parametertypestring.java

来自「著名的开源仿真软件yale」· Java 代码 · 共 68 行

/*
 *  YALE - Yet Another Learning Environment
 *  Copyright (C) 2002, 2003
 *      Simon Fischer, Ralf Klinkenberg, Ingo Mierswa, 
 *          Katharina Morik, Oliver Ritthoff
 *      Artificial Intelligence Unit
 *      Computer Science Department
 *      University of Dortmund
 *      44221 Dortmund,  Germany
 *  email: [e-mail]
 *  web:   http://yale.cs.uni-dortmund.de/
 *
 *  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., 59 Temple Place, Suite 330, Boston, MA 02111-1307
 *  USA.
 */
package edu.udo.cs.yale.operator.parameter;

public class ParameterTypeString extends ParameterTypeSingle {

    private String defaultValue = null;
    private boolean optional = false;

    public ParameterTypeString(String key, String description, boolean optional) {
	super(key, description);
	this.defaultValue = null;
	this.optional = optional;
    }

    public ParameterTypeString(String key, String description) {
	this(key, description, true);
    }

    public ParameterTypeString(String key, String description, String defaultValue) {
	super(key, description);
	this.defaultValue = defaultValue;
    }

    public void setOptional(boolean optional) {
	this.optional = optional;	
    }

    public boolean isOptional() { return optional; }

    public String getDefault() { return defaultValue; }

    public Object getDefaultValue() { return defaultValue; }

    public Object checkValue(Object value) {
	return ((String)value).trim();
    }

    public String getRange() {
	return "string"+((defaultValue != null) ? ("; default: '"+defaultValue+"'") : "");
    }
}