gistfile1.java

package controllers;

import play.*;
import play.libs.WS.HttpResponse;
import play.mvc.*;
import play.mvc.results.NotFound;
import util.APICallResult;
import util.TaskDeserializer;
import util.TaskSerializer;

import java.lang.reflect.Type;
import java.util.*;

import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import com.google.gson.JsonElement;
import com.google.gson.JsonSerializationContext;
import com.google.gson.JsonSerializer;

import models.*;

public class Tasks extends Controller {
	private static void renderWithSerializer(Object o) {
		renderJSON(o, new TaskSerializer());
	}

	public static void list() {
		renderWithSerializer(APICallResult.create(Task.findAll()));
	}

	public static void get(Long id) {
		Task t = Task.findById(id);

		if (t != null) {
			renderWithSerializer(APICallResult.create(t));
		} else {
			notFound(String.format("Task (id == %s) not found", id));
		}
	}

	public static void saveOrUpdate(Task task) {
		if (task != null) {
			if (task.id == null) {
				if (task.create()) {
					response.status = Http.StatusCode.CREATED;
					response.setHeader(
							"Location",
							Router.reverse(
									String.format("Tasks.get(%s)", task.id))
									.toString());
				} else {
					error(String.format("Task (id == %s) could not be created",
							task.id));
				}
			} else {
				task.merge();
			}
		}
	}

	public static void delete(Long id) {
		Task t = Task.findById(id);

		if (t != null) {
			t.delete();
		} else {
			notFound(String.format("Task (id == %s) not found", id));
		}
	}
}