PropertyFilter.java

/*
 * GovWay - A customizable API Gateway 
 * https://govway.org
 * 
 * Copyright (c) 2005-2025 Link.it srl (https://link.it). 
 * 
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 3, as published by
 * the Free Software Foundation.
 *
 * This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */


package org.openspcoop2.utils.serialization;

/** 
 * Contiene classe per effettuare un filtro JSON
 *
 * @author Poli Andrea (apoli@link.it)
 * @author $Author$
 * @version $Rev$, $Date$
 */

public class PropertyFilter implements net.sf.json.util.PropertyFilter{

    
    private PropertyFilterCore core;
    
    public PropertyFilter(Filter filter,IDBuilder idBuilder,ISerializer serializer){
        this.core = new PropertyFilterCore(filter, idBuilder, serializer);
    }
    public PropertyFilter(Filter filter,ISerializer serializer){
        this.core = new PropertyFilterCore(filter, serializer);
    }
    
    @Override
    public boolean apply( Object source, String name, Object value ) {  
        
        if(this.core.getFilter()!=null) {
            // Filtri per valore
            if(value!=null){
                for(int i=0; i<this.core.getFilter().sizeFiltersByValue(); i++){
                    Class<?> classFilter = this.core.getFilter().getFilterByValue(i);
                    if(value.getClass().isAssignableFrom(classFilter)){
                        this.core.applicaFiltro(source, name, value, classFilter);  
                        return true; 
                    }
                }
            }
            
            
            // Filtri per nome field
            String nomeField = source.getClass().getName()+"."+name;
            for(int i=0; i<this.core.getFilter().sizeFiltersByName(); i++){
                String filterName = this.core.getFilter().getFilterByName(i);
                if(nomeField.equals(filterName)){           
                    if(value!=null){
                        this.core.applicaFiltro(source, name, value, value.getClass());
                        return true; 
                    }
                }
            }
        }
        
        return (value == null); // questa riga e' l'implementazione del NullPropertyFilter
    }  
}