1 files changed, 131 insertions, 0 deletions
diff --git a/gnu/javax/net/ssl/provider/ServerHelloBuilder.java b/gnu/javax/net/ssl/provider/ServerHelloBuilder.java
new file mode 100644
index 000000000..09ad1d9e8
--- /dev/null
+++ b/gnu/javax/net/ssl/provider/ServerHelloBuilder.java
@@ -0,0 +1,131 @@
+/* ServerHelloBuilder.java -- 
+   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.nio.ByteBuffer;
+
+/**
+ * @author csm
+ *
+ */
+public class ServerHelloBuilder extends ServerHello implements Builder
+{
+  public ServerHelloBuilder()
+  {
+    // Allocate a large enough buffer to hold a hello with the maximum
+    // size session ID, and no extensions.
+    super(ByteBuffer.allocate(SESSID_OFFSET2 + 35));
+  }
+
+  public ByteBuffer buffer()
+  {
+    return ((ByteBuffer) buffer.duplicate().position(0).limit(length())).slice();
+  }
+  
+  // We don't reallocate the buffer in any of the following methods,
+  // because we always allocate a large enough buffer for the base
+  // object in the constructor.
+  
+  public void setVersion (final ProtocolVersion version)
+  {
+    buffer.putShort (0, (short) version.rawValue ());
+  }
+
+  public void setSessionId (final byte[] sessionId)
+  {
+    setSessionId (sessionId, 0, sessionId.length);
+  }
+
+  public void setSessionId (final byte[] sessionId, final int offset,
+                            final int length)
+  {
+    if (length < 0 || length > 32)
+      throw new IllegalArgumentException("length must be between 0 and 32");
+    buffer.put(SESSID_OFFSET, (byte) length);
+    ((ByteBuffer) buffer.duplicate().position(SESSID_OFFSET2))
+      .put(sessionId, offset, length);
+  }
+
+  public void setCipherSuite (final CipherSuite suite)
+  {
+    int offset = SESSID_OFFSET + (buffer.get(SESSID_OFFSET) & 0xFF) + 1;
+    ((ByteBuffer) buffer.duplicate().position(offset)).put(suite.id());
+  }
+
+  public void setCompressionMethod (final CompressionMethod comp)
+  {
+    int offset = SESSID_OFFSET + (buffer.get(SESSID_OFFSET) & 0xFF) + 3;
+    buffer.put (offset, (byte) comp.getValue ());
+  }
+
+  // For extensions, we do reallocate the buffer.
+  
+  public void setDisableExtensions(boolean disable)
+  {
+    disableExtensions = disable;
+  }
+  
+  public void setExtensionsLength (final int length)
+  {
+    if (length < 0 || length > 16384)
+      throw new IllegalArgumentException("length must be nonnegative and not exceed 16384");
+    int needed = SESSID_OFFSET2 + (buffer.get(SESSID_OFFSET) & 0xFF) + 5 + length;
+    if (buffer.capacity() < needed)
+      ensureCapacity(needed);
+    buffer.putShort (SESSID_OFFSET2 + (buffer.get (SESSID_OFFSET) & 0xFF) + 3,
+                     (short) length);
+  }
+  
+  public void setExtensions(ByteBuffer extensions)
+  {
+    extensions = (ByteBuffer)
+      extensions.duplicate().limit(extensions.position() + extensionsLength());
+    ((ByteBuffer) buffer.duplicate().position(SESSID_OFFSET2
+                                              + (buffer.get(SESSID_OFFSET) & 0xFF)
+                                              )).put(extensions);
+  }
+  
+  public void ensureCapacity(int newCapacity)
+  {
+    ByteBuffer newBuffer = ByteBuffer.allocate(newCapacity);
+    newBuffer.put(buffer);
+    newBuffer.position(0);
+    buffer = newBuffer;
+  }
+}