import java.io.BufferedReader;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.net.ServerSocket;
import java.net.Socket;
import java.util.StringTokenizer;
public class neotestserver{
public static void main(String args[]) {
int port;
ServerSocket server_socket;
try {
port = Integer.parseInt(args[0]);
} catch (Exception e) {
port = 2222;
}
try {
server_socket = new ServerSocket(port);
System.out.println("Web伺服器監聽port:"
+ server_socket.getLocalPort());
// server infinite loop
while (true) {
Socket socket = server_socket.accept();
System.out.println("偵測新的連線在" +socket.getInetAddress() + ":" + socket.getPort());
try {
httpRequestHandler request = new httpRequestHandler(socket);
Thread thread = new Thread(request);
thread.start();
} catch (Exception e) {
System.out.println(e);
}
}
} catch (IOException e) {
System.out.println(e);
}
}
}
class httpRequestHandler implements Runnable {
Socket socket;
InputStream input;
OutputStream output;
BufferedReader br;
public httpRequestHandler(Socket socket) throws Exception {
this.socket = socket;
this.input = socket.getInputStream();
this.output = socket.getOutputStream();
this.br = new BufferedReader(new InputStreamReader(socket.getInputStream()));
}
public void run() {
try {
while (true) {
String headerLine = br.readLine();
System.out.println(headerLine);
if (headerLine.equals("\r\n") || headerLine.equals(""))
break;
StringTokenizer s = new StringTokenizer(headerLine);
String temp = s.nextToken();
if (temp.equals("GET")) {
String fileName = s.nextToken(); //GET之後是fileName
fileName = "." + fileName; //fileName前面記得加上"."
FileInputStream fis = null;
boolean fileExists = true;
try {
fis = new FileInputStream(fileName);
} catch (FileNotFoundException e) {
fileExists = false;
}
String urlstr ="";
if (fileExists) {
urlstr = "HTTP/1.0 200 OK\r\n" + "Content-type: " + contentType(fileName) + "\r\n" + "Content-Length: " + (new Integer(fis.available())).toString() + "\r\n" + "\r\n";
//填上fileName的內容
output.write(urlstr.getBytes());
byte[] buffer = new byte[1024];
int bytes = 0;
while ((bytes = fis.read(buffer)) != -1) {
output.write(buffer, 0, bytes);
}
socket.close();
} else {
urlstr = "HTTP/1.0 404 Not Found\r\n" + "text/html\r\n\r\n" + "<HTML> <HEAD><TITLE>404 Not Found</TITLE></HEAD><BODY>404 Not Found<br>usage:http://yourHostName:port/fileName.html</BODY></HTML>\r\n";
output.write(urlstr.getBytes());
socket.close();
}
}
}
} catch (Exception e) {
System.out.println(e);
}
}
private static String contentType(String fileName) {
if (fileName.endsWith(".htm") || fileName.endsWith(".html")
|| fileName.endsWith(".txt")) {
return "text/html";
} else if (fileName.endsWith(".jpg") || fileName.endsWith(".jpeg")) {
return "image/jpeg";
} else if (fileName.endsWith(".gif")) {
return "image/gif";
} else {
return "application/octet-stream";
}
}
}
2012年7月29日 星期日
JAVA Httpd Server (with thread)
訂閱：
張貼留言 (Atom)
沒有留言:
張貼留言