/*******************************************************************************
* Copyright (c) 2008, 2009 Spring IDE Developers
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Spring IDE Developers - initial API and implementation
*******************************************************************************/
package org.springframework.ide.eclipse.beans.core.internal.model;
import java.util.HashSet;
import java.util.Set;
import org.eclipse.core.resources.IProject;
import org.springframework.beans.factory.parsing.SourceExtractor;
import org.springframework.core.io.Resource;
import org.springframework.ide.eclipse.core.java.classreading.JdtSourceExtractor;
import org.springframework.ide.eclipse.core.model.java.JavaSourceExtractor;
import org.springframework.ide.eclipse.core.model.xml.XmlSourceExtractor;
/**
* Composite {@link SourceExtractor} implementation that internally delegates to
* a {@link XmlSourceExtractor} and {@link JavaSourceExtractor} to do the source
* extraction.
* @author Christian Dupuis
* @since 2.0.3
*/
public class DelegatingSourceExtractor implements SourceExtractor {
private Set<SourceExtractor> sourceExtractors;
public DelegatingSourceExtractor(IProject project) {
this.sourceExtractors = new HashSet<SourceExtractor>();
this.sourceExtractors.add(new XmlSourceExtractor());
this.sourceExtractors.add(new JavaSourceExtractor(project));
this.sourceExtractors.add(new JdtSourceExtractor());
}
public Object extractSource(Object sourceCandidate,
Resource definingResource) {
if (sourceCandidate != null) {
for (SourceExtractor sourceExtractor : sourceExtractors) {
Object object = sourceExtractor.extractSource(sourceCandidate,
definingResource);
if (!sourceCandidate.equals(object)) {
return object;
}
}
}
return sourceCandidate;
}
}