diff options
author | Matthew Newhook <matthew@zeroc.com> | 2014-10-20 11:40:05 -0230 |
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committer | Matthew Newhook <matthew@zeroc.com> | 2014-10-20 11:40:05 -0230 |
commit | b51469b41167fb86ae2059a15cf0475c53fdda7b (patch) | |
tree | fc85d6ca2efd89c67e1e4e7438f437c3e08313f4 /java/src/IceInternal/BasicStream.java | |
parent | Fixed (ICE-5695) - IceSSL: misleading exception (diff) | |
download | ice-b51469b41167fb86ae2059a15cf0475c53fdda7b.tar.bz2 ice-b51469b41167fb86ae2059a15cf0475c53fdda7b.tar.xz ice-b51469b41167fb86ae2059a15cf0475c53fdda7b.zip |
Down with ant. From the gradle to the grave.
Diffstat (limited to 'java/src/IceInternal/BasicStream.java')
-rw-r--r-- | java/src/IceInternal/BasicStream.java | 4889 |
1 files changed, 0 insertions, 4889 deletions
diff --git a/java/src/IceInternal/BasicStream.java b/java/src/IceInternal/BasicStream.java deleted file mode 100644 index ac2fcc3fdaa..00000000000 --- a/java/src/IceInternal/BasicStream.java +++ /dev/null @@ -1,4889 +0,0 @@ -// ********************************************************************** -// -// Copyright (c) 2003-2014 ZeroC, Inc. All rights reserved. -// -// This copy of Ice is licensed to you under the terms described in the -// ICE_LICENSE file included in this distribution. -// -// ********************************************************************** - -package IceInternal; - -import java.io.IOException; - -public class BasicStream -{ - public - BasicStream(Instance instance, Ice.EncodingVersion encoding) - { - this(instance, encoding, false); - } - - public - BasicStream(Instance instance, Ice.EncodingVersion encoding, boolean unlimited) - { - this(instance, encoding, unlimited, instance.cacheMessageBuffers() > 1); - } - - public - BasicStream(Instance instance, Ice.EncodingVersion encoding, boolean unlimited, boolean direct) - { - initialize(instance, encoding, unlimited); - _buf = new Buffer(_instance.messageSizeMax(), direct); - } - - public - BasicStream(Instance instance, Ice.EncodingVersion encoding, byte[] data) - { - initialize(instance, encoding, true); - _buf = new Buffer(data); - } - - public - BasicStream(Instance instance, Ice.EncodingVersion encoding, java.nio.ByteBuffer data) - { - initialize(instance, encoding, true); - _buf = new Buffer(data); - } - - private void - initialize(Instance instance, Ice.EncodingVersion encoding, boolean unlimited) - { - _instance = instance; - _closure = null; - _encoding = encoding; - - _readEncapsStack = null; - _writeEncapsStack = null; - _readEncapsCache = null; - _writeEncapsCache = null; - - _sliceObjects = true; - - _messageSizeMax = _instance.messageSizeMax(); // Cached for efficiency. - _unlimited = unlimited; - - _startSeq = -1; - } - - // - // This function allows this object to be reused, rather than - // reallocated. - // - public void - reset() - { - _buf.reset(); - clear(); - } - - public void - clear() - { - if(_readEncapsStack != null) - { - assert(_readEncapsStack.next == null); - _readEncapsStack.next = _readEncapsCache; - _readEncapsCache = _readEncapsStack; - _readEncapsCache.reset(); - _readEncapsStack = null; - } - - if(_writeEncapsStack != null) - { - assert(_writeEncapsStack.next == null); - _writeEncapsStack.next = _writeEncapsCache; - _writeEncapsCache = _writeEncapsStack; - _writeEncapsCache.reset(); - _writeEncapsStack = null; - } - - _startSeq = -1; - - _sliceObjects = true; - } - - public Instance - instance() - { - return _instance; - } - - public Object - closure() - { - return _closure; - } - - public Object - closure(Object p) - { - Object prev = _closure; - _closure = p; - return prev; - } - - public void - swap(BasicStream other) - { - assert(_instance == other._instance); - - Buffer tmpBuf = other._buf; - other._buf = _buf; - _buf = tmpBuf; - - Object tmpClosure = other._closure; - other._closure = _closure; - _closure = tmpClosure; - - // - // Swap is never called for BasicStreams that have encapsulations being read/write. However, - // encapsulations might still be set in case marshalling or un-marshalling failed. We just - // reset the encapsulations if there are still some set. - // - resetEncaps(); - other.resetEncaps(); - - boolean tmpUnlimited = other._unlimited; - other._unlimited = _unlimited; - _unlimited = tmpUnlimited; - - int tmpStartSeq = other._startSeq; - other._startSeq = _startSeq; - _startSeq = tmpStartSeq; - - int tmpMinSeqSize = other._minSeqSize; - other._minSeqSize = _minSeqSize; - _minSeqSize = tmpMinSeqSize; - } - - public void - resetEncaps() - { - _readEncapsStack = null; - _writeEncapsStack = null; - } - - public void - resize(int sz, boolean reading) - { - // - // Check memory limit if stream is not unlimited. - // - if(!_unlimited && sz > _messageSizeMax) - { - Ex.throwMemoryLimitException(sz, _messageSizeMax); - } - - _buf.resize(sz, reading); - _buf.b.position(sz); - } - - public Buffer - prepareWrite() - { - _buf.b.limit(_buf.size()); - _buf.b.position(0); - return _buf; - } - - public Buffer - getBuffer() - { - return _buf; - } - - public void - startWriteObject(Ice.SlicedData data) - { - assert(_writeEncapsStack != null && _writeEncapsStack.encoder != null); - _writeEncapsStack.encoder.startInstance(SliceType.ObjectSlice, data); - } - - public void - endWriteObject() - { - assert(_writeEncapsStack != null && _writeEncapsStack.encoder != null); - _writeEncapsStack.encoder.endInstance(); - } - - public void - startReadObject() - { - assert(_readEncapsStack != null && _readEncapsStack.decoder != null); - _readEncapsStack.decoder.startInstance(SliceType.ObjectSlice); - } - - public Ice.SlicedData - endReadObject(boolean preserve) - { - assert(_readEncapsStack != null && _readEncapsStack.decoder != null); - return _readEncapsStack.decoder.endInstance(preserve); - } - - public void - startWriteException(Ice.SlicedData data) - { - assert(_writeEncapsStack != null && _writeEncapsStack.encoder != null); - _writeEncapsStack.encoder.startInstance(SliceType.ExceptionSlice, data); - } - - public void - endWriteException() - { - assert(_writeEncapsStack != null && _writeEncapsStack.encoder != null); - _writeEncapsStack.encoder.endInstance(); - } - - public void - startReadException() - { - assert(_readEncapsStack != null && _readEncapsStack.decoder != null); - _readEncapsStack.decoder.startInstance(SliceType.ExceptionSlice); - } - - public Ice.SlicedData - endReadException(boolean preserve) - { - assert(_readEncapsStack != null && _readEncapsStack.decoder != null); - return _readEncapsStack.decoder.endInstance(preserve); - } - - public void - startWriteEncaps() - { - // - // If no encoding version is specified, use the current write - // encapsulation encoding version if there's a current write - // encapsulation, otherwise, use the stream encoding version. - // - - if(_writeEncapsStack != null) - { - startWriteEncaps(_writeEncapsStack.encoding, _writeEncapsStack.format); - } - else - { - startWriteEncaps(_encoding, Ice.FormatType.DefaultFormat); - } - } - - public void - startWriteEncaps(Ice.EncodingVersion encoding, Ice.FormatType format) - { - Protocol.checkSupportedEncoding(encoding); - - WriteEncaps curr = _writeEncapsCache; - if(curr != null) - { - curr.reset(); - _writeEncapsCache = _writeEncapsCache.next; - } - else - { - curr = new WriteEncaps(); - } - curr.next = _writeEncapsStack; - _writeEncapsStack = curr; - - _writeEncapsStack.format = format; - _writeEncapsStack.setEncoding(encoding); - _writeEncapsStack.start = _buf.size(); - - writeInt(0); // Placeholder for the encapsulation length. - _writeEncapsStack.encoding.__write(this); - } - - public void - endWriteEncaps() - { - assert(_writeEncapsStack != null); - - // Size includes size and version. - int start = _writeEncapsStack.start; - int sz = _buf.size() - start; - _buf.b.putInt(start, sz); - - WriteEncaps curr = _writeEncapsStack; - _writeEncapsStack = curr.next; - curr.next = _writeEncapsCache; - _writeEncapsCache = curr; - _writeEncapsCache.reset(); - } - - public void - endWriteEncapsChecked() // Used by public stream API. - { - if(_writeEncapsStack == null) - { - throw new Ice.EncapsulationException("not in an encapsulation"); - } - endWriteEncaps(); - } - - public void - writeEmptyEncaps(Ice.EncodingVersion encoding) - { - Protocol.checkSupportedEncoding(encoding); - writeInt(6); // Size - encoding.__write(this); - } - - public void - writeEncaps(byte[] v) - { - if(v.length < 6) - { - throw new Ice.EncapsulationException(); - } - expand(v.length); - _buf.b.put(v); - } - - public Ice.EncodingVersion - getWriteEncoding() - { - return _writeEncapsStack != null ? _writeEncapsStack.encoding : _encoding; - } - - public Ice.EncodingVersion - startReadEncaps() - { - ReadEncaps curr = _readEncapsCache; - if(curr != null) - { - curr.reset(); - _readEncapsCache = _readEncapsCache.next; - } - else - { - curr = new ReadEncaps(); - } - curr.next = _readEncapsStack; - _readEncapsStack = curr; - - _readEncapsStack.start = _buf.b.position(); - - // - // I don't use readSize() and writeSize() for encapsulations, - // because when creating an encapsulation, I must know in advance - // how many bytes the size information will require in the data - // stream. If I use an Int, it is always 4 bytes. For - // readSize()/writeSize(), it could be 1 or 5 bytes. - // - int sz = readInt(); - if(sz < 6) - { - throw new Ice.UnmarshalOutOfBoundsException(); - } - if(sz - 4 > _buf.b.remaining()) - { - throw new Ice.UnmarshalOutOfBoundsException(); - } - _readEncapsStack.sz = sz; - - Ice.EncodingVersion encoding = new Ice.EncodingVersion(); - encoding.__read(this); - Protocol.checkSupportedEncoding(encoding); // Make sure the encoding is supported. - _readEncapsStack.setEncoding(encoding); - - return encoding; - } - - public void - endReadEncaps() - { - assert(_readEncapsStack != null); - - if(!_readEncapsStack.encoding_1_0) - { - skipOpts(); - if(_buf.b.position() != _readEncapsStack.start + _readEncapsStack.sz) - { - throw new Ice.EncapsulationException(); - } - } - else if(_buf.b.position() != _readEncapsStack.start + _readEncapsStack.sz) - { - if(_buf.b.position() + 1 != _readEncapsStack.start + _readEncapsStack.sz) - { - throw new Ice.EncapsulationException(); - } - - // - // Ice version < 3.3 had a bug where user exceptions with - // class members could be encoded with a trailing byte - // when dispatched with AMD. So we tolerate an extra byte - // in the encapsulation. - // - try - { - _buf.b.get(); - } - catch(java.nio.BufferUnderflowException ex) - { - throw new Ice.UnmarshalOutOfBoundsException(); - } - } - - ReadEncaps curr = _readEncapsStack; - _readEncapsStack = curr.next; - curr.next = _readEncapsCache; - _readEncapsCache = curr; - _readEncapsCache.reset(); - } - - public void - skipEmptyEncaps(Ice.EncodingVersion encoding) - { - int sz = readInt(); - if(sz != 6) - { - throw new Ice.EncapsulationException(); - } - - final int pos = _buf.b.position(); - if(pos + 2 > _buf.size()) - { - throw new Ice.UnmarshalOutOfBoundsException(); - } - - if(encoding != null) - { - encoding.__read(this); - } - else - { - _buf.b.position(pos + 2); - } - } - - public void - endReadEncapsChecked() // Used by public stream API. - { - if(_readEncapsStack == null) - { - throw new Ice.EncapsulationException("not in an encapsulation"); - } - endReadEncaps(); - } - - public byte[] - readEncaps(Ice.EncodingVersion encoding) - { - int sz = readInt(); - if(sz < 6) - { - throw new Ice.UnmarshalOutOfBoundsException(); - } - - if(sz - 4 > _buf.b.remaining()) - { - throw new Ice.UnmarshalOutOfBoundsException(); - } - - if(encoding != null) - { - encoding.__read(this); - _buf.b.position(_buf.b.position() - 6); - } - else - { - _buf.b.position(_buf.b.position() - 4); - } - - byte[] v = new byte[sz]; - try - { - _buf.b.get(v); - return v; - } - catch(java.nio.BufferUnderflowException ex) - { - throw new Ice.UnmarshalOutOfBoundsException(); - } - } - - public Ice.EncodingVersion - getReadEncoding() - { - return _readEncapsStack != null ? _readEncapsStack.encoding : _encoding; - } - - public int - getReadEncapsSize() - { - assert(_readEncapsStack != null); - return _readEncapsStack.sz - 6; - } - - public Ice.EncodingVersion - skipEncaps() - { - int sz = readInt(); - if(sz < 6) - { - throw new Ice.UnmarshalOutOfBoundsException(); - } - Ice.EncodingVersion encoding = new Ice.EncodingVersion(); - encoding.