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com.ibm.portal.resolver.helper
Class CORResolutionService

java.lang.Object
  com.ibm.portal.resolver.helper.CORResolutionService

All Implemented Interfaces:

CORService, ResolutionService

public class CORResolutionService
extends java.lang.Object
implements ResolutionService, CORService

Resolution service that implements itself by dispatching to a resolution service provided by the COR.

Since:

6.0.1

Field Summary
protected  ResolutionService	defaultService           default lookup service
static ResolutionService	SINGLETON           Singleton that can be used to do COR lookups that don't require a fallback

 

Fields inherited from interface com.ibm.portal.resolver.ResolutionService

ATTR_CLASS, DEFAULT_EXTENSION_ID, EXTENSION_POINT_ID

 

Constructor Summary

CORResolutionService()           initialize the resolution service without default resolution service

CORResolutionService(ResolutionService aDefaultService)           Initialize the resolution service passing a default service reference that will be used if no COR service can be found

 

Method Summary
protected  ResolutionService	lookupService(java.net.URI uri, java.lang.Class<ResolutionService> cls, Context ctx)           Uses the COR to find a service that exposes a particular interface.
boolean	resolve(Resolved res, java.net.URI uri, java.lang.String verb, java.util.Map<java.lang.String,java.lang.String[]> params, java.util.Set<Binding> acceptedBindings, Context ctx)           Performs the resolution of the URI into navigational state by modifying the content of the resolved bean.

 

Methods inherited from class java.lang.Object

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

 

Field Detail

SINGLETON

public static final ResolutionService SINGLETON

Singleton that can be used to do COR lookups that don't require a fallback

defaultService

protected final ResolutionService defaultService

default lookup service

Constructor Detail

CORResolutionService

public CORResolutionService()

initialize the resolution service without default resolution service

CORResolutionService

public CORResolutionService(ResolutionService aDefaultService)

Initialize the resolution service passing a default service reference that will be used if no COR service can be found

Parameters:

aDefaultService - default resolution service, may be null

Method Detail

lookupService

protected ResolutionService lookupService(java.net.URI uri,
                                          java.lang.Class<ResolutionService> cls,
                                          Context ctx)
                                   throws org.eclipse.core.runtime.CoreException,
                                          ServiceNotFoundException

Uses the COR to find a service that exposes a particular interface. The fully specified classname of the interface is interpreted as the ID of the service

Parameters:

uri - POC URI to resolve

cls - class object for the service to locate

ctx - COR context

Returns:

Implementation of the service handler for the URI and the specified class

Throws:

org.eclipse.core.runtime.CoreException - - some COR stuff failed

ServiceNotFoundException - - the service could not be located

resolve

public boolean resolve(Resolved res,
                       java.net.URI uri,
                       java.lang.String verb,
                       java.util.Map<java.lang.String,java.lang.String[]> params,
                       java.util.Set<Binding> acceptedBindings,
                       Context ctx)
                throws ResolutionException,
                       StateException

Description copied from interface: ResolutionService

Performs the resolution of the URI into navigational state by modifying the content of the resolved bean. Implementations set the binding and modify the state holder controller that is part of the resolved bean. Implementors can choose to delegate to other service implementations of the resolution service and can pass the same Resolved object around to allow for an aggregation of navigational state modifications of such delegates.

Specified by:

resolve in interface ResolutionService

Parameters:

res - Value object that serves as an in/out parameter and that carries the navigational state.

uri - URI to resolve, not null

verb - resolution verb, may be null

params - additional context parameters that are required to perform the resolution. The map is probably unmodifiable and should not be modified even if it happens to be modifiable. The keys are of type String, the values of type String[].

acceptedBindings - unmodifiable set of the bindings that the caller accepts as results of the resolution process. Each entry in this set is an object that implements the Binding interface.

ctx - Resolution context

Returns:

true if the resolver was able to process the URI, else false. A return value of false does not indicate an error situation. Reasons for not being able to resolve a URI could e.g. be an unsupported binding. Clients can in this case try to resolve the URI on their own or dispatch to a different ResolutionService.

Throws:

ResolutionException - - if the URI cannot be resolved

StateException - - if errors during state modifications occur

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