Java Path File Read nio readLines(Path path, boolean ignoreComments)

Description

read Lines

License

Apache License

Declaration

public static List<String> readLines(Path path, boolean ignoreComments) throws IOException 

Method Source Code

//package com.java2s;
/*//from  ww  w  . ja va2s .  co m
 * Copyright (C) 2012-present the original author or authors.
 *
 * 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.BufferedReader;
import java.io.File;

import java.io.FileReader;
import java.io.IOException;

import java.nio.file.Path;

import java.util.ArrayList;

import java.util.List;

public class Main {
    public static List<String> readLines(Path path, boolean ignoreComments) throws IOException {
        File file = path.toFile();
        if (!file.exists() || !file.isFile()) {
            return new ArrayList<>();
        }

        List<String> lines = new ArrayList<>();

        try (BufferedReader reader = new BufferedReader(new FileReader(file))) {
            String line;
            while ((line = reader.readLine()) != null) {
                if (ignoreComments && !line.startsWith("#") && !lines.contains(line)) {
                    lines.add(line);
                }
            }
        }

        return lines;
    }
}

Related

1. readJson(Class dataClass, Path path)
2. readJsonObject(Path path, TypeReference typeReference)
3. readKeyFile(String path)
4. readLine(BufferedReader br, Path path)
5. readLineByLine(String filePath)
6. readLineS(String filePath, int line)
7. readLinesFromFile(Path path)
8. readLinesFromFileLazy(String path)
9. readLinesOfFile(String path)