__read(this); - try - { - _buf.b.position(_buf.b.position() + sz - 6); - } - catch(IllegalArgumentException ex) - { - throw new Ice.UnmarshalOutOfBoundsException(); - } - return encoding; - } - - public void - startWriteSlice(String typeId, int compactId, boolean last) - { - assert(_writeEncapsStack != null && _writeEncapsStack.encoder != null); - _writeEncapsStack.encoder.startSlice(typeId, compactId, last); - } - - public void - endWriteSlice() - { - assert(_writeEncapsStack != null && _writeEncapsStack.encoder != null); - _writeEncapsStack.encoder.endSlice(); - } - - public String - startReadSlice() // Returns type ID of next slice - { - assert(_readEncapsStack != null && _readEncapsStack.decoder != null); - return _readEncapsStack.decoder.startSlice(); - } - - public void - endReadSlice() - { - assert(_readEncapsStack != null && _readEncapsStack.decoder != null); - _readEncapsStack.decoder.endSlice(); - } - - public void - skipSlice() - { - assert(_readEncapsStack != null && _readEncapsStack.decoder != null); - _readEncapsStack.decoder.skipSlice(); - } - - public void - readPendingObjects() - { - if(_readEncapsStack != null && _readEncapsStack.decoder != null) - { - _readEncapsStack.decoder.readPendingObjects(); - } - else if(_readEncapsStack != null ? _readEncapsStack.encoding_1_0 : _encoding.equals(Ice.Util.Encoding_1_0)) - { - // - // If using the 1.0 encoding and no objects were read, we - // still read an empty sequence of pending objects if - // requested (i.e.: if this is called). - // - // This is required by the 1.0 encoding, even if no objects - // are written we do marshal an empty sequence if marshaled - // data types use classes. - // - skipSize(); - } - } - - public void - writePendingObjects() - { - if(_writeEncapsStack != null && _writeEncapsStack.encoder != null) - { - _writeEncapsStack.encoder.writePendingObjects(); - } - else if(_writeEncapsStack != null ? _writeEncapsStack.encoding_1_0 : _encoding.equals(Ice.Util.Encoding_1_0)) - { - // - // If using the 1.0 encoding and no objects were written, we - // still write an empty sequence for pending objects if - // requested (i.e.: if this is called). - // - // This is required by the 1.0 encoding, even if no objects - // are written we do marshal an empty sequence if marshaled - // data types use classes. - // - writeSize(0); - } - } - - public void - writeSize(int v) - { - if(v > 254) - { - expand(5); - _buf.b.put((byte)-1); - _buf.b.putInt(v); - } - else - { - expand(1); - _buf.b.put((byte)v); - } - } - - public int - readSize() - { - try - { - byte b = _buf.b.get(); - if(b == -1) - { - int v = _buf.b.getInt(); - if(v < 0) - { - throw new Ice.UnmarshalOutOfBoundsException(); - } - return v; - } - else - { - return b < 0 ? b + 256 : b; - } - } - catch(java.nio.BufferUnderflowException ex) - { - throw new Ice.UnmarshalOutOfBoundsException(); - } - } - - public int - readAndCheckSeqSize(int minSize) - { - int sz = readSize(); - - if(sz == 0) - { - return sz; - } - - // - // The _startSeq variable points to the start of the sequence for which - // we expect to read at least _minSeqSize bytes from the stream. - // - // If not initialized or if we already read more data than _minSeqSize, - // we reset _startSeq and _minSeqSize for this sequence (possibly a - // top-level sequence or enclosed sequence it doesn't really matter). - // - // Otherwise, we are reading an enclosed sequence and we have to bump - // _minSeqSize by the minimum size that this sequence will require on - // the stream. - // - // The goal of this check is to ensure that when we start un-marshalling - // a new sequence, we check the minimal size of this new sequence against - // the estimated remaining buffer size. This estimatation is based on - // the minimum size of the enclosing sequences, it's _minSeqSize. - // - if(_startSeq == -1 || _buf.b.position() > (_startSeq + _minSeqSize)) - { - _startSeq = _buf.b.position(); - _minSeqSize = sz * minSize; - } - else - { - _minSeqSize += sz * minSize; - } - - // - // If there isn't enough data to read on the stream for the sequence (and - // possibly enclosed sequences), something is wrong with the marshalled - // data: it's claiming having more data that what is possible to read. - // - if(_startSeq + _minSeqSize > _buf.size()) - { - throw new Ice.UnmarshalOutOfBoundsException(); - } - - return sz; - } - - public int - startSize() - { - int pos = _buf.b.position(); - writeInt(0); // Placeholder for 32-bit size - return pos; - } - - public void - endSize(int pos) - { - assert(pos >= 0); - rewriteInt(_buf.b.position() - pos - 4, pos); - } - - public void - writeBlob(byte[] v) - { - if(v == null) - { - return; - } - expand(v.length); - _buf.b.put(v); - } - - public void - writeBlob(byte[] v, int off, int len) - { - if(v == null) - { - return; - } - expand(len); - _buf.b.put(v, off, len); - } - - public byte[] - readBlob(int sz) - { - if(_buf.b.remaining() < sz) - { - throw new Ice.UnmarshalOutOfBoundsException(); - } - byte[] v = new byte[sz]; - try - { - _buf.b.get(v); - return v; - } - catch(java.nio.BufferUnderflowException ex) - { - throw new Ice.UnmarshalOutOfBoundsException(); - } - } - - // Read/write format and tag for optionals - public boolean - writeOpt(int tag, Ice.OptionalFormat format) - { - assert(_writeEncapsStack != null); - if(_writeEncapsStack.encoder != null) - { - return _writeEncapsStack.encoder.writeOpt(tag, format); - } - else - { - return writeOptImpl(tag, format); - } - } - - public boolean - readOpt(int tag, Ice.OptionalFormat expectedFormat) - { - assert(_readEncapsStack != null); - if(_readEncapsStack.decoder != null) - { - return _readEncapsStack.decoder.readOpt(tag, expectedFormat); - } - else - { - return readOptImpl(tag, expectedFormat); - } - } - - public void - writeByte(byte v) - { - expand(1); - _buf.b.put(v); - } - - public void - writeByte(int tag, Ice.ByteOptional v) - { - if(v != null && v.isSet()) - { - writeByte(tag, v.get()); - } - } - - public void - writeByte(int tag, byte v) - { - if(writeOpt(tag, Ice.OptionalFormat.F1)) - { - writeByte(v); - } - } - - public void - rewriteByte(byte v, int dest) - { - _buf.b.put(dest, v); - } - - public void - writeByteSeq(byte[] v) - { - if(v == null) - { - writeSize(0); - } - else - { - writeSize(v.length); - expand(v.length); - _buf.b.put(v); - } - } - - public void - writeByteSeq(int tag, Ice.Optional<byte[]> v) - { - if(v != null && v.isSet()) - { - writeByteSeq(tag, v.get()); - } - } - - public void - writeByteSeq(int tag, byte[] v) - { - if(writeOpt(tag, Ice.OptionalFormat.VSize)) - { - writeByteSeq(v); - } - } - - public void - writeByteBuffer(java.nio.ByteBuffer v) - { - if(v == null || v.remaining() == 0) - { - writeSize(0); - } - else - { - writeSize(v.remaining()); - expand(v.remaining()); - _buf.b.put(v); - } - } - - public void - writeSerializable(java.io.Serializable o) - { - if(o == null) - { - writeSize(0); - return; - } - try - { - OutputStreamWrapper w = new OutputStreamWrapper(this); - java.io.ObjectOutputStream out = new java.io.ObjectOutputStream(w); - out.writeObject(o); - out.close(); - w.close(); - } - catch(java.lang.Exception ex) - { - throw new Ice.MarshalException("cannot serialize object: " + ex); - } - } - - public byte - readByte() - { - try - { - return _buf.b.get(); - } - catch(java.nio.BufferUnderflowException ex) - { - throw new Ice.UnmarshalOutOfBoundsException(); - } - } - - public void - readByte(int tag, Ice.ByteOptional v) - { - if(readOpt(tag, Ice.OptionalFormat.F1)) - { - v.set(readByte()); - } - else - { - v.clear(); - } - } - - public byte[] - readByteSeq() - { - try - { - final int sz = readAndCheckSeqSize(1); - byte[] v = new byte[sz]; - _buf.b.get(v); - return v; - } - catch(java.nio.BufferUnderflowException ex) - { - throw new Ice.UnmarshalOutOfBoundsException(); - } - } - - public void - readByteSeq(int tag, Ice.Optional<byte[]> v) - { - if(readOpt(tag, Ice.OptionalFormat.VSize)) - { - v.set(readByteSeq()); - } - else - { - v.clear(); - } - } - - public java.nio.ByteBuffer - readByteBuffer() - { - try - { - final int sz = readAndCheckSeqSize(1); - java.nio.ByteBuffer v = _buf.b.slice(); - v.limit(sz); - _buf.b.position(_buf.b.position() + sz); - return v.asReadOnlyBuffer(); - } - catch(java.nio.BufferUnderflowException ex) - { - throw new Ice.UnmarshalOutOfBoundsException(); - } - } - - public java.io.Serializable - readSerializable() - { - int sz = readAndCheckSeqSize(1); - if (sz == 0) - { - return null; - } - ObjectInputStream in = null; - try - { - InputStreamWrapper w = new InputStreamWrapper(sz, this); - in = new ObjectInputStream(_instance, w); - return (java.io.Serializable)in.readObject(); - } - catch(java.lang.Exception ex) - { - throw new Ice.MarshalException("cannot deserialize object", ex); - } - finally - { - if(in != null) - { - try - { - in.close(); - } - catch (IOException ex) - { - throw new Ice.MarshalException("cannot deserialize object", ex); - } - } - } - } - - public void - writeBool(boolean v) - { - expand(1); - _buf.b.put(v ? (byte)1 : (byte)0); - } - - public void - writeBool(int tag, Ice.BooleanOptional v) - { - if(v != null && v.isSet()) - { - writeBool(tag, v.get()); - } - } - - public void - writeBool(int tag, boolean v) - { - if(writeOpt(tag, Ice.OptionalFormat.F1)) - { - writeBool(v); - } - } - - public void - rewriteBool(boolean v, int dest) - { - _buf.b.put(dest, v ? (byte)1 : (byte)0); - } - - public void - writeBoolSeq(boolean[] v) - { - if(v == null) - { - writeSize(0); - } - else - { - writeSize(v.length); - expand(v.length); - for(boolean b : v) - { - _buf.b.put(b ? (byte)1 : (byte)0); - } - } - } - - public void - writeBoolSeq(int tag, Ice.Optional<boolean[]> v) - { - if(v != null && v.isSet()) - { - writeBoolSeq(tag, v.get()); - } - } - - public void - writeBoolSeq(int tag, boolean[] v) - { - if(writeOpt(tag, Ice.OptionalFormat.VSize)) - { - writeBoolSeq(v); - } - } - - public boolean - readBool() - { - try - { - return _buf.b.get() == 1; - } - catch(java.nio.BufferUnderflowException ex) - { - throw new Ice.UnmarshalOutOfBoundsException(); - } - } - - public void - readBool(int tag, Ice.BooleanOptional v) - { - if(readOpt(tag, Ice.OptionalFormat.F1)) - { - v.set(readBool()); - } - else - { - v.clear(); - } - } - - public boolean[] - readBoolSeq() - { - try - { - final int sz = readAndCheckSeqSize(1); - boolean[] v = new boolean[sz]; - for(int i = 0; i < sz; i++) - { - v[i] = _buf.b.get() == 1; - } - return v; - } - catch(java.nio.BufferUnderflowException ex) - { - throw new Ice.UnmarshalOutOfBoundsException(); - } - } - - public void - readBoolSeq(int tag, Ice.Optional<boolean[]> v) - { - if(readOpt(tag, Ice.OptionalFormat.VSize)) - { - v.set(readBoolSeq()); - } - else - { - v.clear(); - } - } - - public void - writeShort(short v) - { - expand(2); - _buf.b.putShort(v); - } - - public void - writeShort(int tag, Ice.ShortOptional v) - { - if(v != null && v.isSet()) - { - writeShort(tag, v.get()); - } - } - - public void - writeShort(int tag, short v) - { - if(writeOpt(tag, Ice.OptionalFormat.F2)) - { - writeShort(v); - } - } - - public void - writeShortSeq(short[] v) - { - if(v == null) - { - writeSize(0); - } - else - { - writeSize(v.length); - expand(v.length * 2); - java.nio.ShortBuffer shortBuf = _buf.b.asShortBuffer(); - shortBuf.put(v); - _buf.b.position(_buf.b.position() + v.length * 2); - } - } - - public void - writeShortSeq(int tag, Ice.Optional<short[]> v) - { - if(v != null && v.isSet()) - { - writeShortSeq(tag, v.get()); - } - } - - public void - writeShortSeq(int tag, short[] v) - { - if(writeOpt(tag, Ice.OptionalFormat.VSize)) - { - writeSize(v == null || v.length == 0 ? 1 : v.length * 2 + (v.length > 254 ? 