package org.kuali.student.common.ui.server.screenreport.jasper;

 import java.util.Collection;

 import net.sf.jasperreports.engine.JRException;

 import net.sf.jasperreports.engine.JRField;

 import net.sf.jasperreports.engine.data.JRBeanCollectionDataSource;

 /**

  * 

  * This class overwrites the common JRBeanCollectionDataSource in order

  * to return a JRDataSource to be used on the subreport when the field is

  * called "subset". 

  * 

  * @author Kuali Rice Team (kuali-rice@googlegroups.com)

  *

  */

 public class KSCollectionDataSource extends JRBeanCollectionDataSource {

     public KSCollectionDataSource(Collection beanCollection) {

         super(beanCollection);

     }

     protected Object getFieldValue(Object bean, JRField field) throws JRException {

         Object object = getBeanProperty(bean, getPropertyName(field));

         if ("subset".equals(field.getName())) {

             return new KSCollectionDataSource((Collection) object);

         }

         return object;

     }

 }