Main.java Source code

Introduction

Here is the source code for Main.java

Source

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

public class Main {
    /**
     * Fragments a byte buffer into smaller fragments of (max.) frag_size.
     * Example: a byte buffer of 1024 bytes and a frag_size of 248 gives 4 fragments
     * of 248 bytes each and 1 fragment of 32 bytes.
     * @return An array of byte buffers (<code>byte[]</code>).
     */
    public static byte[][] fragmentBuffer(byte[] buf, int frag_size, final int length) {
        byte[] retval[];
        int accumulated_size = 0;
        byte[] fragment;
        int tmp_size = 0;
        int num_frags;
        int index = 0;

        num_frags = length % frag_size == 0 ? length / frag_size : length / frag_size + 1;
        retval = new byte[num_frags][];

        while (accumulated_size < length) {
            if (accumulated_size + frag_size <= length)
                tmp_size = frag_size;
            else
                tmp_size = length - accumulated_size;
            fragment = new byte[tmp_size];
            System.arraycopy(buf, accumulated_size, fragment, 0, tmp_size);
            retval[index++] = fragment;
            accumulated_size += tmp_size;
        }
        return retval;
    }
}