5 : 1)); - writeShortSeq(v); - } - } - - public void - writeShortBuffer(java.nio.ShortBuffer v) - { - if(v == null || v.remaining() == 0) - { - writeSize(0); - } - else - { - int sz = v.remaining(); - writeSize(sz); - expand(sz * 2); - - java.nio.ShortBuffer shortBuf = _buf.b.asShortBuffer(); - shortBuf.put(v); - _buf.b.position(_buf.b.position() + sz * 2); - } - } - - public short - readShort() - { - try - { - return _buf.b.getShort(); - } - catch(java.nio.BufferUnderflowException ex) - { - throw new Ice.UnmarshalOutOfBoundsException(); - } - } - - public void - readShort(int tag, Ice.ShortOptional v) - { - if(readOpt(tag, Ice.OptionalFormat.F2)) - { - v.set(readShort()); - } - else - { - v.clear(); - } - } - - public short[] - readShortSeq() - { - try - { - final int sz = readAndCheckSeqSize(2); - short[] v = new short[sz]; - java.nio.ShortBuffer shortBuf = _buf.b.asShortBuffer(); - shortBuf.get(v); - _buf.b.position(_buf.b.position() + sz * 2); - return v; - } - catch(java.nio.BufferUnderflowException ex) - { - throw new Ice.UnmarshalOutOfBoundsException(); - } - } - - public void - readShortSeq(int tag, Ice.Optional<short[]> v) - { - if(readOpt(tag, Ice.OptionalFormat.VSize)) - { - skipSize(); - v.set(readShortSeq()); - } - else - { - v.clear(); - } - } - - public java.nio.ShortBuffer - readShortBuffer() - { - try - { - final int sz = readAndCheckSeqSize(2); - java.nio.ShortBuffer shortBuf = _buf.b.asShortBuffer(); - java.nio.ShortBuffer v = shortBuf.slice(); - v.limit(sz); - _buf.b.position(_buf.b.position() + sz * 2); - return v.asReadOnlyBuffer(); - } - catch(java.nio.BufferUnderflowException ex) - { - throw new Ice.UnmarshalOutOfBoundsException(); - } - } - - public void - writeInt(int v) - { - expand(4); - _buf.b.putInt(v); - } - - public void - writeInt(int tag, Ice.IntOptional v) - { - if(v != null && v.isSet()) - { - writeInt(tag, v.get()); - } - } - - public void - writeInt(int tag, int v) - { - if(writeOpt(tag, Ice.OptionalFormat.F4)) - { - writeInt(v); - } - } - - public void - rewriteInt(int v, int dest) - { - _buf.b.putInt(dest, v); - } - - public void - writeIntSeq(int[] v) - { - if(v == null) - { - writeSize(0); - } - else - { - writeSize(v.length); - expand(v.length * 4); - java.nio.IntBuffer intBuf = _buf.b.asIntBuffer(); - intBuf.put(v); - _buf.b.position(_buf.b.position() + v.length * 4); - } - } - - public void - writeIntSeq(int tag, Ice.Optional<int[]> v) - { - if(v != null && v.isSet()) - { - writeIntSeq(tag, v.get()); - } - } - - public void - writeIntSeq(int tag, int[] v) - { - if(writeOpt(tag, Ice.OptionalFormat.VSize)) - { - writeSize(v == null || v.length == 0 ? 1 : v.length * 4 + (v.length > 254 ? 5 : 1)); - writeIntSeq(v); - } - } - - public void - writeIntBuffer(java.nio.IntBuffer v) - { - if(v == null || v.remaining() == 0) - { - writeSize(0); - } - else - { - int sz = v.remaining(); - writeSize(sz); - expand(sz * 4); - - java.nio.IntBuffer intBuf = _buf.b.asIntBuffer(); - intBuf.put(v); - _buf.b.position(_buf.b.position() + sz * 4); - } - } - - public int - readInt() - { - try - { - return _buf.b.getInt(); - } - catch(java.nio.BufferUnderflowException ex) - { - throw new Ice.UnmarshalOutOfBoundsException(); - } - } - - public void - readInt(int tag, Ice.IntOptional v) - { - if(readOpt(tag, Ice.OptionalFormat.F4)) - { - v.set(readInt()); - } - else - { - v.clear(); - } - } - - public int[] - readIntSeq() - { - try - { - final int sz = readAndCheckSeqSize(4); - int[] v = new int[sz]; - java.nio.IntBuffer intBuf = _buf.b.asIntBuffer(); - intBuf.get(v); - _buf.b.position(_buf.b.position() + sz * 4); - return v; - } - catch(java.nio.BufferUnderflowException ex) - { - throw new Ice.UnmarshalOutOfBoundsException(); - } - } - - public void - readIntSeq(int tag, Ice.Optional<int[]> v) - { - if(readOpt(tag, Ice.OptionalFormat.VSize)) - { - skipSize(); - v.set(readIntSeq()); - } - else - { - v.clear(); - } - } - - public java.nio.IntBuffer - readIntBuffer() - { - try - { - final int sz = readAndCheckSeqSize(4); - java.nio.IntBuffer intBuf = _buf.b.asIntBuffer(); - java.nio.IntBuffer v = intBuf.slice(); - v.limit(sz); - _buf.b.position(_buf.b.position() + sz * 4); - return v.asReadOnlyBuffer(); - } - catch(java.nio.BufferUnderflowException ex) - { - throw new Ice.UnmarshalOutOfBoundsException(); - } - } - - public void - writeLong(long v) - { - expand(8); - _buf.b.putLong(v); - } - - public void - writeLong(int tag, Ice.LongOptional v) - { - if(v != null && v.isSet()) - { - writeLong(tag, v.get()); - } - } - - public void - writeLong(int tag, long v) - { - if(writeOpt(tag, Ice.OptionalFormat.F8)) - { - writeLong(v); - } - } - - public void - writeLongSeq(long[] v) - { - if(v == null) - { - writeSize(0); - } - else - { - writeSize(v.length); - expand(v.length * 8); - java.nio.LongBuffer longBuf = _buf.b.asLongBuffer(); - longBuf.put(v); - _buf.b.position(_buf.b.position() + v.length * 8); - } - } - - public void - writeLongSeq(int tag, Ice.Optional<long[]> v) - { - if(v != null && v.isSet()) - { - writeLongSeq(tag, v.get()); - } - } - - public void - writeLongSeq(int tag, long[] v) - { - if(writeOpt(tag, Ice.OptionalFormat.VSize)) - { - writeSize(v == null || v.length == 0 ? 1 : v.length * 8 + (v.length > 254 ? 5 : 1)); - writeLongSeq(v); - } - } - - public void - writeLongBuffer(java.nio.LongBuffer v) - { - if(v == null || v.remaining() == 0) - { - writeSize(0); - } - else - { - int sz = v.remaining(); - writeSize(sz); - expand(sz * 8); - - java.nio.LongBuffer longBuf = _buf.b.asLongBuffer(); - longBuf.put(v); - _buf.b.position(_buf.b.position() + sz * 8); - } - } - - public long - readLong() - { - try - { - return _buf.b.getLong(); - } - catch(java.nio.BufferUnderflowException ex) - { - throw new Ice.UnmarshalOutOfBoundsException(); - } - } - - public void - readLong(int tag, Ice.LongOptional v) - { - if(readOpt(tag, Ice.OptionalFormat.F8)) - { - v.set(readLong()); - } - else - { - v.clear(); - } - } - - public long[] - readLongSeq() - { - try - { - final int sz = readAndCheckSeqSize(8); - long[] v = new long[sz]; - java.nio.LongBuffer longBuf = _buf.b.asLongBuffer(); - longBuf.get(v); - _buf.b.position(_buf.b.position() + sz * 8); - return v; - } - catch(java.nio.BufferUnderflowException ex) - { - throw new Ice.UnmarshalOutOfBoundsException(); - } - } - - public void - readLongSeq(int tag, Ice.Optional<long[]> v) - { - if(readOpt(tag, Ice.OptionalFormat.VSize)) - { - skipSize(); - v.set(readLongSeq()); - } - else - { - v.clear(); - } - } - - public java.nio.LongBuffer - readLongBuffer() - { - try - { - final int sz = readAndCheckSeqSize(8); - java.nio.LongBuffer longBuf = _buf.b.asLongBuffer(); - java.nio.LongBuffer v = longBuf.slice(); - v.limit(sz); - _buf.b.position(_buf.b.position() + sz * 8); - return v.asReadOnlyBuffer(); - } - catch(java.nio.BufferUnderflowException ex) - { - throw new Ice.UnmarshalOutOfBoundsException(); - } - } - - public void - writeFloat(float v) - { - expand(4); - _buf.b.putFloat(v); - } - - public void - writeFloat(int tag, Ice.FloatOptional v) - { - if(v != null && v.isSet()) - { - writeFloat(tag, v.get()); - } - } - - public void - writeFloat(int tag, float v) - { - if(writeOpt(tag, Ice.OptionalFormat.F4)) - { - writeFloat(v); - } - } - - public void - writeFloatSeq(float[] v) - { - if(v == null) - { - writeSize(0); - } - else - { - writeSize(v.length); - expand(v.length * 4); - java.nio.FloatBuffer floatBuf = _buf.b.asFloatBuffer(); - floatBuf.put(v); - _buf.b.position(_buf.b.position() + v.length * 4); - } - } - - public void - writeFloatSeq(int tag, Ice.Optional<float[]> v) - { - if(v != null && v.isSet()) - { - writeFloatSeq(tag, v.get()); - } - } - - public void - writeFloatSeq(int tag, float[] v) - { - if(writeOpt(tag, Ice.OptionalFormat.VSize)) - { - writeSize(v == null || v.length == 0 ? 1 : v.length * 4 + (v.length > 254 ? 5 : 1)); - writeFloatSeq(v); - } - } - - public void - writeFloatBuffer(java.nio.FloatBuffer v) - { - if(v == null || v.remaining() == 0) - { - writeSize(0); - } - else - { - int sz = v.remaining(); - writeSize(sz); - expand(sz * 4); - - java.nio.FloatBuffer floatBuf = _buf.b.asFloatBuffer(); - floatBuf.put(v); - _buf.b.position(_buf.b.position() + sz * 4); - } - } - - public float - readFloat() - { - try - { - return _buf.b.getFloat(); - } - catch(java.nio.BufferUnderflowException ex) - { - throw new Ice.UnmarshalOutOfBoundsException(); - } - } - - public void - readFloat(int tag, Ice.FloatOptional v) - { - if(readOpt(tag, Ice.OptionalFormat.F4)) - { - v.set(readFloat()); - } - else - { - v.clear(); - } - } - - public float[] - readFloatSeq() - { - try - { - final int sz = readAndCheckSeqSize(4); - float[] v = new float[sz]; - java.nio.FloatBuffer floatBuf = _buf.b.asFloatBuffer(); - floatBuf.get(v); - _buf.b.position(_buf.b.position() + sz * 4); - return v; - } - catch(java.nio.BufferUnderflowException ex) - { - throw new Ice.UnmarshalOutOfBoundsException(); - } - } - - public void - readFloatSeq(int tag, Ice.Optional<float[]> v) - { - if(readOpt(tag, Ice.OptionalFormat.VSize)) - { - skipSize(); - v.set(readFloatSeq()); - } - else - { - v.clear(); - } - } - - public java.nio.FloatBuffer - readFloatBuffer() - { - try - { - final int sz = readAndCheckSeqSize(4); - java.nio.FloatBuffer floatBuf = _buf.b.asFloatBuffer(); - java.nio.FloatBuffer v = floatBuf.slice(); - v.limit(sz); - _buf.b.position(_buf.b.position() + sz * 4); - return v.asReadOnlyBuffer(); - } - catch(java.nio.BufferUnderflowException ex) - { - throw new Ice.UnmarshalOutOfBoundsException(); - } - } - - public void - writeDouble(double v) - { - expand(8); - _buf.b.putDouble(v); - } - - public void - writeDouble(int tag, Ice.DoubleOptional v) - { - if(v != null && v.isSet()) - { - writeDouble(tag, v.get()); - } - } - - public void - writeDouble(int tag, double v) - { - if(writeOpt(tag, Ice.OptionalFormat.F8)) - { - writeDouble(v); - } - } - - public void - writeDoubleSeq(double[] v) - { - if(v == null) - { - writeSize(0); - } - else - { - writeSize(v.length); - expand(v.length * 8); - java.nio.DoubleBuffer doubleBuf = _buf.b.asDoubleBuffer(); - doubleBuf.put(v); - _buf.b.position(_buf.b.position() + v.length * 8); - } - } - - public void - writeDoubleSeq(int tag, Ice.Optional<double[]> v) - { - if(v != null && v.isSet()) - { - writeDoubleSeq(tag, v.get()); - } - } - - public void - writeDoubleSeq(int tag, double[] v) - { - if(writeOpt(tag, Ice.OptionalFormat.VSize)) - { - writeSize(v == null || v.length == 0 ? 1 : v.length * 8 + (v.length > 254 ? 5 : 1)); - writeDoubleSeq(v); - } - } - - public void - writeDoubleBuffer(java.nio.DoubleBuffer v) - { - if(v == null || v.remaining() == 0) - { - writeSize(0); - } - else - { - int sz = v.remaining(); - writeSize(sz); - expand(sz * 8); - - java.nio.DoubleBuffer doubleBuf = _buf.b.asDoubleBuffer(); - doubleBuf.put(v); - _buf.b.position(_buf.b.position() + sz * 8); - } - } - - public double - readDouble() - { - try - { - return _buf.b.getDouble(); - } - catch(java.nio.BufferUnderflowException ex) - { - throw new Ice.UnmarshalOutOfBoundsException(); - } - } - - public void - readDouble(int tag, Ice.DoubleOptional v) - { - if(readOpt(tag, Ice.OptionalFormat.F8)) - { - v.set(readDouble()); - } - else - { - v.clear(); - } - } - - public double[] - readDoubleSeq() - { - try - { - final int sz = readAndCheckSeqSize(8); - double[] v = new double[sz]; - java.nio.DoubleBuffer doubleBuf = _buf.b.asDoubleBuffer(); - doubleBuf.get(v); - _buf.b.position(_buf.b.position() + sz * 8); - return v; - } - catch(java.nio.BufferUnderflowException ex) - { - throw new Ice.UnmarshalOutOfBoundsException(); - } - } - - public void - readDoubleSeq(int tag, Ice.Optional<double[]> v) - { - if(readOpt(tag, Ice.OptionalFormat.VSize)) - { - skipSize(); - v.set(readDoubleSeq()); - } - else - { - v.clear(); - } - } - - public java.nio.DoubleBuffer - readDoubleBuffer() - { - try - { - final int sz = readAndCheckSeqSize(8); - java.nio.DoubleBuffer doubleBuf = _buf.b.asDoubleBuffer(); - java.nio.DoubleBuffer v = doubleBuf.slice(); - v.limit(sz); - _buf.b.position(_buf.b.position() + sz * 8); - return v.asReadOnlyBuffer(); - } - catch(java.nio.BufferUnderflowException ex) - { - throw new Ice.UnmarshalOutOfBoundsException(); - } - } - - final static java.nio.charset.Charset _utf8 = java.nio.charset.Charset.forName("UTF8"); - private java.nio.charset.CharsetEncoder _charEncoder = null; - - public void - writeString(String v) - { - if(v == null) - { - writeSize(0); - } - else - { - final int len = v.length(); - if(len > 0) - { - if(_stringBytes == null || len > _stringBytes.length) - { - _stringBytes = new byte[len]; - } - if(_stringChars == null || len > _stringChars.length) - { - _stringChars = new char[len]; - } - // - // If the string contains only 7-bit characters, it's more efficient - // to perform the conversion to UTF-8 manually. - // - v.getChars(0, len, _stringChars, 0); - for(int i = 0; i < len; ++i) - { - if(_stringChars[i] > (char)127) - { - // - // Found a multibyte character. - // - if(_charEncoder == null) - { - _charEncoder = _utf8.newEncoder(); - } - java.nio.ByteBuffer b = null; - try - { - b = _charEncoder.encode(java.nio.CharBuffer.wrap(_stringChars, 0, len)); - } - catch(java.nio.charset.CharacterCodingException