com.supermap.services.rest

Class AbstractMethodHandler

java.lang.Object

com.supermap.services.rest.AbstractMethodHandler

Direct Known Subclasses:

DefaultMethodHandler, WMTSMethodHandler

public abstract class AbstractMethodHandler
extends java.lang.Object

HTTP request processing abstract class.

Both the default and extended HTTP request processing classes inherit this class. For example, the process of customizing the HTTP request handler is as follows:

1. Inherits AbstractMethodHandler, achieving the handling of HTTP requests (handleGet method, etc.).
2. Registers the implementation class as a component in AppContext.xml. That is adding a & lt; bean / & gt; node.
3. Configures resources in Resources.xml to extend the HTTP request handler. Is configured in the & lt; extensionHttpActionHandlerBeanName / & gt; child node of the & lt; resource / & gt; node.

A simple extension of the HTTP request processing class is implemented as follows, the processor only handles GET requests and generates only XML-formatted representations:

 public class MyMethodHandler extends AbstractMethodHandler {
 public void handleGet(ResourceBase targetResource, Request request, Response response) {
 // TODO Auto-generated method stub
 Encoder encoder = null;
 if (targetResource.isResourceExist()) {
 //Forced to use the XML expression generators.
 encoder = new XMLEncoder();
 Object content = targetResource.getResourceContent();
 if (content != null) {
 // Regardless of the request, the representation of the XML-formatted resource is returned.
 Representation entity = encoder.toRepresentation(MediaType.TEXT_XML, content);
 response.setEntity(entity);
 response.setStatus(Status.SUCCESS_OK);
 } else {
 // Resources are not shown.
 response.setStatus(Status.SUCCESS_NO_CONTENT);
 }
 } else {
 // There is no exception in processing resources.
 response.setStatus(Status.CLIENT_ERROR_NOT_FOUND);
 }
 }
 public void handleHead(ResourceBase arg0, Request arg1, Response arg2) {
 // TODO Auto-generated method stub
 }
 public void handleOptions(ResourceBase arg0, Request arg1, Response arg2) {
 // TODO Auto-generated method stub
 }
 public void handlePost(ResourceBase arg0, Request arg1, Response arg2) {
 // TODO Auto-generated method stub
 }
 public void handlePut(ResourceBase arg0, Request arg1, Response arg2) {
 // TODO Auto-generated method stub
 }
 public void handleDelete(ResourceBase arg0, Request arg1, Response arg2) {
 }
 }
 

Constructor Summary

Constructors

Constructor and Description
AbstractMethodHandler()

Method Summary

Methods

Modifier and Type	Method and Description
abstract void	handleDelete(ResourceBase targetResource, Request request, Response response) ${services_rest_MethodHandler_method_handleDelete_Title}
abstract void	handleGet(ResourceBase targetResource, Request request, Response response) ${services_rest_MethodHandler_method_handleGet_Title}
abstract void	handleHead(ResourceBase targetResource, Request request, Response response) ${services_rest_MethodHandler_method_handleHead_Title}
abstract void	handleOptions(ResourceBase targetResource, Request request, Response response) ${services_rest_MethodHandler_method_handleOptions_Title}
abstract void	handlePost(ResourceBase targetResource, Request request, Response response) ${services_rest_MethodHandler_method_handlePost_Title}
abstract void	handlePut(ResourceBase targetResource, Request request, Response response) ${services_rest_MethodHandler_method_handlePut_Title}

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractMethodHandler

public AbstractMethodHandler()

Method Detail

handleGet

public abstract void handleGet(ResourceBase targetResource,
             Request request,
             Response response)

${services_rest_MethodHandler_method_handleGet_Title}

${services_rest_MethodHandler_method_handleGet_Description}

Parameters:

targetResource - ${services_rest_MethodHandler_method_handleGet_param_targetResource}

request - ${services_rest_MethodHandler_method_handleGet_param_request}

response - ${services_rest_MethodHandler_method_handleGet_param_response}

handlePut

public abstract void handlePut(ResourceBase targetResource,
             Request request,
             Response response)

${services_rest_MethodHandler_method_handlePut_Title}

${services_rest_MethodHandler_method_handlePut_Description}

Parameters:

targetResource - ${services_rest_MethodHandler_method_handlePut_param_targetResource}

request - ${services_rest_MethodHandler_method_handlePut_param_request}

response - ${services_rest_MethodHandler_method_handlePut_param_response}

handlePost

public abstract void handlePost(ResourceBase targetResource,
              Request request,
              Response response)

${services_rest_MethodHandler_method_handlePost_Title}

${services_rest_MethodHandler_method_handlePost_Description}

Parameters:

targetResource - ${services_rest_MethodHandler_method_handlePost_param_targetResource}

request - ${services_rest_MethodHandler_method_handlePost_param_request}

response - ${services_rest_MethodHandler_method_handlePost_param_response}

handleDelete

public abstract void handleDelete(ResourceBase targetResource,
                Request request,
                Response response)

${services_rest_MethodHandler_method_handleDelete_Title}

${services_rest_MethodHandler_method_handleDelete_Description}

Parameters:

targetResource - ${services_rest_MethodHandler_method_handleDelete_param_targetResource}

request - ${services_rest_MethodHandler_method_handleDelete_param_request}

response - ${services_rest_MethodHandler_method_handleDelete_param_response}

handleHead

public abstract void handleHead(ResourceBase targetResource,
              Request request,
              Response response)

${services_rest_MethodHandler_method_handleHead_Title}

${services_rest_MethodHandler_method_handleHead_Description}

Parameters:

targetResource - ${services_rest_MethodHandler_method_handleHead_param_targetResource}

request - ${services_rest_MethodHandler_method_handleHead_param_request}

response - ${services_rest_MethodHandler_method_handleHead_param_response}

handleOptions

public abstract void handleOptions(ResourceBase targetResource,
                 Request request,
                 Response response)

${services_rest_MethodHandler_method_handleOptions_Title}

${services_rest_MethodHandler_method_handleOptions_Description}

Parameters:

targetResource - ${services_rest_MethodHandler_method_handleOptions_param_targetResource}

request - ${services_rest_MethodHandler_method_handleOptions_param_request}

response - ${services_rest_MethodHandler_method_handleOptions_param_response}