EDIT

// $Id: InitializedHibernatePropertyFilter.java 5473 2009-03-25 13:42:07Z a.kohlbecker $

/**

 * Copyright (C) 2007 EDIT

 * European Distributed Institute of Taxonomy

 * http://www.e-taxonomy.eu

 *

 * The contents of this file are subject to the Mozilla Public License Version 1.1

 * See LICENSE.TXT at the top of this package for the full license terms.

 */

package eu.etaxonomy.cdm.remote.json.util;

import java.util.Collection;

import java.util.HashSet;

import java.util.Map;

import java.util.Set;

import net.sf.json.util.PropertyFilter;

import org.apache.log4j.Logger;

import eu.etaxonomy.cdm.model.common.CdmBase;

public class CardinalityPropertyFilter implements PropertyFilter {

    private static final Logger logger = Logger.getLogger(CardinalityPropertyFilter.class);

    boolean includeToOneRelations = true;

    boolean includeToManyRelations = true;

    Set<String> exceptions = new HashSet<String>();

    public void setExceptions(Set<String> exceptions) {

        this.exceptions = exceptions;

    }

    public void setIncludeToOneRelations(boolean includeToOneRelations) {

        this.includeToOneRelations = includeToOneRelations;

    }

    public void setIncludeToManyRelations(boolean includeToManyRelations) {

        this.includeToManyRelations = includeToManyRelations;

    }

    /* (non-Javadoc)

     * @see net.sf.json.util.PropertyFilter#apply(java.lang.Object, java.lang.String, java.lang.Object)

     */

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

        Class<?> valueType;

        if(value == null){

            valueType = org.springframework.beans.BeanUtils.findPropertyType(name, new Class[] {source.getClass()});

            if(valueType == null){

                // something went wrong, so better include the property

                return false;

            }

        } else {

            valueType = value.getClass();

        }

        if(CdmBase.class.isAssignableFrom(valueType)){

            if(!includeToOneRelations

                    && !exceptions.contains(source.getClass().getSimpleName() + "." + name)){

                return true;

            }

        } else if(Collection.class.isAssignableFrom(valueType) || Map.class.isAssignableFrom(valueType)){

            if(!includeToManyRelations

                    && !exceptions.contains(source.getClass().getSimpleName() + "." + name)

                    && CdmBase.class.isAssignableFrom(source.getClass())){

                return true;

            }

        }

        return false;

    }

}