From f911ba985aa7fe0096c386c5be385ac5825ea527 Mon Sep 17 00:00:00 2001 From: Tom Tromey Date: Sat, 16 Jul 2005 00:30:23 +0000 Subject: Initial revision From-SVN: r102074 --- .../java/security/cert/PolicyQualifierInfo.java | 168 +++++++++++++++++++++ 1 file changed, 168 insertions(+) create mode 100644 libjava/classpath/java/security/cert/PolicyQualifierInfo.java (limited to 'libjava/classpath/java/security/cert/PolicyQualifierInfo.java') diff --git a/libjava/classpath/java/security/cert/PolicyQualifierInfo.java b/libjava/classpath/java/security/cert/PolicyQualifierInfo.java new file mode 100644 index 00000000000..7dcf2315632 --- /dev/null +++ b/libjava/classpath/java/security/cert/PolicyQualifierInfo.java @@ -0,0 +1,168 @@ +/* PolicyQualifierInfo.java -- policy qualifier info object. + Copyright (C) 2003, 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 java.security.cert; + +import gnu.java.io.ASN1ParsingException; +import gnu.java.security.OID; +import gnu.java.security.der.DERReader; +import gnu.java.security.der.DERValue; + +import java.io.ByteArrayInputStream; +import java.io.IOException; + +/** + * The PolicyQualifierInfo X.509 certificate extension. + * PolicyQualifierInfo objects are represented by the ASN.1 structure: + * + * 
+ * PolicyQualifierInfo ::= SEQUENCE {
+ *    policyQualifierId   PolicyQualifierId,
+ *    qualifier           ANY DEFINED BY policyQualifierId
+ * }
+ *
+ * PolicyQualifierId ::= OBJECT IDENTIFIER
+ *
+ * + * @since JDK 1.4 + */ +public final class PolicyQualifierInfo +{ + + // Fields. + // ------------------------------------------------------------------------ + + /** The policyQualifierId field. */ + private OID oid; + + /** The DER encoded form of this object. */ + private byte[] encoded; + + /** The DER encoded form of the qualifier field. */ + private DERValue qualifier; + + // Constructor. + // ------------------------------------------------------------------------ + + /** + * Create a new PolicyQualifierInfo object from the DER encoded form + * passed in the byte array. The argument is copied. + * + *

The ASN.1 form of PolicyQualifierInfo is: +

+PolicyQualifierInfo ::= SEQUENCE {
+   policyQualifierId     PolicyQualifierId,
+   qualifier             ANY DEFINED BY policyQualifierId
+}
+
+PolicyQualifierId ::= OBJECT IDENTIFIER
+
+ * + * @param encoded The DER encoded form. + * @throws IOException If the structure cannot be parsed from the + * encoded bytes. + */ + public PolicyQualifierInfo(byte[] encoded) throws IOException + { + if (encoded == null) + throw new IOException("null bytes"); + this.encoded = (byte[]) encoded.clone(); + DERReader in = new DERReader(new ByteArrayInputStream(this.encoded)); + DERValue qualInfo = in.read(); + if (!qualInfo.isConstructed()) + throw new ASN1ParsingException("malformed PolicyQualifierInfo"); + DERValue val = in.read(); + if (!(val.getValue() instanceof OID)) + throw new ASN1ParsingException("value read not an OBJECT IDENTIFIER"); + oid = (OID) val.getValue(); + if (val.getEncodedLength() < val.getLength()) + qualifier = in.read(); + } + + // Instance methods. + // ------------------------------------------------------------------------ + + /** + * Returns the policyQualifierId field of this structure, + * as a dotted-decimal representation of the object identifier. + * + * @return This structure's OID field. + */ + public String getPolicyQualifierId() + { + return oid.toString(); + } + + /** + * Returns the DER encoded form of this object; the contents of the + * returned byte array are equivalent to those that were passed to the + * constructor. The byte array is cloned every time this method is + * called. + * + * @return The encoded form. + */ + public byte[] getEncoded() + { + return (byte[]) encoded.clone(); + } + + /** + * Get the qualifier field of this object, as a DER + * encoded byte array. The byte array returned is cloned every time + * this method is called. + * + * @return The encoded qualifier. + */ + public byte[] getPolicyQualifier() + { + if (qualifier == null) + return new byte[0]; + return qualifier.getEncoded(); + } + + /** + * Returns a printable string representation of this object. + * + * @return The string representation. + */ + public String toString() + { + return "PolicyQualifierInfo { policyQualifierId ::= " + oid + + ", qualifier ::= " + qualifier + " }"; + } +} -- cgit v1.2.3