Java Path File Read nio loadFile(final Path filePath)

Description

load File

License

Apache License

Declaration

public static String loadFile(final Path filePath) throws IOException 

Method Source Code

//package com.java2s;
/*/* www .j a v  a  2s .  co m*/
 * Copyright 2014 Florian Vogelpohl <floriantobias@gmail.com>.
 *
 * 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.IOException;
import java.nio.charset.StandardCharsets;
import java.nio.file.Path;

import java.util.Scanner;

public class Main {
    public static String loadFile(final Path filePath) throws IOException {
        if (!isExists(filePath) || !isFile(filePath)) {
            throw new IllegalArgumentException("The given path doesn't point to an existing file");
        }

        StringBuilder strBuilder = new StringBuilder();
        try (Scanner scanner = new Scanner(filePath, StandardCharsets.UTF_8.name())) {
            while (scanner.hasNextLine()) {
                strBuilder.append(scanner.nextLine());
                strBuilder.append('\n');
            }
        }

        return strBuilder.toString();
    }

    public static Boolean isExists(final Path path) {
        return path.toFile().exists();
    }

    public static Boolean isFile(final Path path) {
        return path.toFile().isFile();
    }
}

Related

1. checkReadableDirectory(final Path directory)
2. getReaderForFile(final Path file)
3. getResourceAsStream(String resourcePath, ClassLoader classLoader, Class clazz, String resourceDesc, Consumer logger)
4. getTestClassPathURLClassLoader(ClassLoader parent)
5. load(Path p, PrintStream errorStream, String propertyInfo)
6. loadFile(final Path p)
7. loadFile(Path file)
8. loadFile(String path)
9. loadFromFile(Path path)