ex) - { - throw new Ice.MarshalException(ex); - } - writeSize(b.limit()); - expand(b.limit()); - _buf.b.put(b); - return; - } - _stringBytes[i] = (byte)_stringChars[i]; - } - writeSize(len); - expand(len); - _buf.b.put(_stringBytes, 0, len); - } - else - { - writeSize(0); - } - } - } - - public void - writeString(int tag, Ice.Optional<String> v) - { - if(v != null && v.isSet()) - { - writeString(tag, v.get()); - } - } - - public void - writeString(int tag, String v) - { - if(writeOpt(tag, Ice.OptionalFormat.VSize)) - { - writeString(v); - } - } - - public void - writeStringSeq(String[] v) - { - if(v == null) - { - writeSize(0); - } - else - { - writeSize(v.length); - for(String e : v) - { - writeString(e); - } - } - } - - public void - writeStringSeq(int tag, Ice.Optional<String[]> v) - { - if(v != null && v.isSet()) - { - writeStringSeq(tag, v.get()); - } - } - - public void - writeStringSeq(int tag, String[] v) - { - if(writeOpt(tag, Ice.OptionalFormat.FSize)) - { - int pos = startSize(); - writeStringSeq(v); - endSize(pos); - } - } - - public String - readString() - { - final int len = readSize(); - - if(len == 0) - { - return ""; - } - else - { - // - // Check the buffer has enough bytes to read. - // - if(_buf.b.remaining() < len) - { - throw new Ice.UnmarshalOutOfBoundsException(); - } - - try - { - // - // We reuse the _stringBytes array to avoid creating - // excessive garbage. - // - if(_stringBytes == null || len > _stringBytes.length) - { - _stringBytes = new byte[len]; - } - if(_stringChars == null || len > _stringChars.length) - { - _stringChars = new char[len]; - } - _buf.b.get(_stringBytes, 0, len); - - // - // It's more efficient to construct a string using a - // character array instead of a byte array, because - // byte arrays require conversion. - // - for(int i = 0; i < len; i++) - { - if(_stringBytes[i] < 0) - { - // - // Multi-byte character found - we must use - // conversion. - // - // TODO: If the string contains garbage bytes - // that won't correctly decode as UTF, the - // behavior of this constructor is - // undefined. It would be better to explicitly - // decode using - // java.nio.charset.CharsetDecoder and to - // throw MarshalException if the string won't - // decode. - // - return new String(_stringBytes, 0, len, "UTF8"); - } - else - { - _stringChars[i] = (char)_stringBytes[i]; - } - } - return new String(_stringChars, 0, len); - } - catch(java.io.UnsupportedEncodingException ex) - { - assert(false); - return ""; - } - catch(java.nio.BufferUnderflowException ex) - { - throw new Ice.UnmarshalOutOfBoundsException(); - } - } - } - - public void - readString(int tag, Ice.Optional<String> v) - { - if(readOpt(tag, Ice.OptionalFormat.VSize)) - { - v.set(readString()); - } - else - { - v.clear(); - } - } - - public String[] - readStringSeq() - { - final int sz = readAndCheckSeqSize(1); - String[] v = new String[sz]; - for(int i = 0; i < sz; i++) - { - v[i] = readString(); - } - return v; - } - - public void - readStringSeq(int tag, Ice.Optional<String[]> v) - { - if(readOpt(tag, Ice.OptionalFormat.FSize)) - { - skip(4); - v.set(readStringSeq()); - } - else - { - v.clear(); - } - } - - public void - writeProxy(Ice.ObjectPrx v) - { - _instance.proxyFactory().proxyToStream(v, this); - } - - public void - writeProxy(int tag, Ice.Optional<Ice.ObjectPrx> v) - { - if(v != null && v.isSet()) - { - writeProxy(tag, v.get()); - } - } - - public void - writeProxy(int tag, Ice.ObjectPrx v) - { - if(writeOpt(tag, Ice.OptionalFormat.FSize)) - { - int pos = startSize(); - writeProxy(v); - endSize(pos); - } - } - - public Ice.ObjectPrx - readProxy() - { - return _instance.proxyFactory().streamToProxy(this); - } - - public void - readProxy(int tag, Ice.Optional<Ice.ObjectPrx> v) - { - if(readOpt(tag, Ice.OptionalFormat.FSize)) - { - skip(4); - v.set(readProxy()); - } - else - { - v.clear(); - } - } - - public void - writeEnum(int v, int maxValue) - { - if(isWriteEncoding_1_0()) - { - if(maxValue < 127) - { - writeByte((byte)v); - } - else if(maxValue < 32767) - { - writeShort((short)v); - } - else - { - writeInt(v); - } - } - else - { - writeSize(v); - } - } - - public int - readEnum(int maxValue) - { - if(getReadEncoding().equals(Ice.Util.Encoding_1_0)) - { - if(maxValue < 127) - { - return readByte(); - } - else if(maxValue < 32767) - { - return readShort(); - } - else - { - return readInt(); - } - } - else - { - return readSize(); - } - } - - public void - writeObject(Ice.Object v) - { - initWriteEncaps(); - _writeEncapsStack.encoder.writeObject(v); - } - - public <T extends Ice.Object> void - writeObject(int tag, Ice.Optional<T> v) - { - if(v != null && v.isSet()) - { - writeObject(tag, v.get()); - } - } - - public void - writeObject(int tag, Ice.Object v) - { - if(writeOpt(tag, Ice.OptionalFormat.Class)) - { - writeObject(v); - } - } - - public void - readObject(Patcher patcher) - { - initReadEncaps(); - _readEncapsStack.decoder.readObject(patcher); - } - - public void - readObject(int tag, Ice.Optional<Ice.Object> v) - { - if(readOpt(tag, Ice.OptionalFormat.Class)) - { - Ice.OptionalObject opt = new Ice.OptionalObject(v, Ice.Object.class, Ice.ObjectImpl.ice_staticId()); - readObject(opt); - } - else - { - v.clear(); - } - } - - public void - writeUserException(Ice.UserException e) - { - initWriteEncaps(); - _writeEncapsStack.encoder.writeUserException(e); - } - - public void - throwException(UserExceptionFactory factory) - throws Ice.UserException - { - initReadEncaps(); - _readEncapsStack.decoder.throwException(factory); - } - - public void - sliceObjects(boolean b) - { - _sliceObjects = b; - } - - public boolean - readOptImpl(int readTag, Ice.OptionalFormat expectedFormat) - { - if(isReadEncoding_1_0()) - { - return false; // Optional members aren't supported with the 1.0 encoding. - } - - while(true) - { - if(_buf.b.position() >= _readEncapsStack.start + _readEncapsStack.sz) - { - return false; // End of encapsulation also indicates end of optionals. - } - - final byte b = readByte(); - final int v = b < 0 ? b + 256 : b; - if(v == OPTIONAL_END_MARKER) - { - _buf.b.position(_buf.b.position() - 1); // Rewind. - return false; - } - - Ice.OptionalFormat format = Ice.OptionalFormat.valueOf(v & 0x07); // First 3 bits. - int tag = v >> 3; - if(tag == 30) - { - tag = readSize(); - } - - if(tag > readTag) - { - int offset = tag < 30 ? 1 : (tag < 255 ? 2 : 6); // Rewind - _buf.b.position(_buf.b.position() - offset); - return false; // No optional data members with the requested tag. - } - else if(tag < readTag) - { - skipOpt(format); // Skip optional data members - } - else - { - if(format != expectedFormat) - { - throw new Ice.MarshalException("invalid optional data member `" + tag + "': unexpected format"); - } - return true; - } - } - } - - public boolean - writeOptImpl(int tag, Ice.OptionalFormat format) - { - if(isWriteEncoding_1_0()) - { - return false; // Optional members aren't supported with the 1.0 encoding. - } - - int v = format.value(); - if(tag < 30) - { - v |= tag << 3; - writeByte((byte)v); - } - else - { - v |= 0x0F0; // tag = 30 - writeByte((byte)v); - writeSize(tag); - } - return true; - } - - public void - skipOpt(Ice.OptionalFormat format) - { - switch(format) - { - case F1: - { - skip(1); - break; - } - case F2: - { - skip(2); - break; - } - case F4: - { - skip(4); - break; - } - case F8: - { - skip(8); - break; - } - case Size: - { - skipSize(); - break; - } - case VSize: - { - skip(readSize()); - break; - } - case FSize: - { - skip(readInt()); - break; - } - case Class: - { - readObject(null); - break; - } - } - } - - public void - skipOpts() - { - // - // Skip remaining un-read optional members. - // - while(true) - { - if(_buf.b.position() >= _readEncapsStack.start + _readEncapsStack.sz) - { - return; // End of encapsulation also indicates end of optionals. - } - - final byte b = readByte(); - final int v = b < 0 ? b + 256 : b; - if(v == OPTIONAL_END_MARKER) - { - return; - } - - Ice.OptionalFormat format = Ice.OptionalFormat.valueOf(v & 0x07); // Read first 3 bits. - if((v >> 3) == 30) - { - skipSize(); - } - skipOpt(format); - } - } - - public void - skip(int size) - { - if(size > _buf.b.remaining()) - { - throw new Ice.UnmarshalOutOfBoundsException(); - } - _buf.b.position(_buf.b.position() + size); - } - - public void - skipSize() - { - byte b = readByte(); - if(b == -1) - { - skip(4); - } - } - - public int - pos() - { - return _buf.b.position(); - } - - public void - pos(int n) - { - _buf.b.position(n); - } - - public int - size() - { - return _buf.size(); - } - - public boolean - isEmpty() - { - return _buf.empty(); - } - - private static class BufferedOutputStream extends java.io.OutputStream - { - BufferedOutputStream(byte[] data) - { - _data = data; - } - - @Override - public void - close() - throws java.io.IOException - { - } - - @Override - public void - flush() - throws java.io.IOException - { - } - - @Override - public void - write(byte[] b) - throws java.io.IOException - { - assert(_data.length - _pos >= b.length); - System.arraycopy(b, 0, _data, _pos, b.length); - _pos += b.length; - } - - @Override - public void - write(byte[] b, int off, int len) - throws java.io.IOException - { - assert(_data.length - _pos >= len); - System.arraycopy(b, off, _data, _pos, len); - _pos += len; - } - - @Override - public void - write(int b) - throws java.io.IOException - { - assert(_data.length - _pos >= 1); - _data[_pos] = (byte)b; - ++_pos; - } - - int - pos() - { - return _pos; - } - - private byte[] _data; - private int _pos; - } - - public BasicStream - compress(int headerSize, int compressionLevel) - { - assert(compressible()); - - int uncompressedLen = size() - headerSize; - int compressedLen = (int)(uncompressedLen * 1.01 + 600); - byte[] compressed = new byte[compressedLen]; - - byte[] data = null; - int offset = 0; - try - { - // - // If the ByteBuffer is backed by an array then we can avoid - // an extra copy by using the array directly. - // - data = _buf.b.array(); - offset = _buf.b.arrayOffset(); - } - catch(Exception ex) - { - // - // Otherwise, allocate an array to hold a copy of the uncompressed data. - // - data = new byte[size()]; - pos(0); - _buf.b.get(data); - } - - try - { - // - // Compress the data using the class org.apache.tools.bzip2.CBZip2OutputStream. - // Its constructor requires an OutputStream argument, therefore we pass the - // compressed BasicStream in an OutputStream wrapper. - // - BufferedOutputStream bos = new BufferedOutputStream(compressed); - // - // For interoperability with the bzip2 C library, we insert the magic bytes - // 'B', 'Z' before invoking the Java implementation. - // - bos.write('B'); - bos.write('Z'); - java.lang.Object[] args = new java.lang.Object[]{ bos, Integer.valueOf(compressionLevel) }; - java.io.OutputStream os = (java.io.OutputStream)_bzOutputStreamCtor.newInstance(args); - os.write(data, offset + headerSize, uncompressedLen); - os.close(); - compressedLen = bos.pos(); - } - catch(Exception ex) - { - throw new Ice.CompressionException("bzip2 compression failure", ex); - } - - // - // Don't bother if the compressed data is larger than the - // uncompressed data. - // - if(compressedLen >= uncompressedLen) - { - return null; - } - - BasicStream cstream = new BasicStream(_instance, _encoding); - cstream.resize(headerSize + 4 + compressedLen, false); - cstream.pos(0); - - // - // Copy the header from the uncompressed stream to the - // compressed one. - // - cstream._buf.b.put(data, offset, headerSize); - - // - // Add the size of the uncompressed stream before the - // message body. - // - cstream.writeInt(size()); - - // - // Add the compressed message body. - // - cstream._buf.b.put(compressed, 0, compressedLen); - - return cstream; - } - - public BasicStream - uncompress(int headerSize) - { - assert(compressible()); - - pos(headerSize); - int uncompressedSize = readInt(); - if(uncompressedSize <= headerSize) - { - throw new Ice.IllegalMessageSizeException(); - } - - int compressedLen = size() - headerSize - 4; - - byte[] compressed = null; - int offset = 0; - try - { - // - // If the ByteBuffer is backed by an array then we can avoid - // an extra copy by using the array directly. - // - compressed = _buf.b.array(); - offset = _buf.b.arrayOffset(); - } - catch(Exception ex) - { - // - // Otherwise, allocate an array to hold a copy of the compressed data. - // - compressed = new byte[size()]; - pos(0); - _buf.b.get(compressed); - } - - BasicStream ucStream = new BasicStream(_instance, _encoding); - ucStream.resize(uncompressedSize, false); - - try - { - // - // Uncompress the data using the class org.apache.tools.bzip2.CBZip2InputStream. - // Its constructor requires an InputStream argument, therefore we pass the - // compressed data in a ByteArrayInputStream. - // - java.io.ByteArrayInputStream bais = - new java.io.ByteArrayInputStream(compressed, offset + headerSize + 4, compressedLen); - // - // For interoperability with the bzip2 C library, we insert the magic bytes - // 'B', 'Z' during compression and therefore must extract them before we - // invoke the Java implementation. - // - byte magicB = (byte)bais.read(); - byte magicZ = (byte)bais.read(); - if(magicB != (byte)'B' || magicZ != (byte)'Z') - { - Ice.CompressionException e = new Ice.CompressionException(); - e.reason = "bzip2 uncompression failure: invalid magic bytes"; - throw e; - } - java.lang.Object[] args = new java.lang.Object[]{ bais }; - java.io.InputStream is = (java.io.InputStream)_bzInputStreamCtor.newInstance(args); - ucStream.pos(headerSize); - byte[] arr = new byte[8 * 1024]; - int n; - while((n = is.read(arr)) != -1) - { - ucStream.writeBlob(arr, 0, n); - } - is.close(); - } - catch(Exception ex) - { - throw new Ice.CompressionException("bzip2 uncompression failure", ex); - } - - // - // Copy the header from the compressed stream to the uncompressed one. - // - ucStream.pos(0); - ucStream._buf.b.put(compressed, offset, headerSize); - - return ucStream; - } - - public void - expand(int n) - { - if(!