converthelp.java

来自「java编写的OCR软件」· Java 代码 · 共 101 行

package de.spieleck.config;

/**
 * Helperclass for type conversions.
 * Could be a wrapper do * org.apache.commons.beanutils.converters.
 * @author fsn
 */
public class ConvertHelp
{
    private ConvertHelp() {}

    public static boolean getBoolean(String value)
    {
        if (value == null)
            return false;
        else
            return !value.equals("false") && !value.equals("no")
                   && !value.equals("nein") && !value.equals("0");
    }

    public static boolean getBoolean(ConfigNode node, boolean deflt)
    {
        return node == null
                   ? deflt
                   : node.getBoolean();
    }

    public static int getInt(String value)
    {
        if (value == null || value.equals(""))
            return 0;
        else
        {
            try
            {
                return Integer.parseInt(value);
            }
            catch (Exception e)
            {
                return 0;
            }
        }
    }

    public static int getInt(ConfigNode node, int deflt)
    {
        return node == null
                   ? deflt
                   : node.getInt();
    }

    public static double getDouble(String value)
    {
        if (value == null)
            return 0;
        else
        {
            try
            {
                return Double.valueOf(value).doubleValue();
            }
            catch (Exception e)
            {
                return Double.NaN;
            }
        }
    }

    public static double getDouble(ConfigNode node, double deflt)
    {
        return node == null
                   ? deflt
                   : node.getDouble();
    }

    public static String getString(ConfigNode node, String deflt)
    {
        return node == null
                   ? deflt
                   : node.getString();
    }
}
//
//    Jacson - Text Filtering with Java.
//    Copyright (C) 2002 Frank S. Nestel (nestefan -at- users.sourceforge.net)
//
//    This library is free software; you can redistribute it and/or
//    modify it under the terms of the GNU Lesser General Public
//    License as published by the Free Software Foundation; either
//    version 2.1 of the License, or (at your option) any later version.
//
//    This library 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
//    Lesser General Public License for more details.
//
//    You should have received a copy of the GNU Lesser General Public
//    License along with this library; if not, write to the Free Software
//    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
//