JPAComponentConfiguration.java

package org.codehaus.mojo.hibernate3.configuration;

import org.hibernate.cfg.Configuration;
import org.hibernate.ejb.Ejb3Configuration;
import org.hibernate.ejb.HibernatePersistence;
import org.hibernate.HibernateException;

import java.util.HashMap;
import java.util.Map;

public class JPAComponentConfiguration
    extends AbstractComponentConfiguration
{
// --------------------- Interface ComponentConfiguration ---------------------

    public String getName()
    {
        return "jpaconfiguration";
    }

    protected Configuration createConfiguration()
    {
        String persistenceUnit = getExporterMojo().getComponentProperty( "persistenceunit" );

        try
        {
            Ejb3Configuration ejb3cfg = new Ejb3Configuration();
            if ( ejb3cfg.configure( persistenceUnit, getMappedProperties() ) == null )
            {
                getExporterMojo().getLog().error( "Persistence unit not found: '" + persistenceUnit + "'." );
                return null;
            }
            return ejb3cfg.getHibernateConfiguration();
        }
        catch ( HibernateException he )
        {
            getExporterMojo().getLog().error( he.getMessage() );
            return null;
        }
    }

    private Map<String,String> getMappedProperties()
    {
        Map<String,String> map = new HashMap<String,String>();

        String namingStrategy = getExporterMojo().getComponentProperty( "namingstrategy" );
        if ( namingStrategy != null )
        {
            map.put( HibernatePersistence.NAMING_STRATEGY, namingStrategy );
        }

        return map;
    }
}