| /* |
| * 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.sling.tooling.support.source.impl; |
| |
| import java.util.ArrayList; |
| import java.util.Deque; |
| import java.util.LinkedList; |
| import java.util.List; |
| |
| import org.xml.sax.Attributes; |
| import org.xml.sax.SAXException; |
| import org.xml.sax.helpers.DefaultHandler; |
| |
| final class PomHandler extends DefaultHandler { |
| private final String jettyVersion; |
| |
| // state |
| private Deque<String> elements = new LinkedList<String>(); |
| private String artifactId; |
| private String groupId; |
| private String version; |
| |
| // output |
| private List<SourceReference> references = new ArrayList<SourceReference>(); |
| |
| PomHandler(String jettyVersion) { |
| this.jettyVersion = jettyVersion; |
| } |
| |
| @Override |
| public void startElement(String uri, String localName, String qName, Attributes attributes) |
| throws SAXException { |
| elements.add(qName); |
| } |
| |
| @Override |
| public void characters(char[] ch, int start, int length) throws SAXException { |
| |
| // project/dependencies/dependency/${tag} |
| if ( elements.size() != 4 ) { |
| return; |
| } |
| |
| String tagName = elements.peekLast(); |
| |
| if ( tagName.equals("artifactId")) { |
| artifactId = new String(ch, start, length); |
| } else if ( tagName.equals("groupId")) { |
| groupId = new String(ch, start, length); |
| } else if ( tagName.equals("version")) { |
| version = new String(ch, start, length); |
| } |
| |
| } |
| |
| @Override |
| public void endElement(String uri, String localName, String qName) throws SAXException { |
| |
| // project/dependencies/dependency |
| if ( elements.size() == 3 && qName.equals("dependency")) { |
| if ( groupId.startsWith("org.eclipse.jetty")) { |
| references.add(new SourceReference(groupId, artifactId, jettyVersion)); |
| } else if ( groupId.startsWith("org.apache.felix")) { |
| references.add(new SourceReference(groupId, artifactId, version)); |
| } |
| |
| artifactId = null; |
| groupId = null; |
| version = null; |
| } |
| |
| |
| elements.removeLast(); |
| } |
| |
| public List<SourceReference> getReferences() { |
| return references; |
| } |
| } |