001: /*
002: * Copyright (c) 1998-2008 Caucho Technology -- all rights reserved
003: *
004: * This file is part of Resin(R) Open Source
005: *
006: * Each copy or derived work must preserve the copyright notice and this
007: * notice unmodified.
008: *
009: * Resin Open Source is free software; you can redistribute it and/or modify
010: * it under the terms of the GNU General Public License as published by
011: * the Free Software Foundation; either version 2 of the License, or
012: * (at your option) any later version.
013: *
014: * Resin Open Source is distributed in the hope that it will be useful,
015: * but WITHOUT ANY WARRANTY; without even the implied warranty of
016: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
017: * of NON-INFRINGEMENT. See the GNU General Public License for more
018: * details.
019: *
020: * You should have received a copy of the GNU General Public License
021: * along with Resin Open Source; if not, write to the
022: * Free SoftwareFoundation, Inc.
023: * 59 Temple Place, Suite 330
024: * Boston, MA 02111-1307 USA
025: *
026: * @author Scott Ferguson
027: */
028:
029: package com.caucho.server.hmux;
030:
031: import java.lang.ref.*;
032: import java.util.*;
033:
034: import com.caucho.server.connection.Connection;
035: import com.caucho.server.port.Protocol;
036: import com.caucho.server.port.ServerRequest;
037: import com.caucho.loader.*;
038:
039: /**
040: * Dispatches the HMUX protocol.
041: *
042: * @see com.caucho.server.port.Protocol
043: */
044: public class HmuxProtocol extends Protocol {
045: private static EnvironmentLocal<HmuxProtocol> _localManager = new EnvironmentLocal<HmuxProtocol>();
046:
047: private String _protocolName = "hmux";
048:
049: private ClassLoader _classLoader;
050:
051: private HashMap<Integer, WeakReference<HmuxExtension>> _extensionMap = new HashMap<Integer, WeakReference<HmuxExtension>>();
052:
053: public HmuxProtocol() {
054: _classLoader = Thread.currentThread().getContextClassLoader();
055:
056: _localManager.set(this );
057: }
058:
059: public static HmuxProtocol getLocal() {
060: synchronized (_localManager) {
061: return _localManager.get();
062: }
063: }
064:
065: /**
066: * Returns the protocol name.
067: */
068: public String getProtocolName() {
069: return _protocolName;
070: }
071:
072: /**
073: * Sets the protocol name.
074: */
075: public void setProtocolName(String name) {
076: _protocolName = name;
077: }
078:
079: /**
080: * Create a HmuxRequest object for the new thread.
081: */
082: public ServerRequest createRequest(Connection conn) {
083: return new HmuxRequest(getServer(), conn, this );
084: }
085:
086: public ClassLoader getClassLoader() {
087: return _classLoader;
088: }
089:
090: public HmuxExtension getExtension(Integer id) {
091: WeakReference<HmuxExtension> ref = _extensionMap.get(id);
092:
093: if (ref != null)
094: return ref.get();
095: else
096: return null;
097: }
098:
099: public void putExtension(Integer id, HmuxExtension extension) {
100: _extensionMap.put(id, new WeakReference<HmuxExtension>(
101: extension));
102: }
103: }
|