1 files changed, 129 insertions, 0 deletions
diff --git a/gcc-4.4.3/libjava/classpath/gnu/java/security/x509/ext/BasicConstraints.java b/gcc-4.4.3/libjava/classpath/gnu/java/security/x509/ext/BasicConstraints.java
new file mode 100644
index 000000000..d8f5c6158
--- /dev/null
+++ b/gcc-4.4.3/libjava/classpath/gnu/java/security/x509/ext/BasicConstraints.java
@@ -0,0 +1,129 @@
+/* BasicConstraints.java -- the basic constraints 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.DER;
+import gnu.java.security.der.DERReader;
+import gnu.java.security.der.DERValue;
+
+import java.io.IOException;
+import java.math.BigInteger;
+import java.util.ArrayList;
+import java.util.List;
+
+public class BasicConstraints extends Extension.Value
+{
+
+  // Constants and fields.
+  // -------------------------------------------------------------------------
+
+  public static final OID ID = new OID("2.5.29.19");
+
+  private final boolean ca;
+  private final int pathLenConstraint;
+
+  // Constructor.
+  // -------------------------------------------------------------------------
+
+  public BasicConstraints(final byte[] encoded) throws IOException
+  {
+    super(encoded);
+    DERReader der = new DERReader(encoded);
+    DERValue bc = der.read();
+    if (!bc.isConstructed())
+      throw new IOException("malformed BasicConstraints");
+    DERValue val = bc;
+    if (bc.getLength() > 0)
+      val = der.read();
+    if (val.getTag() == DER.BOOLEAN)
+      {
+        ca = ((Boolean) val.getValue()).booleanValue();
+        if (val.getEncodedLength() < bc.getLength())
+          val = der.read();
+      }
+    else
+      ca = false;
+    if (val.getTag() == DER.INTEGER)
+      {
+        pathLenConstraint = ((BigInteger) val.getValue()).intValue();
+      }
+    else
+      pathLenConstraint = -1;
+  }
+
+  public BasicConstraints (final boolean ca, final int pathLenConstraint)
+  {
+    this.ca = ca;
+    this.pathLenConstraint = pathLenConstraint;
+  }
+
+  // Instance methods.
+  // -------------------------------------------------------------------------
+
+  public boolean isCA()
+  {
+    return ca;
+  }
+
+  public int getPathLengthConstraint()
+  {
+    return pathLenConstraint;
+  }
+
+  public byte[] getEncoded()
+  {
+    if (encoded == null)
+      {
+        List bc = new ArrayList (2);
+        bc.add (new DERValue (DER.BOOLEAN, Boolean.valueOf (ca)));
+        if (pathLenConstraint >= 0)
+          bc.add (new DERValue (DER.INTEGER,
+                                BigInteger.valueOf ((long) pathLenConstraint)));
+        encoded = new DERValue (DER.CONSTRUCTED|DER.SEQUENCE, bc).getEncoded();
+      }
+    return (byte[]) encoded.clone();
+  }
+
+  public String toString()
+  {
+    return BasicConstraints.class.getName() + " [ isCA=" + ca +
+      " pathLen=" + pathLenConstraint + " ]";
+  }
+}