Java ClassLoader readFromFile(Object obj, String fileName)

Description

read From File

License

Open Source License

Declaration

public static String readFromFile(Object obj, String fileName) throws IOException 

Method Source Code

//package com.java2s;
/*/*from  w ww  .  ja v a 2s .co  m*/
 * The MIT License (MIT)
 *
 * Copyright (c) 2017 Comapi (trading name of Dynmark International Limited)
 *
 * 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:
 *
 * The above copyright notice and this permission notice shall be included in all copies or substantial portions of the
 * Software.
 *
 * 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.
 */

import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.IOException;
import java.net.URL;

public class Main {
    public static String readFromFile(Object obj, String fileName) throws IOException {
        return readFile(getFileFromPath(obj, fileName));
    }

    private static String readFile(File file) throws IOException {
        BufferedReader reader = new BufferedReader(new FileReader(file));
        String line = null;
        StringBuilder stringBuilder = new StringBuilder();
        String ls = System.getProperty("line.separator");

        try {
            while ((line = reader.readLine()) != null) {
                stringBuilder.append(line);
                stringBuilder.append(ls);
            }

            return stringBuilder.toString();
        } finally {
            reader.close();
        }
    }

    private static File getFileFromPath(Object obj, String fileName) {
        ClassLoader classLoader = obj.getClass().getClassLoader();
        URL resource = classLoader.getResource(fileName);
        return new File(resource.getPath());
    }
}

Related

1. loadPropertiesFromFile(File parent)
2. loadTextFile(final String location)
3. loadXml()
4. locateFile(String name)
5. read(String fileName)
6. readSampleJson(String name)
7. saveProperties(Properties properties, String name)
8. scanPackage(String path)
9. searchByAttributeKey(String key)