JMS 使用 ActiveMQ 传送文件

 1package com.unmi.jms;
 2
 3import java.io.File;
 4import javax.jms.*;
 5import javax.swing.JFileChooser;
 6import org.apache.activemq.*;
 7
 8/**
 9 * 通过 ActiveMQ 发送文件的程序
10 * @author Unmi
11 */
12public class FileSender {
13
14    /**
15     * @param args
16     * @throws JMSException
17     */
18    public static void main(String[] args) throws JMSException {
19
20        // 选择文件
21        JFileChooser fileChooser = new JFileChooser();
22        fileChooser.setDialogTitle("请选择要传送的文件");
23        if (fileChooser.showOpenDialog(null) != JFileChooser.APPROVE_OPTION) {
24            return;
25        }
26
27        File file = fileChooser.getSelectedFile();
28
29        // 获取 ConnectionFactory
30        ConnectionFactory connectionFactory = new ActiveMQConnectionFactory(
31                "tcp://10.80.38.10:61616?jms.blobTransferPolicy.defaultUploadUrl=http://10.80.38.10:8161/fileserver/");
32
33        // 创建 Connection
34        Connection connection = connectionFactory.createConnection();
35        connection.start();
36
37        // 创建 Session
38        ActiveMQSession session = (ActiveMQSession) connection.createSession(
39                false, Session.AUTO_ACKNOWLEDGE);
40
41        // 创建 Destination
42        Destination destination = session.createQueue("File.Transport");
43
44        // 创建 Producer
45        MessageProducer producer = session.createProducer(destination);
46        producer.setDeliveryMode(DeliveryMode.NON_PERSISTENT);// 设置为非持久性
47
48        // 设置持久性的话，文件也可以先缓存下来，接收端离线再连接也可以收到文件
49        // 构造 BlobMessage，用来传输文件
50        BlobMessage blobMessage = session.createBlobMessage(file);
51        blobMessage.setStringProperty("FILE.NAME", file.getName());
52        blobMessage.setLongProperty("FILE.SIZE", file.length());
53
54        System.out.println("开始发送文件：" + file.getName() + "，文件大小："
55                + file.length() + " 字节");
56
57        // 7. 发送文件
58        producer.send(blobMessage);
59        System.out.println("完成文件发送：" + file.getName());
60
61        producer.close();
62        session.close();
63        connection.close(); // 不关闭 Connection, 程序则不退出
64    }
65}

 1package com.unmi.jms;
 2
 3import java.io.*;
 4import javax.jms.*;
 5import javax.jms.Message;
 6import javax.swing.*;
 7import org.apache.activemq.*;
 8
 9public class FileReciever {
10
11    /**
12     * @param args
13     * @throws JMSException
14     */
15    public static void main(String[] args) throws JMSException {
16
17        // 获取 ConnectionFactory
18        ConnectionFactory connectionFactory = new ActiveMQConnectionFactory(
19                "tcp://10.80.38.10:61616");
20
21        // 创建 Connection
22        Connection connection = connectionFactory.createConnection();
23        connection.start();
24
25        //  创建 Session
26        Session session = connection.createSession(false,Session.AUTO_ACKNOWLEDGE);
27
28        // 创建 Destinatione
29        Destination destination = session.createQueue("File.Transport");
30
31        // 创建 Consumer
32        MessageConsumer consumer = session.createConsumer(destination);
33
34        // 注册消息监听器，当消息到达时被触发并处理消息
35        consumer.setMessageListener(new MessageListener() {
36
37            // 监听器中处理消息
38            public void onMessage(Message message) {
39                if (message instanceof BlobMessage) {
40                    BlobMessage blobMessage = (BlobMessage) message;
41                    try {
42                        String fileName = blobMessage.getStringProperty("FILE.NAME");
43                        System.out.println("文件接收请求处理：" + fileName + "，文件大小："
44                                + blobMessage.getLongProperty("FILE.SIZE")+ " 字节");
45
46                        JFileChooser fileChooser = new JFileChooser();
47                        fileChooser.setDialogTitle("请指定文件保存位置");
48                        fileChooser.setSelectedFile(new File(fileName));
49                        if (fileChooser.showSaveDialog(null) == JFileChooser.APPROVE_OPTION) {
50                            File file = fileChooser.getSelectedFile();
51                            OutputStream os = new FileOutputStream(file);
52
53                            System.out.println("开始接收文件：" + fileName);
54                            InputStream inputStream = blobMessage.getInputStream();
55
56                            //写文件，你也可以使用其他方式
57                            byte[] buff = new byte[256];
58                            int len = 0;
59                            while ((len = inputStream.read(buff)) > 0) {
60                                os.write(buff, 0, len);
61                            }
62
63                            os.close();
64                            System.out.println("完成文件接收：" + fileName);
65                        }
66
67                    } catch (Exception e) {
68                        e.printStackTrace();
69                    }
70                }
71            }
72        });
73    }
74}