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/*
 * Copyright (c) 2012 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.eclipse.jetty.spdy.generator;

import java.nio.ByteBuffer;

import org.eclipse.jetty.spdy.ByteBufferPool;
import org.eclipse.jetty.spdy.frames.ControlFrame;
import org.eclipse.jetty.spdy.frames.NoOpFrame;

public class NoOpGenerator extends ControlFrameGenerator
{
    public NoOpGenerator(ByteBufferPool bufferPool)
    {
        super(bufferPool);
    }

    @Override
    public ByteBuffer generate(ControlFrame frame)
    {
        NoOpFrame noOp = (NoOpFrame)frame;

        int frameBodyLength = 0;
        int totalLength = ControlFrame.HEADER_LENGTH + frameBodyLength;
        ByteBuffer buffer = getByteBufferPool().acquire(totalLength, true);
        generateControlFrameHeader(noOp, frameBodyLength, buffer);

        buffer.flip();
        return buffer;
    }
}