Source for javax.security.cert.X509Certificate

   1: /* X509Certificate.java -- base class of X.509 certificates.
   2:    Copyright (C) 2004 Free Software Foundation, Inc.
   3: 
   4: This file is part of GNU Classpath.
   5: 
   6: GNU Classpath is free software; you can redistribute it and/or modify
   7: it under the terms of the GNU General Public License as published by
   8: the Free Software Foundation; either version 2, or (at your option)
   9: any later version.
  10: 
  11: GNU Classpath is distributed in the hope that it will be useful, but
  12: WITHOUT ANY WARRANTY; without even the implied warranty of
  13: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14: General Public License for more details.
  15: 
  16: You should have received a copy of the GNU General Public License
  17: along with GNU Classpath; see the file COPYING.  If not, write to the
  18: Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  19: 02110-1301 USA.
  20: 
  21: Linking this library statically or dynamically with other modules is
  22: making a combined work based on this library.  Thus, the terms and
  23: conditions of the GNU General Public License cover the whole
  24: combination.
  25: 
  26: As a special exception, the copyright holders of this library give you
  27: permission to link this library with independent modules to produce an
  28: executable, regardless of the license terms of these independent
  29: modules, and to copy and distribute the resulting executable under
  30: terms of your choice, provided that you also meet, for each linked
  31: independent module, the terms and conditions of the license of that
  32: module.  An independent module is a module which is not derived from
  33: or based on this library.  If you modify this library, you may extend
  34: this exception to your version of the library, but you are not
  35: obligated to do so.  If you do not wish to do so, delete this
  36: exception statement from your version. */
  37: 
  38: 
  39: package javax.security.cert;
  40: 
  41: import java.io.ByteArrayInputStream;
  42: import java.io.InputStream;
  43: 
  44: import java.math.BigInteger;
  45: 
  46: import java.security.Principal;
  47: import java.security.cert.CertificateFactory;
  48: 
  49: import java.util.Date;
  50: 
  51: /**
  52:  * <p>The base class of all X.509 certificates.</p>
  53:  *
  54:  * <p><b>This class is deprecated in favor of the {@link
  55:  * java.security.cert.X509Certificate} class. It should not be used in new
  56:  * applications.</b></p>
  57:  */
  58: public abstract class X509Certificate extends Certificate
  59: {
  60: 
  61:   // Class methods.
  62:   // -------------------------------------------------------------------------
  63: 
  64:   /**
  65:    * <p>Get an instance of X509Certificate for the given encoded bytes.</p>
  66:    *
  67:    * @param encoded The encoded certificate.
  68:    * @return An instance of X509Certificate.
  69:    * @throws CertificateException If the encoded certificate cannot be parsed.
  70:    */
  71:   public static X509Certificate getInstance(byte[] encoded)
  72:     throws CertificateException
  73:   {
  74:     return getInstance(new ByteArrayInputStream(encoded));
  75:   }
  76: 
  77:   /**
  78:    * <p>Get an instance of X509Certificate for the given encoded stream.</p>
  79:    *
  80:    * @param encoded The encoded certificate stream..
  81:    * @return An instance of X509Certificate.
  82:    * @throws CertificateException If the encoded certificate cannot be parsed.
  83:    */
  84:   public static X509Certificate getInstance(InputStream encoded)
  85:     throws CertificateException
  86:   {
  87:     try
  88:       {
  89:         CertificateFactory cf = CertificateFactory.getInstance("X.509");
  90:         return new X509CertBridge((java.security.cert.X509Certificate)
  91:                                   cf.generateCertificate(encoded));
  92:       }
  93:     catch (java.security.cert.CertificateException ce)
  94:       {
  95:         throw new CertificateException(ce.getMessage());
  96:       }
  97:   }
  98: 
  99:   // Abstract methods.
 100:   // -------------------------------------------------------------------------
 101: 
 102:   /**
 103:    * <p>Check if this certificate is valid now.</p>
 104:    *
 105:    * @throws CertificateExpiredException If the certificate has expired.
 106:    * @throws CertificateNotYetValidException If the certificate is not yet valid.
 107:    * @see #checkValidity(java.util.Date)
 108:    */
 109:   public abstract void checkValidity()
 110:     throws CertificateExpiredException, CertificateNotYetValidException;
 111: 
 112:   /**
 113:    * <p>Check if this certificate is valid for the given date.</p>
 114:    *
 115:    * @param date The date to check.
 116:    * @throws CertificateExpiredException If the certificate has expired.
 117:    * @throws CertificateNotYetValidException If the certificate is not yet valid.
 118:    */
 119:   public abstract void checkValidity(Date date)
 120:     throws CertificateExpiredException, CertificateNotYetValidException;
 121: 
 122:   /**
 123:    * <p>Returns the X.509 version number.</p>
 124:    *
 125:    * @return The version number.
 126:    */
 127:   public abstract int getVersion();
 128: 
 129:   /**
 130:    * <p>Returns this certificate's serial number.</p>
 131:    *
 132:    * @return The serial number.
 133:    */
 134:   public abstract BigInteger getSerialNumber();
 135: 
 136:   /**
 137:    * <p>Returns the distinguished name of this certificate's issuer.</p>
 138:    *
 139:    * @return The issuer's distinguished name.
 140:    */
 141:   public abstract Principal getIssuerDN();
 142: 
 143:   /**
 144:    * <p>Returns the distinguished name of this certificate's subject.</p>
 145:    *
 146:    * @return The subject's distinguished name.
 147:    */
 148:   public abstract Principal getSubjectDN();
 149: 
 150:   /**
 151:    * <p>Returns the <i>not before</i> portion of this certificate's validity
 152:    * period.</p>
 153:    *
 154:    * @return The not before date.
 155:    */
 156:   public abstract Date getNotBefore();
 157: 
 158:   /**
 159:    * <p>Returns the <i>not after</i> portion of this certificate's validity
 160:    * period.</p>
 161:    *
 162:    * @return The not after date.
 163:    */
 164:   public abstract Date getNotAfter();
 165: 
 166:   /**
 167:    * <p>Returns the name of this certificate's signature algorithm.</p>
 168:    *
 169:    * @return The name of the signature algorithm.
 170:    */
 171:   public abstract String getSigAlgName();
 172: 
 173:   /**
 174:    * <p>Returns the object identifier (OID) of this certificate's signature
 175:    * algorithm. The returned string is a sequence of integers separated by
 176:    * periods.</p>
 177:    *
 178:    * @return The signature OID.
 179:    */
 180:   public abstract String getSigAlgOID();
 181: 
 182:   /**
 183:    * <p>Returns the signature parameters. The returned byte array contains the
 184:    * raw DER-encoded parameters.</p>
 185:    *
 186:    * @return The signature parameters.
 187:    */
 188:   public abstract byte[] getSigAlgParams();
 189: }