/*
* 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.generic;
import java.lang.reflect.Constructor;
import java.lang.reflect.InvocationTargetException;
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.core.SynapseEnvironment;
import org.apache.synapse.inbound.InboundProcessorParams;
import org.apache.synapse.startup.quartz.StartUpController;
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 GenericProcessor extends InboundRequestProcessorImpl implements TaskStartupObserver {
private GenericPollingConsumer pollingConsumer;
private Properties properties;
private String injectingSeq;
private String onErrorSeq;
private static final Log log = LogFactory.getLog(GenericProcessor.class);
private StartUpController startUpController;
private String classImpl;
private boolean sequential;
private static final String ENDPOINT_POSTFIX = "CLASS" + COMMON_ENDPOINT_POSTFIX;
public GenericProcessor(String name, String classImpl, Properties properties,
long scanInterval, String injectingSeq, String onErrorSeq,
SynapseEnvironment synapseEnvironment, boolean coordination, boolean sequential) {
this.name = name;
this.properties = properties;
this.interval = scanInterval;
this.injectingSeq = injectingSeq;
this.onErrorSeq = onErrorSeq;
this.synapseEnvironment = synapseEnvironment;
this.classImpl = classImpl;
this.coordination = coordination;
this.sequential = sequential;
}
public GenericProcessor(InboundProcessorParams params) {
this.name = params.getName();
this.properties = params.getProperties();
this.interval =
Long.parseLong(properties.getProperty(PollingConstants.INBOUND_ENDPOINT_INTERVAL));
this.coordination = true;
if (properties.getProperty(PollingConstants.INBOUND_COORDINATION) != null) {
this.coordination = Boolean.parseBoolean(properties
.getProperty(PollingConstants.INBOUND_COORDINATION));
}
this.sequential = true;
if (properties.getProperty(PollingConstants.INBOUND_ENDPOINT_SEQUENTIAL) != null) {
this.sequential = Boolean.parseBoolean(properties
.getProperty(PollingConstants.INBOUND_ENDPOINT_SEQUENTIAL));
}
this.injectingSeq = params.getInjectingSeq();
this.onErrorSeq = params.getOnErrorSeq();
this.synapseEnvironment = params.getSynapseEnvironment();
this.classImpl = params.getClassImpl();
}
public void init() {
log.info("Inbound listener " + name + " for class " + classImpl + " starting ...");
try {
Class c = Class.forName(classImpl);
Constructor cons = c.getConstructor(Properties.class, String.class, SynapseEnvironment.class, long.class, String.class, String.class, boolean.class, boolean.class);
pollingConsumer = (GenericPollingConsumer) cons.newInstance(properties, name, synapseEnvironment, interval, injectingSeq, onErrorSeq, coordination, sequential);
} catch (ClassNotFoundException e) {
handleException("Class " + classImpl + " not found. Please check the required class is added to the classpath.", e);
} catch (NoSuchMethodException e) {
handleException("Required constructor is not implemented.", e);
} catch (InvocationTargetException e) {
handleException("Unable to create the consumer", e);
} catch (Exception e) {
handleException("Unable to create the consumer", e);
}
start();
}
private void handleException(String msg, Exception ex) {
log.error(msg, ex);
throw new SynapseException(ex);
}
public void start() {
try {
InboundTask task = new GenericTask(pollingConsumer, interval);
start(task, ENDPOINT_POSTFIX);
} catch (Exception e) {
log.error("Could not start Generic Processor. Error starting up scheduler. Error: " + e.getLocalizedMessage());
}
}
/**
* Stop the inbound polling processor This will be called when inbound is
* undeployed/redeployed or when server stop
*/
public void destroy() {
super.destroy();
//Terminate polling events
pollingConsumer.destroy();
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public void update() {
start();
}
}