+++ /dev/null
-package Interface;
-//****************************************************************************
-// Programmer: Duane M. Gran, ragnar@cs.bsu.edu
-// Program: JhttpServer
-// Date: April 24, 1998
-//****************************************************************************
-
-
-import java.net.*;
-import java.io.*;
-import java.util.*;
-
-//****************************************************************************
-// Class: JhttpWorker
-// Purpose: Takes an HTTP request and executes it in a separate thread
-//****************************************************************************
-
-public class JhttpWorker extends Thread{
- public String fileName = null;
- public String methodType = null;
- public String httpVersion = "http/1.0";
- private Socket client;
- public int fileLength, returnCode;
- private boolean logging;
- private WebInterface webinterface;
-
- public JhttpWorker(Socket client, boolean logging, WebInterface webinterface) {
- this.client=client;
- this.logging=logging;
- this.webinterface=webinterface;
- }
-
- public void run(){
- HTTPResponse resp = new HTTPResponse();
-
- BufferedReader in = null;
- OutputStream out = null;
-
- resp.returnCode = 200;
- resp.sentBytes = 0;
-
- try {
-
- in = new BufferedReader(
- new InputStreamReader(
- client.getInputStream()));
-
- out = client.getOutputStream();
- }
- catch(IOException e){
- // I'm not too good at HTTP. Normally, we should put some
- // error code here. Anyway, I have assumed that an error
- // is equivalent to an unhandled request / method (501)
- resp.returnCode = 501;
- }
-
- if(resp.returnCode == 200){
- // call the appropriate hanndler
- switch(method(in)){
-
- case 0:
- if (webinterface.specialRequest(fileName)) {
- String newfile=webinterface.handleresponse(fileName, out, resp);
- if (newfile!=null) {
- HTTPServices.GET_handler(newfile, out, resp);
- }
- } else
- HTTPServices.GET_handler(fileName, out, resp);
- break;
- case 1:
- HTTPServices.HEAD_handler(fileName, out, resp);
- break;
- case 2:
- HTTPServices.POST_handler(fileName, out, resp);
- break;
- default:
- resp.returnCode = 501; //error
- }
-
- try{
- out.flush();
- if (logging)
- LogFile.write_log(client,methodType,fileName,httpVersion,
- resp.returnCode,resp.sentBytes);
-
- out.close();
- in.close();
- client.close();
- }
- catch(IOException e){
- ; // do nothing
- }
- }
-
- // System.out.println(fileName + " is going to finish"); // debug
- }
-
-//*****************************************************************************
-// Function: method()
-// Purpose: Open an InputStream and parse the request made.
-// Note: Regardless of what method is requested, right now it performs a
-// GET operation.
-// Calls:
-// Returns: Boolean value for success or failure
-//*****************************************************************************
-
- private int method(BufferedReader in){
- int ret = -1;
-
- try{
- String line;
-
- // read just the first line
- line = in.readLine();
- // only spaces used
- StringTokenizer tok = new StringTokenizer(line, " ");
- if (tok.hasMoreTokens()) // make sure there is a request
- {
- String str = tok.nextToken();
-
- if ( str.equals("GET") ){
- ret = 0;
- methodType = "GET";
- }
- else if ( str.equals("HEAD") ){
- ret = 1;
- methodType = "HEAD";
- }
- else if ( str.equals("POST") ){
- ret = 2;
- methodType = "POST";
- }
- else{
- System.out.println("501 - unsupported request:" +str);
- return -1;
- }
- }
- else{
- // System.out.println("Request from browser was empty!");
- return -1;
- }
-
- // get the filename
- if (tok.hasMoreTokens())
- {
- fileName = tok.nextToken();
- if(fileName.equals("/"))
- {
- fileName = "/index.html";
- }
- }
- else
- {
- // this is weird... why am i taking the first character of
- // the filename if there are no more tokens?
- // - catch should take care of this
- fileName = fileName.substring(1);
- }
-
- // read the http version number
- // - right now nothing is done with this information
- if (tok.hasMoreTokens())
- {
- httpVersion = tok.nextToken();
- }
- else
- {
- httpVersion = "http/1.0"; // default
- }
-
- // read remainder of the browser's header
- // - nothing done right now with this info... placeholder
- while((line = in.readLine()) != null)
- {
- StringTokenizer token = new StringTokenizer(line," ");
-
- // do processing here
- if(!token.hasMoreTokens())
- {
- break;
- }
- }
- }
- catch(Exception e){
- System.err.println(e);
- return -1;
- }
-
- return ret;
- }
-}
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