javax.net.websocket.annotations.WebSocketPathParam Maven / Gradle / Ivy
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//
// ========================================================================
// Copyright (c) 1995-2012 Mort Bay Consulting Pty. Ltd.
// ------------------------------------------------------------------------
// All rights reserved. This program and the accompanying materials
// are made available under the terms of the Eclipse Public License v1.0
// and Apache License v2.0 which accompanies this distribution.
//
// The Eclipse Public License is available at
// http://www.eclipse.org/legal/epl-v10.html
//
// The Apache License v2.0 is available at
// http://www.opensource.org/licenses/apache2.0.php
//
// You may elect to redistribute this code under either of these licenses.
// ========================================================================
//
package javax.net.websocket.annotations;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
/**
* This annotation may be used to annotate method parameters on web socket POJOs
* where a URI-template has been used in the path-mapping of the
* WebSocketEndpoint annotation.
*
* For example:- * For example:
*
*
* @WebSocketEndpoint("/bookings/{guest-id}");
* public class BookingServer {
* @WebSocketMessage
* public void processBookingRequest(@WebSocketPathParam("guest-id") String guestID, String message, Session session) {
* // process booking from the given guest here
* }
* }
*
*/
@Retention(RetentionPolicy.RUNTIME)
@Target(ElementType.PARAMETER)
public @interface WebSocketPathParam {
/**
* The name of the variable used in the URI-template. If the name does not
* match a path variable in the URI-template, the value of the method
* parameter this annotation annotates is null.
*
* @return the value
*/
public abstract String value();
}