/*
* This file is part of FFMQ.
*
* FFMQ is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* FFMQ is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with FFMQ; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
package net.timewalker.ffmq3.management;
import java.io.File;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import java.util.Vector;
import javax.jms.JMSException;
import net.timewalker.ffmq3.FFMQException;
import net.timewalker.ffmq3.management.bridge.BridgeDefinition;
import net.timewalker.ffmq3.management.bridge.handler.BridgeDescriptorHandler;
import net.timewalker.ffmq3.utils.xml.XMLDescriptorReader;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
/**
* BridgeDefinitionProvider
*/
public final class BridgeDefinitionProvider
{
private static final Log log = LogFactory.getLog(BridgeDefinitionProvider.class);
private File bridgeDefinitionsDir;
private List bridgeDefinitionList = new Vector();
private Set bridgeNames = new HashSet();
/**
* Constructor
*/
public BridgeDefinitionProvider( File bridgeDefinitionsDir )
{
this.bridgeDefinitionsDir = bridgeDefinitionsDir;
}
/**
* @return the bridgeDefinitionList
*/
public BridgeDefinition[] getBridgeDefinitions()
{
return (BridgeDefinition[]) bridgeDefinitionList.toArray(new BridgeDefinition[bridgeDefinitionList.size()]);
}
public void loadExistingDefinitions() throws JMSException
{
log.info("Loading existing bridge definitions from : "+bridgeDefinitionsDir.getAbsolutePath());
File[] bridgeDescriptors = DescriptorTools.getDescriptorFiles(bridgeDefinitionsDir,"bridge-",".xml");
if (bridgeDescriptors != null)
{
for (int i = 0 ; i < bridgeDescriptors.length ; i++)
{
BridgeDefinition bridgeDef = loadBridgeDefinition(bridgeDescriptors[i]);
if (bridgeDef != null)
addBridgeDefinition(bridgeDef);
}
}
log.debug("Loaded "+bridgeDefinitionList.size()+" bridge definitions");
}
public void addBridgeDefinition( BridgeDefinition bridgeDef ) throws JMSException
{
bridgeDef.check();
if (!bridgeNames.add(bridgeDef.getName()))
throw new FFMQException("Bridge name already exists : "+bridgeDef.getName(), "BRIDGE_ALREADY_EXIST");
bridgeDefinitionList.add(bridgeDef);
}
private BridgeDefinition loadBridgeDefinition( File bridgeDescriptor ) throws JMSException
{
if (!bridgeDescriptor.exists())
return null;
if (!bridgeDescriptor.canRead())
throw new FFMQException("Cannot access bridge definition descriptor : "+bridgeDescriptor.getAbsolutePath(),"FS_ERROR");
return (BridgeDefinition)new XMLDescriptorReader().read(bridgeDescriptor, BridgeDescriptorHandler.class);
}
}