1 files changed, 89 insertions, 0 deletions
diff --git a/gnu/javax/net/ssl/provider/ServerKeyExchangeBuilder.java b/gnu/javax/net/ssl/provider/ServerKeyExchangeBuilder.java
new file mode 100644
index 000000000..d4b6fa397
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+++ b/gnu/javax/net/ssl/provider/ServerKeyExchangeBuilder.java
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+/* ServerKeyExchangeBuilder.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;
+
+/**
+ * Builder for {@link ServerKeyExchange} objects.
+ * 
+ * @author Casey Marshall (csm@gnu.org)
+ */
+public class ServerKeyExchangeBuilder extends ServerKeyExchange
+    implements Builder
+{
+  public ServerKeyExchangeBuilder(final CipherSuite suite)
+  {
+    super(ByteBuffer.allocate(1024), suite);
+  }
+
+  /* (non-Javadoc)
+   * @see gnu.javax.net.ssl.provider.Builder#buffer()
+   */
+  public ByteBuffer buffer()
+  {
+    return ((ByteBuffer) buffer.duplicate().position(0).limit(length())).slice();
+  }
+
+  public void setParams(ByteBuffer params)
+  {
+    if (suite.keyExchangeAlgorithm() == KeyExchangeAlgorithm.NONE)
+      throw new IllegalArgumentException("key exchange algorithm is none");
+    ensureCapacity(params.remaining());
+    buffer.duplicate().put(params);
+  }
+  
+  public void setSignature(ByteBuffer signature)
+  {
+    if (suite.keyExchangeAlgorithm() == KeyExchangeAlgorithm.NONE)
+      throw new IllegalArgumentException("key exchange algorithm is none");
+    int paramsLen = params().length();
+    ensureCapacity(paramsLen + signature.remaining());
+    ((ByteBuffer) buffer.duplicate().position(paramsLen)).put(signature);
+  }
+  
+  public void ensureCapacity(int capacity)
+  {
+    if (buffer.capacity() >= capacity)
+      return;
+    ByteBuffer newBuffer = ByteBuffer.allocate(capacity);
+    newBuffer.duplicate().put(buffer);
+    buffer = newBuffer;
+  }
+}