/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License, Version 1.0 only
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* (the "License"). You may not use this file except in compliance
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* with the License.
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*
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* You can obtain a copy of the license at
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* trunk/opends/resource/legal-notices/OpenDS.LICENSE
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* or https://OpenDS.dev.java.net/OpenDS.LICENSE.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at
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* trunk/opends/resource/legal-notices/OpenDS.LICENSE. If applicable,
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* add the following below this CDDL HEADER, with the fields enclosed
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* by brackets "[]" replaced with your own identifying information:
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* Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*
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*
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* Copyright 2009 Sun Microsystems, Inc.
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*/
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package com.sun.opends.sdk.ldap;
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import java.io.IOException;
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import java.util.concurrent.Future;
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import com.sun.grizzly.Buffer;
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import com.sun.grizzly.CompletionHandler;
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import com.sun.grizzly.streams.StreamWriter;
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import com.sun.grizzly.streams.StreamWriterDecorator;
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/**
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* SASL stream writer.
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*/
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@SuppressWarnings("unchecked")
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public final class SASLStreamWriter extends StreamWriterDecorator
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{
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private final SASLFilter saslFilter;
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public SASLStreamWriter(StreamWriter underlyingWriter,
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SASLFilter saslFilter)
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{
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super(underlyingWriter);
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this.saslFilter = saslFilter;
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}
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@Override
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protected Future<Integer> flush0(Buffer buffer,
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CompletionHandler<Integer> completionHandler) throws IOException
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{
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Future<Integer> lastWriterFuture = null;
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if (buffer != null)
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{
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buffer.flip();
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Buffer underlyingBuffer = underlyingWriter.getBuffer();
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byte[] netBuffer = saslFilter.wrap(buffer, getConnection());
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int remaining = netBuffer.length;
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while (remaining > 0)
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{
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int writeSize = Math.min(remaining, underlyingBuffer
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.remaining());
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underlyingBuffer.put(netBuffer, netBuffer.length - remaining,
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writeSize);
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lastWriterFuture = underlyingWriter.flush();
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remaining -= writeSize;
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}
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buffer.clear();
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}
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return lastWriterFuture;
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}
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}
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