/* * Copyright (c) 1997, 2009, 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 java.security.cert.CertificateException;import java.security.cert.CertificateParsingException; import sun.security.util.*; /** * This class defines the mapping from OID & name to classes and vice * versa.  Used by CertificateExtensions & PKCS10 to get the java * classes associated with a particular OID/name. * * @author Amit Kapoor * @author Hemma Prafullchandra * @author Andreas Sterbenz * */public class OIDMap {     private OIDMap() {        // empty    }     // "user-friendly" names    private static final String ROOT = X509CertImpl.NAME + "." +                                 X509CertInfo.NAME + "." +                                 X509CertInfo.EXTENSIONS;    private static final String AUTH_KEY_IDENTIFIER = ROOT + "." +                                          AuthorityKeyIdentifierExtension.NAME;    private static final String SUB_KEY_IDENTIFIER  = ROOT + "." +                                          SubjectKeyIdentifierExtension.NAME;    private static final String KEY_USAGE           = ROOT + "." +                                          KeyUsageExtension.NAME;    private static final String PRIVATE_KEY_USAGE   = ROOT + "." +                                          PrivateKeyUsageExtension.NAME;    private static final String POLICY_MAPPINGS     = ROOT + "." +                                          PolicyMappingsExtension.NAME;    private static final String SUB_ALT_NAME        = ROOT + "." +                                          SubjectAlternativeNameExtension.NAME;    private static final String ISSUER_ALT_NAME     = ROOT + "." +                                          IssuerAlternativeNameExtension.NAME;    private static final String BASIC_CONSTRAINTS   = ROOT + "." +                                          BasicConstraintsExtension.NAME;    private static final String NAME_CONSTRAINTS    = ROOT + "." +                                          NameConstraintsExtension.NAME;    private static final String POLICY_CONSTRAINTS  = ROOT + "." +                                          PolicyConstraintsExtension.NAME;    private static final String CRL_NUMBER  = ROOT + "." +                                              CRLNumberExtension.NAME;    private static final String CRL_REASON  = ROOT + "." +                                              CRLReasonCodeExtension.NAME;    private static final String NETSCAPE_CERT  = ROOT + "." +                                              NetscapeCertTypeExtension.NAME;    private static final String CERT_POLICIES = ROOT + "." +                                             CertificatePoliciesExtension.NAME;    private static final String EXT_KEY_USAGE       = ROOT + "." +                                          ExtendedKeyUsageExtension.NAME;    private static final String INHIBIT_ANY_POLICY  = ROOT + "." +                                          InhibitAnyPolicyExtension.NAME;    private static final String CRL_DIST_POINTS = ROOT + "." +                                        CRLDistributionPointsExtension.NAME;     private static final String CERT_ISSUER = ROOT + "." +                                        CertificateIssuerExtension.NAME;    private static final String SUBJECT_INFO_ACCESS = ROOT + "." +                                          SubjectInfoAccessExtension.NAME;    private static final String AUTH_INFO_ACCESS = ROOT + "." +                                          AuthorityInfoAccessExtension.NAME;    private static final String ISSUING_DIST_POINT = ROOT + "." +                                        IssuingDistributionPointExtension.NAME;    private static final String DELTA_CRL_INDICATOR = ROOT + "." +                                        DeltaCRLIndicatorExtension.NAME;    private static final String FRESHEST_CRL = ROOT + "." +                                        FreshestCRLExtension.NAME;    private static final String OCSPNOCHECK = ROOT + "." +                                        OCSPNoCheckExtension.NAME;     private static final int NetscapeCertType_data[] =        { 2, 16, 840, 1, 113730, 1, 1 };     /** Map ObjectIdentifier(oid) -> OIDInfo(info) */    private final static Map<ObjectIdentifier,OIDInfo> oidMap;     /** Map String(friendly name) -> OIDInfo(info) */    private final static Map<String,OIDInfo> nameMap;     static {        oidMap = new HashMap<ObjectIdentifier,OIDInfo>();        nameMap = new HashMap<String,OIDInfo>();        addInternal(SUB_KEY_IDENTIFIER, PKIXExtensions.SubjectKey_Id,                    "sun.security.x509.SubjectKeyIdentifierExtension");        addInternal(KEY_USAGE, PKIXExtensions.KeyUsage_Id,                    "sun.security.x509.KeyUsageExtension");        addInternal(PRIVATE_KEY_USAGE, PKIXExtensions.PrivateKeyUsage_Id,                    "sun.security.x509.PrivateKeyUsageExtension");        addInternal(SUB_ALT_NAME, PKIXExtensions.SubjectAlternativeName_Id,                    "sun.security.x509.SubjectAlternativeNameExtension");        addInternal(ISSUER_ALT_NAME, PKIXExtensions.IssuerAlternativeName_Id,                    "sun.security.x509.IssuerAlternativeNameExtension");        addInternal(BASIC_CONSTRAINTS, PKIXExtensions.BasicConstraints_Id,                    "sun.security.x509.BasicConstraintsExtension");        addInternal(CRL_NUMBER, PKIXExtensions.CRLNumber_Id,                    "sun.security.x509.CRLNumberExtension");        addInternal(CRL_REASON, PKIXExtensions.ReasonCode_Id,                    "sun.security.x509.CRLReasonCodeExtension");        addInternal(NAME_CONSTRAINTS, PKIXExtensions.NameConstraints_Id,                    "sun.security.x509.NameConstraintsExtension");        addInternal(POLICY_MAPPINGS, PKIXExtensions.PolicyMappings_Id,                    "sun.security.x509.PolicyMappingsExtension");        addInternal(AUTH_KEY_IDENTIFIER, PKIXExtensions.AuthorityKey_Id,                    "sun.security.x509.AuthorityKeyIdentifierExtension");        