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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.implementation.osgi.xml;
import static javax.xml.stream.XMLStreamConstants.END_ELEMENT;
import static javax.xml.stream.XMLStreamConstants.START_ELEMENT;
import static org.apache.tuscany.sca.implementation.osgi.OSGiProperty.NAME;
import static org.apache.tuscany.sca.implementation.osgi.OSGiProperty.PROPERTY_QNAME;
import static org.apache.tuscany.sca.implementation.osgi.OSGiProperty.TYPE;
import static org.apache.tuscany.sca.implementation.osgi.OSGiProperty.VALUE;
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.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.FactoryExtensionPoint;
import org.apache.tuscany.sca.implementation.osgi.OSGiImplementationFactory;
import org.apache.tuscany.sca.implementation.osgi.OSGiProperty;
/**
* A processor for <tuscany:osgi.property>
*/
public class OSGiPropertyProcessor implements StAXArtifactProcessor<OSGiProperty> {
private OSGiImplementationFactory factory;
public OSGiPropertyProcessor(FactoryExtensionPoint modelFactories) {
this.factory = modelFactories.getFactory(OSGiImplementationFactory.class);
}
public OSGiProperty read(XMLStreamReader reader, ProcessorContext context) throws XMLStreamException {
int event = reader.getEventType();
OSGiProperty prop = null;
while (true) {
switch (event) {
case START_ELEMENT:
QName name = reader.getName();
if (PROPERTY_QNAME.equals(name)) {
String propName = reader.getAttributeValue(null, NAME);
String propValue = reader.getAttributeValue(null, VALUE);
String propType = reader.getAttributeValue(null, TYPE);
if (propValue == null) {
propValue = reader.getElementText();
}
if (propValue != null) {
propValue = propValue.trim();
}
prop = factory.createOSGiProperty(propName, propValue, propType);
return prop;
}
break;
case END_ELEMENT:
name = reader.getName();
if (PROPERTY_QNAME.equals(name)) {
return prop;
}
break;
}
if (reader.hasNext()) {
event = reader.next();
} else {
return prop;
}
}
}
public QName getArtifactType() {
return PROPERTY_QNAME;
}
public void write(OSGiProperty model, XMLStreamWriter writer, ProcessorContext context) throws ContributionWriteException, XMLStreamException {
if (model.getStringValue() != null) {
writer.writeStartElement(PROPERTY_QNAME.getNamespaceURI(), PROPERTY_QNAME.getLocalPart());
writer.writeAttribute(NAME, model.getName());
if (model.getType() != null) {
writer.writeAttribute(TYPE, model.getType());
}
writer.writeAttribute(VALUE, model.getStringValue());
writer.writeEndElement();
}
}
public Class<OSGiProperty> getModelType() {
return OSGiProperty.class;
}
public void resolve(OSGiProperty model, ModelResolver resolver, ProcessorContext context) throws ContributionResolveException {
// TODO: To be implemented
}
}
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