Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
import java.io.ByteArrayInputStream;

import java.io.File;

import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.OutputStream;
import android.util.Base64;

public class Main {
    private static final int CACHE_SIZE = 1024;

    public static void decodeToFile(String filePath, String base64) throws Exception {
        byte[] bytes = decode(base64);
        byteArrayToFile(bytes, filePath);
    }

    public static byte[] decode(String base64) throws Exception {
        return Base64.decode(base64.getBytes(), Base64.NO_PADDING);
    }

    public static void byteArrayToFile(byte[] bytes, String filePath) throws Exception {
        InputStream in = new ByteArrayInputStream(bytes);
        File destFile = new File(filePath);
        if (!destFile.getParentFile().exists()) {
            destFile.getParentFile().mkdirs();
        }
        destFile.createNewFile();
        OutputStream out = new FileOutputStream(destFile);
        byte[] cache = new byte[CACHE_SIZE];
        int nRead = 0;
        while ((nRead = in.read(cache)) != -1) {
            out.write(cache, 0, nRead);
            out.flush();
        }
        out.close();
        in.close();
    }
}