_unlimited && _buf.b != null && _buf.b.position() + n > _messageSizeMax) - { - Ex.throwMemoryLimitException(_buf.b.position() + n, _messageSizeMax); - } - _buf.expand(n); - } - - private Ice.Object - createObject(String id) - { - Ice.Object obj = null; - - try - { - Class<?> c = findClass(id); - if(c != null) - { - obj = (Ice.Object)c.newInstance(); - } - } - catch(java.lang.Exception ex) - { - throw new Ice.NoObjectFactoryException("no object factory", id, ex); - } - - return obj; - } - - private String - getTypeId(int compactId) - { - String className = "IceCompactId.TypeId_" + Integer.toString(compactId); - Class<?> c = getConcreteClass(className); - if(c == null) - { - for(String pkg : _instance.getPackages()) - { - c = getConcreteClass(pkg + "." + className); - if(c != null) - { - break; - } - } - } - if(c != null) - { - try - { - return (String)c.getField("typeId").get(null); - } - catch(Exception ex) - { - assert(false); - } - } - return ""; - } - - private Ice.UserException - createUserException(String id) - { - Ice.UserException userEx = null; - - try - { - Class<?> c = findClass(id); - if(c != null) - { - userEx = (Ice.UserException)c.newInstance(); - } - } - catch(java.lang.Exception ex) - { - throw new Ice.MarshalException(ex); - } - - return userEx; - } - - private Class<?> - findClass(String id) - throws LinkageError - { - Class<?> c = null; - - // - // To convert a Slice type id into a Java class, we do the following: - // - // 1. Convert the Slice type id into a classname (e.g., ::M::X -> M.X). - // 2. If that fails, extract the top-level module (if any) from the type id - // and check for an Ice.Package property. If found, prepend the property - // value to the classname. - // 3. If that fails, check for an Ice.Default.Package property. If found, - // prepend the property value to the classname. - // - String className = _instance.getClassForType(id); - boolean addClass = false; - if(className == null) - { - className = typeToClass(id); - addClass = true; - } - - c = getConcreteClass(className); - if(c == null) - { - int pos = id.indexOf(':', 2); - if(pos != -1) - { - String topLevelModule = id.substring(2, pos); - String pkg = _instance.initializationData().properties.getProperty("Ice.Package." + topLevelModule); - if(pkg.length() > 0) - { - c = getConcreteClass(pkg + "." + className); - } - } - } - - if(c == null) - { - String pkg = _instance.initializationData().properties.getProperty("Ice.Default.Package"); - if(pkg.length() > 0) - { - c = getConcreteClass(pkg + "." + className); - } - } - - if(c != null && addClass) - { - _instance.addClassForType(id, c.getName()); - } - - return c; - } - - private Class<?> - getConcreteClass(String className) - throws LinkageError - { - Class<?> c = _instance.findClass(className); - - if(c != null) - { - // - // Ensure the class is instantiable. The constants are - // defined in the JVM specification (0x200 = interface, - // 0x400 = abstract). - // - int modifiers = c.getModifiers(); - if((modifiers & 0x200) == 0 && (modifiers & 0x400) == 0) - { - return c; - } - } - - return null; - } - - private static String - fixKwd(String name) - { - // - // Keyword list. *Must* be kept in alphabetical order. Note that checkedCast and uncheckedCast - // are not Java keywords, but are in this list to prevent illegal code being generated if - // someone defines Slice operations with that name. - // - final String[] keywordList = - { - "abstract", "assert", "boolean", "break", "byte", "case", "catch", - "char", "checkedCast", "class", "clone", "const", "continue", "default", "do", - "double", "else", "enum", "equals", "extends", "false", "final", "finalize", - "finally", "float", "for", "getClass", "goto", "hashCode", "if", - "implements", "import", "instanceof", "int", "interface", "long", - "native", "new", "notify", "notifyAll", "null", "package", "private", - "protected", "public", "return", "short", "static", "strictfp", "super", "switch", - "synchronized", "this", "throw", "throws", "toString", "transient", - "true", "try", "uncheckedCast", "void", "volatile", "wait", "while" - }; - boolean found = java.util.Arrays.binarySearch(keywordList, name) >= 0; - return found ? "_" + name : name; - } - - private String - typeToClass(String id) - { - if(!id.startsWith("::")) - { - throw new Ice.MarshalException("expected type id but received `" + id + "'"); - } - - StringBuilder buf = new StringBuilder(id.length()); - - int start = 2; - boolean done = false; - while(!done) - { - int end = id.indexOf(':', start); - String s; - if(end != -1) - { - s = id.substring(start, end); - start = end + 2; - } - else - { - s = id.substring(start); - done = true; - } - if(buf.length() > 0) - { - buf.append('.'); - } - buf.append(fixKwd(s)); - } - - return buf.toString(); - } - - private Instance _instance; - private Buffer _buf; - private Object _closure; - private byte[] _stringBytes; // Reusable array for reading strings. - private char[] _stringChars; // Reusable array for reading strings. - - private enum SliceType { NoSlice, ObjectSlice, ExceptionSlice } - - abstract private static class EncapsDecoder - { - EncapsDecoder(BasicStream stream, boolean sliceObjects, ObjectFactoryManager f) - { - _stream = stream; - _sliceObjects = sliceObjects; - _servantFactoryManager = f; - _typeIdIndex = 0; - _unmarshaledMap = new java.util.TreeMap<Integer, Ice.Object>(); - } - - abstract void readObject(Patcher patcher); - abstract void throwException(UserExceptionFactory factory) - throws Ice.UserException; - - abstract void startInstance(SliceType type); - abstract Ice.SlicedData endInstance(boolean preserve); - abstract String startSlice(); - abstract void endSlice(); - abstract void skipSlice(); - - boolean - readOpt(int tag, Ice.OptionalFormat format) - { - return false; - } - - void - readPendingObjects() - { - } - - protected String - readTypeId(boolean isIndex) - { - if(_typeIdMap == null) // Lazy initialization - { - _typeIdMap = new java.util.TreeMap<Integer, String>(); - } - - if(isIndex) - { - int index = _stream.readSize(); - String typeId = _typeIdMap.get(index); - if(typeId == null) - { - throw new Ice.UnmarshalOutOfBoundsException(); - } - return typeId; - } - else - { - String typeId = _stream.readString(); - _typeIdMap.put(++_typeIdIndex, typeId); - return typeId; - } - } - - protected Ice.Object - newInstance(String typeId) - { - // - // Try to find a factory registered for the specific type. - // - Ice.ObjectFactory userFactory = _servantFactoryManager.find(typeId); - Ice.Object v = null; - if(userFactory != null) - { - v = userFactory.create(typeId); - } - - // - // If that fails, invoke the default factory if one has been - // registered. - // - if(v == null) - { - userFactory = _servantFactoryManager.find(""); - if(userFactory != null) - { - v = userFactory.create(typeId); - } - } - - // - // Last chance: try to instantiate the class dynamically. - // - if(v == null) - { - v = _stream.createObject(typeId); - } - - return v; - } - - protected void - addPatchEntry(int index, Patcher patcher) - { - assert(index > 0); - - // - // Check if already un-marshalled the object. If that's the case, - // just patch the object smart pointer and we're done. - // - Ice.Object obj = _unmarshaledMap.get(index); - if(obj != null) - { - patcher.patch(obj); - return; - } - - if(_patchMap == null) // Lazy initialization - { - _patchMap = new java.util.TreeMap<Integer, java.util.LinkedList<Patcher> >(); - } - - // - // Add patch entry if the object isn't un-marshalled yet, - // the smart pointer will be patched when the instance is - // un-marshalled. - // - java.util.LinkedList<Patcher> l = _patchMap.get(index); - if(l == null) - { - // - // We have no outstanding instances to be patched for this - // index, so make a new entry in the patch map. - // - l = new java.util.LinkedList<Patcher>(); - _patchMap.put(index, l); - } - - // - // Append a patch entry for this instance. - // - l.add(patcher); - } - - protected void - unmarshal(int index, Ice.Object v) - { - // - // Add the object to the map of un-marshalled objects, this must - // be done before reading the objects (for circular references). - // - _unmarshaledMap.put(index, v); - - // - // Read the object. - // - v.__read(_stream); - - if(_patchMap != null) - { - // - // Patch all instances now that the object is un-marshalled. - // - java.util.LinkedList<Patcher> l = _patchMap.get(index); - if(l != null) - { - assert(l.size() > 0); - - // - // Patch all pointers that refer to the instance. - // - for(Patcher p : l) - { - p.patch(v); - } - - // - // Clear out the patch map for that index -- there is nothing left - // to patch for that index for the time being. - // - _patchMap.remove(index); - } - } - - if((_patchMap == null || _patchMap.isEmpty()) && _objectList == null) - { - try - { - v.ice_postUnmarshal(); - } - catch(java.lang.Exception ex) - { - String s = "exception raised by ice_postUnmarshal:\n" + Ex.toString(ex); - _stream.instance().initializationData().logger.warning(s); - } - } - else - { - if(_objectList == null) // Lazy initialization - { - _objectList = new java.util.ArrayList<Ice.Object>(); - } - _objectList.add(v); - - if(_patchMap == null || _patchMap.isEmpty()) - { - // - // Iterate over the object list and invoke ice_postUnmarshal on - // each object. We must do this after all objects have been - // unmarshaled in order to ensure that any object data members - // have been properly patched. - // - for(Ice.Object p : _objectList) - { - try - { - p.ice_postUnmarshal(); - } - catch(java.lang.Exception ex) - { - String s = "exception raised by ice_postUnmarshal:\n" + Ex.toString(ex); - _stream.instance().initializationData().logger.warning(s); - } - } - _objectList.clear(); - } - } - } - - protected final BasicStream _stream; - protected final boolean _sliceObjects; - protected ObjectFactoryManager _servantFactoryManager; - - // Encapsulation attributes for object un-marshalling - protected java.util.TreeMap<Integer, java.util.LinkedList<Patcher> > _patchMap; - - // Encapsulation attributes for object un-marshalling - private java.util.TreeMap<Integer, Ice.Object> _unmarshaledMap; - private java.util.TreeMap<Integer, String> _typeIdMap; - private int _typeIdIndex; - private java.util.List<Ice.Object> _objectList; - } - - private static final class EncapsDecoder10 extends EncapsDecoder - { - EncapsDecoder10(BasicStream stream, boolean sliceObjects, ObjectFactoryManager f) - { - super(stream, sliceObjects, f); - _sliceType = SliceType.NoSlice; - } - - @Override - void readObject(Patcher patcher) - { - assert(patcher != null); - - // - // Object references are encoded as a negative integer in 1.0. - // - int index = _stream.readInt(); - if(index > 0) - { - throw new Ice.MarshalException("invalid object id"); - } - index = -index; - - if(index == 0) - { - patcher.patch(null); - } - else - { - addPatchEntry(index, patcher); - } - } - - @Override - void throwException(UserExceptionFactory factory) - throws Ice.UserException - { - assert(_sliceType == SliceType.NoSlice); - - // - // User exception with the 1.0 encoding start with a boolean flag - // that indicates whether or not the exception has classes. - // - // This allows reading the pending objects even if some part of - // the exception was sliced. - // - boolean usesClasses = _stream.readBool(); - - _sliceType = SliceType.ExceptionSlice; - _skipFirstSlice = false; - - // - // Read the first slice header. - // - startSlice(); - final String mostDerivedId = _typeId; - while(true) - { - Ice.UserException userEx = null; - - // - // Use a factory if one was provided. - // - if(factory != null) - { - try - { - factory.createAndThrow(_typeId); - } - catch(Ice.UserException ex) - { - userEx = ex; - } - } - - if(userEx == null) - { - userEx = _stream.createUserException(_typeId); - } - - // - // We found the exception. - // - if(userEx != null) - { - userEx.