1/* 2 * Copyright (c) 2005, Oracle and/or its affiliates. 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. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26package sun.net.httpserver; 27 28import java.util.*; 29import com.sun.net.httpserver.*; 30import com.sun.net.httpserver.spi.*; 31 32class 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} 98