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/*******************************************************************************
* Copyright (c) 2000, 2006 IBM Corporation and others.
* 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:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.team.internal.ui;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
import org.xml.sax.helpers.DefaultHandler;
public class ProjectSetContentHandler extends DefaultHandler {
boolean inPsf = false;
boolean inProvider = false;
boolean inProject = false;
Map map;
String id;
List references;
boolean isVersionOne = false;
@Override
public void startElement(String namespaceURI, String localName, String qName, Attributes atts) throws SAXException {
String elementName = getElementName(namespaceURI, localName, qName);
if (elementName.equals("psf")) { //$NON-NLS-1$
map = new HashMap();
inPsf = true;
String version = atts.getValue("version"); //$NON-NLS-1$
isVersionOne = version.equals("1.0"); //$NON-NLS-1$
return;
}
if (isVersionOne) return;
if (elementName.equals("provider")) { //$NON-NLS-1$
if (!inPsf) throw new SAXException(TeamUIMessages.ProjectSetContentHandler_Element_provider_must_be_contained_in_element_psf_4);
inProvider = true;
id = atts.getValue("id"); //$NON-NLS-1$
references = new ArrayList();
return;
}
if (elementName.equals("project")) { //$NON-NLS-1$
if (!inProvider) throw new SAXException(TeamUIMessages.ProjectSetContentHandler_Element_project_must_be_contained_in_element_provider_7);
inProject = true;
String reference = atts.getValue("reference"); //$NON-NLS-1$
references.add(reference);
return;
}
}
@Override
public void endElement(String namespaceURI, String localName, String qName) throws SAXException {
String elementName = getElementName(namespaceURI, localName, qName);
if (elementName.equals("psf")) { //$NON-NLS-1$
inPsf = false;
return;
}
if (isVersionOne) return;
if (elementName.equals("provider")) { //$NON-NLS-1$
map.put(id, references);
references = null;
inProvider = false;
return;
}
if (elementName.equals("project")) { //$NON-NLS-1$
inProject = false;
return;
}
}
public Map getReferences() {
return map;
}
public boolean isVersionOne() {
return isVersionOne;
}
/*
* Couldn't figure out from the SAX API exactly when localName vs. qName is used.
* However, the XML for project sets doesn't use namespaces so either of the two names
* is fine. Therefore, use whichever one is provided.
*/
private String getElementName(String namespaceURI, String localName, String qName) {
if (localName != null && localName.length() > 0) {
return localName;
} else {
return qName;
}
}
}
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