/*
Copyright (c) 2012 LinkedIn Corp.
Licensed 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.
*/
/* $Id$ */
package com.linkedin.r2.sample.echo.rest;
import com.linkedin.data.ByteString;
import com.linkedin.common.callback.Callback;
import com.linkedin.common.callback.CallbackAdapter;
import com.linkedin.r2.message.RequestContext;
import com.linkedin.r2.message.rest.RestRequest;
import com.linkedin.r2.message.rest.RestResponse;
import com.linkedin.r2.message.rest.RestResponseBuilder;
import com.linkedin.r2.sample.echo.EchoService;
import com.linkedin.r2.transport.common.RestRequestHandler;
import java.nio.charset.Charset;
/**
* @author Chris Pettitt
* @version $Revision$
*/
public class RestEchoServer implements RestRequestHandler
{
/* package private */ static final Charset CHARSET = Charset.forName("UTF-8");
private final EchoService _echoService;
public RestEchoServer(EchoService echoService)
{
_echoService = echoService;
}
public void handleRequest(RestRequest request, RequestContext requestContext,
Callback<RestResponse> callback)
{
final String msg = request.getEntity().asString(CHARSET);
_echoService.echo(msg, new CallbackAdapter<RestResponse, String>(callback) {
@Override
protected RestResponse convertResponse(String responseMsg)
{
return new RestResponseBuilder()
.setEntity(ByteString.copyString(responseMsg, CHARSET))
.setHeader("Content-Type", "text/plain")
.build();
}
});
}
}