Java Scanner Read All readTextFileAsString(File textFile)

Description

Read the entire given file and return the contents as one long String.

License

Open Source License

Parameter

Parameter	Description
textFile	a parameter

Exception

Parameter	Description
FileNotFoundException	an exception

Declaration

public static String readTextFileAsString(File textFile) throws FileNotFoundException 

Method Source Code

//package com.java2s;
/*******************************************************************************
 * Copyright (c) 2010 - 2013 Danny Katzel.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the GNU Public License v3.0
 * which accompanies this distribution, and is available at
 * http://www.gnu.org/licenses/gpl.html/*from w ww  . j a  va  2  s  .c  o  m*/
 * 
 * Contributors:
 *     Danny Katzel - initial API and implementation
 ******************************************************************************/

import java.io.File;
import java.io.FileNotFoundException;

import java.util.Scanner;

public class Main {
    /**
     * Read the entire given file and return the contents
     * as one long String.  This should only be used for small
     * text files and is not intended to be used on large files
     * or files that are not text only.
     * @param textFile
     * @return
     * @throws FileNotFoundException
     */
    public static String readTextFileAsString(File textFile) throws FileNotFoundException {
        StringBuilder outputText = new StringBuilder();
        Scanner scanner = new Scanner(textFile);
        while (scanner.hasNextLine()) {
            outputText.append(scanner.nextLine()).append(String.format("%n"));
        }
        scanner.close();
        String actualText = outputText.toString();
        return actualText;
    }
}

Related

1. readTextFile(File file)
2. readTextFile(File file)
3. readTextFile(String filename)
4. readTextFile(String path)
5. readTextFile(String path)