com.oroad.stxx.plugin
Class ActionMappingMatcher

java.lang.Object
  com.oroad.stxx.plugin.ActionMappingMatcher

public class ActionMappingMatcher

extends java.lang.Object

Matches paths against pre-compiled wildcard expressions pulled from action mappings. It uses the wildcard matcher from the Apache Cocoon project. Copied from the Struts-wildcard project.

Author:

Don Brown

Field Summary

protected java.util.List	compiledPaths The compiled paths and their associated ActionMapping's
protected static org.apache.commons.logging.Log	log The logging instance

Constructor Summary

ActionMappingMatcher(org.apache.struts.config.ModuleConfig appConfig)
Finds and precompiles the wildcard patterns from the ActionMapping "path" attributes.

Method Summary

protected org.apache.struts.action.ActionMapping	convertActionMapping(java.lang.String path, org.apache.struts.action.ActionMapping orig, java.util.Map vars) Clones the ActionMapping and its children, replacing various properties with the values of the wildcard-matched strings.
protected java.lang.String	convertParam(java.lang.String val, java.util.Map vars) Inserts into a value wildcard-matched strings where specified.
org.apache.struts.action.ActionMapping	match(java.lang.String path) Matches the path against the compiled wildcard patterns.

Methods inherited from class java.lang.Object

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

Field Detail

log

protected static final org.apache.commons.logging.Log log

The logging instance

compiledPaths

protected java.util.List compiledPaths

The compiled paths and their associated ActionMapping's

Constructor Detail

ActionMappingMatcher

public ActionMappingMatcher(org.apache.struts.config.ModuleConfig appConfig)

Finds and precompiles the wildcard patterns from the ActionMapping "path" attributes. Uses a LinkedHashMap to store the compiled patterns so ActionMapping's will be evaluated in the order they exist in the Struts config file

Parameters:

appConfig - The ModuleConfig we are associated with

Method Detail

match

public org.apache.struts.action.ActionMapping match(java.lang.String path)

Matches the path against the compiled wildcard patterns.

Parameters:

path - The portion of the request URI for selecting a mapping

Returns:

The action mapping if matched, else null

Throws:

IOException - if an input/output error occurs

convertActionMapping

protected org.apache.struts.action.ActionMapping convertActionMapping(java.lang.String path,
                                                                      org.apache.struts.action.ActionMapping orig,
                                                                      java.util.Map vars)

Clones the ActionMapping and its children, replacing various properties with the values of the wildcard-matched strings.

Parameters:

path - The requested path

orig - The original ActionMapping

vars - A Map of wildcard-matched strings

Returns:

A cloned ActionMapping with appropriate properties replaced with wildcard-matched values

convertParam

protected java.lang.String convertParam(java.lang.String val,
                                        java.util.Map vars)

Inserts into a value wildcard-matched strings where specified.

Parameters:

val - The value to convert

vars - A Map of wildcard-matched strings

Returns:

The new value