Java File Read by Charset loadFile(File file, Charset cs)

Description

Load a file with a given charset into a buffer

License

Open Source License

Parameter

Parameter	Description
file	a parameter
cs	a parameter

Exception

Parameter	Description
IOException	an exception

Declaration

public static String loadFile(File file, Charset cs) throws IOException 

Method Source Code

//package com.java2s;
/** (C) Copyright 2005 Hewlett-Packard Development Company, LP
    //from ww w .  j a  v a 2s  .c o m
 This library is free software; you can redistribute it and/or
 modify it under the terms of the GNU Lesser General Public
 License as published by the Free Software Foundation; either
 version 2.1 of the License, or (at your option) any later version.
    
 This library is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 Lesser General Public License for more details.
    
 You should have received a copy of the GNU Lesser General Public
 License along with this library; if not, write to the Free Software
 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
    
 For more information: www.smartfrog.org
    
 */

import java.io.BufferedInputStream;

import java.io.Closeable;
import java.io.File;
import java.io.FileInputStream;

import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;

import java.io.StringWriter;

import java.nio.charset.Charset;

public class Main {
    /**
     * Load a file with a given charset into a buffer
     * @param file
     * @param cs
     * @return
     * @throws IOException
     */
    public static String loadFile(File file, Charset cs) throws IOException {
        InputStream in;
        in = new FileInputStream(file);
        return loadInputStream(in, cs);
    }

    /**
     * Load an input stream
     * @param in
     * @param cs
     * @return
     * @throws IOException
     */
    public static String loadInputStream(InputStream in, Charset cs) throws IOException {
        BufferedInputStream buffIn = null;
        InputStreamReader reader = null;
        try {
            buffIn = new BufferedInputStream(in);
            reader = new InputStreamReader(buffIn, cs);
            StringWriter dest = new StringWriter();
            int ch;
            while ((ch = reader.read()) >= 0) {
                dest.write(ch);
            }
            return dest.toString();
        } finally {
            close(reader);
        }
    }

    /**
     * Close any open stream; ignore any errors.
     * @param stream
     */
    public static void close(Closeable stream) {
        try {
            if (stream != null) {
                stream.close();
            }
        } catch (IOException e) {
            //ignore
        }
    }
}

Related

1. getString(File file, Charset charset)
2. getUncommentedLines(File file, Charset forName)
3. getZipFile(File src, Charset charset)
4. isEqual(final File document, final Charset a, final Charset b)
5. load(File file, Charset charset)
6. loadFile(File logfile, Charset charset)
7. loadString(File f, Charset charset)
8. open(File file, Charset charset)
9. parseNameDelimiterValueNewLineFile( File nameDelimiterValueNewLineFile, String nameValueDelimiter, Charset charset)