Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileInputStream;

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

public class Main {

    public static byte[] getBytes(InputStream is) throws IOException {
        ByteArrayOutputStream os = null;
        try {
            os = new ByteArrayOutputStream();
            copyStream(is, os);
        } finally {
            os.close();
        }
        return os.toByteArray();
    }

    public static byte[] getBytes(File file) throws Exception {
        FileInputStream fis = null;
        ByteArrayOutputStream baos = null;
        try {
            fis = new FileInputStream(file);
            baos = new ByteArrayOutputStream();
            copyStream(fis, baos);
            return baos.toByteArray();
        } finally {
            if (fis != null) {
                try {
                    fis.close();
                } catch (Exception e) {
                    e.printStackTrace();
                }
            }
        }
    }

    public static void copyStream(InputStream is, OutputStream os) throws IOException {
        byte buffer[] = new byte[1024];
        int len = -1;
        while ((len = is.read(buffer, 0, 1024)) != -1) {
            os.write(buffer, 0, len);
        }
    }
}