| /******************************************************************************* |
| * Copyright (c) 2000, 2006 IBM Corporation and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * 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<String, List<String>> map; |
| String id; |
| List<String> 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<String, List<String>> 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; |
| } |
| } |
| } |