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/*
 *  Copyright 2004-2006 Stefan Reuter
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 */
package org.asteriskjava.fastagi.internal;

import java.util.List;
import java.util.concurrent.BlockingQueue;
import java.util.concurrent.LinkedBlockingQueue;

import org.asteriskjava.fastagi.AgiException;
import org.asteriskjava.fastagi.MappingStrategy;
import org.asteriskjava.fastagi.command.AsyncAgiBreakCommand;
import org.asteriskjava.manager.event.AsyncAgiEvent;
import org.asteriskjava.manager.ManagerConnection;

/**
 * An AgiConnectionHandler for AsyncAGI.
 * 
* It reads the request using a AsyncAgiReader and runs the AgiScript configured to * handle this type of request. Finally it sends an {@link org.asteriskjava.fastagi.command.AsyncAgiBreakCommand}. * * @author srt * @version $Id$ */ public class AsyncAgiConnectionHandler extends AgiConnectionHandler { private final ManagerConnection connection; private volatile String channelName; private final List environment; private final BlockingQueue asyncAgiEvents; private AsyncAgiWriter writer; /** * Creates a new FastAGIConnectionHandler to handle the given FastAGI socket connection. * * @param mappingStrategy the strategy to use to determine which script to run. * @param asyncAgiStartEvent the AsyncAgiEvent that started this connection, must be a start sub event. * @param agiChannelFactory The factory to use for creating new AgiChannel instances. * @throws IllegalArgumentException if asyncAgiStartEvent is not a start sub type". */ public AsyncAgiConnectionHandler(MappingStrategy mappingStrategy, AsyncAgiEvent asyncAgiStartEvent, AgiChannelFactory agiChannelFactory) throws IllegalArgumentException { super(mappingStrategy, agiChannelFactory); if (!asyncAgiStartEvent.isStart()) { throw new IllegalArgumentException("AsyncAgiEvent passed to AsyncAgiConnectionHandler is not a start sub event"); } connection = (ManagerConnection) asyncAgiStartEvent.getSource(); channelName = asyncAgiStartEvent.getChannel(); environment = asyncAgiStartEvent.decodeEnv(); asyncAgiEvents = new LinkedBlockingQueue(); setIgnoreMissingScripts(true); } @Override protected AgiReader createReader() { return new AsyncAgiReader(connection, environment, asyncAgiEvents); } @Override protected AgiWriter createWriter() { writer = new AsyncAgiWriter(connection, channelName); return writer; } @Override public void release() { if (writer != null && (getScript() != null || ! isIgnoreMissingScripts())) { try { writer.sendCommand(new AsyncAgiBreakCommand()); } catch (AgiException e) // NOPMD { // ignore } } } public void onAsyncAgiExecEvent(AsyncAgiEvent event) { asyncAgiEvents.offer(event); } public void onAsyncAgiEndEvent(AsyncAgiEvent event) { asyncAgiEvents.offer(event); } public void updateChannelName(String channelName) { this.channelName = channelName; writer.updateChannelName(channelName); } }




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