Java tutorial
/* * Copyright 2014 Cask Data, Inc. * * 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. */ package co.cask.cdap.explore.executor; import co.cask.cdap.common.conf.Constants; import co.cask.http.AbstractHttpHandler; import co.cask.http.HttpResponder; import com.google.gson.JsonObject; import org.jboss.netty.handler.codec.http.HttpRequest; import org.jboss.netty.handler.codec.http.HttpResponseStatus; import javax.ws.rs.GET; import javax.ws.rs.Path; /** * Explore ping handler - reachable outside of CDAP. */ @Path(Constants.Gateway.GATEWAY_VERSION) public class ExplorePingHandler extends AbstractHttpHandler { @Path("/explore/status") @GET public void status(@SuppressWarnings("UnusedParameters") HttpRequest request, HttpResponder responder) { JsonObject json = new JsonObject(); json.addProperty("status", "OK"); responder.sendJson(HttpResponseStatus.OK, json); } }