org.ejtools.servlet.http
Class XSLFilter

java.lang.Object
  |
  +--org.ejtools.servlet.http.XSLFilter

All Implemented Interfaces:

javax.servlet.Filter

public class XSLFilter

extends java.lang.Object

implements javax.servlet.Filter

HTTP Servlet filter that applies a XSL stylesheet on a XML stream.

Version:

$Revision: 1.3 $

Author:

Laurent Etiemble

Field Summary

protected javax.servlet.FilterConfig	config Filter configuration
protected java.lang.String	contentType Content type of the output
protected static org.apache.log4j.Logger	logger Log4j Logger
protected java.lang.String	stylePath Absolute path the stylesheet
protected javax.xml.transform.Transformer	transformer XSL transformer

Constructor Summary

XSLFilter()

Method Summary

void	destroy() Destroy the filter
void	doFilter(javax.servlet.ServletRequest request, javax.servlet.ServletResponse response, javax.servlet.FilterChain chain) Main method of the filter
void	init(javax.servlet.FilterConfig config) Performs the initialization of the filter

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

config

protected javax.servlet.FilterConfig config

Filter configuration

contentType

protected java.lang.String contentType

Content type of the output

stylePath

protected java.lang.String stylePath

Absolute path the stylesheet

transformer

protected javax.xml.transform.Transformer transformer

XSL transformer

logger

protected static org.apache.log4j.Logger logger

Log4j Logger

Constructor Detail

XSLFilter

public XSLFilter()

Method Detail

destroy

public void destroy()

Destroy the filter

Specified by:

destroy in interface javax.servlet.Filter

doFilter

public void doFilter(javax.servlet.ServletRequest request,
                     javax.servlet.ServletResponse response,
                     javax.servlet.FilterChain chain)
              throws java.io.IOException,
                     javax.servlet.ServletException

Main method of the filter

Specified by:

doFilter in interface javax.servlet.Filter

Parameters:

request - Incoming request

response - Outgoing response

chain - Filter chain to forward the request and the response

Throws:

java.io.IOException - In case of error

javax.servlet.ServletException - In case of error

init

public void init(javax.servlet.FilterConfig config)
          throws javax.servlet.ServletException

Performs the initialization of the filter

Specified by:

init in interface javax.servlet.Filter

Parameters:

config - The filter configuration

Throws:

javax.servlet.ServletException - Exception thrown if the filter was not properly configured