info.aduna.webapp.filters
Class ResourceRedirectFilter

java.lang.Object
  info.aduna.webapp.filters.ResourceRedirectFilter

All Implemented Interfaces:

javax.servlet.Filter

Direct Known Subclasses:

AliasRedirectFilter, WelcomeRedirectFilter

public abstract class ResourceRedirectFilter
extends Object
implements javax.servlet.Filter

Abstract Filter that redirects requests for one resource to another based on some heuristic to be implemented in subclasses.

Author:

Herko ter Horst

Constructor Summary

ResourceRedirectFilter()

Method Summary

void	destroy()
void	doFilter(javax.servlet.ServletRequest req, javax.servlet.ServletResponse res, javax.servlet.FilterChain chain)
protected abstract String	getCanonicalPath(String originalPath)
protected javax.servlet.FilterConfig	getFilterConfig()
void	init(javax.servlet.FilterConfig config)
protected abstract void	initialize()

Methods inherited from class java.lang.Object

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

Constructor Detail

ResourceRedirectFilter

public ResourceRedirectFilter()

Method Detail

getFilterConfig

protected javax.servlet.FilterConfig getFilterConfig()

initialize

protected abstract void initialize()
                            throws javax.servlet.ServletException

Throws:

javax.servlet.ServletException

getCanonicalPath

protected abstract String getCanonicalPath(String originalPath)

Parameters:

originalPath -

Returns:

the canonical path for the specified original path, or null if the original path should be handled as-is according to this filter

init

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

Specified by:

init in interface javax.servlet.Filter

Throws:

javax.servlet.ServletException

doFilter

public void doFilter(javax.servlet.ServletRequest req,
                     javax.servlet.ServletResponse res,
                     javax.servlet.FilterChain chain)
              throws IOException,
                     javax.servlet.ServletException

Specified by:

doFilter in interface javax.servlet.Filter

Throws:

IOException

javax.servlet.ServletException

destroy

public void destroy()

Specified by:

destroy in interface javax.servlet.Filter