/* * Databinder: a simple bridge from Wicket to Hibernate * Copyright (C) 2006 Nathan Hamblen nathan@technically.us * This library 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 library 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 library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ package net.databinder.components.hib; import java.io.IOException; import java.sql.Blob; import org.hibernate.Hibernate; import org.apache.wicket.markup.html.form.FormComponentPanel; import org.apache.wicket.markup.html.form.upload.FileUploadField; import org.apache.wicket.model.IModel; /** * Extension of FileUploadField optimized for blob resources. This upload field can be * bound to an object with a compound property model where the property corresponds * to the destination blob setter. This allows for file uploads with no specific code for each * upload component. * @author Nathan Hamblen */ public class BlobUploadField extends FormComponentPanel<Blob> { private FileUploadField uploadField; /** * Costructor to be used with compound property model. * @param id component id, should resolve to a stream property */ public BlobUploadField(String id) { super(id, null); } /** * Constructor to be used with PropertyModel or other model. * @param id component id * @param model should resolve to a stream setter */ public BlobUploadField(String id, IModel<Blob> model) { super(id, model); } /** * Converts the upload's inputstream to the resolved blob setter. */ @Override public void updateModel() { try { if (uploadField.getFileUpload() != null) { setModelObject(Hibernate.createBlob( uploadField.getFileUpload().getInputStream())); onUpdated(); } } catch (IOException e) { throw new RuntimeException(e); } } protected void onUpdated() { } }