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The source code// $Header: /home/cvs/jakarta-jmeter/src/htmlparser/org/htmlparser/parserapplications/LinkExtractor.java,v 1.2 2004/02/10 13:41:07 woolfel Exp $ /* * ==================================================================== * Copyright 2002-2004 The Apache Software Foundation. * * Licensed 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. * */ // The developers of JMeter and Apache are greatful to the developers // of HTMLParser for giving Apache Software Foundation a non-exclusive // license. The performance benefits of HTMLParser are clear and the // users of JMeter will benefit from the hard work the HTMLParser // team. For detailed information about HTMLParser, the project is // hosted on sourceforge at http://htmlparser.sourceforge.net/. // // HTMLParser was originally created by Somik Raha in 2000. Since then // a healthy community of users has formed and helped refine the // design so that it is able to tackle the difficult task of parsing // dirty HTML. Derrick Oswald is the current lead developer and was kind // enough to assist JMeter. package org.htmlparser.parserapplications; import org.htmlparser.Node; import org.htmlparser.Parser; import org.htmlparser.tags.LinkTag; import org.htmlparser.util.ParserException; /** * LinkExtractor extracts all the links from the given webpage * and prints them on standard output. */ public class LinkExtractor { private String location; private Parser parser; public LinkExtractor(String location) { this.location = location; try { this.parser = new Parser(location); // Create the parser object parser.registerScanners(); // Register standard scanners (Very Important) } catch (ParserException e) { e.printStackTrace(); } } public void extractLinks() throws ParserException { System.out.println("Parsing " + location + " for links..."); Node[] links = parser.extractAllNodesThatAre(LinkTag.class); for (int i = 0; i < links.length; i++) { LinkTag linkTag = (LinkTag) links[i]; // Print it // System.out.println(linkTag.toString()); System.out.println(linkTag.getLink()); // To extract only mail addresses, uncomment the following line // if (linkTag.isMailLink()) System.out.println(linkTag.getLink()); } } public static void main(String[] args) { if (args.length < 0) { System.err.println( "Syntax Error : Please provide the location(URL or file) to parse"); System.exit(-1); } LinkExtractor linkExtractor = new LinkExtractor(args[0]); try { linkExtractor.extractLinks(); } catch (ParserException e) { e.printStackTrace(); } } } |
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