/*
* Copyright (C) 2012 Stormpath, 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 com.stormpath.samples.todos.controller;
import com.stormpath.samples.todos.entity.Todo;
import com.stormpath.samples.todos.service.DefaultTodoService;
import com.stormpath.samples.todos.service.TodoService;
import javax.ws.rs.*;
import javax.ws.rs.core.Context;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;
import javax.ws.rs.core.UriInfo;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.Map;
@Path(Link.TODOS)
public class TodoController extends BaseController {
private TodoService todoService = DefaultTodoService.getInstance();
@GET
@Produces(MediaType.APPLICATION_JSON)
@SuppressWarnings("unchecked")
public CollectionResource list(@Context UriInfo info,
@DefaultValue("false") @QueryParam("expand") boolean expand) {
Collection<Todo> todos = todoService.getTodos();
if (todos == null || todos.size() == 0) {
return new CollectionResource(info, Link.TODOS, Collections.emptyList());
}
Collection items = new ArrayList(todos.size());
for( Todo todo : todos) {
if (expand) {
items.add(new TodoResource(info, todo));
} else {
items.add(new Link(info, todo));
}
}
return new CollectionResource(info, Link.TODOS, items);
}
@POST
@Consumes(MediaType.APPLICATION_JSON)
public Response create(@Context UriInfo info, Todo todo) {
todo = todoService.save(todo);
TodoResource resource = new TodoResource(info, todo);
return created(resource);
}
@Path("/{id}")
@GET
@Produces(MediaType.APPLICATION_JSON)
public TodoResource getTodo(@Context UriInfo info, @PathParam("id") String id) {
Todo todo = todoService.getById(id);
if (todo == null) {
throw new UnknownResourceException();
}
return new TodoResource(info, todo);
}
@Path("/{id}")
@POST
@Consumes(MediaType.APPLICATION_JSON)
public Response updateTodo(@Context UriInfo info, @PathParam("id") String id, Map map) {
Todo existing = todoService.getById(id);
if (existing == null) {
throw new UnknownResourceException();
}
//typically done via a framework call to automate this for any type of entity:
if (map.containsKey("name")) {
existing.setName(String.valueOf(map.get("name")));
}
if (map.containsKey("done")) {
existing.setDone(Boolean.valueOf(String.valueOf(map.get("done"))));
}
existing = todoService.save(existing);
return Response.ok(new TodoResource(info, existing), MediaType.APPLICATION_JSON).build();
}
@Path("/{id}")
@DELETE
public void deleteTodo(@PathParam("id") String id) {
Todo todo = todoService.deleteById(id);
if (todo == null) {
throw new UnknownResourceException();
}
}
}