Java BufferedReader Read readFile(String file, Boolean deleteOnExit)

Description

read File

License

Open Source License

Declaration

public static String readFile(String file, Boolean deleteOnExit) 

Method Source Code

//package com.java2s;
//License from project: Open Source License 

import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;

import java.util.function.BiFunction;

public class Main {
    private static BiFunction<String, Boolean, String> fileReader = (file, deleteOnExit) -> {
        if (file == null) {
            return null;
        }/*from   ww w .  j  a  v a 2  s.  c  o m*/

        File rerunFile = new File(file);

        if (deleteOnExit) {
            rerunFile.deleteOnExit();
        }

        FileReader fileReader = null;
        BufferedReader bufferedReader = null;
        try {
            fileReader = new FileReader(rerunFile);
            bufferedReader = new BufferedReader(fileReader);

            StringBuilder fileContents = new StringBuilder();
            bufferedReader.lines().forEach(fileContents::append);
            return fileContents.toString();
        } catch (Exception ignored) {
            return null;
        } finally {
            try {
                if (fileReader != null)
                    fileReader.close();

                if (bufferedReader != null)
                    bufferedReader.close();
            } catch (Exception ignored) {
            }
        }
    };

    public static String readFile(String file, Boolean deleteOnExit) {
        return fileReader.apply(file, deleteOnExit);
    }
}

Related

1. readFile(String file)
2. readFile(String file)
3. readFile(String file)
4. readFile(String file)
5. readFile(String file)
6. readFile(String fileDir)
7. readFile(String filename)
8. readFile(String filename)
9. readfile(String filename)