| /******************************************************************************* |
| * Copyright (c) 2000, 2005 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.jdt.internal.ui.javadocexport; |
| |
| import java.io.BufferedInputStream; |
| import java.io.IOException; |
| import java.io.InputStream; |
| |
| import javax.xml.parsers.DocumentBuilder; |
| import javax.xml.parsers.DocumentBuilderFactory; |
| import javax.xml.parsers.ParserConfigurationException; |
| |
| import org.w3c.dom.Element; |
| import org.w3c.dom.Node; |
| import org.w3c.dom.NodeList; |
| import org.xml.sax.InputSource; |
| import org.xml.sax.SAXException; |
| |
| import org.eclipse.jdt.internal.corext.Assert; |
| |
| /** |
| * Reads data from an InputStream and returns a JarPackage |
| */ |
| public class JavadocReader extends Object { |
| |
| private InputStream fInputStream; |
| |
| /** |
| * Reads a Javadoc Ant Script from the underlying stream. |
| * It is the client's responsibility to close the stream. |
| */ |
| public JavadocReader(InputStream inputStream) { |
| Assert.isNotNull(inputStream); |
| fInputStream= new BufferedInputStream(inputStream); |
| } |
| |
| /** |
| * Closes this stream. |
| * It is the clients responsibility to close the stream. |
| * |
| * @exception IOException |
| */ |
| public void close() throws IOException { |
| if (fInputStream != null) |
| fInputStream.close(); |
| } |
| |
| public Element readXML() throws IOException, SAXException { |
| |
| DocumentBuilderFactory factory= DocumentBuilderFactory.newInstance(); |
| factory.setValidating(false); |
| DocumentBuilder parser= null; |
| try { |
| parser= factory.newDocumentBuilder(); |
| } catch (ParserConfigurationException ex) { |
| throw new IOException(ex.getMessage()); |
| } finally { |
| // Note: Above code is OK since clients are responsible to close the stream |
| } |
| |
| //find the project associated with the ant script |
| Element xmlJavadocDesc= parser.parse(new InputSource(fInputStream)).getDocumentElement(); |
| |
| NodeList targets= xmlJavadocDesc.getChildNodes(); |
| |
| for (int i= 0; i < targets.getLength(); i++) { |
| Node target= targets.item(i); |
| |
| //look through the XML file for the javadoc task |
| if (target.getNodeName().equals("target")) { //$NON-NLS-1$ |
| NodeList children= target.getChildNodes(); |
| for (int j= 0; j < children.getLength(); j++) { |
| Node child= children.item(j); |
| if (child.getNodeName().equals("javadoc") && (child.getNodeType() == Node.ELEMENT_NODE)) { //$NON-NLS-1$ |
| return (Element) child; |
| } |
| } |
| } |
| |
| } |
| return null; |
| } |
| |
| } |