
/* ====================================================================
   Licensed to the Apache Software Foundation (ASF) under one or more
   contributor license agreements.  See the NOTICE file distributed with
   this work for additional information regarding copyright ownership.
   The ASF licenses this file to You under the Apache License, Version 2.0
   (the "License"); you may not use this file except in compliance with
   the License.  You may obtain a copy of the License at

       http://www.apache.org/licenses/LICENSE-2.0

   Unless required by applicable law or agreed to in writing, software
   distributed under the License is distributed on an "AS IS" BASIS,
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   See the License for the specific language governing permissions and
   limitations under the License.
==================================================================== */

package org.apache.poi.ddf;

/**
 * Represents a boolean property.  The actual utility of this property is in doubt because many
 * of the properties marked as boolean seem to actually contain special values.  In other words
 * they're not true booleans.
 *
 * @see EscherSimpleProperty
 * @see EscherProperty
 */
public class EscherBoolProperty
        extends EscherSimpleProperty
{
    /**
     * Create an instance of an escher boolean property.
     *
     * @param propertyNumber The property number (or id)
     * @param value      The 32 bit value of this bool property
     */
    public EscherBoolProperty( short propertyNumber, int value )
    {
        super(propertyNumber, value);
    }


    /**
     * Create an instance of an escher boolean property.
     *
     * @param propertyType The property type
     * @param value      The 32 bit value of this bool property
     */
    public EscherBoolProperty( EscherPropertyTypes propertyType, int value )
    {
        super(propertyType.propNumber, value);
    }

    /**
     * Whether this boolean property is true
     * 
     * @return the boolean property value
     */
    public boolean isTrue()
    {
        return getPropertyValue() != 0;
    }
}