/**
*
* Copyright 2005 LogicBlaze, Inc. http://www.logicblaze.com
*
* 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.servicemix.components.net;
import org.apache.commons.net.SocketClient;
import org.apache.commons.pool.ObjectPool;
import org.apache.commons.pool.PoolableObjectFactory;
import org.apache.commons.pool.impl.GenericObjectPool;
import org.springframework.beans.factory.DisposableBean;
import org.springframework.beans.factory.InitializingBean;
import javax.jbi.JBIException;
import java.io.IOException;
import java.net.InetAddress;
/**
* A pool of {@link SocketClient} instances from the
* <a href="http://jakarta.apache.org/commons/net.html">Jakarta Commons Net</a> library to handle
* internet networking connections.
*
* @version $Revision: 244 $
*/
public abstract class SocketClientPoolSupport implements InitializingBean, DisposableBean, PoolableObjectFactory {
private ObjectPool pool;
private InetAddress address;
private String host;
private int port = -1;
private InetAddress localAddress;
private int localPort;
public void afterPropertiesSet() throws Exception {
if (pool == null) {
pool = new GenericObjectPool();
}
pool.setFactory(this);
}
public void destroy() throws Exception {
if (pool != null) {
pool.close();
}
}
public SocketClient borrowClient() throws Exception {
return (SocketClient) getPool().borrowObject();
}
public void returnClient(SocketClient client) throws Exception {
getPool().returnObject(client);
}
// PoolableObjectFactory interface
//-------------------------------------------------------------------------
public Object makeObject() throws Exception {
SocketClient client = createSocketClient();
connect(client);
return client;
}
public void destroyObject(Object object) throws Exception {
SocketClient client = (SocketClient) object;
disconnect(client);
}
public boolean validateObject(Object object) {
return true;
}
public void activateObject(Object object) throws Exception {
}
public void passivateObject(Object object) throws Exception {
}
// Properties
//-------------------------------------------------------------------------
public InetAddress getAddress() {
return address;
}
public void setAddress(InetAddress address) {
this.address = address;
}
public String getHost() {
return host;
}
public void setHost(String host) {
this.host = host;
}
public InetAddress getLocalAddress() {
return localAddress;
}
public void setLocalAddress(InetAddress localAddress) {
this.localAddress = localAddress;
}
public int getLocalPort() {
return localPort;
}
public void setLocalPort(int localPort) {
this.localPort = localPort;
}
public int getPort() {
return port;
}
public void setPort(int port) {
this.port = port;
}
public ObjectPool getPool() {
return pool;
}
public void setPool(ObjectPool pool) {
if (pool != null) {
pool.setFactory(this);
}
this.pool = pool;
}
// Implementation methods
//-------------------------------------------------------------------------
protected void connect(SocketClient client) throws IOException, JBIException, Exception {
if (host != null) {
if (localAddress != null) {
client.connect(host, port, localAddress, localPort);
}
else if (port >= 0) {
client.connect(host, port);
}
else {
client.connect(host);
}
}
else if (address != null) {
if (localAddress != null) {
client.connect(address, port, localAddress, localPort);
}
else if (port >= 0) {
client.connect(address, port);
}
else {
client.connect(address);
}
}
else {
throw new JBIException("You must configure the address or host property");
}
}
protected void disconnect(SocketClient client) throws Exception {
if (client.isConnected()) {
client.disconnect();
}
}
protected abstract SocketClient createSocketClient();
}