/*
* Copyright (C) 2005 Luca Veltri - University of Parma - Italy
*
* This file is part of MjSip (http://www.mjsip.org)
*
* MjSip 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.
*
* MjSip 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 MjSip; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Author(s):
* Luca Veltri (luca.veltri@unipr.it)
*/
package org.zoolu.tools;
import java.io.*;
/** Configure helps the loading and saving of configuration data.
*/
public class Configure
{
/** String 'NONE' used as undefined value (i.e. null). */
public static String NONE="NONE";
/** The object that should be configured */
Configurable configurable;
/** Parses a single text line (read from the config file) */
protected void parseLine(String line)
{ // parse the text line..
}
/** Converts the entire object into lines (to be saved into the config file) */
protected String toLines()
{ // convert the object into to one or more text line..
return "";
}
/** Costructs a Configure container */
protected Configure()
{ this.configurable=null;
}
/** Costructs a Configure container */
public Configure(Configurable configurable, String file)
{ this.configurable=configurable;
loadFile(file);
}
/** Loads Configure attributes from the specified <i>file</i> */
protected void loadFile(String file)
{ //System.out.println("DEBUG: loading Configuration");
if (file==null)
{ //System.out.println("DEBUG: no Configuration file");
return;
}
//else
BufferedReader in=null;
try
{ in=new BufferedReader(new FileReader(file));
while (true)
{ String line=null;
try { line=in.readLine(); } catch (Exception e) { e.printStackTrace(); System.exit(0); }
if (line==null) break;
if (!line.startsWith("#"))
{ if (configurable==null) parseLine(line); else configurable.parseLine(line);
}
}
in.close();
}
catch (Exception e)
{ System.err.println("WARNING: error reading file \""+file+"\"");
//System.exit(0);
return;
}
//System.out.println("DEBUG: loading Configuration: done.");
}
/** Saves Configure attributes on the specified <i>file</i> */
protected void saveFile(String file)
{ if (file==null) return;
//else
try
{ BufferedWriter out=new BufferedWriter(new FileWriter(file));
out.write(toLines());
out.close();
}
catch (IOException e)
{ System.err.println("ERROR writing on file \""+file+"\"");
}
}
}