Java BufferedReader Read loadTwoColumnResource(InputStream resource)

Declaration

public static HashMap<String, String> loadTwoColumnResource(InputStream resource) throws IOException 

Method Source Code

//package com.java2s;
/*/* ww  w .  ja  v  a 2  s  . c  om*/
 * Copyright 2014 Elhuyar Fundazioa
    
This file is part of EliXa.
    
EliXa is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
    
EliXa 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 General Public License for more details.
    
You should have received a copy of the GNU General Public License
along with EliXa.  If not, see <http://www.gnu.org/licenses/>.
 */

import java.io.BufferedReader;

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

import java.util.HashMap;

public class Main {
    /**
     * Function reads two column file and stores the values into a HashMap<String,String> object 
     * 
     * @param resource : InputStream containing the two column resource
     * @return HashMap<String,String> contains the elements and their respective attribute values 
     * 
     * @throws IOException if the given resource has reading problems.
     */
    public static HashMap<String, String> loadTwoColumnResource(InputStream resource) throws IOException {
        HashMap<String, String> result = new HashMap<String, String>();

        BufferedReader breader = new BufferedReader(new InputStreamReader(resource));
        String line;
        while ((line = breader.readLine()) != null) {
            if (line.startsWith("#") || line.matches("^\\s*$")) {
                continue;
            }
            String[] fields = line.split("\t");
            try {
                result.put(fields[0], fields[1]);
            } catch (IndexOutOfBoundsException ioobe) {
                System.err.println("FileUtilsElh::loadTwoColumnResource - " + line);
            }
        }
        breader.close();
        return result;
    }
}

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