Java HTTP protocol Server Demo

Tag:java    Server    http protocol    

Import java.io.*;  Import java.net.*; /** * Myhttpserver implement a simple HTTP server side, you can get the user submitted content * and give the user a response * because of the time of the relationship, the HTTP header processing is not standardized * **/public class Myhttpser      ver {//server root directory, post.html, upload.html are placed in the location public static String Web_root = "C:/root";      Port private int port;      The URL of the file requested by the user private String Requestpath;      Mltipart/form-data method submits the delimiter for post, private String boundary = null;        The length of the body of the post submission request is private int contentlength = 0;          Public Myhttpserver (String root, int port) {web_root = root;          This.port = port;      Requestpath = null; }//Handle GET request private void doget (DataInputStream reader, outputstream out) throws Exception {if (new Fil E (Web_root + This.requestpath). Exists ()) {//Find the requested file from the server root and send it back to the browser inputstream Filein = new F              Ileinputstream (Web_root + this.requestpath);              byte[] buf = new byte[filein.available ()];        Filein.read (BUF);      Out.write (BUF);              Out.close ();              Filein.close ();              Reader.close ();          SYSTEM.OUT.PRINTLN ("request complete."); }}//processing POST request private void DoPost (DataInputStream reader, outputstream out) throws Exception {St          Ring line = Reader.readline ();              while (line! = null) {System.out.println (line);              line = Reader.readline ();              if ("". Equals (line)} {break; } else if (Line.indexof ("Content-length")! =-1) {this.contentlength = Integer.parseint (line.substring (l              Ine.indexof ("content-length") + 16);              }//indicates to upload an attachment and jumps to the Domultipart method. else if (Line.indexof ("Multipart/form-data")! =-1) {//Multiltipart delimiter this.boundary = l                  Ine.substring (Line.indexof ("boundary") + 9);                  This.domultipart (reader, out);              Return }          }          Continue to read System.out.println ("Begin reading posted data ...") submitted by normal post (no attachments);          String dataline = null;          The user sends the Post data body byte[] buf = {};          int size = 0;              if (this.contentlength! = 0) {buf = new byte[this.contentlength];                  while (size<this.contentlength) {int c = reader.read ();                                buf[size++] = (byte) c;          } System.out.println ("The data user posted:" + New String (buf, 0, size));          }//Send back content to the browser String response = "";          Response + = "http/1.1 ok/n";          Response + = "Server:sunpache 1.0/n";          Response + = "content-type:text/html/n";          Response + = "Last-modified:mon, 1998 13:23:42 gmt/n";          Response + = "Accept-ranges:bytes";          Response + = "/n"; String BODY = "
Java HTTP protocol Server Demo