Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Copyright 2012 The Stanford MobiSocial Laboratory
 *
 * 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.File;

import java.util.Date;

import android.content.Context;

import android.os.Environment;

public class Main {
    public static File getFileForCrypt(String hash, Context context) {
        File externalCacheDir = new File(
                new File(new File(new File(Environment.getExternalStorageDirectory(), "Android"), "data"),
                        context.getPackageName()),
                "cypher");
        externalCacheDir.mkdirs();

        // clear old items
        String[] files = externalCacheDir.list();
        long th = new Date().getTime() - 24 * 60 * 60 * 1000; // expire one day
        for (int i = 0; i < files.length; i++) {
            File tmp = new File(externalCacheDir, files[i]);
            if (tmp.lastModified() < th) {
                tmp.delete();
            }
        }

        // add new file
        File dst = new File(externalCacheDir, hash + ".tmp");
        if (dst.exists()) {
            dst.delete();
        }
        //      dst.deleteOnExit();
        return dst;
    }
}