/*
* JBoss, Home of Professional Open Source
* Copyright 2010-2016, Red Hat, Inc. and individual contributors
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.richfaces.tests.metamer.converter;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.convert.Converter;
import javax.faces.convert.FacesConverter;
/**
* Converter used for converting empty strings to null.
*
* @author <a href="mailto:ppitonak@redhat.com">Pavol Pitonak</a>
* @version $Revision: 22493 $
*/
@FacesConverter(value = "emptyStringToNullConverter")
public class EmptyStringToNullConverter implements Converter {
/**
* {@inheritDoc}
*/
public Object getAsObject(FacesContext context, UIComponent component, String value) {
if (value.isEmpty()) {
return null;
} else {
return value;
}
}
/**
* {@inheritDoc}
*/
public String getAsString(FacesContext context, UIComponent component, Object value) {
if (value == null) {
return "";
}
return value.toString();
}
}