Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 * CacheUtils.java
 *
 * Copyright 2014 Yuuki Shimizu.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import android.content.Context;

public class Main {
    public static byte[] read(Context context, String fileName) throws FileNotFoundException, IOException {

        File file = getFile(context, fileName);
        ByteArrayOutputStream bos = new ByteArrayOutputStream();

        if (file != null) {
            FileInputStream fis = new FileInputStream(file);
            byte[] data = new byte[fis.available()];
            fis.read(data);
            bos.write(data);
            fis.close();
        }

        return bos.toByteArray();
    }

    private static File getFile(Context context, String fileName) {

        File dir = context.getCacheDir();
        dir.mkdirs();
        File file = new File(dir, fileName);

        return file;
    }

    public static void write(Context context, byte[] data, String fileName)
            throws FileNotFoundException, IOException {

        File file = getFile(context, fileName);

        if (file != null && data != null) {
            FileOutputStream fos = new FileOutputStream(file);
            fos.write(data);
            fos.close();
        }
    }
}