标签:style blog http io ar color os sp java
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.OutputStreamWriter; import java.net.InetSocketAddress; import java.net.Socket; public class HttpSimulator { private Socket socket; private int port = 80; private String host = "localhost"; private String request = ""; private boolean isPost, isHead; public void run() { BufferedReader reader = new BufferedReader(new InputStreamReader(System.in)); while(true) { try { if(! readHostAndPort(reader)) { break; } readHttpRequest(reader); sendHttpRequest(); readHttpResponse(reader); } catch (Exception e) { System.out.println("err: " + e.getMessage()); } } } public static void main(String[] args) { new HttpSimulator().run(); } private boolean readHostAndPort(BufferedReader consoleReader) throws IOException { System.out.println("host:port> "); String[] ss = null; String s = consoleReader.readLine(); if(s.equals("q")) { return false; }else{ ss = s.split("[:]"); if(!ss[0].equals("")) host = ss[0]; if(ss.length > 1) port = Integer.parseInt(ss[1]); System.out.println(host + ":" + String.valueOf(port)); return true; } } private void readHttpRequest(BufferedReader consoleReader) throws IOException { System.out.println("input HTTP Request: "); String s = consoleReader.readLine(); request = s + "\r\n"; isPost = s.substring(0, 4).equals("POST"); isHead = s.substring(0, 4).equals("HEAD"); while(!(s = consoleReader.readLine()).equals("")) { request = request + s + "\r\n"; } request = request + "\r\n"; if(isPost) { System.out.println("input POST Method contents: "); s = consoleReader.readLine(); request = request + s; } } private void sendHttpRequest() throws IOException { socket = new Socket(); socket.setSoTimeout(10 * 1000); System.out.println("wait for connecting to server..."); socket.connect(new InetSocketAddress(host, port), 10 * 1000); System.out.println("connected to server successfully!"); OutputStreamWriter writer = new OutputStreamWriter(socket.getOutputStream()); writer.write(request); writer.flush(); } private void readHttpResponse(BufferedReader consoleReader) { String s = ""; try { BufferedReader socketReader = new BufferedReader(new InputStreamReader(socket.getInputStream())); System.out.println("---------- HTTP Header ----------"); boolean b = true; while((s = socketReader.readLine()) != null) { if(s.equals("") && b == true && !isHead) { System.out.println("--------------------"); b = false; System.out.println("Show HTTP contents or not (Y/N): "); String choice = consoleReader.readLine(); if(choice.equals("Y") || choice.equals("y")) { System.out.println("---------- HTTP Contents ----------"); continue; }else{ break; } }else{ System.out.println(s); } } } catch (Exception e) { System.out.println("err: " + e.getMessage()); } finally { try { socket.close(); } catch (Exception e) { } System.out.println("--------------------"); } } }
------ Result ------
host:port>
10.11.121.232:80
input HTTP Request:
GET / HTTP/1.0
Host:10.11.121.232
wait for connecting to server...
connected to server successfully!
---------- HTTP Header ----------
HTTP/1.1 200 OK
Date: Fri, 21 Nov 2014 07:45:18 GMT
Server: Apache/2.2.22 (Ubuntu)
Last-Modified: Wed, 12 Nov 2014 13:06:02 GMT
ETag: "20831-b1-507a90ecdbd88"
Accept-Ranges: bytes
Content-Length: 177
Vary: Accept-Encoding
Connection: close
Content-Type: text/html
--------------------
Show HTTP contents or not (Y/N):
标签:style blog http io ar color os sp java
原文地址:http://www.cnblogs.com/starzou/p/4113109.html