__read(_stream); - if(usesClasses) - { - readPendingObjects(); - } - throw userEx; - - // Never reached. - } - - // - // Slice off what we don't understand. - // - skipSlice(); - try - { - startSlice(); - } - catch(Ice.UnmarshalOutOfBoundsException ex) - { - // - // An oversight in the 1.0 encoding means there is no marker to indicate - // the last slice of an exception. As a result, we just try to read the - // next type ID, which raises UnmarshalOutOfBoundsException when the - // input buffer underflows. - // - // Set the reason member to a more helpful message. - // - ex.reason = "unknown exception type `" + mostDerivedId + "'"; - throw ex; - } - } - } - - @Override - void startInstance(SliceType sliceType) - { - assert(_sliceType == sliceType); - _skipFirstSlice = true; - } - - @Override - Ice.SlicedData endInstance(boolean preserve) - { - // - // Read the Ice::Object slice. - // - if(_sliceType == SliceType.ObjectSlice) - { - startSlice(); - int sz = _stream.readSize(); // For compatibility with the old AFM. - if(sz != 0) - { - throw new Ice.MarshalException("invalid Object slice"); - } - endSlice(); - } - - _sliceType = SliceType.NoSlice; - return null; - } - - @Override - String startSlice() - { - // - // If first slice, don't read the header, it was already read in - // readInstance or throwException to find the factory. - // - if(_skipFirstSlice) - { - _skipFirstSlice = false; - return _typeId; - } - - // - // For objects, first read the type ID boolean which indicates - // whether or not the type ID is encoded as a string or as an - // index. For exceptions, the type ID is always encoded as a - // string. - // - if(_sliceType == SliceType.ObjectSlice) // For exceptions, the type ID is always encoded as a string - { - boolean isIndex = _stream.readBool(); - _typeId = readTypeId(isIndex); - } - else - { - _typeId = _stream.readString(); - } - - _sliceSize = _stream.readInt(); - if(_sliceSize < 4) - { - throw new Ice.UnmarshalOutOfBoundsException(); - } - - return _typeId; - } - - @Override - void endSlice() - { - } - - @Override - void skipSlice() - { - if(_stream.instance().traceLevels().slicing > 0) - { - Ice.Logger logger = _stream.instance().initializationData().logger; - if(_sliceType == SliceType.ObjectSlice) - { - TraceUtil.traceSlicing("object", _typeId, _stream.instance().traceLevels().slicingCat, logger); - } - else - { - TraceUtil.traceSlicing("exception", _typeId, _stream.instance().traceLevels().slicingCat, logger); - } - } - - assert(_sliceSize >= 4); - _stream.skip(_sliceSize - 4); - } - - @Override - void readPendingObjects() - { - int num; - do - { - num = _stream.readSize(); - for(int k = num; k > 0; --k) - { - readInstance(); - } - } - while(num > 0); - - if(_patchMap != null && !_patchMap.isEmpty()) - { - // - // If any entries remain in the patch map, the sender has sent an index for an object, but failed - // to supply the object. - // - throw new Ice.MarshalException("index for class received, but no instance"); - } - } - - private void readInstance() - { - int index = _stream.readInt(); - - if(index <= 0) - { - throw new Ice.MarshalException("invalid object id"); - } - - _sliceType = SliceType.ObjectSlice; - _skipFirstSlice = false; - - // - // Read the first slice header. - // - startSlice(); - final String mostDerivedId = _typeId; - Ice.Object v = null; - while(true) - { - // - // For the 1.0 encoding, the type ID for the base Object class - // marks the last slice. - // - if(_typeId.equals(Ice.ObjectImpl.ice_staticId())) - { - throw new Ice.NoObjectFactoryException("", mostDerivedId); - } - - v = newInstance(_typeId); - - // - // We found a factory, we get out of this loop. - // - if(v != null) - { - break; - } - - // - // If object slicing is disabled, stop un-marshalling. - // - if(!_sliceObjects) - { - throw new Ice.NoObjectFactoryException("no object factory found and object slicing is disabled", - _typeId); - } - - // - // Slice off what we don't understand. - // - skipSlice(); - startSlice(); // Read next Slice header for next iteration. - } - - // - // Un-marshal the object and add-it to the map of un-marshaled objects. - // - unmarshal(index, v); - } - - // Object/exception attributes - private SliceType _sliceType; - private boolean _skipFirstSlice; - - // Slice attributes - private int _sliceSize; - private String _typeId; - } - - private static class EncapsDecoder11 extends EncapsDecoder - { - EncapsDecoder11(BasicStream stream, boolean sliceObjects, ObjectFactoryManager f) - { - super(stream, sliceObjects, f); - _objectIdIndex = 1; - _current = null; - } - - @Override - void readObject(Patcher patcher) - { - int index = _stream.readSize(); - if(index < 0) - { - throw new Ice.MarshalException("invalid object id"); - } - else if(index == 0) - { - if(patcher != null) - { - patcher.patch(null); - } - } - else if(_current != null && (_current.sliceFlags & FLAG_HAS_INDIRECTION_TABLE) != 0) - { - // - // When reading an object within a slice and there's an - // indirect object table, always read an indirect reference - // that points to an object from the indirect object table - // marshaled at the end of the Slice. - // - // Maintain a list of indirect references. Note that the - // indirect index starts at 1, so we decrement it by one to - // derive an index into the indirection table that we'll read - // at the end of the slice. - // - if(patcher != null) - { - if(_current.indirectPatchList == null) // Lazy initialization - { - _current.indirectPatchList = new java.util.ArrayDeque<IndirectPatchEntry>(); - } - IndirectPatchEntry e = new IndirectPatchEntry(); - e.index = index - 1; - e.patcher = patcher; - _current.indirectPatchList.push(e); - } - } - else - { - readInstance(index, patcher); - } - } - - @Override - void throwException(UserExceptionFactory factory) - throws Ice.UserException - { - assert(_current == null); - - push(SliceType.ExceptionSlice); - - // - // Read the first slice header. - // - startSlice(); - final String mostDerivedId = _current.typeId; - while(true) - { - Ice.UserException userEx = null; - - // - // Use a factory if one was provided. - // - if(factory != null) - { - try - { - factory.createAndThrow(_current.typeId); - } - catch(Ice.UserException ex) - { - userEx = ex; - } - } - - if(userEx == null) - { - userEx = _stream.createUserException(_current.typeId); - } - - // - // We found the exception. - // - if(userEx != null) - { - userEx.__read(_stream); - throw userEx; - - // Never reached. - } - - // - // Slice off what we don't understand. - // - skipSlice(); - - if((_current.sliceFlags & FLAG_IS_LAST_SLICE) != 0) - { - if(mostDerivedId.startsWith("::")) - { - throw new Ice.UnknownUserException(mostDerivedId.substring(2)); - } - else - { - throw new Ice.UnknownUserException(mostDerivedId); - } - } - - startSlice(); - } - } - - @Override - void startInstance(SliceType sliceType) - { - assert(_current.sliceType == sliceType); - _current.skipFirstSlice = true; - } - - @Override - Ice.SlicedData endInstance(boolean preserve) - { - Ice.SlicedData slicedData = null; - if(preserve) - { - slicedData = readSlicedData(); - } - if(_current.slices != null) - { - _current.slices.clear(); - _current.indirectionTables.clear(); - } - _current = _current.previous; - return slicedData; - } - - @Override - String startSlice() - { - // - // If first slice, don't read the header, it was already read in - // readInstance or throwException to find the factory. - // - if(_current.skipFirstSlice) - { - _current.skipFirstSlice = false; - return _current.typeId; - } - - _current.sliceFlags = _stream.readByte(); - - // - // Read the type ID, for object slices the type ID is encoded as a - // string or as an index, for exceptions it's always encoded as a - // string. - // - if(_current.sliceType == SliceType.ObjectSlice) - { - if((_current.sliceFlags & FLAG_HAS_TYPE_ID_COMPACT) == FLAG_HAS_TYPE_ID_COMPACT) // Must be checked 1st! - { - _current.typeId = ""; - _current.compactId = _stream.readSize(); - } - else if((_current.sliceFlags & (FLAG_HAS_TYPE_ID_INDEX | FLAG_HAS_TYPE_ID_STRING)) != 0) - { - _current.typeId = readTypeId((_current.sliceFlags & FLAG_HAS_TYPE_ID_INDEX) != 0); - _current.compactId = -1; - } - else - { - // Only the most derived slice encodes the type ID for the compact format. - _current.typeId = ""; - _current.compactId = -1; - } - } - else - { - _current.typeId = _stream.readString(); - _current.compactId = -1; - } - - // - // Read the slice size if necessary. - // - if((_current.sliceFlags & FLAG_HAS_SLICE_SIZE) != 0) - { - _current.sliceSize = _stream.readInt(); - if(_current.sliceSize < 4) - { - throw new Ice.UnmarshalOutOfBoundsException(); - } - } - else - { - _current.sliceSize = 0; - } - - return _current.typeId; - } - - @Override - void endSlice() - { - if((_current.sliceFlags & FLAG_HAS_OPTIONAL_MEMBERS) != 0) - { - _stream.skipOpts(); - } - - // - // Read the indirection table if one is present and transform the - // indirect patch list into patch entries with direct references. - // - if((_current.sliceFlags & FLAG_HAS_INDIRECTION_TABLE) != 0) - { - // - // The table is written as a sequence<size> to conserve space. - // - int[] indirectionTable = new int[_stream.readAndCheckSeqSize(1)]; - for(int i = 0; i < indirectionTable.length; ++i) - { - indirectionTable[i] = readInstance(_stream.readSize(), null); - } - - // - // Sanity checks. If there are optional members, it's possible - // that not all object references were read if they are from - // unknown optional data members. - // - if(indirectionTable.length == 0) - { - throw new Ice.MarshalException("empty indirection table"); - } - if((_current.indirectPatchList == null || _current.indirectPatchList.isEmpty()) && - (_current.sliceFlags & FLAG_HAS_OPTIONAL_MEMBERS) == 0) - { - throw new Ice.MarshalException("no references to indirection table"); - } - - // - // Convert indirect references into direct references. - // - if(_current.indirectPatchList != null) - { - for(IndirectPatchEntry e : _current.indirectPatchList) - { - assert(e.index >= 0); - if(e.index >= indirectionTable.length) - { - throw new Ice.MarshalException("indirection out of range"); - } - addPatchEntry(indirectionTable[e.index], e.patcher); - } - _current.indirectPatchList.clear(); - } - } - } - - @Override - void skipSlice() - { - if(_stream.instance().traceLevels().slicing > 0) - { - Ice.Logger logger = _stream.instance().initializationData().logger; - String slicingCat = _stream.instance().traceLevels().slicingCat; - if(_current.sliceType == SliceType.ExceptionSlice) - { - TraceUtil.traceSlicing("exception", _current.typeId, slicingCat, logger); - } - else - { - TraceUtil.traceSlicing("object", _current.typeId, slicingCat, logger); - } - } - - int start = _stream.pos(); - - if((_current.sliceFlags & FLAG_HAS_SLICE_SIZE) != 0) - { - assert(_current.sliceSize >= 4); - _stream.skip(_current.sliceSize - 4); - } - else - { - if(_current.sliceType == SliceType.ObjectSlice) - { - throw new Ice.NoObjectFactoryException("no object factory found and compact format prevents " + - "slicing (the sender should use the sliced format instead)", - _current.typeId); - } - else - { - if(_current.typeId.startsWith("::")) - { - throw new Ice.UnknownUserException(_current.typeId.substring(2)); - } - else - { - throw new Ice.UnknownUserException(_current.typeId); - } - } - } - - // - // Preserve this slice. - // - Ice.SliceInfo info = new Ice.SliceInfo(); - info.typeId = _current.typeId; - info.compactId = _current.compactId; - info.hasOptionalMembers = (_current.sliceFlags & FLAG_HAS_OPTIONAL_MEMBERS) != 0; - info.isLastSlice = (_current.sliceFlags & FLAG_IS_LAST_SLICE) != 0; - java.nio.ByteBuffer b = _stream.getBuffer().b; - final int end = b.position(); - int dataEnd = end; - if(info.hasOptionalMembers) - { - // - // Don't include the optional member end marker. It will be re-written by - // endSlice when the sliced data is re-written. - // - --dataEnd; - } - info.bytes = new byte[dataEnd - start]; - b.position(start); - b.get(info.bytes); - b.position(end); - - if(_current.slices == null) // Lazy initialization - { - _current.slices = new java.util.ArrayList<Ice.SliceInfo>(); - _current.indirectionTables = new java.util.ArrayList<int[]>(); - } - - // - // Read the indirect object table. We read the instances or their - // IDs if the instance is a reference to an already un-marhsaled - // object. - // - // The SliceInfo object sequence is initialized only if - // readSlicedData is called. - // - - if((_current.sliceFlags & FLAG_HAS_INDIRECTION_TABLE) != 0) - { - int[] indirectionTable = new int[_stream.readAndCheckSeqSize(1)]; - for(int i = 0; i < indirectionTable.length; ++i) - { - indirectionTable[i] = readInstance(_stream.readSize(), null); - } - _current.indirectionTables.add(indirectionTable); - } - else - { - _current.indirectionTables.add(null); - } - - _current.slices.add(info); - } - - @Override - boolean readOpt(int readTag, Ice.OptionalFormat expectedFormat) - { - if(_current == null) - { - return _stream.readOptImpl(readTag, expectedFormat); - } - else if((_current.sliceFlags & FLAG_HAS_OPTIONAL_MEMBERS) != 0) - { - return _stream.readOptImpl(readTag, expectedFormat); - } - return false; - } - - private int readInstance(int index, Patcher patcher) - { - assert(index > 0); - - if(index > 1) - { - if(patcher != null) - { - addPatchEntry(index, patcher); - } - return index; - } - - push(SliceType.ObjectSlice); - - // - // Get the object ID before we start reading slices. If some - // slices are skiped, the indirect object table are still read and - // might read other objects. - // - index = ++_objectIdIndex; - - // - // Read the first slice header. - // - startSlice(); - final String mostDerivedId = _current.typeId; - Ice.Object v = null; - final Ice.CompactIdResolver compactIdResolver = _stream.instance().initializationData().compactIdResolver; - while(true) - { - if(_current.compactId >= 0) - { - // - // Translate a compact (numeric) type ID into a string type ID. - // - _current.typeId = ""; - if(compactIdResolver != null) - { - try - { - _current.typeId = compactIdResolver.resolve(_current.compactId); - } - catch(Ice.LocalException ex) - { - throw ex; - } - catch(Throwable ex) - { - throw new Ice.MarshalException("exception in CompactIdResolver for ID " + - _current.compactId, ex); - } - } - if(_current.typeId.length() == 0) - { - _current.typeId = _stream.getTypeId(_current.compactId); - } - } - - if(_current.typeId.length() > 0) - { - v = newInstance(_current.typeId); - - // - // We found a factory, we get out of this loop. - // - if(v != null) - { - break; - } - } - - // - // If object slicing is disabled, stop un-marshalling. - // - if(!_sliceObjects) - { - throw new Ice.NoObjectFactoryException("no object factory found and object slicing is disabled", - _current.typeId); - } - - // - // Slice off what we don't understand. - // - skipSlice(); - - // - // If this is the last slice, keep the object as an opaque - // UnknownSlicedData object. - // - if((_current.sliceFlags & FLAG_IS_LAST_SLICE) != 0) - { - // - // Provide a factory with an opportunity to supply the object. - // We pass the "::Ice::Object" ID to indicate that this is the - // last chance to preserve the object. - // - v = newInstance(Ice.ObjectImpl.ice_staticId()); - if(v == null) - { - v = new Ice.UnknownSlicedObject(mostDerivedId); - } - - break; - } - - startSlice(); // Read next Slice header for next iteration. - } - - // - // Un-marshal the object - // - unmarshal(index, v); - - if(_current == null && _patchMap != null && !_patchMap.isEmpty()) - { - // - // If any entries remain in the patch map, the sender has sent an index for an object, but failed - // to supply the object. - // - throw new Ice.MarshalException("index for class received, but no instance"); - } - - if(patcher != null) - { - patcher.patch(v); - } - return index; - } - - private Ice.SlicedData readSlicedData() - { - if(_current.slices == null) // No preserved slices. - { - return null; - } - - // - // The _indirectionTables member holds the indirection table for each slice - // in _slices. - // - assert(_current.slices.size() == _current.indirectionTables.size()); - for(int n = 0; n < _current.slices.size(); ++n) - { - // - // We use the "objects" list in SliceInfo to hold references - // to the target objects. Note that the objects might not have - // been read yet in the case of a circular reference to an - // enclosing object. - // - final int[] table = _current.indirectionTables.get(n); - Ice.SliceInfo info = _current.slices.get(n); - info.objects = new Ice.Object[table != null ? table.length : 0]; - for(int j = 0; j < info.objects.length; ++j) - { - addPatchEntry(table[j], new SequencePatcher(info.objects, Ice.Object.class, - Ice.ObjectImpl.ice_staticId(), j)); - } - } - - Ice.SliceInfo[] arr = new Ice.SliceInfo[_current.slices.size()]; - _current.slices.toArray(arr); - return new Ice.SlicedData(arr); - } - - private void push(SliceType sliceType) - { - if(_current == null) - { - _current = new InstanceData(null); - } - else - { - _current = _current.next == null ? new InstanceData(_current) : _current.next; - } - _current.sliceType = sliceType; - _current.skipFirstSlice = false; - } - - private static final class IndirectPatchEntry - { - int index; - Patcher patcher; - } - - private static final class InstanceData - { - InstanceData(InstanceData previous) - { - if(previous != null) - { - previous.next = this; - } - this.previous = previous; - this.next = null; - } - - // Instance attributes - SliceType sliceType; - boolean skipFirstSlice; - java.util.List<Ice.SliceInfo> slices; // Preserved slices. - java.util.List<int[]> indirectionTables; - - // Slice attributes - byte sliceFlags; - int sliceSize; - String typeId; - int compactId; - java.util.Deque<IndirectPatchEntry> indirectPatchList; - - final InstanceData previous; - InstanceData next; - }; - private InstanceData _current; - - private int _objectIdIndex; // The ID of the next object to un-marshal. - }; - - abstract private static class EncapsEncoder - { - protected EncapsEncoder(BasicStream stream, WriteEncaps encaps) - { - _stream = stream; - _encaps = encaps; - _typeIdIndex = 0; - _marshaledMap = new java.util.IdentityHashMap<Ice.Object, Integer>(); - } - - abstract void writeObject(Ice.Object v); - abstract void writeUserException(Ice.UserException v); - - abstract void startInstance(SliceType type, Ice.SlicedData data); - abstract void endInstance(); - abstract void startSlice(String typeId, int compactId, boolean last); - abstract void endSlice(); - - boolean writeOpt(int tag, Ice.OptionalFormat format) - { - return false; - } - - void writePendingObjects() - { - } - - protected int registerTypeId(String typeId) - { - if(_typeIdMap == null) // Lazy initialization - { - _typeIdMap = new java.util.TreeMap<String, Integer>(); - } - - Integer p = _typeIdMap.get(typeId); - if(p != null) - { - return p; - } - else - { - _typeIdMap.put(typeId, ++_typeIdIndex); - return -1; - } - } - - final protected BasicStream _stream; - final protected WriteEncaps _encaps; - - // Encapsulation attributes for object marshalling. - final protected java.util.IdentityHashMap<Ice.Object, Integer> _marshaledMap; - - // Encapsulation attributes for object marshalling. - private java.util.TreeMap<String, Integer> _typeIdMap; - private int _typeIdIndex; - }; - - private static final class EncapsEncoder10 extends EncapsEncoder - { - EncapsEncoder10(BasicStream stream, WriteEncaps encaps) - { - super(stream, encaps); - _sliceType = SliceType.NoSlice; - _objectIdIndex = 0; - _toBeMarshaledMap = new java.util.IdentityHashMap<Ice.Object, Integer>(); - } - - @Override - void writeObject(Ice.Object v) - { - // - // Object references are encoded as a negative integer in 1.0. - // - if(v != null) - { - _stream.writeInt(-registerObject(v)); - } - else - { - _stream.writeInt(0); - } - } - - @Override - void writeUserException(Ice.UserException v) - { - // - // User exception with the 1.0 encoding start with a boolean - // flag that indicates whether or not the exception uses - // classes. - // - // This allows reading the pending objects even if some part of - // the exception was sliced. - // - boolean usesClasses = v.__usesClasses(); - _stream.writeBool(usesClasses); - v.__write(_stream); - if(usesClasses) - { - writePendingObjects(); - } - } - - @Override - void startInstance(SliceType sliceType, Ice.SlicedData sliceData) - { - _sliceType = sliceType; - } - - @Override - void endInstance() - { - if(_sliceType == SliceType.ObjectSlice) - { - // - // Write the Object slice. - // - startSlice(Ice.ObjectImpl.ice_staticId(), -1, true); - _stream.writeSize(0); // For compatibility with the old AFM. - endSlice(); - } - _sliceType = SliceType.NoSlice; - } - - @Override - void startSlice(String typeId, int compactId, boolean last) - { - // - // For object slices, encode a boolean to indicate how the type ID - // is encoded and the type ID either as a string or index. For - // exception slices, always encode the type ID as a string. - // - if(_sliceType == SliceType.ObjectSlice) - { - int index = registerTypeId(typeId); - if(index < 0) - { - _stream.writeBool(false); - _stream.writeString(typeId); - } - else - { - _stream.writeBool(true); - _stream.writeSize(index); - } - } - else - { - _stream.writeString(typeId); - } - - _stream.writeInt(0); // Placeholder for the slice length. - - _writeSlice = _stream.pos(); - } - - @Override - void endSlice() - { - // - // Write the slice length. - // - final int sz = _stream.pos() - _writeSlice + 4; - _stream.rewriteInt(sz, _writeSlice - 4); - } - - @Override - void writePendingObjects() - { - while(_toBeMarshaledMap.size() > 0) - { - // - // Consider the to be marshalled objects as marshalled now, - // this is necessary to avoid adding again the "to be - // marshalled objects" into _toBeMarshaledMap while writing - // objects. - // - _marshaledMap.putAll(_toBeMarshaledMap); - - java.util.IdentityHashMap<Ice.Object, Integer> savedMap = _toBeMarshaledMap; - _toBeMarshaledMap = new java.util.IdentityHashMap<Ice.Object, Integer>(); - _stream.writeSize(savedMap.size()); - for(java.util.Map.Entry<Ice.Object, Integer> p : savedMap.entrySet()) - { - // - // Ask the instance to marshal itself. Any new class - // instances that are triggered by the classes marshaled - // are added to toBeMarshaledMap. - // - _stream.writeInt(p.getValue().intValue()); - - try - { - p.getKey().ice_preMarshal(); - } - catch(java.lang.Exception ex) - { - String s = "exception raised by ice_preMarshal:\n" + Ex.toString(ex); - _stream.instance().initializationData().logger.warning(s); - } - - p.getKey().