/*
* Licensed to David Pilato (the "Author") under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. Author 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 fr.pilato.elasticsearch.river.fs.rest;
import org.elasticsearch.client.Client;
import org.elasticsearch.common.inject.Inject;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.xcontent.XContentBuilder;
import org.elasticsearch.common.xcontent.XContentBuilderString;
import org.elasticsearch.rest.*;
import org.elasticsearch.rest.RestRequest.Method;
import java.io.IOException;
import static org.elasticsearch.common.xcontent.XContentFactory.jsonBuilder;
public class ManageRiverAction extends BaseRestHandler {
@Inject
public ManageRiverAction(Settings settings, Client client, RestController controller) {
super(settings, controller, client);
// Define _start / _stop REST Endpoints
controller.registerHandler(Method.GET, "/_river/{rivername}/{command}", this);
}
@Override
protected void handleRequest(RestRequest request, RestChannel channel, Client client) throws Exception {
if (logger.isDebugEnabled()) logger.debug("REST ManageRiverAction called");
String rivername = request.param("rivername");
String command = request.param("command");
try {
String status = "STARTED";
if ("_stop".equals(command)) status = "STOPPED";
XContentBuilder xb = jsonBuilder()
.startObject()
.startObject("fs")
.field("status", status)
.endObject()
.endObject();
client.prepareIndex("_river", rivername, "_fsstatus").setSource(xb).execute().actionGet();
XContentBuilder builder = jsonBuilder();
builder
.startObject()
.field(new XContentBuilderString("ok"), true)
.endObject();
channel.sendResponse(new BytesRestResponse(RestStatus.OK, builder));
} catch (IOException e) {
try {
channel.sendResponse(new BytesRestResponse(channel, e));
} catch (IOException e1) {
channel.sendResponse(new BytesRestResponse(RestStatus.INTERNAL_SERVER_ERROR));
}
}
}
}