1 files changed, 137 insertions, 0 deletions
diff --git a/gnu/javax/net/ssl/provider/ClientHelloBuilder.java b/gnu/javax/net/ssl/provider/ClientHelloBuilder.java
new file mode 100644
index 000000000..81e3dd72f
--- /dev/null
+++ b/gnu/javax/net/ssl/provider/ClientHelloBuilder.java
@@ -0,0 +1,137 @@
+/* ClientHelloBuilder.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;
+import java.util.List;
+
+/**
+ * Builder for {@link ClientHello} objects.
+ * 
+ * @author Casey Marshall (csm@gnu.org)
+ */
+public class ClientHelloBuilder extends ClientHello implements Builder
+{
+  public ClientHelloBuilder()
+  {
+    super(ByteBuffer.allocate(256));
+  }
+
+  /* (non-Javadoc)
+   * @see gnu.javax.net.ssl.provider.Builder#buffer()
+   */
+  public ByteBuffer buffer()
+  {
+    return (ByteBuffer) buffer.duplicate().position(0).limit(length());
+  }
+
+  public void setVersion(final ProtocolVersion version)
+  {
+    ensureCapacity(2);
+    buffer.putShort(0, (short) version.rawValue ());
+  }
+
+  public void setSessionId (final byte[] buffer)
+  {
+    setSessionId(buffer, 0, buffer.length);
+  }
+
+  public void setSessionId (final byte[] buffer, final int offset, final int length)
+  {
+    ensureCapacity(SESSID_OFFSET2 + length);
+    int len = Math.min (32, length);
+    this.buffer.put (SESSID_OFFSET, (byte) len);
+    this.buffer.position (SESSID_OFFSET2);
+    this.buffer.put (buffer, offset, len);
+  }
+  
+  public void setCipherSuites(List<CipherSuite> suites)
+  {
+    int off = getCipherSuitesOffset();
+    ensureCapacity(off + (2 * suites.size()) + 2);
+    buffer.putShort(off, (short) (suites.size() * 2));
+    int i = 2;
+    for (CipherSuite suite : suites)
+      {
+        ((ByteBuffer) buffer.duplicate().position(off+i)).put(suite.id());
+        i += 2;
+      }
+  }
+  
+  public void setCompressionMethods(List<CompressionMethod> methods)
+  {
+    int off = getCompressionMethodsOffset();
+    ensureCapacity(off + methods.size() + 1);
+    buffer.put(off, (byte) methods.size());
+    for (CompressionMethod method : methods)
+      buffer.put(++off, (byte) method.getValue());
+  }
+
+  public void setExtensionsLength (final int length)
+  {
+    if (length < 0 || length > 16384)
+      throw new IllegalArgumentException("length must be nonnegative and not exceed 16384");
+    int needed = getExtensionsOffset() + 2 + length;
+    if (buffer.capacity() < needed)
+      ensureCapacity(needed);
+    buffer.putShort(getExtensionsOffset(), (short) length);
+  }
+  
+  public void setExtensions(ByteBuffer extensions)
+  {
+    int elen = extensions.getShort(0) & 0xFFFF;
+    setExtensionsLength(elen);
+    ((ByteBuffer) buffer.duplicate().position(getExtensionsOffset())).put(extensions);
+  }
+  
+  public void setDisableExtensions(boolean disableExtensions)
+  {
+    this.disableExtensions = disableExtensions;
+  }
+  
+  public void ensureCapacity(final int length)
+  {
+    if (buffer.capacity() >= length)
+      return;
+    ByteBuffer newBuf = ByteBuffer.allocate(length);
+    newBuf.put((ByteBuffer) buffer.position(0));
+    newBuf.position(0);
+    this.buffer = newBuf;
+  }
+}