__write(_stream); - } - } - _stream.writeSize(0); // Zero marker indicates end of sequence of sequences of instances. - } - - private int registerObject(Ice.Object v) - { - assert(v != null); - - // - // Look for this instance in the to-be-marshaled map. - // - Integer p = _toBeMarshaledMap.get(v); - if(p != null) - { - return p.intValue(); - } - - // - // Didn't find it, try the marshaled map next. - // - p = _marshaledMap.get(v); - if(p != null) - { - return p.intValue(); - } - - // - // We haven't seen this instance previously, create a new - // index, and insert it into the to-be-marshaled map. - // - _toBeMarshaledMap.put(v, ++_objectIdIndex); - return _objectIdIndex; - } - - // Instance attributes - private SliceType _sliceType; - - // Slice attributes - private int _writeSlice; // Position of the slice data members - - // Encapsulation attributes for object marshalling. - private int _objectIdIndex; - private java.util.IdentityHashMap<Ice.Object, Integer> _toBeMarshaledMap; - }; - - private static final class EncapsEncoder11 extends EncapsEncoder - { - EncapsEncoder11(BasicStream stream, WriteEncaps encaps) - { - super(stream, encaps); - _current = null; - _objectIdIndex = 1; - } - - @Override - void writeObject(Ice.Object v) - { - if(v == null) - { - _stream.writeSize(0); - } - else if(_current != null && _encaps.format == Ice.FormatType.SlicedFormat) - { - if(_current.indirectionTable == null) // Lazy initialization - { - _current.indirectionTable = new java.util.ArrayList<Ice.Object>(); - _current.indirectionMap = new java.util.IdentityHashMap<Ice.Object, Integer>(); - } - - // - // If writting an object within a slice and using the sliced - // format, write an index from the object indirection - // table. The indirect object table is encoded at the end of - // each slice and is always read (even if the Slice is - // unknown). - // - Integer index = _current.indirectionMap.get(v); - if(index == null) - { - _current.indirectionTable.add(v); - final int idx = _current.indirectionTable.size(); // Position + 1 (0 is reserved for nil) - _current.indirectionMap.put(v, idx); - _stream.writeSize(idx); - } - else - { - _stream.writeSize(index.intValue()); - } - } - else - { - writeInstance(v); // Write the instance or a reference if already marshaled. - } - } - - @Override - void writeUserException(Ice.UserException v) - { - v.__write(_stream); - } - - @Override - void startInstance(SliceType sliceType, Ice.SlicedData data) - { - if(_current == null) - { - _current = new InstanceData(null); - } - else - { - _current = _current.next == null ? new InstanceData(_current) : _current.next; - } - _current.sliceType = sliceType; - _current.firstSlice = true; - - if(data != null) - { - writeSlicedData(data); - } - } - - @Override - void endInstance() - { - _current = _current.previous; - } - - @Override - void startSlice(String typeId, int compactId, boolean last) - { - assert((_current.indirectionTable == null || _current.indirectionTable.isEmpty()) && - (_current.indirectionMap == null || _current.indirectionMap.isEmpty())); - - _current.sliceFlagsPos = _stream.pos(); - - _current.sliceFlags = (byte)0; - if(_encaps.format == Ice.FormatType.SlicedFormat) - { - _current.sliceFlags |= FLAG_HAS_SLICE_SIZE; // Encode the slice size if using the sliced format. - } - if(last) - { - _current.sliceFlags |= FLAG_IS_LAST_SLICE; // This is the last slice. - } - - _stream.writeByte((byte)0); // Placeholder for the slice flags - - // - // For object slices, encode the flag and the type ID either as a - // string or index. For exception slices, always encode the type - // ID a string. - // - if(_current.sliceType == SliceType.ObjectSlice) - { - // - // Encode the type ID (only in the first slice for the compact - // encoding). - // - if(_encaps.format == Ice.FormatType.SlicedFormat || _current.firstSlice) - { - if(compactId >= 0) - { - _current.sliceFlags |= FLAG_HAS_TYPE_ID_COMPACT; - _stream.writeSize(compactId); - } - else - { - int index = registerTypeId(typeId); - if(index < 0) - { - _current.sliceFlags |= FLAG_HAS_TYPE_ID_STRING; - _stream.writeString(typeId); - } - else - { - _current.sliceFlags |= FLAG_HAS_TYPE_ID_INDEX; - _stream.writeSize(index); - } - } - } - } - else - { - _stream.writeString(typeId); - } - - if((_current.sliceFlags & FLAG_HAS_SLICE_SIZE) != 0) - { - _stream.writeInt(0); // Placeholder for the slice length. - } - - _current.writeSlice = _stream.pos(); - _current.firstSlice = false; - } - - @Override - void endSlice() - { - // - // Write the optional member end marker if some optional members - // were encoded. Note that the optional members are encoded before - // the indirection table and are included in the slice size. - // - if((_current.sliceFlags & FLAG_HAS_OPTIONAL_MEMBERS) != 0) - { - _stream.writeByte((byte)OPTIONAL_END_MARKER); - } - - // - // Write the slice length if necessary. - // - if((_current.sliceFlags & FLAG_HAS_SLICE_SIZE) != 0) - { - final int sz = _stream.pos() - _current.writeSlice + 4; - _stream.rewriteInt(sz, _current.writeSlice - 4); - } - - // - // Only write the indirection table if it contains entries. - // - if(_current.indirectionTable != null && !_current.indirectionTable.isEmpty()) - { - assert(_encaps.format == Ice.FormatType.SlicedFormat); - _current.sliceFlags |= FLAG_HAS_INDIRECTION_TABLE; - - // - // Write the indirection object table. - // - _stream.writeSize(_current.indirectionTable.size()); - for(Ice.Object v : _current.indirectionTable) - { - writeInstance(v); - } - _current.indirectionTable.clear(); - _current.indirectionMap.clear(); - } - - // - // Finally, update the slice flags. - // - _stream.rewriteByte(_current.sliceFlags, _current.sliceFlagsPos); - } - - @Override - boolean writeOpt(int tag, Ice.OptionalFormat format) - { - if(_current == null) - { - return _stream.writeOptImpl(tag, format); - } - else - { - if(_stream.writeOptImpl(tag, format)) - { - _current.sliceFlags |= FLAG_HAS_OPTIONAL_MEMBERS; - return true; - } - else - { - return false; - } - } - } - - private void writeSlicedData(Ice.SlicedData slicedData) - { - assert(slicedData != null); - - // - // We only remarshal preserved slices if we are using the sliced - // format. Otherwise, we ignore the preserved slices, which - // essentially "slices" the object into the most-derived type - // known by the sender. - // - if(_encaps.format != Ice.FormatType.SlicedFormat) - { - return; - } - - for(Ice.SliceInfo info : slicedData.slices) - { - startSlice(info.typeId, info.compactId, info.isLastSlice); - - // - // Write the bytes associated with this slice. - // - _stream.writeBlob(info.bytes); - - if(info.hasOptionalMembers) - { - _current.sliceFlags |= FLAG_HAS_OPTIONAL_MEMBERS; - } - - // - // Make sure to also re-write the object indirection table. - // - if(info.objects != null && info.objects.length > 0) - { - if(_current.indirectionTable == null) // Lazy initialization - { - _current.indirectionTable = new java.util.ArrayList<Ice.Object>(); - _current.indirectionMap = new java.util.IdentityHashMap<Ice.Object, Integer>(); - } - for(Ice.Object o : info.objects) - { - _current.indirectionTable.add(o); - } - } - - endSlice(); - } - } - - private void writeInstance(Ice.Object v) - { - assert(v != null); - - // - // If the instance was already marshaled, just write it's ID. - // - Integer p = _marshaledMap.get(v); - if(p != null) - { - _stream.writeSize(p); - return; - } - - // - // We haven't seen this instance previously, create a new ID, - // insert it into the marshaled map, and write the instance. - // - _marshaledMap.put(v, ++_objectIdIndex); - - try - { - v.ice_preMarshal(); - } - catch(java.lang.Exception ex) - { - String s = "exception raised by ice_preMarshal:\n" + Ex.toString(ex); - _stream.instance().initializationData().logger.warning(s); - } - - _stream.writeSize(1); // Object instance marker. - v.__write(_stream); - } - - private static final class InstanceData - { - InstanceData(InstanceData previous) - { - if(previous != null) - { - previous.next = this; - } - this.previous = previous; - this.next = null; - } - - // Instance attributes - SliceType sliceType; - boolean firstSlice; - - // Slice attributes - byte sliceFlags; - int writeSlice; // Position of the slice data members - int sliceFlagsPos; // Position of the slice flags - java.util.List<Ice.Object> indirectionTable; - java.util.IdentityHashMap<Ice.Object, Integer> indirectionMap; - - final InstanceData previous; - InstanceData next; - }; - private InstanceData _current; - - private int _objectIdIndex; // The ID of the next object to marhsal - }; - - private static final class ReadEncaps - { - void reset() - { - decoder = null; - } - - void setEncoding(Ice.EncodingVersion encoding) - { - this.encoding = encoding; - encoding_1_0 = encoding.equals(Ice.Util.Encoding_1_0); - } - - int start; - int sz; - Ice.EncodingVersion encoding; - boolean encoding_1_0; - - EncapsDecoder decoder; - - ReadEncaps next; - } - - private static final class WriteEncaps - { - void reset() - { - encoder = null; - } - - void setEncoding(Ice.EncodingVersion encoding) - { - this.encoding = encoding; - encoding_1_0 = encoding.equals(Ice.Util.Encoding_1_0); - } - - int start; - Ice.FormatType format = Ice.FormatType.DefaultFormat; - Ice.EncodingVersion encoding; - boolean encoding_1_0; - - EncapsEncoder encoder; - - WriteEncaps next; - } - - // - // The encoding version to use when there's no encapsulation to - // read from or write to. This is for example used to read message - // headers or when the user is using the streaming API with no - // encapsulation. - // - private Ice.EncodingVersion _encoding; - - private boolean isReadEncoding_1_0() - { - return _readEncapsStack != null ? _readEncapsStack.encoding_1_0 : _encoding.equals(Ice.Util.Encoding_1_0); - } - - private boolean isWriteEncoding_1_0() - { - return _writeEncapsStack != null ? _writeEncapsStack.encoding_1_0 : _encoding.equals(Ice.Util.Encoding_1_0); - } - - private ReadEncaps _readEncapsStack; - private WriteEncaps _writeEncapsStack; - private ReadEncaps _readEncapsCache; - private WriteEncaps _writeEncapsCache; - - private void initReadEncaps() - { - if(_readEncapsStack == null) // Lazy initialization - { - _readEncapsStack = _readEncapsCache; - if(_readEncapsStack != null) - { - _readEncapsCache = _readEncapsCache.next; - } - else - { - _readEncapsStack = new ReadEncaps(); - } - _readEncapsStack.setEncoding(_encoding); - _readEncapsStack.sz = _buf.b.limit(); - } - - if(_readEncapsStack.decoder == null) // Lazy initialization. - { - ObjectFactoryManager factoryManager = _instance.servantFactoryManager(); - if(_readEncapsStack.encoding_1_0) - { - _readEncapsStack.decoder = new EncapsDecoder10(this, _sliceObjects, factoryManager); - } - else - { - _readEncapsStack.decoder = new EncapsDecoder11(this, _sliceObjects, factoryManager); - }; - } - } - - private void initWriteEncaps() - { - if(_writeEncapsStack == null) // Lazy initialization - { - _writeEncapsStack = _writeEncapsCache; - if(_writeEncapsStack != null) - { - _writeEncapsCache = _writeEncapsCache.next; - } - else - { - _writeEncapsStack = new WriteEncaps(); - } - _writeEncapsStack.setEncoding(_encoding); - } - - if(_writeEncapsStack.format == Ice.FormatType.DefaultFormat) - { - _writeEncapsStack.format = _instance.defaultsAndOverrides().defaultFormat; - } - - if(_writeEncapsStack.encoder == null) // Lazy initialization. - { - if(_writeEncapsStack.encoding_1_0) - { - _writeEncapsStack.encoder = new EncapsEncoder10(this, _writeEncapsStack); - } - else - { - _writeEncapsStack.encoder = new EncapsEncoder11(this, _writeEncapsStack); - } - } - } - - private boolean _sliceObjects; - - private int _messageSizeMax; - private boolean _unlimited; - - private int _startSeq; - private int _minSeqSize; - - private static final int OPTIONAL_END_MARKER = 0xFF; - - private static final byte FLAG_HAS_TYPE_ID_STRING = (byte)(1<<0); - private static final byte FLAG_HAS_TYPE_ID_INDEX = (byte)(1<<1); - private static final byte FLAG_HAS_TYPE_ID_COMPACT = (byte)(1<<1 | 1<<0); - private static final byte FLAG_HAS_OPTIONAL_MEMBERS = (byte)(1<<2); - private static final byte FLAG_HAS_INDIRECTION_TABLE = (byte)(1<<3); - private static final byte FLAG_HAS_SLICE_SIZE = (byte)(1<<4); - private static final byte FLAG_IS_LAST_SLICE = (byte)(1<<5); - - private static boolean _checkedBZip2 = false; - private static java.lang.reflect.Constructor<?> _bzInputStreamCtor; - private static java.lang.reflect.Constructor<?> _bzOutputStreamCtor; - - public synchronized static boolean - compressible() - { - // - // Use lazy initialization when determining whether support for bzip2 compression - // is available. - // - if(!_checkedBZip2) - { - _checkedBZip2 = true; - try - { - Class<?> cls; - Class<?>[] types = new Class<?>[1]; - cls = IceInternal.Util.findClass("org.apache.tools.bzip2.CBZip2InputStream", null); - if(cls != null) - { - types[0] = java.io.InputStream.class; - _bzInputStreamCtor = cls.getDeclaredConstructor(types); - } - cls = IceInternal.Util.findClass("org.apache.tools.bzip2.CBZip2OutputStream", null); - if(cls != null) - { - types = new Class[2]; - types[0] = java.io.OutputStream.class; - types[1] = Integer.TYPE; - _bzOutputStreamCtor = cls.getDeclaredConstructor(types); - } - } - catch(Exception ex) - { - // Ignore - bzip2 compression not available. - } - } - return _bzInputStreamCtor != null && _bzOutputStreamCtor != null; - } -} |