com.sun.jersey.server.impl.model.method.dispatch.HttpReqResDispatchProvider Maven / Gradle / Ivy
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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.core.HttpRequestContext;
import com.sun.jersey.api.core.HttpResponseContext;
import com.sun.jersey.api.model.AbstractResourceMethod;
import com.sun.jersey.spi.dispatch.RequestDispatcher;
import java.lang.reflect.InvocationTargetException;
import java.util.Arrays;
/**
* A dispatch provider implementation that answers to methods with a return
* definition of void, receiving only HttpRequestContext and HttpResponseContext
* (a service alike method).
*
* @author [email protected]
*/
public class HttpReqResDispatchProvider implements ResourceMethodDispatchProvider, ResourceMethodCustomInvokerDispatchProvider {
@SuppressWarnings("unchecked")
private static final Class[] EXPECTED_METHOD_PARAMS = new Class[]{HttpRequestContext.class, HttpResponseContext.class};
static final class HttpReqResDispatcher extends ResourceJavaMethodDispatcher {
HttpReqResDispatcher(AbstractResourceMethod abstractResourceMethod) {
this(abstractResourceMethod, JavaMethodInvokerFactory.getDefault());
}
HttpReqResDispatcher(AbstractResourceMethod abstractResourceMethod, JavaMethodInvoker invoker) {
super(abstractResourceMethod, invoker);
}
@Override
public void _dispatch(Object resource, HttpContext context) throws InvocationTargetException, IllegalAccessException {
invoker.invoke(method, resource, context.getRequest(), context.getResponse());
}
}
@Override
public RequestDispatcher create(AbstractResourceMethod abstractResourceMethod) {
return this.create(abstractResourceMethod, JavaMethodInvokerFactory.getDefault());
}
@Override
public RequestDispatcher create(AbstractResourceMethod abstractResourceMethod, JavaMethodInvoker invoker) {
// TODO: add return type to ARM
if (abstractResourceMethod.getMethod().getReturnType() != void.class) return null;
// TODO: use ARM getParams instead
Class[] parameters = abstractResourceMethod.getMethod().getParameterTypes();
if (!Arrays.deepEquals(parameters, EXPECTED_METHOD_PARAMS)) return null;
return new HttpReqResDispatcher(abstractResourceMethod, invoker);
}
}