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30 day Evaluation Version distributed via the Maven Jar Repository. Clover is not free. You have 30 days to evaluate it. Please visit http://www.thecortex.net/clover to obtain a licensed version of Clover | |||||||||||||||||||
Source file | Conditionals | Statements | Methods | TOTAL | |||||||||||||||
AsynchToSynchChannelServerAdapter.java | 64.3% | 65% | 66.7% | 65.2% |
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/**
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*
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* Copyright 2004 Hiram Chirino
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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**/
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package org.activeio.adapter;
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import java.io.IOException;
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import java.io.InterruptedIOException;
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import java.net.URI;
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import org.activeio.AcceptListener;
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import org.activeio.AsynchChannelServer;
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import org.activeio.Channel;
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import org.activeio.ChannelServer;
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import org.activeio.SynchChannelServer;
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import EDU.oswego.cs.dl.util.concurrent.LinkedQueue;
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/**
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* Adapts a {@see org.activeio.AsynchChannelServer} so that it provides an
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* {@see org.activeio.SynchChannelServer} interface.
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*
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* This object buffers asynchronous accepts from the {@see org.activeio.AsynchChannelServer}
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* abs buffers them in a {@see EDU.oswego.cs.dl.util.concurrent.Channel} util the client accepts the
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* connection.
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*
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* @version $Revision$
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*/
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final public class AsynchToSynchChannelServerAdapter implements SynchChannelServer, AcceptListener { |
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private final AsynchChannelServer asynchChannelServer;
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private final EDU.oswego.cs.dl.util.concurrent.Channel acceptBuffer;
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static public SynchChannelServer adapt(ChannelServer channel) { |
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return adapt(channel, new LinkedQueue()); |
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} |
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static public SynchChannelServer adapt(ChannelServer channel, EDU.oswego.cs.dl.util.concurrent.Channel upPacketChannel) { |
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// It might not need adapting
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if( channel instanceof SynchChannelServer ) { |
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return (SynchChannelServer) channel;
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} |
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// Can we just just undo the adaptor
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if( channel.getClass() == SynchToAsynchChannelAdapter.class ) { |
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return ((SynchToAsynchChannelServerAdapter)channel).getSynchChannelServer();
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} |
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return new AsynchToSynchChannelServerAdapter((AsynchChannelServer)channel, upPacketChannel); |
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} |
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/**
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* @deprecated {@see #adapt(ChannelServer)}
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*/
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public AsynchToSynchChannelServerAdapter(AsynchChannelServer asynchChannelServer) {
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this(asynchChannelServer,new LinkedQueue()); |
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} |
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/**
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* @deprecated {@see #adapt(ChannelServer, EDU.oswego.cs.dl.util.concurrent.Channel)}
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*/
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public AsynchToSynchChannelServerAdapter(AsynchChannelServer asynchChannelServer, EDU.oswego.cs.dl.util.concurrent.Channel acceptBuffer) {
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this.asynchChannelServer = asynchChannelServer;
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this.acceptBuffer=acceptBuffer;
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this.asynchChannelServer.setAcceptListener(this); |
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} |
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/**
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* @see org.activeio.SynchChannelServer#accept(long)
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*/
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public org.activeio.Channel accept(long timeout) throws IOException { |
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try {
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Object o; |
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if( timeout == NO_WAIT_TIMEOUT ) {
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o = acceptBuffer.poll(0); |
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} else if( timeout == WAIT_FOREVER_TIMEOUT ) { |
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o = acceptBuffer.take(); |
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} else {
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o = acceptBuffer.poll(timeout); |
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} |
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if( o == null ) |
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return null; |
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if( o instanceof Channel ) |
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return (Channel)o;
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Throwable e = (Throwable)o; |
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throw (IOException)new IOException("Asynch error occured: "+e).initCause(e); |
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} catch (InterruptedException e) {
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throw new InterruptedIOException(e.getMessage()); |
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} |
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} |
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/**
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* @see org.activeio.Disposable#dispose()
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*/
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public void dispose() { |
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asynchChannelServer.dispose(); |
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} |
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/**
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* @see org.activeio.Service#start()
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*/
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public void start() throws IOException { |
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asynchChannelServer.start(); |
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} |
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/**
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* @see org.activeio.Service#stop(long)
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*/
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public void stop(long timeout) throws IOException { |
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asynchChannelServer.stop(timeout); |
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} |
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131 | 18 |
public URI getBindURI() {
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return asynchChannelServer.getBindURI();
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} |
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public URI getConnectURI() {
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return asynchChannelServer.getConnectURI();
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} |
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/**
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* @see org.activeio.AcceptListener#onAccept(org.activeio.Channel)
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*/
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public void onAccept(org.activeio.Channel channel) { |
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try {
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acceptBuffer.put(channel); |
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} catch (InterruptedException e) {
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Thread.currentThread().interrupt(); |
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} |
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} |
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/**
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* @see org.activeio.AcceptListener#onAcceptError(java.io.IOException)
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*/
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153 | 0 |
public void onAcceptError(IOException error) { |
154 | 0 |
try {
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acceptBuffer.put(error); |
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} catch (InterruptedException e) {
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Thread.currentThread().interrupt(); |
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} |
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} |
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161 | 0 |
public AsynchChannelServer getAsynchChannelServer() {
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return asynchChannelServer;
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} |
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public Object narrow(Class target) {
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166 | 2 |
if( target.isAssignableFrom(getClass()) ) {
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return this; |
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} |
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return asynchChannelServer.narrow(target);
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} |
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public String toString() {
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return asynchChannelServer.toString();
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} |
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} |
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