これは何?

a graph image

REST API (Board Resource)

https://github.com/kagyuu/JerseyMVCExam/blob/master/src/main/java/com/mycompany/jerseymvcexam/BoardResource.java

package com.mycompany.jerseymvcexam;

import javax.ejb.EJB;
import javax.ws.rs.Consumes;
import javax.ws.rs.FormParam;
import javax.ws.rs.GET;
import javax.ws.rs.POST;
import javax.ws.rs.Path;
import javax.ws.rs.Produces;
import javax.ws.rs.core.MediaType;
import org.glassfish.jersey.server.mvc.Template;

@Path("board")
public class BoardResource {
    
    @EJB
    private BoardEJB board;

    @GET
    @Path("init")
    @Produces(MediaType.TEXT_HTML)
    @Template(name = "/board")
    public BoardBean init() {
        
        BoardBean res = new BoardBean();
        res.setName("");
        res.setComment("");
        res.setArticles(board.getCurrentMessage());
        return res;
    }

    @POST
    @Path("submit")
    @Consumes(MediaType.APPLICATION_FORM_URLENCODED)
    @Produces(MediaType.TEXT_HTML)
    @Template(name = "/board")
    public BoardBean submitMessage(
            @FormParam("name") String name, 
            @FormParam("comment") String comment) {
        
        board.addMessage(name, comment);
        
        BoardBean res = new BoardBean();
        res.setName(name);
        res.setComment(comment);
        res.setArticles(board.getCurrentMessage());
        return res;
    }
}

UI (BoardBean?, board.mustache)

https://github.com/kagyuu/JerseyMVCExam/blob/master/src/main/java/com/mycompany/jerseymvcexam/BoardBean.java

package com.mycompany.jerseymvcexam;

import lombok.Data;

@Data
public class BoardBean {
    private String name;
    private String comment;
    private Message[] articles;
}

 

https://github.com/kagyuu/JerseyMVCExam/blob/master/src/main/java/com/mycompany/jerseymvcexam/Message.java

package com.mycompany.jerseymvcexam;

import java.util.Date;
import lombok.AllArgsConstructor;
import lombok.Data;

@Data
@AllArgsConstructor
public class Message {
    private Date date;
    private String name;
    private String comment;
}

 

https://github.com/kagyuu/JerseyMVCExam/blob/master/src/main/webapp/board.mustache

<!DOCTYPE html output>
<html>
<head>
    <title>Board</title>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
</head>
<body>
    <form method="POST" action="submit">
        名前 : <input type="text" name="name" value="{{name}}"/>
        コメント : <input type="text" name="comment" size="80"/>
        <input type="submit"/>
    </form>
<hr>
<ul>
{{#articles}}
<li>
{{date}} : {{name}} : {{comment}}
</li>
{{/articles}}
</ul>
</body>
</html>

Business Logic (BoardEJB)

https://github.com/kagyuu/JerseyMVCExam/blob/master/src/main/java/com/mycompany/jerseymvcexam/BoardEJB.java

package com.mycompany.jerseymvcexam;

import java.util.Date;
import java.util.LinkedList;
import java.util.List;
import javax.ejb.Singleton;


@Singleton
public class BoardEJB {
    private final List<Message> messageQueue;

    public BoardEJB() {
        this.messageQueue = java.util.Collections.synchronizedList(new LinkedList<>());
    }
    
    public void addMessage(String name, String comment) {
        messageQueue.add(new Message(new Date(), name, comment));
        while(messageQueue.size() > 25) {
            messageQueue.remove(0);
        }
    }
    
    public Message[] getCurrentMessage() {
        return messageQueue.toArray(new Message[0]);
    }
}
これはとりあえず

実行結果

cettle.png

よか


Java#Glassfish


添付ファイル: filecettle.png 2333件 [詳細]

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Last-modified: 2015-07-23 (木) 01:24:21 (3425d)
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ISBN10
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9784061426061