org.sapia.soto.util
Class SotoResourceHandlerChain

java.lang.Object
  org.sapia.resource.ResourceHandlerChain
      org.sapia.soto.util.SotoResourceHandlerChain

All Implemented Interfaces:

org.sapia.resource.ResourceCapable

public class SotoResourceHandlerChain
extends org.sapia.resource.ResourceHandlerChain

Author:

Yanick Duchesne

Constructor Summary

SotoResourceHandlerChain()

Method Summary

void	addResourceAlias(ResourceAlias alias)
org.sapia.resource.Resource	resolveResource(java.lang.String uri)
org.sapia.resource.ResourceHandler	select(java.lang.String uri) Selects a ResourceHandler from this instance and returns it.

Methods inherited from class org.sapia.resource.ResourceHandlerChain

append, doSelect, prepend

Methods inherited from class java.lang.Object

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

Constructor Detail

SotoResourceHandlerChain

public SotoResourceHandlerChain()

Method Detail

addResourceAlias

public void addResourceAlias(ResourceAlias alias)

Parameters:

alias - a ResourceAlias

resolveResource

public org.sapia.resource.Resource resolveResource(java.lang.String uri)
                                            throws org.sapia.resource.ResourceNotFoundException,
                                                   java.io.IOException

Specified by:

resolveResource in interface org.sapia.resource.ResourceCapable

Overrides:

resolveResource in class org.sapia.resource.ResourceHandlerChain

Throws:

org.sapia.resource.ResourceNotFoundException

java.io.IOException

select

public org.sapia.resource.ResourceHandler select(java.lang.String uri)

Selects a ResourceHandler from this instance and returns it. The handler is chose based on the given URI.

This instance traverses its handlers, calling the accepts() method on them (the method takes the given URI as a parameter). The first handler that "accepts" the URI (by returning true) is returned to the caller. If no handler as accepted the URI, null is returned.

Overrides:

select in class org.sapia.resource.ResourceHandlerChain

Parameters:

uri - a URI.

Returns:

a ResourceHandler , or null if no handler could be found for the given URI.