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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.core.loader;
import javax.xml.namespace.QName;
import javax.xml.stream.XMLStreamConstants;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamReader;
import org.apache.tuscany.spi.annotation.Autowire;
import org.apache.tuscany.spi.component.CompositeComponent;
import org.apache.tuscany.spi.deployer.DeploymentContext;
import org.apache.tuscany.spi.extension.LoaderExtension;
import org.apache.tuscany.spi.loader.LoaderException;
import org.apache.tuscany.spi.loader.LoaderRegistry;
import org.apache.tuscany.spi.loader.UnrecognizedElementException;
import org.apache.tuscany.spi.model.ModelObject;
import org.apache.tuscany.spi.services.artifact.Artifact;
import org.apache.tuscany.core.implementation.composite.Dependency;
/**
* Loader for handling <dependency> elements.
*
* @version $Rev$ $Date$
*/
public class DependencyLoader extends LoaderExtension<Dependency> {
private static final String NS = "http://tuscany.apache.org/xmlns/1.0-SNAPSHOT";
private static final QName DEPENDENCY = new QName(NS, "dependency");
private static final QName GROUP = new QName(NS, "group");
private static final QName NAME = new QName(NS, "name");
private static final QName VERSION = new QName(NS, "version");
private static final QName CLASSIFIER = new QName(NS, "classifier");
private static final QName TYPE = new QName(NS, "type");
public DependencyLoader(@Autowire LoaderRegistry registry) {
super(registry);
}
public QName getXMLType() {
return DEPENDENCY;
}
public Dependency load(CompositeComponent parent,
ModelObject object,
XMLStreamReader reader,
DeploymentContext deploymentContext)
throws XMLStreamException, LoaderException {
Artifact artifact = new Artifact();
while (reader.nextTag() == XMLStreamConstants.START_ELEMENT) {
QName name = reader.getName();
String text = reader.getElementText();
if (GROUP.equals(name)) {
artifact.setGroup(text);
} else if (NAME.equals(name)) {
artifact.setName(text);
} else if (VERSION.equals(name)) {
artifact.setVersion(text);
} else if (CLASSIFIER.equals(name)) {
artifact.setClassifier(text);
} else if (TYPE.equals(name)) {
artifact.setType(text);
} else {
throw new UnrecognizedElementException(name);
}
}
Dependency dependency = new Dependency();
dependency.setArtifact(artifact);
return dependency;
}
}
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