/*

  * Copyright 2002-2009 the original author or authors.

  *

  * Licensed 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 net.sf.json.filters;

 import net.sf.json.util.PropertyFilter;

 /**

  * @author Andres Almiray <aalmiray@users.sourceforge.net>

  */

 public class NotPropertyFilter implements PropertyFilter {

    private PropertyFilter filter;

    public NotPropertyFilter( PropertyFilter filter ) {

       this.filter = filter;

    }

    public boolean apply( Object source, String name, Object value ) {

       if( filter != null ){

          return !filter.apply( source, name, value );

       }

       return false;

    }

 }