addInternal(POLICY_CONSTRAINTS, PKIXExtensions.PolicyConstraints_Id,                    "sun.security.x509.PolicyConstraintsExtension");        addInternal(NETSCAPE_CERT, ObjectIdentifier.newInternal                    (new int[] {2,16,840,1,113730,1,1}),                    "sun.security.x509.NetscapeCertTypeExtension");        addInternal(CERT_POLICIES, PKIXExtensions.CertificatePolicies_Id,                    "sun.security.x509.CertificatePoliciesExtension");        addInternal(EXT_KEY_USAGE, PKIXExtensions.ExtendedKeyUsage_Id,                    "sun.security.x509.ExtendedKeyUsageExtension");        addInternal(INHIBIT_ANY_POLICY, PKIXExtensions.InhibitAnyPolicy_Id,                    "sun.security.x509.InhibitAnyPolicyExtension");        addInternal(CRL_DIST_POINTS, PKIXExtensions.CRLDistributionPoints_Id,                    "sun.security.x509.CRLDistributionPointsExtension");        addInternal(CERT_ISSUER, PKIXExtensions.CertificateIssuer_Id,                    "sun.security.x509.CertificateIssuerExtension");        addInternal(SUBJECT_INFO_ACCESS, PKIXExtensions.SubjectInfoAccess_Id,                    "sun.security.x509.SubjectInfoAccessExtension");        addInternal(AUTH_INFO_ACCESS, PKIXExtensions.AuthInfoAccess_Id,                    "sun.security.x509.AuthorityInfoAccessExtension");        addInternal(ISSUING_DIST_POINT,                    PKIXExtensions.IssuingDistributionPoint_Id,                    "sun.security.x509.IssuingDistributionPointExtension");        addInternal(DELTA_CRL_INDICATOR, PKIXExtensions.DeltaCRLIndicator_Id,                    "sun.security.x509.DeltaCRLIndicatorExtension");        addInternal(FRESHEST_CRL, PKIXExtensions.FreshestCRL_Id,                    "sun.security.x509.FreshestCRLExtension");        addInternal(OCSPNOCHECK, PKIXExtensions.OCSPNoCheck_Id,                    "sun.security.x509.OCSPNoCheckExtension");    }     /**     * Add attributes to the table. For internal use in the static     * initializer.     */    private static void addInternal(String name, ObjectIdentifier oid,            String className) {        OIDInfo info = new OIDInfo(name, oid, className);        oidMap.put(oid, info);        nameMap.put(name, info);    }     /**     * Inner class encapsulating the mapping info and Class loading.     */    private static class OIDInfo {         final ObjectIdentifier oid;        final String name;        final String className;        private volatile Class clazz;         OIDInfo(String name, ObjectIdentifier oid, String className) {            this.name = name;            this.oid = oid;            this.className = className;        }         OIDInfo(String name, ObjectIdentifier oid, Class clazz) {            this.name = name;            this.oid = oid;            this.className = clazz.getName();            this.clazz = clazz;        }         /**         * Return the Class object associated with this attribute.         */        Class getClazz() throws CertificateException {            try {                Class c = clazz;                if (c == null) {                    c = Class.forName(className);                    clazz = c;                }                return c;            } catch (ClassNotFoundException e) {                throw (CertificateException)new CertificateException                                ("Could not load class: " + e).initCause(e);            }        }    }     /**     * Add a name to lookup table.     *     * @param name the name of the attr     * @param oid the string representation of the object identifier for     *         the class.     * @param clazz the Class object associated with this attribute     * @exception CertificateException on errors.     */    public static void addAttribute(String name, String oid, Class clazz)            throws CertificateException {        ObjectIdentifier objId;        try {            objId = new ObjectIdentifier(oid);        } catch (IOException ioe) {            throw new CertificateException                                ("Invalid Object identifier: " + oid);        }        OIDInfo info = new OIDInfo(name, objId, clazz);        if (oidMap.put(objId, info) != null) {            throw new CertificateException                                ("Object identifier already exists: " + oid);        }        if (nameMap.put(name, info) != null) {            throw new CertificateException("Name already exists: " + name);        }    }     /**     * Return user friendly name associated with the OID.     *     * @param oid the name of the object identifier to be returned.     * @return the user friendly name or null if no name     * is registered for this oid.     */    public static String getName(ObjectIdentifier oid) {        OIDInfo info = oidMap.get(oid);        return (info == null) ? null : info.name;    }     /**     * Return Object identifier for user friendly name.     *     * @param name the user friendly name.     * @return the Object Identifier or null if no oid     * is registered for this name.     */    public static ObjectIdentifier getOID(String name) {        OIDInfo info = nameMap.get(name);        return (info == null) ? null : info.oid;    }     /**     * Return the java class object associated with the user friendly name.     *     * @param name the user friendly name.     * @exception CertificateException if class cannot be instantiated.     */    public static Class getClass(String name) throws CertificateException {        OIDInfo info = nameMap.get(name);        return (info == null) ? null : info.getClazz();    }     /**     * Return the java class object associated with the object identifier.     *     * @param oid the name of the object identifier to be returned.     * @exception CertificateException if class cannot be instatiated.     */    public static Class getClass(ObjectIdentifier oid)            throws CertificateException {        OIDInfo info = oidMap.get(oid);        return (info == null) ? null : info.getClazz();    } }