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// **********************************************************************
//
// Copyright (c) 2003-2009 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.
//
// **********************************************************************
namespace IceInternal
{
using System.Collections;
using System.Diagnostics;
using System.Text.RegularExpressions;
public sealed class EndpointFactoryManager
{
internal EndpointFactoryManager(Instance instance)
{
instance_ = instance;
_factories = new ArrayList();
}
public void add(EndpointFactory factory)
{
lock(this)
{
for(int i = 0; i < _factories.Count; i++)
{
EndpointFactory f = (EndpointFactory)_factories[i];
if(f.type() == factory.type())
{
Debug.Assert(false);
}
}
_factories.Add(factory);
}
}
public EndpointFactory get(short type)
{
lock(this)
{
for(int i = 0; i < _factories.Count; i++)
{
EndpointFactory f = (EndpointFactory)_factories[i];
if(f.type() == type)
{
return f;
}
}
return null;
}
}
public EndpointI create(string str, bool oaEndpoint)
{
lock(this)
{
string s = str.Trim();
if(s.Length == 0)
{
Ice.EndpointParseException e = new Ice.EndpointParseException();
e.str = "value has no non-whitespace characters";
throw e;
}
Regex p = new Regex("([ \t\n\r]+)|$");
Match m = p.Match(s);
Debug.Assert(m.Success);
string protocol = s.Substring(0, m.Index);
if(protocol.Equals("default"))
{
protocol = instance_.defaultsAndOverrides().defaultProtocol;
}
for(int i = 0; i < _factories.Count; i++)
{
EndpointFactory f = (EndpointFactory)_factories[i];
if(f.protocol().Equals(protocol))
{
return f.create(s.Substring(m.Index + m.Length), oaEndpoint);
// Code below left in place for debugging.
/*
EndpointI e = f.create(s.Substring(m.Index + m.Length), oaEndpoint);
BasicStream bs = new BasicStream(instance_, true);
e.streamWrite(bs);
Buffer buf = bs.getBuffer();
buf.b.position(0);
short type = bs.readShort();
EndpointI ue = new IceInternal.OpaqueEndpointI(type, bs);
System.Console.Error.WriteLine("Normal: " + e);
System.Console.Error.WriteLine("Opaque: " + ue);
return e;
*/
}
}
//
// If the stringified endpoint is opaque, create an unknown endpoint,
// then see whether the type matches one of the known endpoints.
//
if(protocol.Equals("opaque"))
{
EndpointI ue = new OpaqueEndpointI(s.Substring(m.Index + m.Length));
for(int i = 0; i < _factories.Count; i++)
{
EndpointFactory f = (EndpointFactory)_factories[i];
if(f.type() == ue.type())
{
//
// Make a temporary stream, write the opaque endpoint data into the stream,
// and ask the factory to read the endpoint data from that stream to create
// the actual endpoint.
//
BasicStream bs = new BasicStream(instance_, true);
ue.streamWrite(bs);
Buffer buf = bs.getBuffer();
buf.b.position(0);
bs.readShort(); // type
return f.read(bs);
}
}
return ue; // Endpoint is opaque, but we don't have a factory for its type.
}
return null;
}
}
public EndpointI read(BasicStream s)
{
lock(this)
{
short type = s.readShort();
for(int i = 0; i < _factories.Count; i++)
{
EndpointFactory f = (EndpointFactory)_factories[i];
if(f.type() == type)
{
return f.read(s);
}
}
return new OpaqueEndpointI(type, s);
}
}
internal void destroy()
{
for(int i = 0; i < _factories.Count; i++)
{
EndpointFactory f = (EndpointFactory)_factories[i];
f.destroy();
}
_factories.Clear();
}
private readonly Instance instance_;
private readonly ArrayList _factories;
}
}
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