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// **********************************************************************
//
// Copyright (c) 2003-2007 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 Ice;
//
// The base class for all ImplicitContext implementations
//
public abstract class ImplicitContextI extends LocalObjectImpl implements ImplicitContext
{
public static ImplicitContextI create(String kind)
{
if(kind.equals("None") || kind.equals(""))
{
return null;
}
else if(kind.equals("Shared"))
{
return new Shared();
}
else if(kind.equals("SharedWithoutLocking"))
{
return new SharedWithoutLocking();
}
else if(kind.equals("PerThread"))
{
return new PerThread();
}
else
{
throw new Ice.InitializationException(
"'" + kind + "' is not a valid value for Ice.ImplicitContext");
}
}
abstract public void write(java.util.Map prxContext, IceInternal.BasicStream os);
abstract java.util.Map combine(java.util.Map prxContext);
static class SharedWithoutLocking extends ImplicitContextI
{
public java.util.Map getContext()
{
return (java.util.Map)_context.clone();
}
public void setContext(java.util.Map context)
{
_context.clear();
if(context != null && !context.isEmpty())
{
_context.putAll(context);
}
}
public String get(String key)
{
if(key == null)
{
key = "";
}
String val = (String)_context.get(key);
if(val == null)
{
throw new Ice.NotSetException(key);
}
else
{
return val;
}
}
public String getWithDefault(String key, String dflt)
{
if(key == null)
{
key = "";
}
if(dflt == null)
{
dflt = "";
}
String val = (String)_context.get(key);
return val == null ? dflt : val;
}
public void set(String key, String value)
{
if(key == null)
{
key = "";
}
if(value == null)
{
value = "";
}
_context.put(key, value);
}
public void remove(String key)
{
if(key == null)
{
key = "";
}
if(_context.remove(key) == null)
{
throw new Ice.NotSetException(key);
}
}
public void write(java.util.Map prxContext, IceInternal.BasicStream os)
{
if(prxContext.isEmpty())
{
ContextHelper.write(os, _context);
}
else if(_context.isEmpty())
{
ContextHelper.write(os, prxContext);
}
else
{
ContextHelper.write(os, combine(prxContext));
}
}
java.util.Map combine(java.util.Map prxContext)
{
java.util.Map combined = (java.util.Map)_context.clone();
combined.putAll(prxContext);
return combined;
}
protected java.util.HashMap _context = new java.util.HashMap();
}
static class Shared extends SharedWithoutLocking
{
public synchronized java.util.Map getContext()
{
return super.getContext();
}
public synchronized void setContext(java.util.Map context)
{
super.setContext(context);
}
public synchronized String get(String key)
{
return super.get(key);
}
public synchronized String getWithDefault(String key, String dflt)
{
return super.getWithDefault(key, dflt);
}
public synchronized void set(String key, String value)
{
super.set(key, value);
}
public synchronized void remove(String key)
{
super.remove(key);
}
public void write(java.util.Map prxContext, IceInternal.BasicStream os)
{
if(prxContext.isEmpty())
{
synchronized(this)
{
ContextHelper.write(os, _context);
}
}
else
{
java.util.Map ctx = null;
synchronized(this)
{
ctx = _context.isEmpty() ? prxContext : super.combine(prxContext);
}
ContextHelper.write(os, ctx);
}
}
synchronized java.util.Map combine(java.util.Map prxContext)
{
return super.combine(prxContext);
}
}
static class PerThread extends ImplicitContextI
{
public java.util.Map getContext()
{
//
// Note that _map is a *synchronized* map
//
java.util.HashMap threadContext = (java.util.HashMap)_map.get(Thread.currentThread());
if(threadContext == null)
{
threadContext = new java.util.HashMap();
}
return threadContext;
}
public void setContext(java.util.Map context)
{
if(context == null || context.isEmpty())
{
_map.remove(Thread.currentThread());
}
else
{
java.util.HashMap threadContext = new java.util.HashMap(context);
_map.put(Thread.currentThread(), threadContext);
}
}
public String get(String key)
{
if(key == null)
{
key = "";
}
java.util.HashMap threadContext = (java.util.HashMap)_map.get(Thread.currentThread());
if(threadContext == null)
{
throw new Ice.NotSetException(key);
}
String val = (String)threadContext.get(key);
if(val == null)
{
throw new Ice.NotSetException(key);
}
return val;
}
public String getWithDefault(String key, String dflt)
{
if(key == null)
{
key = "";
}
if(dflt == null)
{
dflt = "";
}
java.util.HashMap threadContext = (java.util.HashMap)_map.get(Thread.currentThread());
if(threadContext == null)
{
return dflt;
}
String val = (String)threadContext.get(key);
if(val == null)
{
return dflt;
}
return val;
}
public void set(String key, String value)
{
if(key == null)
{
key = "";
}
if(value == null)
{
value = "";
}
Thread currentThread = Thread.currentThread();
java.util.HashMap threadContext = (java.util.HashMap)_map.get(currentThread);
if(threadContext == null)
{
threadContext = new java.util.HashMap();
_map.put(currentThread, threadContext);
}
threadContext.put(key, value);
}
public void remove(String key)
{
if(key == null)
{
key = "";
}
java.util.HashMap threadContext = (java.util.HashMap)_map.get(Thread.currentThread());
if(threadContext == null)
{
throw new Ice.NotSetException(key);
}
if(threadContext.remove(key) == null)
{
throw new Ice.NotSetException(key);
}
}
public void write(java.util.Map prxContext, IceInternal.BasicStream os)
{
java.util.HashMap threadContext = (java.util.HashMap)_map.get(Thread.currentThread());
if(threadContext == null || threadContext.isEmpty())
{
ContextHelper.write(os, prxContext);
}
else if(prxContext.isEmpty())
{
ContextHelper.write(os, threadContext);
}
else
{
java.util.Map combined = (java.util.Map)threadContext.clone();
combined.putAll(prxContext);
ContextHelper.write(os, combined);
}
}
java.util.Map combine(java.util.Map prxContext)
{
java.util.HashMap threadContext = (java.util.HashMap)_map.get(Thread.currentThread());
java.util.Map combined = (java.util.Map)threadContext.clone();
combined.putAll(prxContext);
return combined;
}
//
// Synchronized map Thread -> Context
//
private java.util.Map _map = java.util.Collections.synchronizedMap(new java.util.HashMap());
}
}
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