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<?xml version="1.0" encoding="iso-8859-1"?>
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"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<!-- $Id: head.tmpl,v 1.5 2002/12/15 01:30:47 carstenklapp Exp $ -->
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
<meta name="robots" content="index,follow" />
<meta name="keywords" content="Lexer Links, PhpWiki" />
<meta name="language" content="" />
<meta name="document-type" content="Public" />
<meta name="document-rating" content="General" />
<meta name="generator" content="phpWiki" />
<meta name="PHPWIKI_VERSION" content="1.3.4" />
<link rel="shortcut icon" href="/wiki/themes/default/images/favicon.ico" />
<link rel="home" title="HomePage" href="HomePage" />
<link rel="help" title="HowToUseWiki" href="HowToUseWiki" />
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<link rel="author" title="The PhpWiki Programming Team" href="http://phpwiki.sourceforge.net/phpwiki/ThePhpWikiProgrammingTeam" />
<link rel="search" title="FindPage" href="FindPage" />
<link rel="alternate" title="View Source: LexerLinks" href="LexerLinks?action=viewsource&version=4" />
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<!--
body {background-image: url(/wiki/themes/MacOSX/images/bgpaper8.png);}
-->
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<title>PhpWiki - Lexer Links</title>
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<div class="wikitext"><p><b>Using a Lexer to Extract Links</b></p>
<p>If you are after raw link text only, then you can use a Lexer to access the links:</p>
<pre>
import java.io.IOException;
import java.net.URL;
import java.net.URLConnection;
import org.htmlparser.Node;
import org.htmlparser.lexer.Lexer;
import org.htmlparser.lexer.nodes.TagNode;
import org.htmlparser.util.ParserException;
public class LinkDemo
{
public static void main (String[] args) throws ParserException, IOException
{
Node node;
URL url = new URL ("http://urlIWantToParse.com");
URLConnection connection = url.openConnection ();
Lexer lexer = new Lexer (connection);
while (null != (node = lexer.nextNode ()))
if (node instanceof TagNode)
{
TagNode tag = (TagNode)node;
if (tag.getTagName ().equals ("A") && !tag.isEndTag ())
{
String href = tag.getAttribute ("href");
if (null != href)
System.out.println (href);
}
}
}
}</pre>
</div>
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