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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.policy.transaction;
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.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.core.FactoryExtensionPoint;
/**
* @version $Rev$ $Date$
*/
public class TransactionPolicyProcessor implements StAXArtifactProcessor<TransactionPolicy> {
public static final String TIMEOUT = "transactionTimeout";
public static final String ACTION = "action";
TransactionPolicyFactory transactionPolicyFactory;
public QName getArtifactType() {
return TransactionPolicy.NAME;
}
public Class<TransactionPolicy> getModelType() {
return TransactionPolicy.class;
}
public TransactionPolicyProcessor(ExtensionPointRegistry extensions) {
FactoryExtensionPoint factories = extensions.getExtensionPoint(FactoryExtensionPoint.class);
transactionPolicyFactory = factories.getFactory(TransactionPolicyFactory.class);
}
public TransactionPolicy read(XMLStreamReader reader, ProcessorContext context) throws ContributionReadException, XMLStreamException {
TransactionPolicy txPolicy = transactionPolicyFactory.createTransactionPolicy();
int event = reader.getEventType();
while (reader.hasNext()) {
event = reader.getEventType();
switch (event) {
case START_ELEMENT: {
String timeout = reader.getAttributeValue(null, TIMEOUT);
if (timeout != null) {
txPolicy.setTransactionTimeout(Integer.parseInt(timeout));
}
String action = reader.getAttributeValue(null, ACTION);
if (action != null) {
txPolicy.setAction(TransactionPolicy.Action.valueOf(action));
}
break;
}
}
if (event == END_ELEMENT) {
if (TransactionPolicy.NAME.equals(reader.getName())) {
break;
}
}
//Read the next element
if (reader.hasNext()) {
reader.next();
}
}
return txPolicy;
}
public void write(TransactionPolicy policy, XMLStreamWriter writer, ProcessorContext context) throws ContributionWriteException,
XMLStreamException {
// TODO
}
public void resolve(TransactionPolicy policy, ModelResolver resolver, ProcessorContext context) throws ContributionResolveException {
// TODO
}
}
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