| /* |
| * 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 |
| * |
| * https://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.ivy.util; |
| |
| import java.util.Stack; |
| |
| import org.xml.sax.Attributes; |
| import org.xml.sax.SAXException; |
| import org.xml.sax.helpers.DefaultHandler; |
| |
| import static org.apache.ivy.util.StringUtils.joinArray; |
| |
| public class ContextualSAXHandler extends DefaultHandler { |
| |
| private Stack<String> contextStack = new Stack<>(); |
| |
| private StringBuilder buffer = new StringBuilder(); |
| |
| @Override |
| public void characters(char[] ch, int start, int length) throws SAXException { |
| buffer.append(ch, start, length); |
| } |
| |
| @Override |
| public void startElement(String uri, String localName, String qName, Attributes attributes) |
| throws SAXException { |
| contextStack.push(qName); |
| buffer.setLength(0); |
| } |
| |
| @Override |
| public void endElement(String uri, String localName, String qName) throws SAXException { |
| contextStack.pop(); |
| buffer.setLength(0); |
| } |
| |
| protected String getContext() { |
| return joinArray(contextStack.toArray(new String[contextStack.size()]), "/"); |
| } |
| |
| protected String getText() { |
| return buffer.toString(); |
| } |
| |
| } |