1/* 2 * Licensed to the Apache Software Foundation (ASF) under one or more 3 * contributor license agreements. See the NOTICE file distributed with 4 * this work for additional information regarding copyright ownership. 5 * The ASF licenses this file to You under the Apache License, Version 2.0 6 * (the "License"); you may not use this file except in compliance with 7 * the License. You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 18package java.security.cert; 19 20import java.util.Iterator; 21import java.util.Set; 22 23/** 24 * The interface to a valid policy tree node for the PKIX certification path 25 * validation algorithm. 26 * <p> 27 * Instances of this class are one of the outputs of the PKIX certification path 28 * validation algorithm. 29 */ 30public interface PolicyNode { 31 32 /** 33 * Returns the list of children of this node as an {@code Iterator}. 34 * 35 * @return the list of children of this node as an {@code Iterator}. 36 */ 37 public Iterator<? extends PolicyNode> getChildren(); 38 39 /** 40 * Returns the depth of this node in the policy tree. 41 * <p> 42 * the depth is zero based. 43 * 44 * @return the depth of this node in the policy tree. 45 */ 46 public int getDepth(); 47 48 /** 49 * Returns the expected policies for the next certificate to be valid. 50 * 51 * @return the expected policies. 52 */ 53 public Set<String> getExpectedPolicies(); 54 55 /** 56 * Returns the parent policy node. 57 * 58 * @return the parent policy node. 59 */ 60 public PolicyNode getParent(); 61 62 /** 63 * Returns the policy qualifiers associated with the policy of this node. 64 * 65 * @return the policy qualifiers associated with the policy of this node. 66 */ 67 public Set<? extends PolicyQualifierInfo> getPolicyQualifiers(); 68 69 /** 70 * Returns the valid policy of this node. 71 * 72 * @return the valid policy of this node. 73 */ 74 public String getValidPolicy(); 75 76 /** 77 * Returns whether the certificate policy extension of the most recently 78 * processed certificate is marked as critical. 79 * 80 * @return {@code true} if the extension is marked as critical, otherwise 81 * {@code false}. 82 */ 83 public boolean isCritical(); 84} 85