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Listing 7: DocbookHandler
package org.ananas.hc.test;
import java.io.*;
import org.xml.sax.*;
import org.ananas.hc.*;
import org.xml.sax.helpers.*;
/**
* @xmlns http://ananas.org/2002/docbook
*/
public class DocbookHandler
implements org.ananas.hc.HCHandler
{
protected PrintWriter writer;
protected String title;
public DocbookHandler()
{
this(null);
if(writer == null)
{
System.out.println("error");
System.exit(0);
}
}
public DocbookHandler(PrintWriter writer)
{
if(writer == null)
this.writer = new PrintWriter(new OutputStreamWriter(System.out));
else
this.writer = writer;
}
/**
* @xpath /
*/
public void startHTML()
{
title = null;
writer.println("<html>");
}
/**
* @xpath /
*/
public void endHTML()
{
writer.println("</body>");
writer.print("</html>");
writer.flush();
}
/**
* @xpath articleinfo
*/
public void endInfo()
{
writer.println("<body>");
}
/**
* @xpath para
*/
public void startPara()
{
writer.print("<p>");
}
/**
* @xpath para
*/
public void endPara()
{
writer.println("</p>");
}
/**
* @xpath para
* @xpath ulink
*/
public void characters(char[] ch,int offset,int len)
{
writer.write(ch,offset,len);
}
/**
* @xpath articleinfo/title
*/
public void charactersTitle(String title)
{
this.title = title;
}
/**
* @xpath ulink
*/
public void startULink(Attributes atts)
{
writer.print("<a href='");
writer.print(atts.getValue("uri"));
writer.print("'>");
}
/**
* @xpath ulink
*/
public void endULink()
{
writer.print("</a>");
}
/**
* @xpath articleinfo/title
*/
public void endArticleTitle()
{
writer.print("<header><title>");
writer.print(title);
writer.println("</title></header>");
writer.print("<h1>");
writer.print(title);
writer.println("</h1>");
}
public static void main(String[] params)
{
try
{
XMLReader xparser = XMLReaderFactory.createXMLReader("org.apache.xerces.parsers.SAXParser");
if(params.length > 1)
{
PrintWriter writer = new PrintWriter(new FileWriter(params[1]));
xparser.setContentHandler(new XPathHandler(new DocbookHandler(writer)));
}
else
xparser.setContentHandler(new XPathHandler(new DocbookHandler()));
xparser.parse(new InputSource(params[0]));
}
catch(SAXException e)
{
if(e.getException() != null)
e.getException().printStackTrace();
else
e.printStackTrace();
}
catch(IOException e)
{
e.printStackTrace();
}
}
}
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