Setting.java

/**
Copyright 2008, 2009 Mark Hooijkaas

This file is part of the RelayConnector framework.

The RelayConnector framework 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 3 of the License, or
(at your option) any later version.

The RelayConnector framework 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 the RelayConnector framework.  If not, see <http://www.gnu.org/licenses/>.
 */

package org.kisst.cfg4j;

import org.kisst.props4j.Props;



public class Setting {
	protected final CompositeSetting parent;
	protected final String fullName;
	protected final String name;
	private final boolean required;

	public Setting(CompositeSetting parent, String name) {
		this(parent,name,false);  
	}

	public Setting(CompositeSetting parent, String name, boolean required) {
		this.parent=parent;
		this.name=name;
		if (parent==null)
			this.required=required;
		else
			this.required= required && !parent.hasDefaultSpecification(this);
		if(parent==null) 
			fullName=name;
		else {
			parent.add(this);
			if (parent.fullName==null)
				fullName=name;
			else
				fullName=parent.fullName+"."+name;
		}
	}

	public String getName() { return name; }
	public String getFullName() { return fullName; }
	public CompositeSetting getParent() { return parent; }

	public boolean exists(Props props) {
		return props.get(fullName,null)!=null;
	}

	public boolean isRequired() { return required; }
	
	public String toString() {
		return this.getClass().getSimpleName()+"("+fullName+")";
	}
}