1 files changed, 198 insertions, 0 deletions
diff --git a/gnu/javax/net/ssl/provider/Record.java b/gnu/javax/net/ssl/provider/Record.java
new file mode 100644
index 000000000..6f5a23ef4
--- /dev/null
+++ b/gnu/javax/net/ssl/provider/Record.java
@@ -0,0 +1,198 @@
+/* Record.java -- A single SSL Record.
+   Copyright (C) 2006  Free Software Foundation, Inc.
+
+This file is a 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 of the License, 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; if not, write to the Free Software
+Foundation, Inc., 51 Franklin St, 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.javax.net.ssl.provider;
+
+import java.io.PrintWriter;
+import java.io.StringWriter;
+import java.nio.ByteBuffer;
+import java.nio.ByteOrder;
+
+/**
+ * A SSL/TLS record structure. An SSL record is defined to be:
+ *
+ * <pre>
+struct
+{
+  {@link ContentType}     type;
+  {@link ProtocolVersion} version;
+  uint16          length;
+  opaque          fragment[TLSPlaintext.length];
+} TLSPlaintext;
+</pre>
+ */
+public class Record
+{
+  private final ByteBuffer buffer;
+
+  public Record (final ByteBuffer buffer)
+  {
+    this.buffer = buffer.duplicate().order(ByteOrder.BIG_ENDIAN);
+  }
+
+  // XXX remove
+  public ContentType getContentType ()
+  {
+    return contentType ();
+  }
+
+  /**
+   * Gets the content type field.
+   *
+   * @return The content type field.
+   */
+  public ContentType contentType ()
+  {
+    return ContentType.forInteger (buffer.get (0) & 0xFF);
+  }
+
+  /**
+   * Get the fragment content, storing it into <code>sink</code>.
+   *
+   * @param sink The sink for the fragment bytes.
+   * @return The number of bytes put into <code>sink</code>
+   */
+  public int fragment (final ByteBuffer sink)
+  {
+    int length = length ();
+    sink.put (((ByteBuffer) buffer.limit (5 + length).position (5)).slice ());
+    return length;
+  }
+
+  /**
+   * Returns the fragment field as a ByteBuffer. The returned buffer
+   * is shared with this object's underlying buffer, so it will share
+   * its attributes. For example, if the underlying buffer is
+   * read-only, the returned buffer will be read-only.
+   *
+   * @return The fragment buffer.
+   */
+  public ByteBuffer fragment ()
+  {
+    int length = length ();
+    return ((ByteBuffer) buffer.limit (5 + length).position (5)).slice ();
+  }
+
+  /**
+   * Gets the fragment length.
+   *
+   * @return The fragment length.
+   */
+  public int length ()
+  {
+    // XXX this is different behavior than we usually want: we return the
+    // length field, not the total length. We should consider changing this.
+    return buffer.getShort (3) & 0xFFFF;
+  }
+
+  /**
+   * Gets the protocol version field.
+   *
+   * @return The protocol version field.
+   */
+  public ProtocolVersion version ()
+  {
+    int major = buffer.get (1) & 0xFF;
+    int minor = buffer.get (2) & 0xFF;
+    return ProtocolVersion.getInstance (major, minor);
+  }
+
+  /**
+   * Sets the content type field.
+   *
+   * @param type The content type.
+   * @throws java.nio.ReadOnlyBufferException If the underlying buffer
+   * is not writeable.
+   * @throws NullPointerException If <i>type</i> is <code>null</code>.
+   */
+  public void setContentType (final ContentType type)
+  {
+    buffer.put (0, (byte) type.getValue ());
+  }
+
+  /**
+   * Sets the fragment length.
+   *
+   * @param length The fragment length.
+   * @throws java.nio.ReadOnlyBufferException If the underlying buffer
+   * is not writeable.
+   * @throws IllegalArgumentException If the length is not between 0
+   * and 16384, inclusive.
+   */
+  public void setLength (final int length)
+  {
+    if (length < 0 || length > 16384)
+      throw new IllegalArgumentException ("length " + length + " out of range; "
+                                          + "must be between 0 and 16384");
+    buffer.putShort (3, (short) length);
+  }
+
+  /**
+   * Sets the protocol version field.
+   *
+   * @param version The protocol version.
+   * @throws java.nio.ReadOnlyBufferException If the underlying buffer
+   * is not writeable.
+   * @throws NullPointerException If <i>version</i> is <code>null</code>.
+   */
+  public void setVersion (final ProtocolVersion version)
+  {
+    buffer.put (1, (byte) version.major ()).put (2, (byte) version.minor ());
+  }
+
+  public String toString ()
+  {
+    StringWriter str = new StringWriter ();
+    PrintWriter out = new PrintWriter (str);
+    out.println ("struct {");
+    out.print ("  type:    ");
+    out.print (contentType ());
+    out.println (";");
+    out.print ("  version: ");
+    out.print (version ());
+    out.println (";");
+    out.print("  length: ");
+    out.print(length());
+    out.println(";");
+    out.println ("  fragment {");
+    out.print (Util.hexDump (fragment (), "    "));
+    out.println ("  };");
+    out.print ("} Record;");
+    return str.toString ();
+  }
+}