/** * TNTConcept Easy Enterprise Management by Autentia Real Bussiness Solution S.L. * Copyright (C) 2007 Autentia Real Bussiness Solution S.L. * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License. * * 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 General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ package com.autentia.tnt.converter; import com.autentia.tnt.util.FacesUtils; import javax.faces.component.*; import javax.faces.context.*; import javax.faces.convert.*; import org.apache.commons.lang.*; import org.apache.commons.logging.*; /** * Translator (I18N) for enumerations. Converts an enumerated value to its * internationalized string. This class is a translator, not a true converter. * It can only be used to output enums as I18N values, but not to convert input * values to enums. * @author ivan */ public class EnumTranslator implements Converter { /** Logger */ private static Log log = LogFactory.getLog(EnumTranslator.class); /** */ public Object getAsObject( FacesContext context, UIComponent component, String value ) throws ConverterException { throw new ConverterException("EnumTranslator cannot be used as an I/O converter: "+ "only conversion from Enum to String is supported, and not the other way"); } /** */ public String getAsString( FacesContext context, UIComponent component, Object value ) throws ConverterException { if( value==null ){ return null; } else { String className = value.getClass().getSimpleName(); return FacesUtils.formatMessage(className+"."+value); } } }