Java tutorial
/* * This file is part of "albirar framework" project. * * "albirar framework" 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, or (at your option) any * later version. * * "albirar framework" 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 calendar. If not, see * <http://www.gnu.org/licenses/>. * * Copyright (C) 2013 Octavi Forns octavi@fornes.cat */ package cat.albirar.framework.dynabean.impl; import java.beans.PropertyEditorSupport; import java.text.ParseException; import java.text.SimpleDateFormat; import java.util.Calendar; import java.util.Date; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.util.Assert; /** * A formatter for {@link Date} or {@link Calendar} types. * * @author <a href="mailto:ofornes@albirar.cat">Octavi Forns ofornes@albirar.cat</a> * @since 2.0.0 */ class DynaBeanDateEditor extends PropertyEditorSupport { private static final Logger logger = LoggerFactory.getLogger(DynaBeanDateEditor.class); private SimpleDateFormat formatter; private boolean typeCalendar; /** * Instantiate a formatter for both, {@link Date} and {@link Calendar}. * @param pattern The pattern * @param typeCalendar If the desired type is {@link Calendar} */ public DynaBeanDateEditor(String pattern, boolean typeCalendar) { Assert.hasText(pattern, "Should to indicate a date pattern string"); formatter = new SimpleDateFormat(pattern); this.typeCalendar = typeCalendar; } @Override public void setAsText(String text) throws IllegalArgumentException { Date d; Calendar cal; try { d = formatter.parse(text); if (typeCalendar) { cal = Calendar.getInstance(); cal.setTimeInMillis(d.getTime()); setValue(cal); } else { setValue(d); } } catch (ParseException e) { logger.error("When parsing text '" + text + "' to Date type", e); setValue(null); } } }