/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF 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.apache.synapse.deployers;
import org.apache.axiom.om.OMElement;
import org.apache.axis2.AxisFault;
import org.apache.axis2.deployment.DeploymentException;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.synapse.SynapseConstants;
import org.apache.synapse.commons.executors.PriorityExecutor;
import org.apache.synapse.commons.executors.config.PriorityExecutorFactory;
import org.apache.synapse.commons.executors.config.PriorityExecutorSerializer;
import org.apache.synapse.config.xml.MultiXMLConfigurationBuilder;
import java.io.File;
import java.util.Properties;
public class PriorityExecutorDeployer extends AbstractSynapseArtifactDeployer {
private static Log log = LogFactory.getLog(LocalEntryDeployer.class);
@Override
public String deploySynapseArtifact(OMElement artifactConfig,
String fileName, Properties properties) {
if (log.isDebugEnabled()) {
log.debug("PriorityExecutor Deployment from file : " + fileName + " : Started");
}
try {
PriorityExecutor e = PriorityExecutorFactory.createExecutor(
SynapseConstants.SYNAPSE_NAMESPACE, artifactConfig, true, properties);
if (e != null) {
e.setFileName((new File(fileName)).getName());
if (log.isDebugEnabled()) {
log.debug("PriorityExecutor with name '" + e.getName()
+ "' has been built from the file " + fileName);
}
getSynapseConfiguration().addPriorityExecutor(e.getName(), e);
e.init();
if (log.isDebugEnabled()) {
log.debug("PriorityExecutor Deployment from file : " + fileName + " : Completed");
}
log.info("PriorityExecutor named '" + e.getName()
+ "' has been deployed from file : " + fileName);
return e.getName();
} else {
handleSynapseArtifactDeploymentError("PriorityExecutor Deployment Failed. " +
"The artifact described in the file " + fileName +
" is not a PriorityExecutor");
}
} catch (Exception e) {
handleSynapseArtifactDeploymentError(
"PriorityExecutor Deployment from the file : " + fileName + " : Failed.", e);
}
return null;
}
@Override
public String updateSynapseArtifact(OMElement artifactConfig, String fileName,
String existingArtifactName, Properties properties) {
if (log.isDebugEnabled()) {
log.debug("PriorityExecutor update from file : " + fileName + " has started");
}
try {
PriorityExecutor e = PriorityExecutorFactory.createExecutor(
SynapseConstants.SYNAPSE_NAMESPACE, artifactConfig, true, properties);
if (e == null) {
handleSynapseArtifactDeploymentError("PriorityExecutor update failed. The artifact " +
"defined in the file: " + fileName + " is not a valid executor.");
return null;
}
e.setFileName(new File(fileName).getName());
if (log.isDebugEnabled()) {
log.debug("Executor: " + e.getName() + " has been built from the file: " + fileName);
}
e.init();
PriorityExecutor existingExecutor = getSynapseConfiguration().getPriorityExecutors().
get(existingArtifactName);
if (existingArtifactName.equals(e.getName())) {
getSynapseConfiguration().updatePriorityExecutor(existingArtifactName, e);
} else {
// The user has changed the name of the executor
// We should add the updated executor as a new executor and remove the old one
getSynapseConfiguration().addPriorityExecutor(e.getName(), e);
getSynapseConfiguration().removeExecutor(existingArtifactName);
log.info("Executor: " + existingArtifactName + " has been undeployed");
}
waitForCompletion();
existingExecutor.destroy();
log.info("PriorityExecutor: " + e.getName() + " has been updated from the file: " + fileName);
return e.getName();
} catch (DeploymentException e) {
handleSynapseArtifactDeploymentError("Error while updating the executor from the " +
"file: " + fileName);
} catch (AxisFault e) {
handleSynapseArtifactDeploymentError("Error while creating the executor from the " +
"configuration in file: " + fileName);
}
return null;
}
@Override
public void undeploySynapseArtifact(String artifactName) {
if (log.isDebugEnabled()) {
log.debug("PriorityExecutor Undeployment of the entry named : "
+ artifactName + " : Started");
}
try {
PriorityExecutor e = getSynapseConfiguration().getPriorityExecutors().get(artifactName);
if (e != null) {
e = getSynapseConfiguration().removeExecutor(artifactName);
if (log.isDebugEnabled()) {
log.debug("PriorityExecutor Undeployment of the entry named : "
+ artifactName + " : Completed");
}
e.destroy();
log.info("PriorityExecutor named '" + e.getName() + "' has been undeployed");
} else if (log.isDebugEnabled()) {
log.debug("PriorityExecutor " + artifactName + " has already been undeployed");
}
} catch (Exception e) {
handleSynapseArtifactDeploymentError(
"PriorityExecutor Undeployement of entry named : " +
artifactName + " : Failed", e);
}
}
@Override
public void restoreSynapseArtifact(String artifactName) {
if (log.isDebugEnabled()) {
log.debug("Restoring PriorityExecutor with name : " + artifactName + " : Started");
}
try {
PriorityExecutor e = getSynapseConfiguration().getPriorityExecutors().get(artifactName);
OMElement entryElem = PriorityExecutorSerializer.serialize(null, e,
SynapseConstants.SYNAPSE_NAMESPACE);
if (e.getFileName() != null) {
String fileName = getServerConfigurationInformation().getSynapseXMLLocation()
+ File.separator + MultiXMLConfigurationBuilder.EXECUTORS_DIR
+ File.separator + e.getFileName();
writeToFile(entryElem, fileName);
if (log.isDebugEnabled()) {
log.debug("Restoring the PriorityExecutor with name : "
+ artifactName + " : Completed");
}
log.info("PriorityExecutor named '" + artifactName + "' has been restored");
} else {
handleSynapseArtifactDeploymentError("Couldn't restore the PriorityExecutor named '"
+ artifactName + "', filename cannot be found");
}
} catch (Exception e) {
handleSynapseArtifactDeploymentError(
"Restoring of the PriorityExecutor named '" + artifactName + "' has failed", e);
}
}
}