1 // ======================================================================== 2 // Copyright (c) 2010 Mort Bay Consulting Pty. Ltd. 3 // ------------------------------------------------------------------------ 4 // All rights reserved. This program and the accompanying materials 5 // are made available under the terms of the Eclipse Public License v1.0 6 // and Apache License v2.0 which accompanies this distribution. 7 // The Eclipse Public License is available at 8 // http://www.eclipse.org/legal/epl-v10.html 9 // The Apache License v2.0 is available at 10 // http://www.opensource.org/licenses/apache2.0.php 11 // You may elect to redistribute this code under either of these licenses. 12 // ======================================================================== 13 14 15 package org.eclipse.jetty.util; 16 17 import java.util.HashMap; 18 import java.util.HashSet; 19 import java.util.Map; 20 21 /* ------------------------------------------------------------ */ 22 /** 23 */ 24 public class HostMap<TYPE> extends HashMap<String, TYPE> 25 { 26 /* --------------------------------------------------------------- */ 27 /** Construct empty HostMap. 28 */ 29 public HostMap() 30 { 31 super(11); 32 } 33 34 /* --------------------------------------------------------------- */ 35 /** Construct empty HostMap. 36 * 37 * @param capacity initial capacity 38 */ 39 public HostMap(int capacity) 40 { 41 super (capacity); 42 } 43 44 /* ------------------------------------------------------------ */ 45 /** 46 * @see java.util.HashMap#put(java.lang.Object, java.lang.Object) 47 */ 48 @Override 49 public TYPE put(String host, TYPE object) 50 throws IllegalArgumentException 51 { 52 return super.put(host, object); 53 } 54 55 /* ------------------------------------------------------------ */ 56 /** 57 * @see java.util.HashMap#get(java.lang.Object) 58 */ 59 @Override 60 public TYPE get(Object key) 61 { 62 return super.get(key); 63 } 64 65 /* ------------------------------------------------------------ */ 66 /** 67 * Retrieve a lazy list of map entries associated with specified 68 * hostname by taking into account the domain suffix matches. 69 * 70 * @param host hostname 71 * @return lazy list of map entries 72 */ 73 public Object getLazyMatches(String host) 74 { 75 if (host == null) 76 return LazyList.getList(super.entrySet()); 77 78 int idx = 0; 79 String domain = host.trim(); 80 HashSet<String> domains = new HashSet<String>(); 81 do { 82 domains.add(domain); 83 if ((idx = domain.indexOf('.')) > 0) 84 { 85 domain = domain.substring(idx+1); 86 } 87 } while (idx > 0); 88 89 Object entries = null; 90 for(Map.Entry<String, TYPE> entry: super.entrySet()) 91 { 92 if (domains.contains(entry.getKey())) 93 { 94 entries = LazyList.add(entries,entry); 95 } 96 } 97 98 return entries; 99 } 100 101 }