/*
* Licensed to Elastic Search and Shay Banon under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. Elastic Search 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.elasticsearch.memcached.netty;
import org.elasticsearch.common.netty.channel.ChannelHandlerContext;
import org.elasticsearch.common.netty.channel.MessageEvent;
import org.elasticsearch.common.netty.channel.SimpleChannelUpstreamHandler;
import org.elasticsearch.memcached.MemcachedRestRequest;
import org.elasticsearch.rest.RestController;
import org.elasticsearch.rest.StringRestResponse;
import static org.elasticsearch.rest.RestStatus.*;
/**
* @author kimchy (shay.banon)
*/
public class MemcachedDispatcher extends SimpleChannelUpstreamHandler {
public static final Object IGNORE_REQUEST = new Object();
private final RestController restController;
public MemcachedDispatcher(RestController restController) {
this.restController = restController;
}
@Override public void messageReceived(ChannelHandlerContext ctx, MessageEvent e) throws Exception {
if (e.getMessage() == IGNORE_REQUEST) {
super.messageReceived(ctx, e);
return;
}
MemcachedRestRequest request = (MemcachedRestRequest) e.getMessage();
MemcachedRestChannel channel = new MemcachedRestChannel(ctx.getChannel(), request);
if (!restController.dispatchRequest(request, channel)) {
channel.sendResponse(new StringRestResponse(BAD_REQUEST, "No handler found for uri [" + request.uri() + "] and method [" + request.method() + "]"));
}
super.messageReceived(ctx, e);
}
}