org.vesalainen.nio.channels.ByteBufferOutputStream Maven / Gradle / Ivy

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/*
 * Copyright (C) 2015 tkv
 *
 * This program 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 3 of the License, or
 * (at your option) any later version.
 *
 * This program 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 this program.  If not, see .
 */
package org.vesalainen.nio.channels;

import java.io.IOException;
import java.io.OutputStream;
import java.nio.BufferOverflowException;
import java.nio.ByteBuffer;

/**
 *
 * @author tkv
 */
public class ByteBufferOutputStream extends OutputStream
{
    private ByteBuffer[] srcs;
    private int offset;
    private int length;

    public ByteBufferOutputStream()
    {
    }

    public ByteBufferOutputStream(ByteBuffer src)
    {
        this(new ByteBuffer[] {src});
    }

    public ByteBufferOutputStream(ByteBuffer[] srcs)
    {
        this(srcs, 0, 1);
    }

    public ByteBufferOutputStream(ByteBuffer[] srcs, int offset, int length)
    {
        set(srcs, offset, length);
    }
    /**
     * Returns the number of bytes that can be written.
     * @return 
     */
    public final int getRemaining()
    {
        int rem = 0;
        for (int ii=0;ii 1)
            {
                offset++;
                length--;
                write(b);
            }
            else
            {
                throw new IOException("buffer overflow");
            }
        }
    }
    
}