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/*
* 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.tuscany.sca.binding.jms.policy.header;
import static javax.xml.stream.XMLStreamConstants.END_ELEMENT;
import static javax.xml.stream.XMLStreamConstants.START_ELEMENT;
import javax.xml.namespace.QName;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamReader;
import javax.xml.stream.XMLStreamWriter;
import org.apache.tuscany.sca.assembly.xml.Constants;
import org.apache.tuscany.sca.assembly.xml.Messages;
import org.apache.tuscany.sca.contribution.processor.BaseStAXArtifactProcessor;
import org.apache.tuscany.sca.contribution.processor.ContributionReadException;
import org.apache.tuscany.sca.contribution.processor.ContributionResolveException;
import org.apache.tuscany.sca.contribution.processor.ContributionWriteException;
import org.apache.tuscany.sca.contribution.processor.ProcessorContext;
import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor;
import org.apache.tuscany.sca.contribution.resolver.ModelResolver;
import org.apache.tuscany.sca.core.ExtensionPointRegistry;
import org.apache.tuscany.sca.monitor.Monitor;
import org.apache.tuscany.sca.monitor.Problem;
import org.apache.tuscany.sca.monitor.Problem.Severity;
/**
*
* @version $Rev$ $Date$
*/
public class JMSHeaderPolicyProcessor extends BaseStAXArtifactProcessor implements StAXArtifactProcessor<JMSHeaderPolicy> {
public QName getArtifactType() {
return JMSHeaderPolicy.JMS_HEADER_POLICY_QNAME;
}
public JMSHeaderPolicyProcessor(ExtensionPointRegistry modelFactories) {
}
/**
* Marshals warnings into the monitor
*
* @param message
* @param model
* @param messageParameters
*/
protected void warning(Monitor monitor, String message, Object model, String... messageParameters) {
if (monitor != null){
Problem problem = monitor.createProblem(this.getClass().getName(), Messages.RESOURCE_BUNDLE, Severity.WARNING, model, message, (Object[])messageParameters);
monitor.problem(problem);
}
}
/**
* Marshals errors into the monitor
*
* @param problems
* @param message
* @param model
*/
protected void error(Monitor monitor, String message, Object model, Object... messageParameters) {
if (monitor != null) {
Problem problem = monitor.createProblem(this.getClass().getName(), Messages.RESOURCE_BUNDLE, Severity.ERROR, model, message, (Object[])messageParameters);
monitor.problem(problem);
}
}
public JMSHeaderPolicy read(XMLStreamReader reader, ProcessorContext context) throws ContributionReadException, XMLStreamException {
JMSHeaderPolicy policy = new JMSHeaderPolicy();
int event = reader.getEventType();
QName name = null;
Monitor monitor = context.getMonitor();
while (reader.hasNext()) {
event = reader.getEventType();
switch (event) {
case START_ELEMENT : {
name = reader.getName();
if ( name.equals(getArtifactType()) ) {
policy.setJmsType(getString(reader, JMSHeaderPolicy.JMS_HEADER_JMS_TYPE));
policy.setJmsCorrelationId(getString(reader, JMSHeaderPolicy.JMS_HEADER_JMS_CORRELATION_ID));
String deliveryMode = getString(reader, JMSHeaderPolicy.JMS_HEADER_JMS_DELIVERY_MODE);
if (deliveryMode != null){
if (deliveryMode.equals("PERSISTENT")) {
policy.setDeliveryModePersistent(true);
} else if (deliveryMode.equals("NON_PERSISTENT")){
policy.setDeliveryModePersistent(false);
} else {
error(monitor, "InvalidDeliveryMode", policy, deliveryMode);
}
}
String timeToLive = getString(reader, JMSHeaderPolicy.JMS_HEADER_JMS_TIME_TO_LIVE);
if ( timeToLive != null){
try {
policy.setTimeToLive(Long.valueOf(timeToLive));
} catch (NumberFormatException ex){
error(monitor, "InvalidTimeToLive", policy, timeToLive);
}
}
String priority = getString(reader, JMSHeaderPolicy.JMS_HEADER_JMS_PRIORITY);
if ( priority != null){
try {
policy.setJmsPriority(Integer.valueOf(priority));
} catch (NumberFormatException ex){
error(monitor, "InvalidPriority", policy, priority);
}
}
} else if (name.getLocalPart().equals(JMSHeaderPolicy.JMS_HEADER_JMS_PROPERTY)) {
String propertyName = getString(reader, JMSHeaderPolicy.JMS_HEADER_JMS_PROPERTY_NAME);
String propertyValue = reader.getElementText();
policy.getProperties().put(propertyName, propertyValue);
}
break;
}
}
if ( event == END_ELEMENT ) {
if ( getArtifactType().equals(reader.getName()) ) {
break;
}
}
//Read the next element
if (reader.hasNext()) {
reader.next();
}
}
return policy;
}
public void write(JMSHeaderPolicy policy, XMLStreamWriter writer, ProcessorContext context)
throws ContributionWriteException, XMLStreamException {
String prefix = "tuscany";
writer.writeStartElement(prefix,
getArtifactType().getLocalPart(),
getArtifactType().getNamespaceURI());
writer.writeNamespace("tuscany", Constants.SCA11_TUSCANY_NS);
if (policy.getJmsType() != null){
writer.writeAttribute(JMSHeaderPolicy.JMS_HEADER_JMS_TYPE, policy.getJmsType());
}
if (policy.getJmsCorrelationId() != null){
writer.writeAttribute(JMSHeaderPolicy.JMS_HEADER_JMS_CORRELATION_ID, policy.getJmsCorrelationId());
}
if (policy.getDeliveryModePersistent() == true){
writer.writeAttribute(JMSHeaderPolicy.JMS_HEADER_JMS_DELIVERY_MODE, "PERSISTENT");
} else {
writer.writeAttribute(JMSHeaderPolicy.JMS_HEADER_JMS_DELIVERY_MODE, "NON_PERSISTENT");
}
if (policy.getTimeToLive()!= null){
writer.writeAttribute(JMSHeaderPolicy.JMS_HEADER_JMS_TIME_TO_LIVE, policy.getTimeToLive().toString());
}
if (policy.getJmsPriority()!= null){
writer.writeAttribute(JMSHeaderPolicy.JMS_HEADER_JMS_PRIORITY, policy.getJmsPriority().toString());
}
for (String propertyName : policy.getProperties().keySet()){
writer.writeStartElement(prefix,
JMSHeaderPolicy.JMS_HEADER_JMS_PROPERTY,
getArtifactType().getNamespaceURI());
writer.writeAttribute(JMSHeaderPolicy.JMS_HEADER_JMS_PROPERTY_NAME, propertyName);
writer.writeCharacters(policy.getProperties().get(propertyName));
writer.writeEndElement();
}
writer.writeEndElement();
}
public Class<JMSHeaderPolicy> getModelType() {
return JMSHeaderPolicy.class;
}
public void resolve(JMSHeaderPolicy arg0, ModelResolver arg1, ProcessorContext context) throws ContributionResolveException {
}
}
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