/**
* 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.ambari.view.favorite;
import org.apache.ambari.view.ViewContext;
import javax.inject.Inject;
import javax.ws.rs.GET;
import javax.ws.rs.POST;
import javax.ws.rs.Path;
import javax.ws.rs.PathParam;
import javax.ws.rs.Produces;
import javax.ws.rs.Consumes;
import javax.ws.rs.core.Context;
import javax.ws.rs.core.HttpHeaders;
import javax.ws.rs.core.Response;
import javax.ws.rs.core.UriInfo;
import java.io.IOException;
import java.util.Map;
import java.util.HashMap;
/**
* The Favorite service.
*/
public class FavoriteService {
private static final String PROPERTY_QUESTION = "what.is.the.question";
private static final String PROPERTY_DONOTKNOW = "i.do.not.know";
private static final String INSTANCE_ITEM = "favorite.item";
/**
* The view context.
*/
@Inject
ViewContext context;
/**
* Handles: POST /item/{thing}.
*
* @param headers http headers
* @param ui uri info
*
* @return favorite item representation
*/
@POST
@Path("/item/{thing}")
@Consumes({"text/plain", "application/json"})
@Produces({"text/plain", "application/json"})
public Response setFavoriteItem(@Context HttpHeaders headers, @Context UriInfo ui,
@PathParam("thing") String thing) {
context.putInstanceData(INSTANCE_ITEM, thing);
StringBuffer buf = new StringBuffer();
buf.append("{\"item\" : \"");
buf.append(thing);
buf.append("\"}");
return Response.ok(buf.toString()).build();
}
/**
* Handles: GET /item.
*
* @param headers http headers
* @param ui uri info
*
* @return favorite item representation
*/
@GET
@Path("/item")
@Produces({"text/plain", "application/json"})
public Response getFavoriteItem(@Context HttpHeaders headers, @Context UriInfo ui) {
System.out.println(" context = "+context);
String item = context.getInstanceData(INSTANCE_ITEM);
if (item == null || item.isEmpty())
item = context.getProperties().get(PROPERTY_DONOTKNOW);
StringBuffer buf = new StringBuffer();
buf.append("{\"item\" : \"");
buf.append(item);
buf.append("\"}");
return Response.ok(buf.toString()).build();
}
/**
* Handles: GET /question.
*
* @param headers http headers
* @param ui uri info
*
* @return favorite question representation
*/
@GET
@Path("/question")
@Produces({"text/plain", "application/json"})
public Response getQuestion(@Context HttpHeaders headers, @Context UriInfo ui) {
String question = context.getProperties().get(PROPERTY_QUESTION);
String username = context.getUsername();
StringBuffer buf = new StringBuffer();
buf.append("{\"question\" : \"");
buf.append(question);
buf.append("\", \"username\" : \"");
buf.append(username);
buf.append("\"}");
return Response.ok(buf.toString()).build();
}
}