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. Sun designates this |
| 8 | * particular file as subject to the "Classpath" exception as provided |
| 9 | * by Sun in the LICENSE file that accompanied this code. |
| 10 | * |
| 11 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| 14 | * version 2 for more details (a copy is included in the LICENSE file that |
| 15 | * accompanied this code). |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License version |
| 18 | * 2 along with this work; if not, write to the Free Software Foundation, |
| 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| 20 | * |
| 21 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 22 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 23 | * have any questions. |
| 24 | */ |
| 25 | |
| 26 | package sun.net.httpserver; |
| 27 | |
| 28 | import java.util.*; |
| 29 | import com.sun.net.httpserver.*; |
| 30 | import com.sun.net.httpserver.spi.*; |
| 31 | |
| 32 | class ContextList { |
| 33 | |
| 34 | final static int MAX_CONTEXTS = 50; |
| 35 | |
| 36 | LinkedList<HttpContextImpl> list = new LinkedList<HttpContextImpl>(); |
| 37 | |
| 38 | public synchronized void add (HttpContextImpl ctx) { |
| 39 | assert ctx.getPath() != null; |
| 40 | list.add (ctx); |
| 41 | } |
| 42 | |
| 43 | public synchronized int size () { |
| 44 | return list.size(); |
| 45 | } |
| 46 | |
| 47 | /* initially contexts are located only by protocol:path. |
| 48 | * Context with longest prefix matches (currently case-sensitive) |
| 49 | */ |
| 50 | synchronized HttpContextImpl findContext (String protocol, String path) { |
| 51 | return findContext (protocol, path, false); |
| 52 | } |
| 53 | |
| 54 | synchronized HttpContextImpl findContext (String protocol, String path, boolean exact) { |
| 55 | protocol = protocol.toLowerCase(); |
| 56 | String longest = ""; |
| 57 | HttpContextImpl lc = null; |
| 58 | for (HttpContextImpl ctx: list) { |
| 59 | if (!ctx.getProtocol().equals(protocol)) { |
| 60 | continue; |
| 61 | } |
| 62 | String cpath = ctx.getPath(); |
| 63 | if (exact && !cpath.equals (path)) { |
| 64 | continue; |
| 65 | } else if (!exact && !path.startsWith(cpath)) { |
| 66 | continue; |
| 67 | } |
| 68 | if (cpath.length() > longest.length()) { |
| 69 | longest = cpath; |
| 70 | lc = ctx; |
| 71 | } |
| 72 | } |
| 73 | return lc; |
| 74 | } |
| 75 | |
| 76 | public synchronized void remove (String protocol, String path) |
| 77 | throws IllegalArgumentException |
| 78 | { |
| 79 | HttpContextImpl ctx = findContext (protocol, path, true); |
| 80 | if (ctx == null) { |
| 81 | throw new IllegalArgumentException ("cannot remove element from list"); |
| 82 | } |
| 83 | list.remove (ctx); |
| 84 | } |
| 85 | |
| 86 | public synchronized void remove (HttpContextImpl context) |
| 87 | throws IllegalArgumentException |
| 88 | { |
| 89 | for (HttpContextImpl ctx: list) { |
| 90 | if (ctx.equals (context)) { |
| 91 | list.remove (ctx); |
| 92 | return; |
| 93 | } |
| 94 | } |
| 95 | throw new IllegalArgumentException ("no such context in list"); |
| 96 | } |
| 97 | } |