Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
//License from project: Apache License 

import java.nio.BufferUnderflowException;
import java.nio.ByteBuffer;

public class Main {
    /**
     * Relative <em>get</em> method for reading {@code size} number of bytes from the current
     * position of this buffer.
     * <p>
     * <p>This method reads the next {@code size} bytes at this buffer's current position,
     * returning them as a {@code ByteBuffer} with start set to 0, limit and capacity set to
     * {@code size}, byte order set to this buffer's byte order; and then increments the position by
     * {@code size}.
     */
    private static ByteBuffer getByteBuffer(final ByteBuffer source, final int size)
            throws BufferUnderflowException {
        if (size < 0) {
            throw new IllegalArgumentException("size: " + size);
        }
        final int originalLimit = source.limit();
        final int position = source.position();
        final int limit = position + size;
        if ((limit < position) || (limit > originalLimit)) {
            throw new BufferUnderflowException();
        }
        source.limit(limit);
        try {
            final ByteBuffer result = source.slice();
            result.order(source.order());
            source.position(limit);
            return result;
        } finally {
            source.limit(originalLimit);
        }
    }
}