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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.host.embedded.test.extension.impl;
import static javax.xml.stream.XMLStreamConstants.END_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.StAXArtifactProcessor;
import org.apache.tuscany.sca.contribution.resolver.ModelResolver;
import org.apache.tuscany.sca.contribution.service.ContributionReadException;
import org.apache.tuscany.sca.contribution.service.ContributionResolveException;
import org.apache.tuscany.sca.contribution.service.ContributionWriteException;
import org.apache.tuscany.sca.host.embedded.test.extension.TestImplementation;
import org.apache.tuscany.sca.host.embedded.test.extension.TestImplementationFactory;
/**
* Implements a StAX artifact processor for test implementations.
*
* @version $Rev$ $Date$
*/
public class TestImplementationProcessor implements StAXArtifactProcessor<TestImplementation> {
private static final QName IMPLEMENTATION_TEST = new QName("http://test/extension", "implementation.test");
private TestImplementationFactory testFactory;
public TestImplementationProcessor(TestImplementationFactory testFactory) {
this.testFactory = testFactory;
}
public QName getArtifactType() {
// Returns the QName of the XML element processed by this processor
return IMPLEMENTATION_TEST;
}
public Class<TestImplementation> getModelType() {
// Returns the type of model processed by this processor
return TestImplementation.class;
}
public TestImplementation read(XMLStreamReader reader) throws ContributionReadException, XMLStreamException {
// Read an <implementation.test> element
// Read the message attribute.
String message = reader.getAttributeValue(null, "greeting");
// Create and initialize the test implementation model
TestImplementation implementation = testFactory.createTestImplementation();
implementation.setGreeting(message);
// Skip to end element
while (reader.hasNext()) {
if (reader.next() == END_ELEMENT && IMPLEMENTATION_TEST.equals(reader.getName())) {
break;
}
}
return implementation;
}
public void resolve(TestImplementation impl, ModelResolver resolver) throws ContributionResolveException {
}
public void write(TestImplementation implementation, XMLStreamWriter writer) throws ContributionWriteException, XMLStreamException {
writer.writeStartElement(IMPLEMENTATION_TEST.getNamespaceURI(), IMPLEMENTATION_TEST.getLocalPart());
if (implementation.getGreeting() != null) {
writer.writeAttribute("greeting", implementation.getGreeting());
}
writer.writeEndElement();
}
}
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