| /* |
| * 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. |
| */ |
| |
| /** |
| * @author Alexander Y. Kleymenov |
| * @version $Revision$ |
| */ |
| |
| package org.apache.harmony.security.x509; |
| |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.List; |
| import org.apache.harmony.security.asn1.ASN1SequenceOf; |
| import org.apache.harmony.security.asn1.ASN1Type; |
| import org.apache.harmony.security.asn1.BerInputStream; |
| |
| |
| /** |
| * The class encapsulates the ASN.1 DER encoding/decoding work |
| * with the GeneralNames structure which is a part of X.509 certificate |
| * (as specified in RFC 3280 - |
| * Internet X.509 Public Key Infrastructure. |
| * Certificate and Certificate Revocation List (CRL) Profile. |
| * http://www.ietf.org/rfc/rfc3280.txt): |
| * |
| * |
| * <pre> |
| * GeneralNames ::= SEQUENCE SIZE (1..MAX) OF GeneralName |
| * </pre> |
| * |
| * @see org.apache.harmony.security.x509.NameConstraints |
| * @see org.apache.harmony.security.x509.GeneralSubtree |
| */ |
| public final class GeneralNames { |
| /** the values of GeneralName */ |
| private List<GeneralName> generalNames; |
| /** the ASN.1 encoded form of GeneralNames */ |
| private byte[] encoding; |
| |
| public GeneralNames() { |
| generalNames = new ArrayList<GeneralName>(); |
| } |
| |
| public GeneralNames(List<GeneralName> generalNames) { |
| this.generalNames = generalNames; |
| } |
| |
| private GeneralNames(List<GeneralName> generalNames, byte[] encoding) { |
| this.generalNames = generalNames; |
| this.encoding = encoding; |
| } |
| |
| /** |
| * Returns the list of values. |
| */ |
| public List<GeneralName> getNames() { |
| if ((generalNames == null) || (generalNames.size() == 0)) { |
| return null; |
| } |
| return new ArrayList<GeneralName>(generalNames); |
| } |
| |
| /** |
| * Returns the collection of pairs: (Integer (tag), Object (name value))* |
| */ |
| public Collection<List<?>> getPairsList() { |
| Collection<List<?>> result = new ArrayList<List<?>>(); |
| if (generalNames == null) { |
| return result; |
| } |
| for (GeneralName generalName : generalNames) { |
| /* |
| * If we have an error decoding one of the GeneralNames, we'll just |
| * omit it from the final list. |
| */ |
| final List<Object> genNameList; |
| try { |
| genNameList = generalName.getAsList(); |
| } catch (IllegalArgumentException ignored) { |
| continue; |
| } |
| |
| result.add(genNameList); |
| } |
| return result; |
| } |
| |
| public void addName(GeneralName name) { |
| encoding = null; |
| if (generalNames == null) { |
| generalNames = new ArrayList<GeneralName>(); |
| } |
| generalNames.add(name); |
| } |
| |
| /** |
| * Returns ASN.1 encoded form of this X.509 GeneralNames value. |
| */ |
| public byte[] getEncoded() { |
| if (encoding == null) { |
| encoding = ASN1.encode(this); |
| } |
| return encoding; |
| } |
| |
| public void dumpValue(StringBuilder sb, String prefix) { |
| if (generalNames == null) { |
| return; |
| } |
| for (GeneralName generalName : generalNames) { |
| sb.append(prefix); |
| sb.append(generalName); |
| sb.append('\n'); |
| } |
| } |
| |
| /** |
| * ASN.1 DER X.509 GeneralNames encoder/decoder class. |
| */ |
| public static final ASN1Type ASN1 = new ASN1SequenceOf(GeneralName.ASN1) { |
| @Override public Object getDecodedObject(BerInputStream in) { |
| return new GeneralNames((List<GeneralName>) in.content, in.getEncoded()); |
| } |
| |
| @Override public Collection getValues(Object object) { |
| GeneralNames gns = (GeneralNames) object; |
| return gns.generalNames; |
| } |
| }; |
| } |