Main.java Source code

Introduction

Here is the source code for Main.java

Source

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

import java.io.IOException;
import java.io.InputStream;

public class Main {
    private static final int PART_SIZE = 20 * 1024;

    private static byte[] readBiggerStream(final InputStream in, final long streamlength) throws IOException {
        byte[] bytes = new byte[PART_SIZE * 3];
        int readed = -1;
        int patchsize = -1;
        long skiped = -1;
        long patchskip = -1;
        long pointpos = 0;
        readed = in.read(bytes, 0, PART_SIZE);
        patchsize = readed;
        while (patchsize > 0 && readed != PART_SIZE) {
            patchsize = in.read(bytes, readed, PART_SIZE - readed);
            if (patchsize > 0) {
                readed += patchsize;
            }
        }
        pointpos = streamlength / 3 - PART_SIZE;
        skiped = in.skip(pointpos);
        patchskip = skiped;
        while (patchskip > 0 && skiped != pointpos) {
            patchskip = in.skip(pointpos - skiped);
            if (patchskip > 0) {
                skiped += patchskip;
            }
        }
        readed = in.read(bytes, PART_SIZE, PART_SIZE);
        patchsize = readed;
        while (patchsize > 0 && readed != PART_SIZE) {
            patchsize = in.read(bytes, PART_SIZE + readed, PART_SIZE - readed);
            if (patchsize > 0) {
                readed += patchsize;
            }
        }
        pointpos = streamlength - streamlength / 3 - PART_SIZE * 2;
        skiped = in.skip(pointpos);
        patchskip = skiped;
        while (patchskip > 0 && skiped != pointpos) {
            patchskip = in.skip(pointpos - skiped);
            if (patchskip > 0) {
                skiped += patchskip;
            }
        }
        readed = in.read(bytes, PART_SIZE * 2, PART_SIZE);
        patchsize = readed;
        while (patchsize > 0 && readed != PART_SIZE) {
            patchsize = in.read(bytes, PART_SIZE * 2 + readed, PART_SIZE - readed);
            if (patchsize > 0) {
                readed += patchsize;
            }
        }
        return bytes;
    }
}