VoidVoidDispatchProvider.java

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package com.sun.jersey.server.impl.model.method.dispatch;

import com.sun.jersey.spi.container.JavaMethodInvokerFactory;
import com.sun.jersey.spi.container.JavaMethodInvoker;
import com.sun.jersey.spi.container.ResourceMethodCustomInvokerDispatchProvider;
import com.sun.jersey.spi.container.ResourceMethodDispatchProvider;
import com.sun.jersey.api.core.HttpContext;
import com.sun.jersey.api.model.AbstractResourceMethod;
import com.sun.jersey.spi.dispatch.RequestDispatcher;
import java.lang.reflect.InvocationTargetException;

/**
 * A provider for methods that are marked as void and receiving no args.
 *
 * @author Paul.Sandoz@Sun.Com
 */
public class VoidVoidDispatchProvider implements ResourceMethodDispatchProvider, ResourceMethodCustomInvokerDispatchProvider {
    
    public static final class VoidVoidMethodInvoker extends ResourceJavaMethodDispatcher {
        public VoidVoidMethodInvoker(AbstractResourceMethod abstractResourceMethod) {
            this(abstractResourceMethod, JavaMethodInvokerFactory.getDefault());
        }

        public VoidVoidMethodInvoker(AbstractResourceMethod abstractResourceMethod, JavaMethodInvoker invoker) {
            super(abstractResourceMethod, invoker);
        }

        @Override
        public void _dispatch(Object resource, HttpContext context) 
        throws IllegalAccessException, InvocationTargetException {
            invoker.invoke(method, resource);
        }
    }
    

    @Override
    public RequestDispatcher create(AbstractResourceMethod abstractResourceMethod) {
        return this.create(abstractResourceMethod, JavaMethodInvokerFactory.getDefault());
    }

    @Override
    public RequestDispatcher create(AbstractResourceMethod abstractResourceMethod, JavaMethodInvoker invoker) {
        if (!abstractResourceMethod.getParameters().isEmpty()) return null;
        if (abstractResourceMethod.getReturnType() != void.class) return null;
        
        return new VoidVoidMethodInvoker(abstractResourceMethod, invoker);
    }
}