Java FileReader Read All readAllLines(String filePath)

Description

Reads the contents of the specified file

License

Open Source License

Parameter

Parameter	Description
filePath	- The path of the file to read from

Exception

Parameter	Description
IOException	If there's an error while reading from the file

Return

A string array with the contents of the read file

Declaration

public static String[] readAllLines(String filePath) throws IOException 

Method Source Code

//package com.java2s;
/*******************************************************************************
 * Copyright (c) 2012 MCForge - Modified for use with Chatterbox
 * 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//  w w w  .j  av a  2 s  . co m
 ******************************************************************************/

import java.io.FileReader;

import java.io.IOException;
import java.io.LineNumberReader;

import java.util.ArrayList;

import java.util.List;

public class Main {
    /**
     * Reads the contents of the specified file
     * 
     * @param filePath
     *            - The path of the file to read from
     * 
     * @return A string array with the contents of the read file
     * @throws IOException
     *             If there's an error while reading from the file
     */
    public static String[] readAllLines(String filePath) throws IOException {
        List<String> lines = fileToStringList(filePath);
        return lines.toArray(new String[lines.size()]);
    }

    /**
     * Reads the contents of the specified file
     * 
     * @param filePath
     *            - The path of the file to read from
     * 
     * @return A string list with the contents of the read file
     * @throws IOException
     *             If there's an error while reading from the file
     */
    public static List<String> fileToStringList(String filePath) throws IOException {
        LineNumberReader reader = new LineNumberReader(new FileReader(filePath));
        List<String> lines = new ArrayList<String>();
        String line;
        while ((line = reader.readLine()) != null)
            lines.add(line);
        reader.close();
        return lines;
    }
}

Related

1. readAll(File file)
2. readAll(String path)
3. readAllKeys(String propertyFileName, String xmlFileName)