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*
* Copyright (c) 2008-2013 Oracle and/or its affiliates. All rights reserved.
*
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* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
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* language governing permissions and limitations under the License.
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* file and include the License file at packager/legal/LICENSE.txt.
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*/
package org.glassfish.grizzly;
import java.net.InetSocketAddress;
import java.net.SocketAddress;
import java.util.LinkedList;
import java.util.List;
import org.glassfish.grizzly.impl.FutureImpl;
import org.glassfish.grizzly.impl.SafeFutureImpl;
/**
* Abstract class simplifies the implementation of
* {@link SocketConnectorHandler}
* interface by pre-implementing some of its methods.
*
* @author Alexey Stashok
*/
public abstract class AbstractSocketConnectorHandler
implements SocketConnectorHandler {
protected final Transport transport;
private Processor processor;
private ProcessorSelector processorSelector;
protected final List probes =
new LinkedList();
public AbstractSocketConnectorHandler(Transport transport) {
this.transport = transport;
this.processor = transport.getProcessor();
this.processorSelector = transport.getProcessorSelector();
}
@Override
public GrizzlyFuture connect(String host, int port) {
return connect(new InetSocketAddress(host, port));
}
@Override
public GrizzlyFuture connect(SocketAddress remoteAddress) {
return connect(remoteAddress, (SocketAddress) null);
}
@Override
public void connect(SocketAddress remoteAddress,
CompletionHandler completionHandler) {
connect(remoteAddress, null, completionHandler);
}
@Override
public GrizzlyFuture connect(SocketAddress remoteAddress,
SocketAddress localAddress) {
return connectAsync(remoteAddress, localAddress, null, true);
}
@Override
public void connect(SocketAddress remoteAddress,
SocketAddress localAddress,
CompletionHandler completionHandler) {
connectAsync(remoteAddress, localAddress, completionHandler, false);
}
protected abstract FutureImpl connectAsync(
final SocketAddress remoteAddress,
final SocketAddress localAddress,
final CompletionHandler completionHandler,
final boolean needFuture);
/**
* Get the default {@link Processor} to process {@link IOEvent}, occurring
* on connection phase.
*
* @return the default {@link Processor} to process {@link IOEvent},
* occurring on connection phase.
*/
public Processor getProcessor() {
return processor;
}
/**
* Set the default {@link Processor} to process {@link IOEvent}, occurring
* on connection phase.
*
* @param processor the default {@link Processor} to process
* {@link IOEvent}, occurring on connection phase.
*/
public void setProcessor(Processor processor) {
this.processor = processor;
}
/**
* Gets the default {@link ProcessorSelector}, which will be used to get
* {@link Processor} to process I/O events, occurring on connection phase.
*
* @return the default {@link ProcessorSelector}, which will be used to get
* {@link Processor} to process I/O events, occurring on connection phase.
*/
public ProcessorSelector getProcessorSelector() {
return processorSelector;
}
/**
* Sets the default {@link ProcessorSelector}, which will be used to get
* {@link Processor} to process I/O events, occurring on connection phase.
*
* @param processorSelector the default {@link ProcessorSelector},
* which will be used to get {@link Processor} to process I/O events,
* occurring on connection phase.
*/
public void setProcessorSelector(ProcessorSelector processorSelector) {
this.processorSelector = processorSelector;
}
/**
* Add the {@link ConnectionProbe}, which will be notified about
* Connection life-cycle events.
*
* @param probe the {@link ConnectionProbe}.
*/
public void addMonitoringProbe(ConnectionProbe probe) {
probes.add(probe);
}
/**
* Remove the {@link ConnectionProbe}.
*
* @param probe the {@link ConnectionProbe}.
*/
public boolean removeMonitoringProbe(ConnectionProbe probe) {
return probes.remove(probe);
}
/**
* Get the {@link ConnectionProbe}, which are registered on the Connection.
* Please note, it's not appropriate to modify the returned array's content.
* Please use {@link #addMonitoringProbe(org.glassfish.grizzly.ConnectionProbe)} and
* {@link #removeMonitoringProbe(org.glassfish.grizzly.ConnectionProbe)} instead.
*
* @return the {@link ConnectionProbe}, which are registered on the Connection.
*/
public ConnectionProbe[] getMonitoringProbes() {
return probes.toArray(new ConnectionProbe[probes.size()]);
}
/**
* Pre-configures {@link Connection} object before actual connecting phase
* will be started.
*
* @param connection {@link Connection} to pre-configure.
*/
protected void preConfigure(Connection connection) {
}
protected FutureImpl makeCancellableFuture(final Connection connection) {
return new SafeFutureImpl() {
@Override
protected void onComplete() {
try {
if (!isCancelled()) {
get();
return;
}
} catch (Throwable ignored) {
}
try {
connection.closeSilently();
} catch (Exception ignored) {
}
}
};
}
/**
* Builder
*
* @param
*/
@SuppressWarnings("unchecked")
public abstract static class Builder {
protected Processor processor;
protected ProcessorSelector processorSelector;
protected ConnectionProbe connectionProbe;
public E processor(final Processor processor) {
this.processor = processor;
return (E) this;
}
public E processorSelector(final ProcessorSelector processorSelector) {
this.processorSelector = processorSelector;
return (E) this;
}
public E probe(ConnectionProbe connectionProbe) {
this.connectionProbe = connectionProbe;
return (E) this;
}
public AbstractSocketConnectorHandler build() {
AbstractSocketConnectorHandler handler = create();
if (processor != null) {
handler.setProcessor(processor);
}
if (processorSelector != null) {
handler.setProcessorSelector(processorSelector);
}
if (connectionProbe != null) {
handler.addMonitoringProbe(connectionProbe);
}
return handler;
}
protected abstract AbstractSocketConnectorHandler create();
}
}
