/*
* Copyright 1999-2001,2004 The Apache Software Foundation.
*
* 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.apache.catalina.storeconfig;
import java.io.PrintWriter;
import org.apache.catalina.LifecycleListener;
import org.apache.catalina.Valve;
import org.apache.catalina.cluster.CatalinaCluster;
import org.apache.catalina.cluster.ClusterDeployer;
import org.apache.catalina.tribes.ChannelReceiver;
import org.apache.catalina.tribes.ChannelSender;
import org.apache.catalina.tribes.MembershipService;
import org.apache.catalina.tribes.MessageListener;
import org.apache.catalina.cluster.tcp.SimpleTcpCluster;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.catalina.tribes.ManagedChannel;
import java.util.Iterator;
/**
* Generate Cluster Element with Membership,Sender,Receiver,Deployer and
* ReplicationValve
*
* @author Peter Rossbach
*/
public class CatalinaClusterSF extends StoreFactoryBase {
private static Log log = LogFactory.getLog(CatalinaClusterSF.class);
/**
* Store the specified Cluster childs.
*
* @param aWriter
* PrintWriter to which we are storing
* @param indent
* Number of spaces to indent this element
* @param aCluster
* Cluster whose properties are being stored
*
* @exception Exception
* if an exception occurs while storing
*/
public void storeChilds(PrintWriter aWriter, int indent, Object aCluster,
StoreDescription parentDesc) throws Exception {
if (aCluster instanceof CatalinaCluster) {
CatalinaCluster cluster = (CatalinaCluster) aCluster;
//store nested <Group> element
ManagedChannel channel = (ManagedChannel)cluster.getChannel();
if (channel != null ) {
storeElement(aWriter, indent, channel);
// Store nested <Membership> element
MembershipService service = channel.getMembershipService();
if (service != null) {
storeElement(aWriter, indent, service);
}
// Store nested <Sender> element
ChannelSender sender = channel.getChannelSender();
if (sender != null) {
storeElement(aWriter, indent, sender);
}
// Store nested <Receiver> element
ChannelReceiver receiver = channel.getChannelReceiver();
if (receiver != null) {
storeElement(aWriter, indent, receiver);
}
Iterator inti = channel.getInterceptors();
while ( inti.hasNext() ) {
storeElement(aWriter,indent,inti.next());
}
}
// Store nested <Deployer> element
ClusterDeployer deployer = cluster.getClusterDeployer();
if (deployer != null) {
storeElement(aWriter, indent, deployer);
}
// Store nested <Valve> element
// ClusterValve are not store at Hosts element, see
Valve valves[] = cluster.getValves();
storeElementArray(aWriter, indent, valves);
if (aCluster instanceof SimpleTcpCluster) {
// Store nested <Listener> elements
LifecycleListener listeners[] = ((SimpleTcpCluster)cluster).findLifecycleListeners();
storeElementArray(aWriter, indent, listeners);
// Store nested <ClusterListener> elements
MessageListener mlisteners[] = ((SimpleTcpCluster)cluster).findClusterListeners();
storeElementArray(aWriter, indent, mlisteners);
}
}
}
}