commandlinesolver.java

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/**    
  * Copyright (C) 2006, Laboratorio di Valutazione delle Prestazioni - Politecnico di Milano

  * This program 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 2 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 General Public License for more details.

  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  */
  
package jmt.analytical;

import jmt.gui.exact.link.SolverDispatcher;

import java.io.File;

/**
 *
 * This class allows to solve a model contained in a ".xml" File from command line,
 * without using the graphic user interface of Java Modelling Tools.<br>
 * The model is validated and solved.
 *
 * @author Stefano Omini
 * @version 16-lug-2004
 */
public class CommandLineSolver {


    private SolverDispatcher solver = null;
    /** the extension of files which contain the models */
    public static final String MODEL_EXTENSION = ".xml";


    /**
     * Initializes the command line solver.
     */
    public CommandLineSolver() {
        solver = new SolverDispatcher();
    }

    /**
     * Solves the model contained in the file. The results are saved into the file itself.
     * @param file the XML file containing the model
     * @return true if the model has been correctly solved
     */
    public boolean solve(File file) {
        if (!(file.getName().toLowerCase().endsWith(MODEL_EXTENSION))) {
            //the passed file is not a xml file
            System.out.println("error: only " + MODEL_EXTENSION + " files are allowed...");
            return false;
        }
        try{
            //solves the model
            solver.solve(file);
            }
        catch (Exception e) {
            e.printStackTrace();
            System.out.println("Error in solving the model...");
            return false;
        }
        return true;

    }

    /**
     * Solves the model contained in the file specified using its path.
     * The results are saved into the file itself.
     * @param path the path of the XML file containing the model
     */
    public boolean solve(String path) {
        File file;
        try {
            file = new File(path);
        }
        catch (Exception e) {
            System.out.println("Error: file not found...");
            return false;
        }
        return solve(file);
    }

    /**
     * Used only for TESTING and DEBUGGING.
     */
    public static void test1() {
        CommandLineSolver solver = new CommandLineSolver();
        String path = "D:\\prova.xml";
        File file = new File(path);
        solver.solve(file);
    }


    
}