J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2005 Sun Microsystems, Inc. All Rights Reserved. |
| 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 | * |
| 5 | * This code is free software; you can redistribute it and/or modify it |
| 6 | * under the terms of the GNU General Public License version 2 only, as |
| 7 | * published by the Free Software Foundation. |
| 8 | * |
| 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| 12 | * version 2 for more details (a copy is included in the LICENSE file that |
| 13 | * accompanied this code). |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License version |
| 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
| 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| 18 | * |
| 19 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 20 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 21 | * have any questions. |
| 22 | */ |
| 23 | |
| 24 | import java.util.*; |
| 25 | import java.util.concurrent.*; |
| 26 | import java.io.*; |
| 27 | import java.net.*; |
| 28 | import java.security.*; |
| 29 | import javax.net.ssl.*; |
| 30 | import com.sun.net.httpserver.*; |
| 31 | |
| 32 | /** |
| 33 | * Implements a basic static content HTTP server |
| 34 | * which understands text/html, text/plain content types |
| 35 | * |
| 36 | * Must be given an abs pathname to the document root. |
| 37 | * Directory listings together with text + html files |
| 38 | * can be served. |
| 39 | */ |
| 40 | public class FileServerHandler implements HttpHandler { |
| 41 | |
| 42 | public static void main (String[] args) throws Exception { |
| 43 | if (args.length != 3) { |
| 44 | System.out.println ("usage: java FileServerHandler rootDir port logfilename"); |
| 45 | System.exit(1); |
| 46 | } |
| 47 | String rootDir = args[0]; |
| 48 | int port = Integer.parseInt (args[1]); |
| 49 | String logfile = args[2]; |
| 50 | HttpServer server = HttpServer.create (new InetSocketAddress (8000), 0); |
| 51 | HttpHandler h = new FileServerHandler (rootDir); |
| 52 | |
| 53 | HttpContext c = server.createContext ("/", h); |
| 54 | c.getFilters().add (new LogFilter (new File (logfile))); |
| 55 | server.setExecutor (Executors.newCachedThreadPool()); |
| 56 | server.start (); |
| 57 | } |
| 58 | |
| 59 | String docroot; |
| 60 | |
| 61 | FileServerHandler (String docroot) { |
| 62 | this.docroot = docroot; |
| 63 | } |
| 64 | |
| 65 | int invocation = 1; |
| 66 | public void handle (HttpExchange t) |
| 67 | throws IOException |
| 68 | { |
| 69 | InputStream is = t.getRequestBody(); |
| 70 | Headers map = t.getRequestHeaders(); |
| 71 | Headers rmap = t.getResponseHeaders(); |
| 72 | URI uri = t.getRequestURI(); |
| 73 | String path = uri.getPath(); |
| 74 | |
| 75 | while (is.read () != -1) ; |
| 76 | is.close(); |
| 77 | File f = new File (docroot, path); |
| 78 | if (!f.exists()) { |
| 79 | notfound (t, path); |
| 80 | return; |
| 81 | } |
| 82 | String fixedrequest = map.getFirst ("XFixed"); |
| 83 | |
| 84 | String method = t.getRequestMethod(); |
| 85 | if (method.equals ("HEAD")) { |
| 86 | rmap.set ("Content-Length", Long.toString (f.length())); |
| 87 | t.sendResponseHeaders (200, -1); |
| 88 | t.close(); |
| 89 | } else if (!method.equals("GET")) { |
| 90 | t.sendResponseHeaders (405, -1); |
| 91 | t.close(); |
| 92 | return; |
| 93 | } |
| 94 | |
| 95 | if (path.endsWith (".html") || path.endsWith (".htm")) { |
| 96 | rmap.set ("Content-Type", "text/html"); |
| 97 | } else { |
| 98 | rmap.set ("Content-Type", "text/plain"); |
| 99 | } |
| 100 | if (f.isDirectory()) { |
| 101 | if (!path.endsWith ("/")) { |
| 102 | moved (t); |
| 103 | return; |
| 104 | } |
| 105 | rmap.set ("Content-Type", "text/html"); |
| 106 | t.sendResponseHeaders (200, 0); |
| 107 | String[] list = f.list(); |
| 108 | OutputStream os = t.getResponseBody(); |
| 109 | PrintStream p = new PrintStream (os); |
| 110 | p.println ("<h2>Directory listing for: " + path+ "</h2>"); |
| 111 | p.println ("<ul>"); |
| 112 | for (int i=0; i<list.length; i++) { |
| 113 | p.println ("<li><a href=\""+list[i]+"\">"+list[i]+"</a></li>"); |
| 114 | } |
| 115 | p.println ("</ul><p><hr>"); |
| 116 | p.flush(); |
| 117 | p.close(); |
| 118 | } else { |
| 119 | int clen; |
| 120 | if (fixedrequest != null) { |
| 121 | clen = (int) f.length(); |
| 122 | } else { |
| 123 | clen = 0; |
| 124 | } |
| 125 | t.sendResponseHeaders (200, clen); |
| 126 | OutputStream os = t.getResponseBody(); |
| 127 | FileInputStream fis = new FileInputStream (f); |
| 128 | int count = 0; |
| 129 | try { |
| 130 | byte[] buf = new byte [16 * 1024]; |
| 131 | int len; |
| 132 | while ((len=fis.read (buf)) != -1) { |
| 133 | os.write (buf, 0, len); |
| 134 | count += len; |
| 135 | } |
| 136 | } catch (IOException e) { |
| 137 | e.printStackTrace(); |
| 138 | } |
| 139 | fis.close(); |
| 140 | os.close(); |
| 141 | } |
| 142 | } |
| 143 | |
| 144 | void moved (HttpExchange t) throws IOException { |
| 145 | Headers req = t.getRequestHeaders(); |
| 146 | Headers map = t.getResponseHeaders(); |
| 147 | URI uri = t.getRequestURI(); |
| 148 | String host = req.getFirst ("Host"); |
| 149 | String location = "http://"+host+uri.getPath() + "/"; |
| 150 | map.set ("Content-Type", "text/html"); |
| 151 | map.set ("Location", location); |
| 152 | t.sendResponseHeaders (301, -1); |
| 153 | t.close(); |
| 154 | } |
| 155 | |
| 156 | void notfound (HttpExchange t, String p) throws IOException { |
| 157 | t.getResponseHeaders().set ("Content-Type", "text/html"); |
| 158 | t.sendResponseHeaders (404, 0); |
| 159 | OutputStream os = t.getResponseBody(); |
| 160 | String s = "<h2>File not found</h2>"; |
| 161 | s = s + p + "<p>"; |
| 162 | os.write (s.getBytes()); |
| 163 | os.close(); |
| 164 | t.close(); |
| 165 | } |
| 166 | } |