Binary file

BinaryFile.java

package com.zeroleaf.util;

import java.io.*;

/**
 * User: zeroleaf
 * Date: 13-10-4
 * Time: 14:11
 *
 * Generate a binary file (in a byte array) from regular file.<br/>
 * and convert a binary file to regular file.
 *
 */
public class BinaryFile {

    public static byte[] fileInBytes(String filePath) {
        FileInputStream fis = null;
        ByteArrayOutputStream baos = null;
        try {
            fis = new FileInputStream(filePath);
            baos = new ByteArrayOutputStream();
            byte[] temp = new byte[1024];
            int readByte;
            while ((readByte = fis.read(temp)) != -1) {
                baos.write(temp, 0, readByte);
            }
            return baos.toByteArray();
        } catch (FileNotFoundException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            try {
                if (fis != null) {
                    fis.close();
                }
                if (baos != null) {
                    baos.close();
                }
            } catch (IOException e) {
                e.printStackTrace();
            }
        }

        return null;
    }

    public static void bytesToFile(byte[] bytes, String outPath) {
        BufferedOutputStream bos = null;
        try {
            bos = new BufferedOutputStream(new FileOutputStream(outPath));
            bos.write(bytes);
            bos.flush();
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            try {
                if (bos != null) {
                    bos.close();
                }
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }


}