FileUtils.java

/*
 * This file is part of Prepay Credit for Android
 *
 * Copyright © 2013  Damien O'Reilly
 *
 * Prepay Credit for Android 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.
 * Prepay Credit for Android 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 Prepay Credit for Android.  If not, see <http://www.gnu.org/licenses/>.
 *
 * Report bugs or new features at: https://github.com/DamienOReilly/PrepayCredit
 * Contact the author at:          damienreilly@gmail.com
 */

package damo.three.ie.util;

import android.content.Context;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;

public class FileUtils {

    /**
     * Reads the contents of a raw file into a String.
     *
     * @param context    Context
     * @param resourceId ID of the raw resource
     * @return {@link String} containing file contents
     */
    public static String readFile(Context context, int resourceId) throws IOException {

        InputStream inputStream = context.getResources().openRawResource(resourceId);
        InputStreamReader inputStreamReader = new InputStreamReader(inputStream);
        BufferedReader bufferedReader = new BufferedReader(inputStreamReader);
        String receiveString;
        StringBuilder stringBuilder = new StringBuilder();

        while ((receiveString = bufferedReader.readLine()) != null) {
            stringBuilder.append(receiveString);
        }

        inputStream.close();
        return stringBuilder.toString();
    }
}