Java tutorial
/* * JDynA, Dynamic Metadata Management for Java Domain Object * * Copyright (c) 2008, CILEA and third-party contributors as * indicated by the @author tags or express copyright attribution * statements applied by the authors. All third-party contributions are * distributed under license by CILEA. * * This copyrighted material is made available to anyone wishing to use, modify, * copy, or redistribute it subject to the terms and conditions of the GNU * Lesser General Public License v3 or any later version, as published * by the Free Software Foundation, Inc. <http://fsf.org/>. * * 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 Lesser General Public License * for more details. * * You should have received a copy of the GNU Lesser General Public License * along with this distribution; if not, write to: * Free Software Foundation, Inc. * 51 Franklin Street, Fifth Floor * Boston, MA 02110-1301 USA */ package it.cilea.osd.jdyna.editor; import it.cilea.osd.common.model.Identifiable; import it.cilea.osd.common.service.IPersistenceService; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; public class ModelPropertyEditor extends java.beans.PropertyEditorSupport { /** My gateway to business logic */ private IPersistenceService applicationService; /** Model Class */ private Class clazz; /** The logger */ private final static Log log = LogFactory.getLog(ModelPropertyEditor.class); public ModelPropertyEditor(Class model) { clazz = model; } @Override public void setAsText(String text) throws IllegalArgumentException { log.debug("chiamato ModelConverter - setAsText text: " + text); if (text == null || text.trim().equals("")) { setValue(null); } else { setValue(applicationService.get(clazz, Integer.parseInt(text))); } } @Override public String getAsText() { log.debug("chiamato ModelConverer - getAsText"); Identifiable valore = (Identifiable) getValue(); return (valore == null || valore.getId() == null) ? "" : valore.getId().toString(); } public IPersistenceService getApplicationService() { return applicationService; } public void setApplicationService(IPersistenceService applicationService) { this.applicationService = applicationService; } }