Java BufferedReader Read readFile(File in)

Description

Reads a file and converts it to a String via a byte array and inputStream.available() I'm not positive that inputStream.available() works the same under multi-threading

License

Open Source License

Parameter

Parameter	Description
in	- File object to read - should be character data

Return

String a string version of the data

Declaration

public static String readFile(File in) throws IOException

Method Source Code


//package com.java2s;
import java.io.*;

public class Main {
    /**/* w w  w . j a  v  a2s.com*/
     * Reads a file and converts it to a String via a byte array and inputStream.available()
     * I'm not positive that inputStream.available() works the same under multi-threading
     * @param in - File object to read - should be character data
     * @return String a string version of the data
     */
    public static String readFile(File in) throws IOException {
        /*
        InputStream inputStream = new FileInputStream(in);
        byte[] bytes = new byte[inputStream.available()];
        inputStream.read(bytes);
        inputStream.close();
        return new String(bytes);
         */

        //Richard's implementation, this may be more thread safe than using inputStream.available()
        String line = null;
        StringBuffer content = new StringBuffer("");
        //if (debug) System.out.println("Reading " + in);
        try {
            BufferedReader bReader = new BufferedReader(new FileReader(in));
            while ((line = bReader.readLine()) != null)
                content.append(line + "\n");
            bReader.close();
        } catch (IOException ioe) {
            System.err.println("Error reading " + in + ": " + ioe);
        }
        return content.toString();
    }
}