| /* |
| * Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package java.security.cert; |
| |
| import java.io.Serializable; |
| import java.util.Collection; |
| import java.util.Collections; |
| |
| /** |
| * Parameters used as input for the Collection {@code CertStore} |
| * algorithm. |
| * <p> |
| * This class is used to provide necessary configuration parameters |
| * to implementations of the Collection {@code CertStore} |
| * algorithm. The only parameter included in this class is the |
| * {@code Collection} from which the {@code CertStore} will |
| * retrieve certificates and CRLs. |
| * <p> |
| * <b>Concurrent Access</b> |
| * <p> |
| * Unless otherwise specified, the methods defined in this class are not |
| * thread-safe. Multiple threads that need to access a single |
| * object concurrently should synchronize amongst themselves and |
| * provide the necessary locking. Multiple threads each manipulating |
| * separate objects need not synchronize. |
| * |
| * @since 1.4 |
| * @author Steve Hanna |
| * @see java.util.Collection |
| * @see CertStore |
| */ |
| public class CollectionCertStoreParameters |
| implements CertStoreParameters { |
| |
| private Collection<?> coll; |
| |
| /** |
| * Creates an instance of {@code CollectionCertStoreParameters} |
| * which will allow certificates and CRLs to be retrieved from the |
| * specified {@code Collection}. If the specified |
| * {@code Collection} contains an object that is not a |
| * {@code Certificate} or {@code CRL}, that object will be |
| * ignored by the Collection {@code CertStore}. |
| * <p> |
| * The {@code Collection} is <b>not</b> copied. Instead, a |
| * reference is used. This allows the caller to subsequently add or |
| * remove {@code Certificates} or {@code CRL}s from the |
| * {@code Collection}, thus changing the set of |
| * {@code Certificates} or {@code CRL}s available to the |
| * Collection {@code CertStore}. The Collection {@code CertStore} |
| * will not modify the contents of the {@code Collection}. |
| * <p> |
| * If the {@code Collection} will be modified by one thread while |
| * another thread is calling a method of a Collection {@code CertStore} |
| * that has been initialized with this {@code Collection}, the |
| * {@code Collection} must have fail-fast iterators. |
| * |
| * @param collection a {@code Collection} of |
| * {@code Certificate}s and {@code CRL}s |
| * @exception NullPointerException if {@code collection} is |
| * {@code null} |
| */ |
| public CollectionCertStoreParameters(Collection<?> collection) { |
| if (collection == null) |
| throw new NullPointerException(); |
| coll = collection; |
| } |
| |
| /** |
| * Creates an instance of {@code CollectionCertStoreParameters} with |
| * the default parameter values (an empty and immutable |
| * {@code Collection}). |
| */ |
| public CollectionCertStoreParameters() { |
| coll = Collections.EMPTY_SET; |
| } |
| |
| /** |
| * Returns the {@code Collection} from which {@code Certificate}s |
| * and {@code CRL}s are retrieved. This is <b>not</b> a copy of the |
| * {@code Collection}, it is a reference. This allows the caller to |
| * subsequently add or remove {@code Certificates} or |
| * {@code CRL}s from the {@code Collection}. |
| * |
| * @return the {@code Collection} (never null) |
| */ |
| public Collection<?> getCollection() { |
| return coll; |
| } |
| |
| /** |
| * Returns a copy of this object. Note that only a reference to the |
| * {@code Collection} is copied, and not the contents. |
| * |
| * @return the copy |
| */ |
| public Object clone() { |
| try { |
| return super.clone(); |
| } catch (CloneNotSupportedException e) { |
| /* Cannot happen */ |
| throw new InternalError(e.toString(), e); |
| } |
| } |
| |
| /** |
| * Returns a formatted string describing the parameters. |
| * |
| * @return a formatted string describing the parameters |
| */ |
| public String toString() { |
| StringBuffer sb = new StringBuffer(); |
| sb.append("CollectionCertStoreParameters: [\n"); |
| sb.append(" collection: " + coll + "\n"); |
| sb.append("]"); |
| return sb.toString(); |
| } |
| } |