1 /* 2 * reserved comment block 3 * DO NOT REMOVE OR ALTER! 4 */ 5 /** 6 * Licensed to the Apache Software Foundation (ASF) under one 7 * or more contributor license agreements. See the NOTICE file 8 * distributed with this work for additional information 9 * regarding copyright ownership. The ASF licenses this file 10 * to you under the Apache License, Version 2.0 (the 11 * "License"); you may not use this file except in compliance 12 * with the License. You may obtain a copy of the License at 13 * 14 * http://www.apache.org/licenses/LICENSE-2.0 15 * 16 * Unless required by applicable law or agreed to in writing, 17 * software distributed under the License is distributed on an 18 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 19 * KIND, either express or implied. See the License for the 20 * specific language governing permissions and limitations 21 * under the License. 22 */ 23 package com.sun.org.apache.xml.internal.security.keys.storage.implementations; 24 25 import java.security.cert.Certificate; 26 import java.security.cert.X509Certificate; 27 import java.util.Iterator; 28 import java.util.NoSuchElementException; 29 30 import com.sun.org.apache.xml.internal.security.keys.storage.StorageResolverSpi; 31 32 /** 33 * This {@link StorageResolverSpi} makes a single {@link X509Certificate} 34 * available to the {@link com.sun.org.apache.xml.internal.security.keys.storage.StorageResolver}. 35 */ 36 public class SingleCertificateResolver extends StorageResolverSpi { 37 38 /** Field certificate */ 39 private X509Certificate certificate; 40 41 /** 42 * @param x509cert the single {@link X509Certificate} 43 */ SingleCertificateResolver(X509Certificate x509cert)44 public SingleCertificateResolver(X509Certificate x509cert) { 45 this.certificate = x509cert; 46 } 47 48 /** {@inheritDoc} */ getIterator()49 public Iterator<Certificate> getIterator() { 50 return new InternalIterator(this.certificate); 51 } 52 53 /** 54 * Class InternalIterator 55 */ 56 static class InternalIterator implements Iterator<Certificate> { 57 58 /** Field alreadyReturned */ 59 boolean alreadyReturned = false; 60 61 /** Field certificate */ 62 X509Certificate certificate = null; 63 64 /** 65 * Constructor InternalIterator 66 * 67 * @param x509cert 68 */ InternalIterator(X509Certificate x509cert)69 public InternalIterator(X509Certificate x509cert) { 70 this.certificate = x509cert; 71 } 72 73 /** {@inheritDoc} */ hasNext()74 public boolean hasNext() { 75 return !this.alreadyReturned; 76 } 77 78 /** {@inheritDoc} */ next()79 public Certificate next() { 80 if (this.alreadyReturned) { 81 throw new NoSuchElementException(); 82 } 83 this.alreadyReturned = true; 84 return this.certificate; 85 } 86 87 /** 88 * Method remove 89 */ remove()90 public void remove() { 91 throw new UnsupportedOperationException("Can't remove keys from KeyStore"); 92 } 93 } 94 } 95