зеркало из https://github.com/mozilla/pjs.git
293 строки
9.4 KiB
Java
293 строки
9.4 KiB
Java
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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import java.io.*;
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import java.util.Date;
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import java.util.StringTokenizer;
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/*
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ScriptFile class reads off the script file and sets up the list
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of delimiters.
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*/
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class ScriptFile {
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public static final String URLMAP = new String("docs/urlmap");
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public ScriptFile(Connection c, String req, PrintWriter stream ) {
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con = c;
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request = req;
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out = stream;
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if (out == null)
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out = new PrintWriter(System.out);
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file = URLMAP;
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try {
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Parse();
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}
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catch (IOException e)
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{
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out.println("HTTP/1.1 500 Server Error\n\n");
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out.println("Failed with this exception-");
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out.println(e);
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}
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out.flush();
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}
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public ScriptFile(String f) {
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file = f;
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out = new PrintWriter(System.out);
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try {
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Parse();
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}
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catch (FileNotFoundException e)
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{
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out.println("HTTP/1.1 404 File Not Found\n\n");
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out.println("File not found!");
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out.println(e);
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}
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catch (IOException e)
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{
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out.println("HTTP/1.1 500 Server Error\n\n");
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out.println("Failed with this exception-");
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out.println(e);
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}
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out.flush();
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}
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public void Parse () throws IOException {
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if ((request == null) ||
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(request.length() == 0) ||
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request.startsWith("GET / ") || request.startsWith("get / "))
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{
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WriteDefaultResponse();
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return;
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}
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if (request.startsWith("GET /?") || request.startsWith("get /?"))
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{
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WriteSpecialResponse(request.substring(request.indexOf('?')+1));
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return;
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}
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if (request.startsWith("HEAD /") || request.startsWith("head /"))
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{
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WriteHeadResponse();
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return;
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}
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boolean outDirty = false;
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if (file != null)
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{
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BufferedReader in = new BufferedReader(
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new InputStreamReader(
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new FileInputStream(file)));
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String s = new String();
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while((s = in.readLine())!= null)
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{
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s.trim();
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/* Skip comments */
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if ((s.length() == 0) || (s.charAt(0) == '#'))
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continue;
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if (s.startsWith("START")) {
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// Check to see if this was in the requested URL
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String filename = new String ("GET " + s.substring(6));
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String otherfilename = new String("POST " + s.substring(6));
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if (request.startsWith(filename) ||
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request.startsWith(otherfilename))
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{
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continue;
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}
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else// Else skipto past the END
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{
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while (!s.startsWith("END"))
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{
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s = in.readLine();
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if (s != null)
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{
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s.trim();
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}
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else
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break;
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}
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}
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}
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else if (s.startsWith("ECHO")) {
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outDirty = true;
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boolean parameter = false;
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try {
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String header = new String(s.substring(5));
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String req= new String(con.request);
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int t = req.indexOf(header);
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if (t != -1) {
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out.println(req.substring(
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t, req.indexOf("\n", t)));
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parameter = true;
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}
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else {
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out.println("Error: " + header +
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" not specified in request!");
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}
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}
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catch (StringIndexOutOfBoundsException e) {}
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if (!parameter)
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out.println(con.request);
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}
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else if (s.startsWith("INCLUDE")) {
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outDirty = true;
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WriteOutFile("docs/" + s.substring(8));
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}
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else if (s.startsWith("CRLF")) {
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outDirty = true;
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out.println();
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}
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else if (s.startsWith("END")) {
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// ignore should never have appeared here though!
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continue;
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}
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else {// Not a recognizable line... just print it as is...
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outDirty = true;
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out.println(s);
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}
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}
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in.close();
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if (outDirty)
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{
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out.flush();
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}
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else
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WriteDefaultResponse();
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}
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}
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public static void main(String args[]) {
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if (args.length >= 1) {
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ScriptFile sf = new ScriptFile(args[0]);
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/* Detect change stuff;
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File f = new File(args[0]);
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long lastMod = f.lastModified();
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while (f.lastModified() == lastMod) {
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}
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sf.Parse();
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*/
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}
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}
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protected void WriteOutFile(String filename) throws IOException {
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BufferedReader incl = new BufferedReader(
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new InputStreamReader(
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new FileInputStream(filename)));
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// This doesn't have to be line wise... change later TODO
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String s;
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while ((s = incl.readLine()) != null)
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{
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out.println(s);
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}
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incl.close();
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}
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protected void WriteDefaultResponse() throws IOException {
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WriteOutFile("docs/generic.res");
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out.println("Date: " + (new Date()).toString());
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if (file != null)
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{
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File f = new File(file);
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out.println("Last-modified: " + (new Date(f.lastModified())).toString());
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}
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out.println("\n"); // prints 2
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if (con != null)
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{
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out.println("<HTML><BODY>");
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out.println("<H3>Rec'd. the following request-</H3>");
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out.println("<PRE>");
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out.println(con.request);
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out.println("</PRE>");
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out.println("From- " + con.client);
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out.println("</BODY></HTML>");
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}
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}
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protected void WriteSpecialResponse(String specialcase) throws IOException {
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out.println("HTTP/1.1 200 OK");
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out.println("Server: HTTP Test Server/1.1");
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out.println("Content-Type: text/plain");
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StringTokenizer st = new StringTokenizer(specialcase, " &");
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while (st.hasMoreTokens()) {
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String pair = st.nextToken();
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if (pair.startsWith("Length=") || pair.startsWith("length="))
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{
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int len = Integer.valueOf(pair.substring(
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pair.indexOf('=')+1), 10).intValue();
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out.println("Date: " + (new Date()).toString());
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out.println("Content-Length: " + len);
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out.println("\n");
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for (int i = 0; i<len; i++) {
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out.print ((char)i%10);
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if ((i>0) && ((i+1)%80) == 0)
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out.print('\n');
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out.flush();
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}
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return;
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}
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}
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}
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protected void WriteHeadResponse() {
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out.println("HTTP/1.1 200 OK");
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out.println("Server: HTTP Test Server/1.1");
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out.println("Content-Type: text/plain");
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out.println("Content-Length: 1000" ); // bogus
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out.println("Date: " + (new Date()).toString());
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out.println(); // also test without it
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out.flush();
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}
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String file = null;
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// The string associated with this script occurence
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String request;
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PrintWriter out;
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Connection con;
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}
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