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1 files changed, 169 insertions, 0 deletions

diff --git a/libjava/classpath/java/security/cert/PolicyQualifierInfo.java b/libjava/classpath/java/security/cert/PolicyQualifierInfo.java
new file mode 100644
index 000000000..b53faa935
--- /dev/null
+++ b/libjava/classpath/java/security/cert/PolicyQualifierInfo.java
@@ -0,0 +1,169 @@
+/* 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:
+ *
+ * <pre>
+ * PolicyQualifierInfo ::= SEQUENCE {
+ *    policyQualifierId   PolicyQualifierId,
+ *    qualifier           ANY DEFINED BY policyQualifierId
+ * }
+ *
+ * PolicyQualifierId ::= OBJECT IDENTIFIER
+ * </pre>
+ *
+ * @since 1.4
+ * @specnote this class was final in 1.4, but beginning with 1.5 is not
+ */
+public class PolicyQualifierInfo
+{
+
+  // Fields.
+  // ------------------------------------------------------------------------
+
+  /** The <code>policyQualifierId</code> field. */
+  private OID oid;
+
+  /** The DER encoded form of this object. */
+  private byte[] encoded;
+
+  /** The DER encoded form of the <code>qualifier</code> field. */
+  private DERValue qualifier;
+
+  // Constructor.
+  // ------------------------------------------------------------------------
+
+  /**
+   * Create a new PolicyQualifierInfo object from the DER encoded form
+   * passed in the byte array. The argument is copied.
+   *
+   * <p>The ASN.1 form of PolicyQualifierInfo is:
+<pre>
+PolicyQualifierInfo ::= SEQUENCE {
+   policyQualifierId     PolicyQualifierId,
+   qualifier             ANY DEFINED BY policyQualifierId
+}
+
+PolicyQualifierId ::= OBJECT IDENTIFIER
+</pre>
+   *
+   * @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 <code>policyQualifierId</code> field of this structure,
+   * as a dotted-decimal representation of the object identifier.
+   *
+   * @return This structure's OID field.
+   */
+  public final 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 final byte[] getEncoded()
+  {
+    return (byte[]) encoded.clone();
+  }
+
+  /**
+   * Get the <code>qualifier</code> 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 final 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 + " }";
+  }
+}