FileUtils.java

/**
 * OpenAtlasForAndroid Project
 * The MIT License (MIT) Copyright (OpenAtlasForAndroid) 2015 Bunny Blue,achellies
 * <p>
 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
 * and associated documentation files (the "Software"), to deal in the Software
 * without restriction, including without limitation the rights to use, copy, modify,
 * merge, publish, distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to the following conditions:
 * <p>
 * The above copyright notice and this permission notice shall be included in all copies
 * or substantial portions of the Software.
 * <p>
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
 * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
 * PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
 * FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 *
 * @author BunnyBlue
 **/
package com.openatlas.util;

import android.text.TextUtils;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.List;

public class FileUtils {
    public static boolean saveString(String str, File file, boolean append) {

        if (TextUtils.isEmpty(str) || file == null) {
            return false;
        }
        if (!file.exists()) {
            try {
                file.createNewFile();
            } catch (IOException e) {
                return false;
            }
        }
        OutputStream fileOutputStream = null;
        try {
            fileOutputStream = new FileOutputStream(file, append);

            fileOutputStream.write((str + "\r\n").getBytes());
            fileOutputStream.flush();
            if (fileOutputStream != null) {
                try {
                    fileOutputStream.close();
                } catch (IOException e2) {
                    e2.printStackTrace();
                }
            }

            return true;
        } catch (FileNotFoundException e4) {
            return false;
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } finally {
            if (fileOutputStream != null) {
                try {
                    fileOutputStream.close();
                } catch (IOException e3) {
                    e3.printStackTrace();
                }
            }

        }
        return false;
    }

    public static boolean saveStrings(String[] dataArrs, File file) {

        int i = 0;
        if (dataArrs == null || dataArrs.length == 0 || file == null) {
            return false;
        }
        if (!file.exists()) {
            try {
                file.createNewFile();
            } catch (IOException e) {
                return false;
            }
        }
        OutputStream fileOutputStream = null;
        try {
            fileOutputStream = new FileOutputStream(file);

            int length = dataArrs.length;
            while (i < length) {
                fileOutputStream.write((dataArrs[i] + "\r\n").getBytes());
                i++;
            }
            fileOutputStream.flush();

            return true;
        } catch (FileNotFoundException e4) {
            return false;
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } finally {

            if (fileOutputStream != null) {
                try {
                    fileOutputStream.close();
                } catch (IOException e2) {
                    e2.printStackTrace();
                }
            }
        }
        return false;
    }

    public static String[] getStrings(File file) {

        List<String> arrayList = new ArrayList<String>();
        if (file == null || !file.exists()) {
            return arrayList.toArray(new String[arrayList.size()]);
        }
        InputStream fileInputStream = null;
        BufferedReader bufferedReader = null;
        try {
            fileInputStream = new FileInputStream(file);
            bufferedReader = new BufferedReader(new InputStreamReader(fileInputStream));
            while (true) {
                String readLine = bufferedReader.readLine();
                if (readLine == null) {
                    break;
                }
                arrayList.add(readLine);
            }

        } catch (FileNotFoundException e4) {
            // return arrayList.toArray(new String[arrayList.size()]);
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } finally {

            if (fileInputStream != null) {
                try {
                    fileInputStream.close();
                } catch (IOException e3) {
                    e3.printStackTrace();
                }
            }
            if (bufferedReader != null) {
                try {
                    bufferedReader.close();
                } catch (IOException e3) {
                    e3.printStackTrace();
                }
            }

        }
        return arrayList.toArray(new String[arrayList.size()]);
    }

    public static void deleteFile(String path) throws IOException {

        File file = new File(path);
        if (!file.exists()) {
            return;
        }
        if (file.isDirectory()) {
            File[] listFiles = file.listFiles();
            if (listFiles.length == 0) {
                file.delete();
                return;
            }
            for (File absolutePath : listFiles) {
                deleteFile(absolutePath.getAbsolutePath());
            }
            return;
        }
        file.delete();
    }

    public static boolean validationFile(String filePath) {

        try {
            FileInputStream fileInputStream = new FileInputStream(filePath);
            fileInputStream.close();
        } catch (FileNotFoundException e) {
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        return false;
    }
}