001/**
002 *
003 * Copyright (c) 2014, the Railo Company Ltd. All rights reserved.
004 *
005 * This library is free software; you can redistribute it and/or
006 * modify it under the terms of the GNU Lesser General Public
007 * License as published by the Free Software Foundation; either 
008 * version 2.1 of the License, or (at your option) any later version.
009 * 
010 * This library is distributed in the hope that it will be useful,
011 * but WITHOUT ANY WARRANTY; without even the implied warranty of
012 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
013 * Lesser General Public License for more details.
014 * 
015 * You should have received a copy of the GNU Lesser General Public 
016 * License along with this library.  If not, see <http://www.gnu.org/licenses/>.
017 * 
018 **/
019package lucee.runtime.interpreter.ref.literal;
020
021import lucee.runtime.PageContext;
022import lucee.runtime.exp.PageException;
023import lucee.runtime.interpreter.ref.Ref;
024import lucee.runtime.interpreter.ref.RefSupport;
025import lucee.runtime.interpreter.ref.util.RefUtil;
026import lucee.runtime.op.Caster;
027
028/**
029 * constructor of the class
030 */
031public final class LBoolean extends RefSupport implements Literal {
032
033    /**
034     * Field <code>TRUE</code>
035     */
036    public static final Ref TRUE = new LBoolean(Boolean.TRUE);
037    /**
038     * Field <code>FALSE</code>
039     */
040    public static final Ref FALSE = new LBoolean(Boolean.FALSE);
041    
042    private Boolean literal;
043
044        /**
045         * constructor with Boolean
046         * @param literal
047         */
048        public LBoolean(Boolean literal) {
049                this.literal=literal;
050        }
051        
052        /**
053         * constructor with boolean
054         * @param b
055         */
056        public LBoolean(boolean b) {
057                this.literal=b?Boolean.TRUE:Boolean.FALSE;
058        }
059        
060    /**
061         * constructor with boolean
062         * @param str
063         * @throws PageException 
064         */
065        public LBoolean(String str) throws PageException {
066                this.literal=Caster.toBoolean(str);
067        }
068        
069        
070        @Override
071        public Object getValue(PageContext pc) {
072                return literal;
073        }
074
075        @Override
076    public String getTypeName() {
077                return "literal";
078        }
079
080        @Override
081    public String getString(PageContext pc) {
082        return toString();
083    }
084
085        @Override
086    public String toString() {
087        return Caster.toString(literal.booleanValue()); 
088    }
089
090    @Override
091        public boolean eeq(PageContext pc,Ref other) throws PageException {
092                if(other instanceof LNumber){
093                        return literal.booleanValue()==((LBoolean)other).literal.booleanValue();
094                }
095                return RefUtil.eeq(pc,this,other);
096        }
097
098}