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The Apache PDFBox library is an open source Java tool for working with PDF documents.

There is a newer version: 3.0.2

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.apache.pdfbox.io;

import java.io.ByteArrayOutputStream;

/**
 * An byte array output stream that allows direct access to the byte array.
 *
 * @author Ben Litchfield
 * @version $Revision: 1.4 $
 */
public class FastByteArrayOutputStream extends ByteArrayOutputStream
{
    /**
     * Constructor.
     *
     * @param size An initial size of the stream.
     */
    public FastByteArrayOutputStream( int size )
    {
        super( size );
    }

    /**
     * This will get the underlying byte array.
     *
     * @return The underlying byte array at this moment in time.
     */
    public byte[] getByteArray()
    {
        return buf;
    }
}