1 files changed, 189 insertions, 0 deletions
diff --git a/gcc-4.4.3/libjava/classpath/gnu/java/security/der/DERValue.java b/gcc-4.4.3/libjava/classpath/gnu/java/security/der/DERValue.java
new file mode 100644
index 000000000..d98ce78ec
--- /dev/null
+++ b/gcc-4.4.3/libjava/classpath/gnu/java/security/der/DERValue.java
@@ -0,0 +1,189 @@
+/* DERValue.java -- a value read or written to a DER encoding.
+   Copyright (C) 2003 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.der;
+
+import gnu.java.security.x509.Util;
+
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+
+public class DERValue implements DER
+{
+
+  // Fields.
+  // ------------------------------------------------------------------------
+
+  private final int tagClass;
+  private final boolean constructed;
+  private final int tag;
+  private int length;
+  private final Object value;
+  private byte[] encoded;
+
+  // Constructor.
+  // ------------------------------------------------------------------------
+
+  public DERValue(int tag, int length, Object value, byte[] encoded)
+  {
+    tagClass = tag & 0xC0;
+    this.tag = tag & 0x1F;
+    constructed = (tag & CONSTRUCTED) == CONSTRUCTED;
+    this.length = length;
+    this.value = value;
+    if (encoded != null)
+      this.encoded = (byte[]) encoded.clone();
+  }
+
+  public DERValue(int tag, Object value)
+  {
+    this(tag, 0, value, null);
+  }
+
+  // Instance methods.
+  // ------------------------------------------------------------------------
+
+  public int getExternalTag()
+  {
+    return tagClass | tag | (constructed ? 0x20 : 0x00);
+  }
+
+  public int getTag()
+  {
+    return tag;
+  }
+
+  public int getTagClass()
+  {
+    return tagClass;
+  }
+
+  public boolean isConstructed()
+  {
+    return constructed;
+  }
+
+  public int getLength()
+  {
+    if (encoded == null)
+      {
+        try
+          {
+            ByteArrayOutputStream out = new ByteArrayOutputStream();
+            length = DERWriter.write(out, this);
+            encoded = out.toByteArray();
+          }
+        catch (IOException ioe)
+          {
+            IllegalArgumentException iae = new IllegalArgumentException ();
+            iae.initCause (ioe);
+            throw iae;
+          }
+      }
+    return length;
+  }
+
+  public Object getValue()
+  {
+    return value;
+  }
+
+  public Object getValueAs (final int derType) throws IOException
+  {
+    byte[] encoded = getEncoded ();
+    encoded[0] = (byte) derType;
+    return DERReader.read (encoded).getValue ();
+  }
+
+  public byte[] getEncoded()
+  {
+    if (encoded == null)
+      {
+        try
+          {
+            ByteArrayOutputStream out = new ByteArrayOutputStream();
+            length = DERWriter.write(out, this);
+            encoded = out.toByteArray();
+          }
+        catch (IOException ioe)
+          {
+            IllegalArgumentException iae = new IllegalArgumentException ();
+            iae.initCause (ioe);
+            throw iae;
+          }
+      }
+    return (byte[]) encoded.clone();
+  }
+
+  public int getEncodedLength()
+  {
+    if (encoded == null)
+      {
+        try
+          {
+            ByteArrayOutputStream out = new ByteArrayOutputStream();
+            length = DERWriter.write(out, this);
+            encoded = out.toByteArray();
+          }
+        catch (IOException ioe)
+          {
+            IllegalArgumentException iae = new IllegalArgumentException ();
+            iae.initCause (ioe);
+            throw iae;
+          }
+      }
+    return encoded.length;
+  }
+
+  public String toString()
+  {
+    String start = "DERValue ( [";
+    if (tagClass == DER.UNIVERSAL) 
+      start = start + "UNIVERSAL ";
+    else if (tagClass == DER.PRIVATE) 
+      start = start + "PRIVATE ";
+    else if (tagClass == DER.APPLICATION) 
+      start = start + "APPLICATION ";
+    start = start + tag + "] constructed=" + constructed + ", value=";
+    if (constructed)
+     start = start + "\n" + Util.hexDump(getEncoded(), "\t");
+    else
+     start = start + value;
+    return start + " )";
+  }
+}