read file To String - Java File Path IO

Java examples for File Path IO:Text File

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Description

read file To String

Demo Code


//package com.java2s;
import java.io.*;
import java.nio.charset.Charset;

public class Main {
    public static void main(String[] argv) throws Exception {
        String fileName = "java2s.com";
        System.out.println(fileToString(fileName));
    }//from  w  w  w . ja va 2 s. c  o m

    public static String fileToString(String fileName) {
        File file = new File(fileName);
        InputStream in = null;
        try {
            in = new FileInputStream(file);
        } catch (FileNotFoundException fnfe) {
            System.out.println("File not found: " + fileName);
        }
        byte[] b = new byte[(int) file.length()];
        int len = b.length;
        int total = 0;
        int result = 0;
        while (total < len) {
            try {
                result = in.read(b, total, len - total);
            } catch (IOException ioe) {
                System.out.println("Unable to read from file");
            }
            if (result == -1) {
                break;
            }
            total += result;
        }

        return new String(b, Charset.forName("UTF-8"));
    }
}

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