Java tutorial
/* * * * Copyright (C) 2012 Jorge Luis Martinez Ramirez * * This program 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 3 of the * License, or (at your option) any later version. * * 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 program. If not, see <http://www.gnu.org/licenses/>. * * Author: Jorge Luis Martinez Ramirez * Email: jorgemfk1@gmail.com */ package mx.dr.ml.service.impl; import java.io.ByteArrayInputStream; import java.util.List; import javax.annotation.Resource; import mx.dr.ml.dao.GenericDao; import mx.dr.util.FileUtils; import mx.dr.ml.service.IAttachmentService; import mx.test.vo.Attachment; import mx.test.vo.Document; import org.springframework.context.annotation.Scope; import org.springframework.stereotype.Service; import org.springframework.transaction.annotation.Transactional; import org.zkoss.util.media.Media; import org.zkoss.util.resource.Labels; /** * * @author JLMR */ @Scope("prototype") @Service("IAttachmentService") public class AttachmentService implements IAttachmentService { @Resource(name = "GenericDao") private GenericDao dao; @Transactional public Long saveMedia(Media media, Attachment adjunto) throws Exception { String res = "/empty.properties"; Document doc = new Document(); doc.setDataContent(media.getByteData()); dao.save(doc); FileUtils.writeToFile(Attachment.class.getResource(res).getPath().replaceFirst(res, "") + "/../../" + Labels.getLabel("parametro.adjuntos.folder") + "/" + doc.getId() + "." + adjunto.getFormat(), media.getStreamData()); System.out.println(Attachment.class.getResource(res).getPath().replaceFirst(res, "") + "/../../" + Labels.getLabel("parametro.adjuntos.folder") + "/" + doc.getId() + "." + adjunto.getFormat()); return doc.getId(); } @Transactional public void writeTempFiles() throws Exception { String res = "/empty.properties"; List<Attachment> ids = dao.find("from Attachment"); Document doc; for (Attachment adjunto : ids) { doc = dao.get(Document.class, adjunto.getIddocument()); if (doc != null) FileUtils.writeToFile(Attachment.class.getResource(res).getPath().replaceFirst(res, "") + "/../../" + Labels.getLabel("parametro.adjuntos.folder") + "/" + doc.getId() + "." + adjunto.getFormat(), new ByteArrayInputStream(doc.getDataContent())); } System.gc(); } public GenericDao getDao() { return dao; } public void setDao(GenericDao dao) { this.dao = dao; } }