ccc.web.filters
Class LegacyLinkFilter

java.lang.Object
  ccc.web.filters.LegacyLinkFilter

All Implemented Interfaces:

javax.servlet.Filter

public final class LegacyLinkFilter
extends java.lang.Object
implements javax.servlet.Filter

A servlet to redirect old CCC6 URLs to the corresponding CCC7 url.
Supports links in the following forms:
- /2334.html
- /233.4.63.html
- /files/my%20file.txt
- /images/my%20image.jpg
- /foo?p_service=Content.show&p_applic=CCC&pContentID=557

Author:

Civic Computing Ltd.

Field Summary

static java.util.regex.Pattern	FILE_PATTERN FILE_PATTERN : Pattern.
static java.util.regex.Pattern	IMAGE_PATTERN IMAGE_PATTERN : Pattern.
static java.util.regex.Pattern	PAGE_PATTERN PAGE_PATTERN : Pattern.

Constructor Summary

LegacyLinkFilter()
Constructor.

LegacyLinkFilter(Resources resources)
Constructor.

Method Summary

void	destroy()
void	doFilter(javax.servlet.ServletRequest request, javax.servlet.ServletResponse response, javax.servlet.FilterChain chain)
void	init(javax.servlet.FilterConfig filterConfig)
protected boolean	isController(java.util.Map<java.lang.String,java.lang.String> queryParams) Determine whether the request is for a CCC6 controller.

Methods inherited from class java.lang.Object

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

Field Detail

PAGE_PATTERN

public static final java.util.regex.Pattern PAGE_PATTERN

PAGE_PATTERN : Pattern.

FILE_PATTERN

public static final java.util.regex.Pattern FILE_PATTERN

FILE_PATTERN : Pattern.

IMAGE_PATTERN

public static final java.util.regex.Pattern IMAGE_PATTERN

IMAGE_PATTERN : Pattern.

Constructor Detail

LegacyLinkFilter

public LegacyLinkFilter()

Constructor.

LegacyLinkFilter

public LegacyLinkFilter(Resources resources)

Constructor.

Parameters:

resources - The resource API for this filter.

Method Detail

doFilter

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

Specified by:

doFilter in interface javax.servlet.Filter

Throws:

java.io.IOException

javax.servlet.ServletException

isController

protected boolean isController(java.util.Map<java.lang.String,java.lang.String> queryParams)

Determine whether the request is for a CCC6 controller.

Parameters:

queryParams - The requeste's query parameters.

Returns:

True if the request is to a CCC6 controller, false otherwise.

destroy

public void destroy()

Specified by:

destroy in interface javax.servlet.Filter

init

public void init(javax.servlet.FilterConfig filterConfig)

Specified by:

init in interface javax.servlet.Filter