/*
* The Kuali Financial System, a comprehensive financial management system for higher education.
*
* Copyright 2005-2014 The Kuali Foundation
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.kuali.kfs.sys.document.service.impl;
import java.util.Map;
import org.kuali.kfs.sys.businessobject.AccountingLine;
import org.kuali.kfs.sys.document.service.AccountingLineFieldRenderingTransformation;
import org.kuali.rice.kns.datadictionary.MaintainableFieldDefinition;
import org.kuali.rice.kns.web.ui.Field;
import org.kuali.rice.krad.valuefinder.ValueFinder;
/**
* A field transformer that populates a field with its default value
*/
public class DefaultValuePopulationAccountingLineFieldRenderingTransformationImpl implements AccountingLineFieldRenderingTransformation {
/**
* Using the data dictionary definition for the field, determines what the default value for this field would be should there be a default value defined;
* note that this value may be wiped out by the value from the business object during that transformation (which presumably happends after this one)
* @see org.kuali.kfs.sys.document.service.AccountingLineFieldRenderingTransformation#transformField(org.kuali.kfs.sys.document.web.AccountingLineViewField)
*/
public void transformField(AccountingLine accountingLine, Field field, MaintainableFieldDefinition fieldDefinition, Map unconvertedValues) {
populateFieldWithDefault(field, fieldDefinition);
}
/**
* Populates a maintenance field with its default value
* @param field the field to populate with a default value
* @param fieldDefinition the data dictionary definition of the field to transform
*
* KRAD Conversion: Performs the customization of the field properties
*/
protected void populateFieldWithDefault(Field field, MaintainableFieldDefinition fieldDefinition) {
try {
Class defaultValueFinderClass = fieldDefinition.getDefaultValueFinderClass();
if (defaultValueFinderClass != null) {
field.setPropertyValue(((ValueFinder) defaultValueFinderClass.newInstance()).getValue());
}
}
catch (InstantiationException ie) {
throw new RuntimeException("Default Value Finder Class "+fieldDefinition.getDefaultValueFinderClass().getName()+" for property "+field.getPropertyName()+" could not be instantiated");
}
catch (IllegalAccessException e) {
throw new RuntimeException("Default Value Finder Class "+fieldDefinition.getDefaultValueFinderClass().getName()+" for property "+field.getPropertyName()+" was accessed illegally");
}
}
}