/**
 *
 * Copyright (c) 2014, the Railo Company Ltd. All rights reserved.
 *
 * 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, see <http://www.gnu.org/licenses/>.
 * 
 **/
package lucee.runtime.interpreter.ref.literal;

import lucee.runtime.PageContext;
import lucee.runtime.exp.PageException;
import lucee.runtime.interpreter.ref.Ref;
import lucee.runtime.interpreter.ref.RefSupport;
import lucee.runtime.interpreter.ref.util.RefUtil;
import lucee.runtime.op.Caster;

/**
 * constructor of the class
 */
public final class LBoolean extends RefSupport implements Literal {

    /**
     * Field <code>TRUE</code>
     */
    public static final Ref TRUE = new LBoolean(Boolean.TRUE);
    /**
     * Field <code>FALSE</code>
     */
    public static final Ref FALSE = new LBoolean(Boolean.FALSE);
    
    private Boolean literal;

	/**
	 * constructor with Boolean
	 * @param literal
	 */
	public LBoolean(Boolean literal) {
		this.literal=literal;
	}
	
	/**
	 * constructor with boolean
	 * @param b
	 */
	public LBoolean(boolean b) {
		this.literal=b?Boolean.TRUE:Boolean.FALSE;
	}
	
    /**
	 * constructor with boolean
	 * @param str
	 * @throws PageException 
	 */
	public LBoolean(String str) throws PageException {
		this.literal=Caster.toBoolean(str);
	}
	
	
	@Override
	public Object getValue(PageContext pc) {
		return literal;
	}

	@Override
    public String getTypeName() {
		return "literal";
	}

	@Override
    public String getString(PageContext pc) {
        return toString();
    }

	@Override
    public String toString() {
        return Caster.toString(literal.booleanValue()); 
    }

    @Override
	public boolean eeq(PageContext pc,Ref other) throws PageException {
		if(other instanceof LNumber){
			return literal.booleanValue()==((LBoolean)other).literal.booleanValue();
		}
		return RefUtil.eeq(pc,this,other);
	}

}