ch.elca.el4j.web.filter
Class XmlFilter

java.lang.Object
  ch.elca.el4j.web.filter.XmlFilter

All Implemented Interfaces:

javax.servlet.Filter

public final class XmlFilter
extends Object
implements javax.servlet.Filter

Class for filtering xml files. Depending on whether the browser is xslt compatible or not, this filter generates a html page and sends it to the client or lets the browser do the xslt transformation.

Author:

Jacques-Olivier Haenni (JOH)

File-location:

XmlFilter

Last check-in date:

2009-08-04 15:48:31 +0200 (Di, 04. Aug 2009) by swismer for revision 3884

Nested Class Summary

class

XmlFilter.CharResponseWrapper

Constructor Summary

XmlFilter()

Method Summary

void	destroy()
void	doFilter(javax.servlet.ServletRequest request, javax.servlet.ServletResponse response, javax.servlet.FilterChain chain) Apply the xml filter.
void	init(javax.servlet.FilterConfig filterConfig) Initialize xsl templates.

Methods inherited from class java.lang.Object

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

Constructor Detail

XmlFilter

public XmlFilter()

Method Detail

init

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

Initialize xsl templates.

Specified by:

init in interface javax.servlet.Filter

Throws:

javax.servlet.ServletException

destroy

public void destroy()

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 IOException,
                     javax.servlet.ServletException

Apply the xml filter. If the browser is not xslt compatible, this method will generate the html page. Otherwise, the xslt transformation will be handed to the browser.

Specified by:

doFilter in interface javax.servlet.Filter

Throws:

IOException

javax.servlet.ServletException