1 files changed, 113 insertions, 0 deletions
diff --git a/gnu/javax/net/ssl/provider/CertificateRequestBuilder.java b/gnu/javax/net/ssl/provider/CertificateRequestBuilder.java
new file mode 100644
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+++ b/gnu/javax/net/ssl/provider/CertificateRequestBuilder.java
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+/* CertificateRequestBuilder.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 static gnu.javax.net.ssl.provider.CertificateRequest.ClientCertificateType;
+
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.nio.ByteBuffer;
+import java.util.List;
+
+import javax.security.auth.x500.X500Principal;
+
+/**
+ * Builder for {@link CertificateRequest} objects.
+ * 
+ * @author Casey Marshall (csm@gnu.org)
+ */
+public class CertificateRequestBuilder extends CertificateRequest
+  implements Builder
+{
+  public CertificateRequestBuilder()
+  {
+    super(ByteBuffer.allocate(1024));
+  }
+
+  /* (non-Javadoc)
+   * @see gnu.javax.net.ssl.provider.Builder#buffer()
+   */
+  public ByteBuffer buffer()
+  {
+    return ((ByteBuffer) buffer.duplicate().limit(length())).slice();
+  }
+
+  public void setTypes(List<ClientCertificateType> types)
+  {
+    ensureCapacity(types.size() + 3);
+    buffer.put(0, (byte) types.size());
+    ByteBuffer b = (ByteBuffer) buffer.duplicate().position(1);
+    for (ClientCertificateType type : types)
+      b.put((byte) type.getValue());
+  }
+  
+  public void setAuthorities(List<X500Principal> authorities)
+  {
+    ByteArrayOutputStream out = new ByteArrayOutputStream(1024);
+    for (X500Principal auth : authorities)
+      {
+        byte[] encoded = auth.getEncoded();
+        out.write((encoded.length >>> 8) & 0xFF);
+        out.write( encoded.length        & 0xFF);
+        try
+          {
+            out.write(encoded);
+          }
+        catch (IOException ignored)
+          {
+            // Ignored; we use a ByteArrayOutputStream.
+          }
+      }
+    byte[] auths = out.toByteArray();
+    int typesLen = 1 + (buffer.get(0) & 0xFF);
+    int len = typesLen + auths.length + 2;
+    ensureCapacity(len);
+    buffer.putShort(typesLen, (short) auths.length);
+    ((ByteBuffer) buffer.duplicate().position(typesLen + 2)).put(auths);
+  }
+  
+  public void ensureCapacity(final int capacity)
+  {
+    if (buffer.capacity() >= capacity)
+      return;
+    ByteBuffer newBuffer = ByteBuffer.allocate(capacity);
+    newBuffer.duplicate().put(buffer);
+    buffer = newBuffer;
+  }
+}