mina 传输图片

package mina.example3;

import java.net.InetSocketAddress;

import org.apache.mina.filter.codec.ProtocolCodecFilter;
import org.apache.mina.filter.codec.serialization.ObjectSerializationCodecFactory;
import org.apache.mina.filter.logging.LoggingFilter;
import org.apache.mina.transport.socket.nio.NioSocketAcceptor;

/**
 * 
 * @author dujinkai
 *
 */
public class FileTransServer
{
	public static void main(String[] args)  throws Exception
	{
		ObjectSerializationCodecFactory objectSerializationCodecFactory = new ObjectSerializationCodecFactory();
		
		objectSerializationCodecFactory.setDecoderMaxObjectSize(Integer.MAX_VALUE);
		objectSerializationCodecFactory.setEncoderMaxObjectSize(Integer.MAX_VALUE);
		
		NioSocketAcceptor accept=new NioSocketAcceptor(); 

		accept.getFilterChain().addLast("codec",
				new ProtocolCodecFilter(objectSerializationCodecFactory));
		
		accept.getFilterChain().addLast("logging", new LoggingFilter()); 
		accept.setHandler(new FileIOHandle());
		
		accept.bind(new InetSocketAddress(8998));  
	}
}

package mina.example3;

import java.io.File;
import java.io.FileOutputStream;

import org.apache.mina.core.service.IoHandler;
import org.apache.mina.core.session.IdleStatus;
import org.apache.mina.core.session.IoSession;

/**
 * 文件业务处理
 * @author dujinkai
 *
 */
public class FileIOHandle implements IoHandler
{

	public void exceptionCaught(IoSession arg0, Throwable arg1)
			throws Exception {
		
	}

	public void messageReceived(IoSession arg0, Object arg1) throws Exception
	{
		System.out.println("Receive Message:" + arg1);

		FileUploadRequest fileUploadRequest = null;

		if (arg1 instanceof FileUploadRequest )
		{
			fileUploadRequest = (FileUploadRequest)arg1;
			String  fileName = fileUploadRequest.getFileName();
			byte [] bytes = fileUploadRequest.getBytes();

			FileOutputStream fileOutputStream = new FileOutputStream(new File("D://")+fileName);
			
			fileOutputStream.write(bytes);
			
			fileOutputStream.flush();
			
			fileOutputStream.close();
			
			arg0.write("success");
			
		}else if (arg1 instanceof String )
		{
			arg0.write("ok do not need to upload file");
		}else
		{
			System.out.println("Receive Error Message");
			arg0.write("error");
		}
	}

	public void messageSent(IoSession arg0, Object arg1) throws Exception
	{
		System.out.println("Being to sent message :" + arg1);
	}

	public void sessionClosed(IoSession arg0) throws Exception {
		System.out.println("Session close");
	}

	public void sessionCreated(IoSession arg0) throws Exception {
		System.out.println("Session create");
	}

	public void sessionIdle(IoSession arg0, IdleStatus arg1) throws Exception {
		
	}

	public void sessionOpened(IoSession arg0) throws Exception
	{
		System.out.println("Session open");
	}

}

package mina.example3;

import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.InputStream;
import java.net.InetSocketAddress;

import org.apache.mina.core.future.ConnectFuture;
import org.apache.mina.core.session.IoSession;
import org.apache.mina.filter.codec.ProtocolCodecFilter;
import org.apache.mina.filter.codec.serialization.ObjectSerializationCodecFactory;
import org.apache.mina.filter.logging.LoggingFilter;
import org.apache.mina.transport.socket.nio.NioSocketConnector;

/**
 * 文件传输客户端
 * @author dujinkai
 *
 */
public class FileTransClient 
{
	public static void main(String[] args)  throws Exception
	{
		ObjectSerializationCodecFactory objectSerializationCodecFactory = new ObjectSerializationCodecFactory();
		objectSerializationCodecFactory.setDecoderMaxObjectSize(Integer.MAX_VALUE);
		objectSerializationCodecFactory.setEncoderMaxObjectSize(Integer.MAX_VALUE);
		 //客户端的实现  
		 NioSocketConnector connector = new NioSocketConnector();  
		 connector.getFilterChain().addLast("codec",  
		 new ProtocolCodecFilter(objectSerializationCodecFactory));  
		 connector.getFilterChain().addLast("logging", new LoggingFilter());  
		 connector.setHandler(new FileClientHandle());  
		 
		 connector.getSessionConfig().setUseReadOperation(true);  
		  
		 ConnectFuture cf = connector.connect(new InetSocketAddress("localhost",  
		 8998));  
		 
		 cf.awaitUninterruptibly();  
		 IoSession session = cf.getSession(); 
		 session.write(getFileUploadRequest());
		 
		 Object result = session.read().awaitUninterruptibly().getMessage();  
		 
		 if ("success".equals(result))
		 {
			 connector.dispose();
		 }
	}
	
	
	private static FileUploadRequest getFileUploadRequest() throws Exception
	{
		FileUploadRequest fileUploadRequest = new FileUploadRequest();
		
		fileUploadRequest.setFileName("djk.jpg");
		
		File file = new File("E://djk.jpg");
		
		InputStream is = new FileInputStream(file);
		
		ByteArrayOutputStream baos = new ByteArrayOutputStream();
		
		byte [] bytes = new byte[1024];
		
		int length = 0; 
		
		while (-1 !=(length = is.read(bytes)))
		{
			baos.write(bytes, 0, length);
		}
		
		fileUploadRequest.setBytes(baos.toByteArray());
		
		is.close();
		baos.close();
		
		return fileUploadRequest;
	}
}

package mina.example3;

import org.apache.mina.core.service.IoHandlerAdapter;
import org.apache.mina.core.session.IoSession;

public class FileClientHandle extends IoHandlerAdapter
{
	@Override
	public void messageReceived(IoSession session, Object message)
			throws Exception 
	{
		super.messageReceived(session, message);
		
		System.out.println("Result:"+message);
	}
	@Override
	public void messageSent(IoSession session, Object message) throws Exception {
		
		System.out.println("Begin to send Message"+message);
		super.messageSent(session, message);
	}
}

package mina.example3;

import java.io.Serializable;

/**
 * 文件上传对象
 * @author dujinkai
 *
 */
public class FileUploadRequest implements Serializable
{
	/**
	 * 序列号
	 */
	private static final long serialVersionUID = 1547212123169330600L;
	
	/**
	 * 文件名称
	 */
	private String fileName;
	
	/**
	 * 文件字节
	 */
	private byte [] bytes;

	public String getFileName() 
	{
		return fileName;
	}

	public void setFileName(String fileName) 
	{
		this.fileName = fileName;
	}

	public byte[] getBytes() 
	{
		return bytes;
	}

	public void setBytes(byte[] bytes) 
	{
		this.bytes = bytes;
	}

	@Override
	public String toString() {
		return "FileUploadRequest [fileName=" + fileName + "]";
	}
	
	

}