/*
* Copyright (c) 2005-2014, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
*
* WSO2 Inc. licenses this file to you 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.wso2.carbon.inbound.endpoint.protocol.jms;
import java.util.ArrayList;
import java.util.List;
import java.util.Properties;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.synapse.SynapseException;
import org.apache.synapse.inbound.InboundProcessorParams;
import org.apache.synapse.task.TaskStartupObserver;
import org.wso2.carbon.inbound.endpoint.common.InboundRequestProcessorImpl;
import org.wso2.carbon.inbound.endpoint.common.InboundTask;
import org.wso2.carbon.inbound.endpoint.protocol.PollingConstants;
public class JMSProcessor extends InboundRequestProcessorImpl implements TaskStartupObserver {
private static final Log log = LogFactory.getLog(JMSProcessor.class.getName());
private static final String ENDPOINT_POSTFIX = "JMS" + COMMON_ENDPOINT_POSTFIX;
private List<JMSPollingConsumer> pollingConsumers = new ArrayList<>();
private Properties jmsProperties;
private boolean sequential;
private String injectingSeq;
private String onErrorSeq;
private int concurrentConsumers;
public JMSProcessor(InboundProcessorParams params) {
this.name = params.getName();
this.jmsProperties = params.getProperties();
String inboundEndpointInterval = jmsProperties.getProperty(PollingConstants.INBOUND_ENDPOINT_INTERVAL);
if (inboundEndpointInterval != null) {
try {
this.interval = Long.parseLong(inboundEndpointInterval);
} catch (NumberFormatException nfe) {
throw new SynapseException("Invalid numeric value for interval.", nfe);
}
}
this.sequential = true;
String inboundEndpointSequential = jmsProperties.getProperty(PollingConstants.INBOUND_ENDPOINT_SEQUENTIAL);
if (inboundEndpointSequential != null) {
this.sequential = Boolean.parseBoolean(inboundEndpointSequential);
}
this.coordination = true;
String inboundCoordination = jmsProperties.getProperty(PollingConstants.INBOUND_COORDINATION);
if (inboundCoordination != null) {
this.coordination = Boolean.parseBoolean(inboundCoordination);
}
this.concurrentConsumers = 1;
String concurrentConsumers = jmsProperties.getProperty(PollingConstants.INBOUND_CONCURRENT_CONSUMERS);
if (concurrentConsumers != null) {
if (Integer.parseInt(concurrentConsumers) == 0) {
throw new SynapseException("Number of Concurrent Consumers should be Greater than 0");
}
this.concurrentConsumers = Integer.parseInt(concurrentConsumers);
}
this.injectingSeq = params.getInjectingSeq();
this.onErrorSeq = params.getOnErrorSeq();
this.synapseEnvironment = params.getSynapseEnvironment();
}
/**
* This will be called at the time of synapse artifact deployment.
*/
public void init() {
log.info("Initializing inbound JMS listener for inbound endpoint " + name);
for (int consumers = 0; consumers < concurrentConsumers; consumers++) {
JMSPollingConsumer jmsPollingConsumer = new JMSPollingConsumer( jmsProperties, interval, name);
jmsPollingConsumer.registerHandler(new JMSInjectHandler(injectingSeq, onErrorSeq, sequential,
synapseEnvironment, jmsProperties));
pollingConsumers.add(jmsPollingConsumer);
start(jmsPollingConsumer, consumers);
}
}
/**
* Stop the inbound polling processor This will be called when inbound is
* undeployed/redeployed or when server stop
*/
public void destroy() {
for (JMSPollingConsumer pollingConsumer : pollingConsumers) {
pollingConsumer.destroy();
}
super.destroy();
}
/**
* Register/start the schedule service
* */
public void start(JMSPollingConsumer pollingConsumer, int consumer) {
InboundTask task = new JMSTask(pollingConsumer, interval);
start(task, (ENDPOINT_POSTFIX + consumer));
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public void update() {
// This will not be called for inbound endpoints
}
}