/*
* Copyright (c) 2016, 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.mediation.startup;
import org.apache.axiom.om.OMElement;
import org.apache.axis2.engine.AxisConfiguration;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.synapse.Startup;
import org.apache.synapse.config.SynapseConfiguration;
import org.apache.synapse.core.SynapseEnvironment;
import org.apache.synapse.startup.quartz.SimpleQuartzFactory;
import org.apache.synapse.startup.AbstractStartup;
import org.apache.synapse.task.TaskDescription;
import org.wso2.carbon.mediation.initializer.ServiceBusUtils;
import org.wso2.carbon.mediation.initializer.persistence.MediationPersistenceManager;
import org.wso2.carbon.mediation.initializer.ServiceBusConstants;
import java.util.Iterator;
/**
* Synapse Startup Management
*/
public class StartupUtils {
private final static Log log = LogFactory.getLog(StartupUtils.class);
public StartupUtils() {
}
public static void addStartup(OMElement startupElement, SynapseConfiguration synapseConfiguration,
SynapseEnvironment synapseEnvironment) {
addStartup(startupElement, null, true, synapseConfiguration, synapseEnvironment);
}
private static void addStartup(OMElement startupElement, String fileName, boolean generateFileName,
SynapseConfiguration synapseConfiguration, SynapseEnvironment synapseEnvironment) {
SimpleQuartzFactory factory = new SimpleQuartzFactory();
Startup startup = factory.createStartup(startupElement);
if (startup == null) {
handleException("Startup is null");
} else {
if (startup instanceof AbstractStartup) {
if (generateFileName) {
fileName = ServiceBusUtils.generateFileName((startup.getName()));
}
startup.setFileName(fileName);
}
synapseConfiguration.addStartup(startup);
startup.init(synapseEnvironment);
persistStartup(startup, synapseConfiguration.getAxisConfiguration());
if (log.isDebugEnabled()) {
log.debug("Added Startup : " + startup + " from the configuration");
}
}
}
public static void updateStartup(String name, OMElement taskElement, SynapseConfiguration synapseConfiguration,
SynapseEnvironment synapseEnvironment) {
Startup st = synapseConfiguration.getStartup(name);
if (st == null) {
log.warn("Cannot update the startup named: " + name + ", it doesn't exists in the SynapseConfiguration");
return;
}
String fileName = null;
if (st instanceof AbstractStartup) {
fileName = st.getFileName();
}
deleteStartup(st.getName(), synapseConfiguration);
addStartup(taskElement, fileName, false, synapseConfiguration, synapseEnvironment);
}
public static void deleteStartup(String name, SynapseConfiguration synapseConfiguration) {
Startup st = synapseConfiguration.getStartup(name);
if (st != null) {
st.destroy();
String fileName = null;
if (st instanceof AbstractStartup) {
fileName = st.getFileName();
}
synapseConfiguration.removeStartup(name);
MediationPersistenceManager pm =
ServiceBusUtils.getMediationPersistenceManager(synapseConfiguration.getAxisConfiguration());
pm.deleteItem(name, fileName, ServiceBusConstants.ITEM_TYPE_TASK);
} else {
log.warn("Cannot delete the startup named " + name + ", it doesn't exists in the SynapseConfiguration");
}
if (log.isDebugEnabled()) {
log.debug("Deleted Startup : " + name + " from the configuration");
}
}
public static TaskDescription getTaskDescription(String name, SynapseEnvironment synapseEnvironment) {
if (log.isDebugEnabled()) {
log.debug("Returning a Startup : " + name + " from the configuration");
}
TaskDescription taskDescription = synapseEnvironment.getTaskManager().
getTaskDescriptionRepository().getTaskDescription(name);
if (taskDescription != null) {
if (log.isDebugEnabled()) {
log.debug("Returning a TaskDescription : " + taskDescription);
}
return taskDescription;
} else {
if (log.isDebugEnabled()) {
log.debug("There is no Startup with name :" + name);
}
return null;
}
}
public static Iterator<TaskDescription> getAllTaskDescriptions(SynapseEnvironment synapseEnvironment) {
if (log.isDebugEnabled()) {
log.debug("Returning a All Startups from the configuration");
}
return synapseEnvironment.getTaskManager().
getTaskDescriptionRepository().getAllTaskDescriptions();
}
public static boolean isContains(String name, SynapseEnvironment synapseEnvironment) {
return !synapseEnvironment.getTaskManager().
getTaskDescriptionRepository().isUnique(name);
}
public static void shutDown() {
}
private static void persistStartup(Startup startup, AxisConfiguration axisCfg) {
MediationPersistenceManager pm = ServiceBusUtils.getMediationPersistenceManager(axisCfg);
pm.saveItem(startup.getName(), ServiceBusConstants.ITEM_TYPE_TASK);
}
private static void handleException(String msg) {
log.error(msg);
throw new IllegalArgumentException(msg);
}
}