dz.alkhwarizmix.framework.java.EntityInterceptor.java Source code

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Here is the source code for dz.alkhwarizmix.framework.java.EntityInterceptor.java

Source

////////////////////////////////////////////////////////////////////////////////
//     
//
//   ?    ?  (Copyright 2013 Fares Belhaouas)
//  ?  ? (All Rights Reserved)
//
//  NOTICE: Fares Belhaouas permits you to use, modify, and distribute this file
//  in accordance with the terms of the license agreement accompanying it.
//
////////////////////////////////////////////////////////////////////////////////

package dz.alkhwarizmix.framework.java;

import java.io.Serializable;
import java.util.Date;

import org.hibernate.EmptyInterceptor;
import org.hibernate.type.DateType;
import org.hibernate.type.TimestampType;
import org.hibernate.type.Type;
import org.springframework.stereotype.Component;

/**
 * <p>
 * TODO: Javadoc
 * </p>
 *
 * @author ?  (Fares Belhaouas)
 * @since     (October 01, 2013)
 */
@Component
public class EntityInterceptor extends EmptyInterceptor {

    private static final long serialVersionUID = 4574510715964636804L;

    // TODO: Add tests on this class!!
    @Override
    public boolean onSave(final Object entity, final Serializable id, final Object[] state,
            final String[] propertyNames, final Type[] types) {
        return prePersist(state, propertyNames, types);
    }

    @Override
    public boolean onFlushDirty(final Object entity, final Serializable id, final Object[] currentState,
            final Object[] previousState, final String[] propertyNames, final Type[] types) {
        return prePersist(currentState, propertyNames, types);
    }

    /**
     * update the modified date of entities
     *
     * @param currentState
     *            {@link Object} the entity properties values
     * @param propertyNames
     *            {@link String} the entity properties names
     * @param types
     *            {@link Type} the entity property types
     * @return {@link Boolean}
     */
    private boolean prePersist(final Object[] currentState, final String[] propertyNames, final Type[] types) {
        for (int i = 0; i < propertyNames.length; i++)
            if ("modified".equals(propertyNames[i])
                    && ((types[i] instanceof TimestampType) || (types[i] instanceof DateType))) {
                currentState[i] = new Date();
                return true;
            }
        return false;
    }

} // Class