MMBuilderUtils.java

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/*
 *   DENOPTIM
 *   Copyright (C) 2019 Vishwesh Venkatraman <vishwesh.venkatraman@ntnu.no> and
 *   Marco Foscato <marco.foscato@uib.no>
 * 
 *   This program is free software: you can redistribute it and/or modify
 *   it under the terms of the GNU Affero General Public License as published
 *   by the Free Software Foundation, either version 3 of the License, or
 *   (at your option) any later version.
 *
 *   This program 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 Affero General Public License for more details.
 *
 *   You should have received a copy of the GNU Affero General Public License
 *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
package denoptim.molecularmodeling;
 
import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
import java.util.ArrayList;
 
import denoptim.exception.DENOPTIMException;
 
 
public class MMBuilderUtils 
{   
    
//------------------------------------------------------------------------------
 
    public static void readKeyFileParams(String filename, ArrayList<String> data)
            throws DENOPTIMException
    {
        BufferedReader br = null;
        String line;
 
        try
        {
            br = new BufferedReader(new FileReader(filename));
            while ((line = br.readLine()) != null)
            {
                line = line.trim();
                data.add(line);
            }
        }
        catch (IOException nfe)
        {
            throw new DENOPTIMException(nfe);
        }
        finally
        {
            try
            {
                if (br != null)
                {
                    br.close();
                }
            }
            catch (IOException ioe)
            {
                throw new DENOPTIMException(ioe);
            }
        }
 
        if (data.isEmpty())
        {
            String msg = "No data found in file: " + filename;
            throw new DENOPTIMException(msg);
        }
    }
 
//------------------------------------------------------------------------------
 
    public static int countLinesWKeywordInFile(String filename, String keyword)
                                 throws DENOPTIMException
    {
 
        BufferedReader br = null;
        String line;
 
        try
        {
            int count = 0;
            br = new BufferedReader(new FileReader(filename));
 
            while ((line = br.readLine()) != null)
            {
                if (line.startsWith(keyword))
                {
                    count++;
                }
            }
            return count;
        }
        catch (IOException ioe)
        {
            throw new DENOPTIMException(ioe);
        }
        finally
        {
            try
            {
                if (br != null)
                {
                    br.close();
                }
            }
            catch (IOException ioe)
            {
                throw new DENOPTIMException(ioe);
            }
        }
    }   
 
//------------------------------------------------------------------------------   
}