| /* |
| * Copyright (c) 1997, 2003, 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 sun.security.x509; |
| |
| import java.util.*; |
| import java.io.IOException; |
| |
| import sun.security.util.*; |
| |
| /** |
| * This object class represents the GeneralNames type required in |
| * X509 certificates. |
| * <p>The ASN.1 syntax for this is: |
| * <pre> |
| * GeneralNames ::= SEQUENCE SIZE (1..MAX) OF GeneralName |
| * </pre> |
| * |
| * @author Amit Kapoor |
| * @author Hemma Prafullchandra |
| * |
| */ |
| public class GeneralNames { |
| |
| private final List<GeneralName> names; |
| |
| /** |
| * Create the GeneralNames, decoding from the passed DerValue. |
| * |
| * @param derVal the DerValue to construct the GeneralNames from. |
| * @exception IOException on error. |
| */ |
| public GeneralNames(DerValue derVal) throws IOException { |
| this(); |
| if (derVal.tag != DerValue.tag_Sequence) { |
| throw new IOException("Invalid encoding for GeneralNames."); |
| } |
| if (derVal.data.available() == 0) { |
| throw new IOException("No data available in " |
| + "passed DER encoded value."); |
| } |
| // Decode all the GeneralName's |
| while (derVal.data.available() != 0) { |
| DerValue encName = derVal.data.getDerValue(); |
| |
| GeneralName name = new GeneralName(encName); |
| add(name); |
| } |
| } |
| |
| /** |
| * The default constructor for this class. |
| */ |
| public GeneralNames() { |
| names = new ArrayList<GeneralName>(); |
| } |
| |
| public GeneralNames add(GeneralName name) { |
| if (name == null) { |
| throw new NullPointerException(); |
| } |
| names.add(name); |
| return this; |
| } |
| |
| public GeneralName get(int index) { |
| return names.get(index); |
| } |
| |
| public boolean isEmpty() { |
| return names.isEmpty(); |
| } |
| |
| public int size() { |
| return names.size(); |
| } |
| |
| public Iterator<GeneralName> iterator() { |
| return names.iterator(); |
| } |
| |
| public List<GeneralName> names() { |
| return names; |
| } |
| |
| /** |
| * Write the extension to the DerOutputStream. |
| * |
| * @param out the DerOutputStream to write the extension to. |
| * @exception IOException on error. |
| */ |
| public void encode(DerOutputStream out) throws IOException { |
| if (isEmpty()) { |
| return; |
| } |
| |
| DerOutputStream temp = new DerOutputStream(); |
| for (GeneralName gn : names) { |
| gn.encode(temp); |
| } |
| out.write(DerValue.tag_Sequence, temp); |
| } |
| |
| /** |
| * compare this GeneralNames to other object for equality |
| * |
| * @returns true iff this equals other |
| */ |
| public boolean equals(Object obj) { |
| if (this == obj) { |
| return true; |
| } |
| if (obj instanceof GeneralNames == false) { |
| return false; |
| } |
| GeneralNames other = (GeneralNames)obj; |
| return this.names.equals(other.names); |
| } |
| |
| public int hashCode() { |
| return names.hashCode(); |
| } |
| |
| public String toString() { |
| return names.toString(); |
| } |
| |
| } |