一个简单的Java服务器

/**

*

*/

package iotest.serversocket;

importjava.io.BufferedInputStream;

import java.io.BufferedOutputStream;

import java.io.ByteArrayOutputStream;

import java.io.FileInputStream;

import java.io.IOException;

import java.io.InputStream;

import java.io.OutputStream;

import java.io.UnsupportedEncodingException;

import java.net.ServerSocket;

import java.net.Socket;

/**

* @author Brandon B. Lin

*

*/

public class SingleFileHttpServer extends Thread {

private byte[] content;

private byte[] header;

private int port = 80;

public SingleFileHttpServer(String data， String encoding， String MIMEType，

int port) throws UnsupportedEncodingException {

this(data.getBytes(encoding)， encoding， MIMEType， port);

}

public SingleFileHttpServer(byte[] data， String encoding， String MIMEType，

int port) throws UnsupportedEncodingException {

this.content = data;

this.port = port;

createHeader(encoding， MIMEType);

}

private void createHeader(String encoding， String MIMEType)

throws UnsupportedEncodingException {

String header = "HTTP/1.0 200 OK " + "Server: OneFIle 1.0 "

+ "Content-length: " + content.length + " "

+ "Content-type: " + MIMEType + " ";

this.header = header.getBytes(encoding);

}

@Override

public void run() {

try {

ServerSocket server = new ServerSocket(port);

log(server.getLocalPort());

while (true) {

respond(server);

}

} catch (IOException exception) {

System.err.println("Could not start server. Port Occupied!");

}

}

private void log(int port) {

System.out.println("Accepting connection on port " + port);

System.out.println("Data to be sent: ");

try {

System.out.write(content);

} catch (IOException e) {

e.printStackTrace();

}

}

private void respond(ServerSocket server) {

Socket connection = null;

try {

connection = server.accept();

String request = readRequestFromSocket(connection);

boolean writeHeader = (request.toString().indexOf("HTTP/") != -1);

writeToSocket(connection， writeHeader);

} catch (IOException e) {

e.printStackTrace();

} finally {

if (connection != null)

try {

connection.close();

} catch (IOException e) {

e.printStackTrace();

}

}

}

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