[译] 第三十天：Play Framework - Java开发者梦寐以求的框架 - 百花宫

$ play new getbookmarks 
       _

 _ __ | | __ _ _  _

| ‘_ \| |/ _‘ | || |

|  __/|_|\____|\__ /

|_|            |__/ 

play 2.2.1 built with Scala 2.10.2 (running Java 1.7.0_25), http://www.playframework.com 

The new application will be created in /Users/shekhargulati/dev/challenges/30days30technologies/day30/blog/getbookmarks

What is the application name? [getbookmarks]
>
Which template do you want to use for this new application?
  1             - Create a simple Scala application
  2             - Create a simple Java application
> 2
OK, application getbookmarks is created.
Have fun!

$ cd getbookmarks
$ play

[info] Loading project definition from /Users/shekhargulati/dev/challenges/30days30technologies/day30/blog/getbookmarks/project

[info] Set current project to getbookmarks (in build file:/Users/shekhargulati/dev/challenges/30days30technologies/day30/blog/getbookmarks/)
       _

 _ __ | | __ _ _  _

| ‘_ \| |/ _‘ | || |

|  __/|_|\____|\__ /

|_|            |__/

play 2.2.1 built with Scala 2.10.2 (running Java 1.7.0_25), http://www.playframework.com 

> Type "help play" or "license" for more information.
> Type "exit" or use Ctrl+D to leave this console. 

[getbookmarks] $ run

[info] Updating {file:/Users/shekhargulati/dev/challenges/30days30technologies/day30/blog/getbookmarks/}getbookmarks...
[info] Resolving org.fusesource.jansi#jansi;1.4 ...
[info] Done updating. 

--- (Running the application from SBT, auto-reloading is enabled) ---

[info] play - Listening for HTTP on /0:0:0:0:0:0:0:0:9000 

(Server started, use Ctrl+D to stop and go back to the console...)

package models; 
import play.db.ebean.Model; 
import javax.persistence.Entity;
import javax.persistence.Id;
import java.util.Date; 
 
@Entity
public class Story extends Model{ 
    @Id
    private String id; 
    private String url; 
    private String fullname; 
    private Date submittedOn = new Date(); 
    private String title;
    private String text;
    private String image; 
    public Story() {
 
    }
 
    public Story(String url, String fullname) {
        this.url = url;
        this.fullname = fullname;
    }
 
    public Story(String url, String fullname, String image, String text, String title) {
        this.url = url;
        this.fullname = fullname;
        this.title = title;
        this.text = text;
        this.image = image;
    }
 
   // Getter and Setter removed for brevity
}

# Routes
# This file defines all application routes (Higher priority routes first)
# ~~~~
 
# Home page
GET         /                           controllers.Assets.at(path="/public", file="/index.html")
GET         /api/v1/stories             controllers.StoryController.allStories()
POST        /api/v1/stories             controllers.StoryController.submitStory()
GET         /api/v1/stories/:storyId    controllers.StoryController.getStory(storyId)
 
# Map static resources from the /public folder to the /assets URL path
GET         /assets/*file        controllers.Assets.at(path="/public", file)

package controllers; 
 
import com.fasterxml.jackson.databind.JsonNode;
import models.Story;
import play.api.libs.ws.Response;
import play.api.libs.ws.WS;
import play.db.ebean.Model;
import play.libs.Json;
import play.mvc.BodyParser;
import play.mvc.Controller;
import play.mvc.Result;
import play.mvc.Results;
import scala.concurrent.Await;
import scala.concurrent.Future;
import scala.concurrent.duration.Duration;
 
import java.util.List;
import java.util.concurrent.TimeUnit;
 
public class StoryController {
 
    public static Result allStories(){
        List<Story> stories = new Model.Finder<String , Story>(String.class, Story.class).all();
        return Results.ok(Json.toJson(stories));
    }
 
    @BodyParser.Of(BodyParser.Json.class)
    public static Result submitStory(){
        JsonNode jsonNode = Controller.request().body().asJson();
        String url = jsonNode.findPath("url").asText();
        String fullname = jsonNode.findPath("fullname").asText();
        JsonNode response = fetchInformation(url);
        Story story = null;
        if(response == null){
            story = new Story(url,fullname);
        }else{
            String image = response.findPath("image").textValue();
            String text = response.findPath("text").textValue();
            String title = response.findPath("title").textValue();
            story = new Story(url,fullname, image , text , title);
        }
        story.save();
        return Results.created();
    }
 
    public static Result getStory(String storyId){
        Story story = new Model.Finder<String, Story>(String.class, Story.class).byId(storyId);
        if(story == null){
            return Results.notFound("No story found with storyId " + storyId);
        }
        return Results.ok(Json.toJson(story));
    }
 
    private static JsonNode fetchInformation(String url){
        String restServiceUrl = "http://gooseextractor-t20.rhcloud.com/api/v1/extract?url="+url;
        Future<Response> future = WS.url(restServiceUrl).get();
        try {
            Response result = Await.result(future, Duration.apply(30, TimeUnit.SECONDS));
            JsonNode jsonNode = Json.parse(result.json().toString());
            return jsonNode;
        } catch (Exception e) {
            e.printStackTrace();
            return null;
        } 
    } 
}