1 /* 2 * Copyright 2001-2004 The Apache Software Foundation. 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 package org.apache.neethi; 17 18 /** 19 * PolicyRegistry contains (URI,Policy) pairs and it is used to resolve explicit 20 * Policy references. 21 * 22 */ 23 public interface PolicyRegistry { 24 25 /** 26 * Associates a key with a Policy 27 * 28 * @param key 29 * the key that the specified Policy to be associated 30 * @param policy 31 * the policy to be associated with the key 32 */ 33 public void register(String key, Policy policy); 34 35 /** 36 * Returns the Policy that the specified key is mapped. Retruns null if no 37 * Policy is associated with that key. 38 * 39 * @param key 40 * the key whose associated Policy is to be returned. 41 * @return the policy associated with the specified key. 42 */ 43 public Policy lookup(String key); 44 45 /** 46 * Removes the mapping for this key if present. 47 * 48 * @param key 49 * the key whose mapping is to be removed 50 */ 51 public void remove(String key); 52 53 }