/**********************************************************************************
*
* $Id: PointsConverter.java 105079 2012-02-24 23:08:11Z ottenhoff@longsight.com $
*
***********************************************************************************
*
* Copyright (c) 2005, 2006, 2007, 2008 The Sakai Foundation, The MIT Corporation
*
* Licensed under the Educational Community License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.opensource.org/licenses/ECL-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
**********************************************************************************/
package org.sakaiproject.tool.gradebook.jsf;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.convert.NumberConverter;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.sakaiproject.util.ResourceLoader;
/**
* The standard JSF number formatters only round values. We generally need
* them truncated.
* This converter truncates the input value (probably a double) to two
* decimal places, and then returns it with a maximum of two decimal places.
*/
public class PointsConverter extends NumberConverter {
private static final Log log = LogFactory.getLog(PointsConverter.class);
public PointsConverter() {
setType("number");
ResourceLoader rl = new ResourceLoader();
setLocale(rl.getLocale());
}
public String getAsString(FacesContext context, UIComponent component, Object value) {
if (log.isDebugEnabled()) log.debug("getAsString(" + context + ", " + component + ", " + value + ")");
String formattedScore;
if (value == null) {
formattedScore = FacesUtil.getLocalizedString("score_null_placeholder");
} else {
if (value instanceof Number) {
// Truncate to 2 decimal places.
value = new Double(FacesUtil.getRoundDown(((Number)value).doubleValue(), 2));
}
formattedScore = super.getAsString(context, component, value);
}
return formattedScore;
}
}