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/*
* Copyright 2004,2005 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.tuscany.sca.binding.ws.axis2.jms;
import java.util.HashMap;
import java.util.Map;
import javax.naming.Context;
import org.apache.axis2.AxisFault;
import org.apache.axis2.description.Parameter;
import org.apache.axis2.description.ParameterInclude;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
/**
* Class managing a set of {@link JMSConnectionFactory} objects.
*/
public class JMSConnectionFactoryManager {
private static final Log log = LogFactory.getLog(JMSConnectionFactoryManager.class);
/** A Map containing the JMS connection factories managed by this, keyed by name */
private final Map<String,JMSConnectionFactory> connectionFactories =
new HashMap<String,JMSConnectionFactory>();
/**
* Construct a Connection factory manager for the JMS transport sender or receiver
* @param trpInDesc
*/
public JMSConnectionFactoryManager(ParameterInclude trpInDesc) {
loadConnectionFactoryDefinitions(trpInDesc);
}
/**
* Create JMSConnectionFactory instances for the definitions in the transport configuration,
* and add these into our collection of connectionFactories map keyed by name
*
* @param trpDesc the transport description for JMS
*/
private void loadConnectionFactoryDefinitions(ParameterInclude trpDesc) {
for (Object o : trpDesc.getParameters()) {
Parameter p = (Parameter)o;
try {
JMSConnectionFactory jmsConFactory = new JMSConnectionFactory(p);
connectionFactories.put(jmsConFactory.getName(), jmsConFactory);
} catch (AxisJMSException e) {
log.error("Error setting up connection factory : " + p.getName(), e);
}
}
}
/**
* Get the JMS connection factory with the given name.
*
* @param name the name of the JMS connection factory
* @return the JMS connection factory or null if no connection factory with
* the given name exists
*/
public JMSConnectionFactory getJMSConnectionFactory(String name) {
return connectionFactories.get(name);
}
/**
* Get the JMS connection factory that matches the given properties, i.e. referring to
* the same underlying connection factory. Used by the JMSSender to determine if already
* available resources should be used for outgoing messages
*
* @param props a Map of connection factory JNDI properties and name
* @return the JMS connection factory or null if no connection factory compatible
* with the given properties exists
*/
public JMSConnectionFactory getJMSConnectionFactory(Map<String,String> props) {
for (JMSConnectionFactory cf : connectionFactories.values()) {
Map<String,String> cfProperties = cf.getParameters();
if (equals(props.get(JMSConstants.PARAM_CONFAC_JNDI_NAME),
cfProperties.get(JMSConstants.PARAM_CONFAC_JNDI_NAME))
&&
equals(props.get(Context.INITIAL_CONTEXT_FACTORY),
cfProperties.get(Context.INITIAL_CONTEXT_FACTORY))
&&
equals(props.get(Context.PROVIDER_URL),
cfProperties.get(Context.PROVIDER_URL))
&&
equals(props.get(Context.SECURITY_PRINCIPAL),
cfProperties.get(Context.SECURITY_PRINCIPAL))
&&
equals(props.get(Context.SECURITY_CREDENTIALS),
cfProperties.get(Context.SECURITY_CREDENTIALS))) {
return cf;
}
}
return null;
}
/**
* Compare two values preventing NPEs
*/
private static boolean equals(Object s1, Object s2) {
return s1 == s2 || s1 != null && s1.equals(s2);
}
protected void handleException(String msg, Exception e) throws AxisFault {
log.error(msg, e);
throw new AxisFault(msg, e);
}
}
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