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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.contribution.namespace.impl;
import static javax.xml.stream.XMLStreamConstants.START_ELEMENT;
import javax.xml.namespace.QName;
import javax.xml.stream.XMLStreamConstants;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamReader;
import javax.xml.stream.XMLStreamWriter;
import org.apache.tuscany.sca.contribution.ModelFactoryExtensionPoint;
import org.apache.tuscany.sca.contribution.namespace.NamespaceExport;
import org.apache.tuscany.sca.contribution.namespace.NamespaceImportExportFactory;
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;
/**
* Artifact processor for Namespace export
*
* @version $Rev$ $Date$
*/
public class NamespaceExportProcessor implements StAXArtifactProcessor<NamespaceExport> {
private static final String SCA10_NS = "http://www.osoa.org/xmlns/sca/1.0";
private static final QName EXPORT = new QName(SCA10_NS, "export");
private static final String NAMESPACE = "namespace";
private final NamespaceImportExportFactory factory;
public NamespaceExportProcessor(ModelFactoryExtensionPoint modelFactories) {
super();
this.factory = modelFactories.getFactory(NamespaceImportExportFactory.class);
}
public QName getArtifactType() {
return EXPORT;
}
public Class<NamespaceExport> getModelType() {
return NamespaceExport.class;
}
/**
* Process <export namespace=""/>
*/
public NamespaceExport read(XMLStreamReader reader) throws ContributionReadException, XMLStreamException {
NamespaceExport namespaceExport = this.factory.createNamespaceExport();
QName element = null;
while (reader.hasNext()) {
int event = reader.getEventType();
switch (event) {
case START_ELEMENT:
element = reader.getName();
if (EXPORT.equals(element)) {
String ns = reader.getAttributeValue(null, NAMESPACE);
if (ns == null) {
throw new ContributionReadException("Attribute 'namespace' is missing");
}
namespaceExport.setNamespace(ns);
}
break;
case XMLStreamConstants.END_ELEMENT:
if (EXPORT.equals(reader.getName())) {
return namespaceExport;
}
break;
}
//Read the next element
if (reader.hasNext()) {
reader.next();
}
}
return namespaceExport;
}
public void write(NamespaceExport model, XMLStreamWriter outputSource) throws ContributionWriteException, XMLStreamException {
}
public void resolve(NamespaceExport model, ModelResolver resolver) throws ContributionResolveException {
}
}
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