clientprocessor.java

基于J2ME的一个可用的手机蓝牙程序

import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.Vector;

import javax.bluetooth.ServiceRecord;
import javax.microedition.io.Connector;
import javax.microedition.io.StreamConnection;


public class ClientProcessor implements Runnable{

	private volatile boolean isReady;
	
	private Client client;
	private ServiceRecord serviceRecord;

    private int requiredSecurity= ServiceRecord.NOAUTHENTICATE_NOENCRYPT;

	private StreamConnection connection;

	private InputStream in;

	private OutputStream out;

	private Vector sendMessages=new Vector();;
    
	public ClientProcessor(Client client,ServiceRecord serviceRecord){
		this.client=client;
        this.serviceRecord = serviceRecord;
		
	}

	
	public synchronized void start() {
        Thread thread = new Thread(this);
        thread.start();
	}
	

	public ServiceRecord getServiceRecord() {
        return serviceRecord;
	}
	
	
	public void run() {

        // the reader

        // 1. open the connection and streams, start the writer
        String url = null;
        try
        {
            // 'must be master': false
            url = serviceRecord.getConnectionURL(requiredSecurity,false);

            connection = (StreamConnection) Connector.open(url);
            in = connection.openInputStream();
            out = connection.openOutputStream();

           
            // start the writer
            Write write = new Write();
            Thread writeThread = new Thread(write);
            writeThread.start();

        }
        catch(IOException e)
        {
            close();
            return;
        }
        catch (SecurityException e)
        {
            close();
            return;
        }

        // 2. wait to receive and read messages
        while (!isReady)
        {
            try
            {
				byte[] temp=new byte[20];
    			System.out.println("=======================client1");
				in.read(temp);
				client.read(temp);
            }
            catch (Exception e)
            {
                close();
            }
        }
	}
	
	public void close() {
        if (!isReady)
        {
            synchronized(this)
            {
            	isReady = true;
            }

            synchronized(sendMessages)
            {
                sendMessages.notify();
            }

            if (out != null)
            {
                try
                {
                    out.close();
                    synchronized (this)
                    {
                        out = null;
                    }
                }
                catch(IOException e)
                {
                    // there is nothing we can do: ignore it
                }
            }

            if (in != null)
            {
                try
                {
                    in.close();
                    synchronized (this)
                    {
                        in = null;
                    }
                }
                catch(IOException e)
                {
                    // there is nothing we can do: ignore it
                }
            }

            if (connection != null)
            {
                try
                {
                    connection.close();
                    synchronized (this)
                    {
                        connection = null;
                    }
                }
                catch (IOException e)
                {
                    // there is nothing we can do: ignore it
                }
            }
        }
	}

	
	private class Write implements Runnable{
		public Write() {
		}

		public void run() {
			// TODO 自动生成方法存根
			while(!isReady){
				synchronized(sendMessages){
					try{
						byte[] temp=sendMessages.elementAt(0).toString().getBytes();
						out.write(temp);
						out.flush();
						sendMessages.removeElementAt(0);
					}catch(Exception e){
//						close();
					}
					if(sendMessages.size()==0){
						try{
							sendMessages.wait();
						}catch (InterruptedException ex){}
						
					}
					
				}
			}
			
		}
		
		
	}
	
	
	public void send(String data){
		synchronized(sendMessages){
			try{
			sendMessages.addElement(data);
			System.out.println(sendMessages);
			sendMessages.notify();
			}catch(Exception e){e.printStackTrace();}
		}
	}
	
	
}