1 /* 2 * Copyright (C) 2009 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package tests.support; 18 19 import java.io.ByteArrayInputStream; 20 import javax.xml.parsers.DocumentBuilder; 21 import javax.xml.parsers.DocumentBuilderFactory; 22 import org.w3c.dom.Document; 23 import org.w3c.dom.Element; 24 import org.w3c.dom.Node; 25 import org.w3c.dom.NodeList; 26 import static junit.framework.Assert.assertEquals; 27 28 public class Support_Xml { 29 public static Document domOf(String xml) throws Exception { 30 // DocumentBuilderTest assumes we're using DocumentBuilder to do this parsing! 31 DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance(); 32 dbf.setCoalescing(true); 33 dbf.setExpandEntityReferences(true); 34 35 ByteArrayInputStream stream = new ByteArrayInputStream(xml.getBytes()); 36 DocumentBuilder builder = dbf.newDocumentBuilder(); 37 38 return builder.parse(stream); 39 } 40 41 public static String firstChildTextOf(Document doc) throws Exception { 42 NodeList children = doc.getFirstChild().getChildNodes(); 43 assertEquals(1, children.getLength()); 44 return children.item(0).getNodeValue(); 45 } 46 47 public static Element firstElementOf(Document doc) throws Exception { 48 return (Element) doc.getFirstChild(); 49 } 50 51 public static String attrOf(Element e) throws Exception { 52 return e.getAttribute("attr"); 53 } 54 } 55
