1 // 2 // ======================================================================== 3 // Copyright (c) 1995-2014 Mort Bay Consulting Pty. Ltd. 4 // ------------------------------------------------------------------------ 5 // All rights reserved. This program and the accompanying materials 6 // are made available under the terms of the Eclipse Public License v1.0 7 // and Apache License v2.0 which accompanies this distribution. 8 // 9 // The Eclipse Public License is available at 10 // http://www.eclipse.org/legal/epl-v10.html 11 // 12 // The Apache License v2.0 is available at 13 // http://www.opensource.org/licenses/apache2.0.php 14 // 15 // You may elect to redistribute this code under either of these licenses. 16 // ======================================================================== 17 // 18 19 20 package org.eclipse.jetty.util; 21 22 import java.util.HashMap; 23 import java.util.HashSet; 24 import java.util.Map; 25 26 /* ------------------------------------------------------------ */ 27 /** 28 */ 29 @SuppressWarnings("serial") 30 public class HostMap<TYPE> extends HashMap<String, TYPE> 31 { 32 33 /* --------------------------------------------------------------- */ 34 /** Construct empty HostMap. 35 */ HostMap()36 public HostMap() 37 { 38 super(11); 39 } 40 41 /* --------------------------------------------------------------- */ 42 /** Construct empty HostMap. 43 * 44 * @param capacity initial capacity 45 */ HostMap(int capacity)46 public HostMap(int capacity) 47 { 48 super (capacity); 49 } 50 51 /* ------------------------------------------------------------ */ 52 /** 53 * @see java.util.HashMap#put(java.lang.Object, java.lang.Object) 54 */ 55 @Override put(String host, TYPE object)56 public TYPE put(String host, TYPE object) 57 throws IllegalArgumentException 58 { 59 return super.put(host, object); 60 } 61 62 /* ------------------------------------------------------------ */ 63 /** 64 * @see java.util.HashMap#get(java.lang.Object) 65 */ 66 @Override get(Object key)67 public TYPE get(Object key) 68 { 69 return super.get(key); 70 } 71 72 /* ------------------------------------------------------------ */ 73 /** 74 * Retrieve a lazy list of map entries associated with specified 75 * hostname by taking into account the domain suffix matches. 76 * 77 * @param host hostname 78 * @return lazy list of map entries 79 */ getLazyMatches(String host)80 public Object getLazyMatches(String host) 81 { 82 if (host == null) 83 return LazyList.getList(super.entrySet()); 84 85 int idx = 0; 86 String domain = host.trim(); 87 HashSet<String> domains = new HashSet<String>(); 88 do { 89 domains.add(domain); 90 if ((idx = domain.indexOf('.')) > 0) 91 { 92 domain = domain.substring(idx+1); 93 } 94 } while (idx > 0); 95 96 Object entries = null; 97 for(Map.Entry<String, TYPE> entry: super.entrySet()) 98 { 99 if (domains.contains(entry.getKey())) 100 { 101 entries = LazyList.add(entries,entry); 102 } 103 } 104 105 return entries; 106 } 107 108 } 109