org.everrest.core.impl

Class RequestDispatcher

java.lang.Object

org.everrest.core.impl.RequestDispatcher

public class RequestDispatcher
extends Object

Lookup resource which can serve request.

Author:

andrew00x

Field Summary

Fields

Modifier and Type	Field and Description
protected ResourceBinder	resourceBinder See ResourceBinder.

Constructor Summary

Constructors

Constructor and Description
RequestDispatcher(ResourceBinder resourceBinder) Constructs new instance of RequestDispatcher.

Method Summary

Modifier and Type	Method and Description
void	dispatch(GenericContainerRequest request, GenericContainerResponse response) Dispatch ContainerRequest to resource which can serve request.
protected void	dispatch(GenericContainerRequest request, GenericContainerResponse response, ApplicationContext context, ObjectFactory<AbstractResourceDescriptor> resourceFactory, Object resource, String requestPath) Process resource methods, sub-resource methods and sub-resource locators to find the best one for serve request.
protected static String	getPathTail(List<String> parameterValues) Get last element from path parameters.
protected ObjectFactory<AbstractResourceDescriptor>	getRootResource(List<String> parameterValues, String requestPath) Get root resource.

Methods inherited from class java.lang.Object

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

Field Detail

resourceBinder

protected final ResourceBinder resourceBinder

See ResourceBinder.

Constructor Detail

RequestDispatcher

public RequestDispatcher(ResourceBinder resourceBinder)

Constructs new instance of RequestDispatcher.

Parameters:

resourceBinder - See ResourceBinder

Method Detail

dispatch

public void dispatch(GenericContainerRequest request,
                     GenericContainerResponse response)

Dispatch ContainerRequest to resource which can serve request.

Parameters:

request - See GenericContainerRequest

response - See GenericContainerResponse

getPathTail

protected static String getPathTail(List<String> parameterValues)

Get last element from path parameters. This element will be used as request path for child resources.

Parameters:

parameterValues - See ApplicationContextImpl.getParameterValues()

Returns:

last element from given list or empty string if last element is null

dispatch

protected void dispatch(GenericContainerRequest request,
                        GenericContainerResponse response,
                        ApplicationContext context,
                        ObjectFactory<AbstractResourceDescriptor> resourceFactory,
                        Object resource,
                        String requestPath)

Process resource methods, sub-resource methods and sub-resource locators to find the best one for serve request.

Parameters:

request - See GenericContainerRequest

response - See GenericContainerResponse

context - See ApplicationContextImpl

resourceFactory - the root resource factory or resource factory which was created by previous sub-resource locator

resource - instance of resource class

requestPath - request path, it is relative path to the base URI or other resource which was called before (one of sub-resource locators)

getRootResource

protected ObjectFactory<AbstractResourceDescriptor> getRootResource(List<String> parameterValues,
                                                                    String requestPath)

Get root resource.

Parameters:

parameterValues - is taken from context

requestPath - is taken from context

Returns:

root resource

Throws:

javax.ws.rs.WebApplicationException - if there is no matched root resources. Exception with prepared error response with 'Not Found' status