| /* PolicyConstraint.java -- policyConstraint extension |
| Copyright (C) 2004 Free Software Foundation, Inc. |
| |
| This file is part of GNU Classpath. |
| |
| GNU Classpath is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2, or (at your option) |
| any later version. |
| |
| GNU Classpath 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 for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with GNU Classpath; see the file COPYING. If not, write to the |
| Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
| 02110-1301 USA. |
| |
| Linking this library statically or dynamically with other modules is |
| making a combined work based on this library. Thus, the terms and |
| conditions of the GNU General Public License cover the whole |
| combination. |
| |
| As a special exception, the copyright holders of this library give you |
| permission to link this library with independent modules to produce an |
| executable, regardless of the license terms of these independent |
| modules, and to copy and distribute the resulting executable under |
| terms of your choice, provided that you also meet, for each linked |
| independent module, the terms and conditions of the license of that |
| module. An independent module is a module which is not derived from |
| or based on this library. If you modify this library, you may extend |
| this exception to your version of the library, but you are not |
| obligated to do so. If you do not wish to do so, delete this |
| exception statement from your version. */ |
| |
| |
| package gnu.java.security.x509.ext; |
| |
| import gnu.java.security.OID; |
| import gnu.java.security.der.DERReader; |
| import gnu.java.security.der.DERValue; |
| |
| import java.io.IOException; |
| import java.math.BigInteger; |
| |
| public class PolicyConstraint extends Extension.Value |
| { |
| |
| // Constants and fields. |
| // ------------------------------------------------------------------------- |
| |
| public static final OID ID = new OID ("2.5.29.36"); |
| |
| private final int requireExplicitPolicy; |
| private final int inhibitPolicyMapping; |
| |
| // Constructors. |
| // ------------------------------------------------------------------------- |
| |
| public PolicyConstraint (final byte[] encoded) throws IOException |
| { |
| super (encoded); |
| int rpc = -1, ipm = -1; |
| DERReader der = new DERReader(encoded); |
| DERValue pc = der.read(); |
| if (!pc.isConstructed()) |
| throw new IOException("malformed PolicyConstraints"); |
| DERValue val; |
| int len = pc.getLength(); |
| while (len > 0) |
| { |
| val = der.read(); |
| if (val.getTag() == 0) |
| rpc = new BigInteger ((byte[]) val.getValue()).intValue(); |
| else if (val.getTag() == 1) |
| ipm = new BigInteger ((byte[]) val.getValue()).intValue(); |
| else |
| throw new IOException ("invalid policy constraint"); |
| len -= val.getEncodedLength(); |
| } |
| |
| requireExplicitPolicy = rpc; |
| inhibitPolicyMapping = ipm; |
| } |
| |
| // Instance methods. |
| // ------------------------------------------------------------------------- |
| |
| public int getRequireExplicitPolicy() |
| { |
| return requireExplicitPolicy; |
| } |
| |
| public int getInhibitPolicyMapping() |
| { |
| return inhibitPolicyMapping; |
| } |
| |
| public String toString() |
| { |
| return PolicyConstraint.class.getName() + " [ requireExplicitPolicy=" + |
| requireExplicitPolicy + " inhibitPolicyMapping=" + inhibitPolicyMapping |
| + " ]"; |
| } |
| } |