/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.cxf.systest.jaxrs;
import java.util.Queue;
import java.util.concurrent.ArrayBlockingQueue;
import javax.ws.rs.GET;
import javax.ws.rs.POST;
import javax.ws.rs.Path;
import javax.ws.rs.QueryParam;
import javax.ws.rs.WebApplicationException;
import javax.ws.rs.container.AsyncResponse;
import javax.ws.rs.container.Suspended;
import javax.ws.rs.core.Response;
import javax.ws.rs.core.Response.ResponseBuilder;
import javax.ws.rs.core.Response.Status;
@Path("resource")
public class AsyncResource {
public static final String RESUMED = "Response resumed";
public static final String FALSE = "A method returned false";
public static final String TRUE = "A method return true";
private static final AsyncResponseQueue[] ASYNC_RESPONSES = {
new AsyncResponseQueue(), new AsyncResponseQueue(), new AsyncResponseQueue() };
@GET
@Path("suspend")
public void suspend(@Suspended AsyncResponse asyncResponse) {
ASYNC_RESPONSES[0].add(asyncResponse);
}
@GET
@Path("suspendthrow")
public void suspendthrow(@Suspended AsyncResponse asyncResponse) {
throw new WebApplicationException("Oh Dear", 502);
}
@GET
@Path("cancelvoid")
public String cancel(@QueryParam("stage") String stage) {
AsyncResponse response = takeAsyncResponse(stage);
boolean ret = response.cancel();
ret &= response.cancel();
addResponse(response, stage);
return ret ? TRUE : FALSE;
}
@POST
@Path("resume")
public String resume(@QueryParam("stage") String stage, String response) {
AsyncResponse async = takeAsyncResponse(stage);
boolean b = resume(async, response);
addResponse(async, stage);
return b ? TRUE : FALSE;
}
protected static AsyncResponse takeAsyncResponse(String stageId) {
return takeAsyncResponse(Integer.parseInt(stageId));
}
protected static AsyncResponse takeAsyncResponse(int stageId) {
AsyncResponse asyncResponse = null;
asyncResponse = ASYNC_RESPONSES[stageId].take();
return asyncResponse;
}
protected static final void addResponse(AsyncResponse response, String stageId) {
int id = Integer.parseInt(stageId) + 1;
ASYNC_RESPONSES[id].add(response);
}
protected static boolean resume(AsyncResponse takenResponse, Object response) {
return takenResponse.resume(response);
}
protected static ResponseBuilder createErrorResponseBuilder() {
return Response.status(Status.EXPECTATION_FAILED);
}
private static class AsyncResponseQueue {
Queue<AsyncResponse> queue = new ArrayBlockingQueue<AsyncResponse>(1);
public void add(AsyncResponse asyncResponse) {
queue.add(asyncResponse);
}
public AsyncResponse take() {
return queue.remove();
}
}
}