Java File to Reader openReader(String fname)

Description

open Reader

License

Open Source License

Declaration

public static BufferedReader openReader(String fname) throws IOException 

Method Source Code

//package com.java2s;
/**//w  ww. j  a  va2  s. c om
 * This software is released under the University of Illinois/Research and Academic Use License. See
 * the LICENSE file in the root folder for details. Copyright (c) 2016
 *
 * Developed by: The Cognitive Computation Group University of Illinois at Urbana-Champaign
 * http://cogcomp.cs.illinois.edu/
 */

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

public class Main {
    public static BufferedReader openReader(String fname) throws IOException {
        BufferedReader reader;

        InputStream is = ClassLoader.getSystemResourceAsStream(fname);

        if (is == null) {
            // try with a leading slash
            is = ClassLoader.getSystemResourceAsStream("/" + fname);

            if (is == null)
                is = new FileInputStream(fname);

        }

        reader = new BufferedReader(new InputStreamReader(is, "UTF-8"));
        return reader;

    }
}

Related

1. openReader(File file)
2. openReader(final String file, String charset)
3. openReader(String dir, String filename, String encoding)
4. openReader(String file)
5. openReader(String filePath)