| /* |
| * Copyright (c) 1997, 2011, 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.io.IOException; |
| import java.io.OutputStream; |
| import java.util.*; |
| |
| import sun.security.util.*; |
| |
| /** |
| * Represent the Policy Mappings Extension. |
| * |
| * This extension, if present, identifies the certificate policies considered |
| * identical between the issuing and the subject CA. |
| * <p>Extensions are addiitonal attributes which can be inserted in a X509 |
| * v3 certificate. For example a "Driving License Certificate" could have |
| * the driving license number as a extension. |
| * |
| * <p>Extensions are represented as a sequence of the extension identifier |
| * (Object Identifier), a boolean flag stating whether the extension is to |
| * be treated as being critical and the extension value itself (this is again |
| * a DER encoding of the extension value). |
| * |
| * @author Amit Kapoor |
| * @author Hemma Prafullchandra |
| * @see Extension |
| * @see CertAttrSet |
| */ |
| public class PolicyMappingsExtension extends Extension |
| implements CertAttrSet<String> { |
| /** |
| * Identifier for this attribute, to be used with the |
| * get, set, delete methods of Certificate, x509 type. |
| */ |
| public static final String IDENT = "x509.info.extensions.PolicyMappings"; |
| /** |
| * Attribute names. |
| */ |
| public static final String NAME = "PolicyMappings"; |
| public static final String MAP = "map"; |
| |
| // Private data members |
| private List<CertificatePolicyMap> maps; |
| |
| // Encode this extension value |
| private void encodeThis() throws IOException { |
| if (maps == null || maps.isEmpty()) { |
| this.extensionValue = null; |
| return; |
| } |
| DerOutputStream os = new DerOutputStream(); |
| DerOutputStream tmp = new DerOutputStream(); |
| |
| for (CertificatePolicyMap map : maps) { |
| map.encode(tmp); |
| } |
| |
| os.write(DerValue.tag_Sequence, tmp); |
| this.extensionValue = os.toByteArray(); |
| } |
| |
| /** |
| * Create a PolicyMappings with the List of CertificatePolicyMap. |
| * |
| * @param maps the List of CertificatePolicyMap. |
| */ |
| public PolicyMappingsExtension(List<CertificatePolicyMap> map) |
| throws IOException { |
| this.maps = map; |
| this.extensionId = PKIXExtensions.PolicyMappings_Id; |
| this.critical = false; |
| encodeThis(); |
| } |
| |
| /** |
| * Create a default PolicyMappingsExtension. |
| */ |
| public PolicyMappingsExtension() { |
| extensionId = PKIXExtensions.KeyUsage_Id; |
| critical = false; |
| maps = Collections.<CertificatePolicyMap>emptyList(); |
| } |
| |
| /** |
| * Create the extension from the passed DER encoded value. |
| * |
| * @params critical true if the extension is to be treated as critical. |
| * @params value an array of DER encoded bytes of the actual value. |
| * @exception ClassCastException if value is not an array of bytes |
| * @exception IOException on error. |
| */ |
| public PolicyMappingsExtension(Boolean critical, Object value) |
| throws IOException { |
| this.extensionId = PKIXExtensions.PolicyMappings_Id; |
| this.critical = critical.booleanValue(); |
| |
| this.extensionValue = (byte[]) value; |
| DerValue val = new DerValue(this.extensionValue); |
| if (val.tag != DerValue.tag_Sequence) { |
| throw new IOException("Invalid encoding for " + |
| "PolicyMappingsExtension."); |
| } |
| maps = new ArrayList<CertificatePolicyMap>(); |
| while (val.data.available() != 0) { |
| DerValue seq = val.data.getDerValue(); |
| CertificatePolicyMap map = new CertificatePolicyMap(seq); |
| maps.add(map); |
| } |
| } |
| |
| /** |
| * Returns a printable representation of the policy map. |
| */ |
| public String toString() { |
| if (maps == null) return ""; |
| String s = super.toString() + "PolicyMappings [\n" |
| + maps.toString() + "]\n"; |
| |
| return (s); |
| } |
| |
| /** |
| * Write the extension to the OutputStream. |
| * |
| * @param out the OutputStream to write the extension to. |
| * @exception IOException on encoding errors. |
| */ |
| public void encode(OutputStream out) throws IOException { |
| DerOutputStream tmp = new DerOutputStream(); |
| if (extensionValue == null) { |
| extensionId = PKIXExtensions.PolicyMappings_Id; |
| critical = false; |
| encodeThis(); |
| } |
| super.encode(tmp); |
| out.write(tmp.toByteArray()); |
| } |
| |
| /** |
| * Set the attribute value. |
| */ |
| @SuppressWarnings("unchecked") // Checked with instanceof |
| public void set(String name, Object obj) throws IOException { |
| if (name.equalsIgnoreCase(MAP)) { |
| if (!(obj instanceof List)) { |
| throw new IOException("Attribute value should be of" + |
| " type List."); |
| } |
| maps = (List<CertificatePolicyMap>)obj; |
| } else { |
| throw new IOException("Attribute name not recognized by " + |
| "CertAttrSet:PolicyMappingsExtension."); |
| } |
| encodeThis(); |
| } |
| |
| /** |
| * Get the attribute value. |
| */ |
| public List<CertificatePolicyMap> get(String name) throws IOException { |
| if (name.equalsIgnoreCase(MAP)) { |
| return (maps); |
| } else { |
| throw new IOException("Attribute name not recognized by " + |
| "CertAttrSet:PolicyMappingsExtension."); |
| } |
| } |
| |
| /** |
| * Delete the attribute value. |
| */ |
| public void delete(String name) throws IOException { |
| if (name.equalsIgnoreCase(MAP)) { |
| maps = null; |
| } else { |
| throw new IOException("Attribute name not recognized by " + |
| "CertAttrSet:PolicyMappingsExtension."); |
| } |
| encodeThis(); |
| } |
| |
| /** |
| * Return an enumeration of names of attributes existing within this |
| * attribute. |
| */ |
| public Enumeration<String> getElements () { |
| AttributeNameEnumeration elements = new AttributeNameEnumeration(); |
| elements.addElement(MAP); |
| |
| return elements.elements(); |
| } |
| |
| /** |
| * Return the name of this attribute. |
| */ |
| public String getName () { |
| return (NAME); |
| } |
| } |