Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Copyright (C) Stichting Akvo (Akvo Foundation)
 *
 * This file is part of Akvo Caddisfly.
 *
 * Akvo Caddisfly is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Akvo Caddisfly is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Akvo Caddisfly. If not, see <http://www.gnu.org/licenses/>.
 */

import android.content.Context;

import android.util.Log;

import java.io.BufferedReader;

import java.io.DataInputStream;
import java.io.File;
import java.io.FileInputStream;

import java.io.IOException;
import java.io.InputStreamReader;

import java.nio.charset.StandardCharsets;

public class Main {
    private static final String TAG = "FileUtil";

    public static String readFromInternalStorage(Context context, String fileName) {

        File file = new File(context.getFilesDir(), fileName);

        try {
            FileInputStream fis = new FileInputStream(file);
            DataInputStream in = new DataInputStream(fis);
            BufferedReader br = new BufferedReader(new InputStreamReader(in, StandardCharsets.UTF_8));
            String line;

            StringBuilder stringBuilder = new StringBuilder();
            while ((line = br.readLine()) != null) {
                stringBuilder.append(line);
            }
            String json = stringBuilder.toString();

            br.close();
            in.close();
            fis.close();

            return json;
        } catch (IOException e) {
            Log.e(TAG, e.getMessage(), e);
        }

        return null;
    }
}