Java File Content Read getFileContents(final File f)

Description

get File Contents

License

Open Source License

Declaration

public static String getFileContents(final File f) throws IOException 

Method Source Code

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

import java.io.File;
import java.io.IOException;

import java.util.NoSuchElementException;

import java.util.Scanner;

public class Main {
    private static final String DEFAULT_ENCODING = "UTF-8";

    public static String getFileContents(final File f) throws IOException {
        return getFileContents(f, DEFAULT_ENCODING);
    }//  ww w .  ja v a 2s  .  co m

    public static String getFileContents(final File f, final String enc) throws IOException {
        String content;
        try (Scanner scanner = new Scanner(f, enc).useDelimiter("\\Z")) {
            content = getScannerContents(scanner);
        } catch (NoSuchElementException | IllegalStateException e) {
            throw e;
        }
        return content;
    }

    public static String getScannerContents(final Scanner scanner) throws IllegalArgumentException {
        String content;
        if (scanner.hasNext()) { // will be false if file size == 0
            content = scanner.next();
        } else {
            content = "";
        }
        return content;
    }
}

Related

1. getFileContents(File f)
2. getFileContents(File file)
3. getFileContents(File file)
4. getFileContents(File methodPatch)
5. getFileContents(File testFile)
6. getFileContents(final File file)
7. getFileContents(String filename)
8. getFileContents(String fileName)