| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package org.apache.xml.security.keys.storage.implementations; |
| |
| import java.security.cert.Certificate; |
| import java.security.cert.X509Certificate; |
| import java.util.Iterator; |
| import java.util.NoSuchElementException; |
| |
| import org.apache.xml.security.keys.storage.StorageResolverSpi; |
| |
| /** |
| * This {@link StorageResolverSpi} makes a single {@link X509Certificate} |
| * available to the {@link org.apache.xml.security.keys.storage.StorageResolver}. |
| */ |
| public class SingleCertificateResolver extends StorageResolverSpi { |
| |
| /** Field certificate */ |
| private X509Certificate certificate; |
| |
| /** |
| * @param x509cert the single {@link X509Certificate} |
| */ |
| public SingleCertificateResolver(X509Certificate x509cert) { |
| this.certificate = x509cert; |
| } |
| |
| /** {@inheritDoc} */ |
| public Iterator<Certificate> getIterator() { |
| return new InternalIterator(this.certificate); |
| } |
| |
| /** |
| * Class InternalIterator |
| */ |
| static class InternalIterator implements Iterator<Certificate> { |
| |
| /** Field alreadyReturned */ |
| boolean alreadyReturned = false; |
| |
| /** Field certificate */ |
| X509Certificate certificate = null; |
| |
| /** |
| * Constructor InternalIterator |
| * |
| * @param x509cert |
| */ |
| public InternalIterator(X509Certificate x509cert) { |
| this.certificate = x509cert; |
| } |
| |
| /** {@inheritDoc} */ |
| public boolean hasNext() { |
| return !this.alreadyReturned; |
| } |
| |
| /** {@inheritDoc} */ |
| public Certificate next() { |
| if (this.alreadyReturned) { |
| throw new NoSuchElementException(); |
| } |
| this.alreadyReturned = true; |
| return this.certificate; |
| } |
| |
| /** |
| * Method remove |
| */ |
| public void remove() { |
| throw new UnsupportedOperationException("Can't remove keys from KeyStore"); |
| } |
| } |
| } |