Java tutorial
/******************************************************************************* * Copyright (c) 2011 University of Western Australia. All rights reserved. * * This file is part of The Ark. * * The Ark 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. * * The Ark 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 au.org.theark.lims.web.component.button.zebra.biocollection; import org.apache.shiro.SecurityUtils; import org.apache.wicket.ajax.AjaxRequestTarget; import org.apache.wicket.ajax.markup.html.form.AjaxButton; import org.apache.wicket.markup.html.form.Form; import org.apache.wicket.model.IModel; import org.apache.wicket.spring.injection.annot.SpringBean; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import au.org.theark.core.exception.EntityNotFoundException; import au.org.theark.core.model.lims.entity.BarcodeLabel; import au.org.theark.core.model.lims.entity.BioCollection; import au.org.theark.core.model.study.entity.LinkSubjectStudy; import au.org.theark.core.model.study.entity.Study; import au.org.theark.core.service.IArkCommonService; import au.org.theark.lims.service.ILimsAdminService; import au.org.theark.lims.service.ILimsService; import au.org.theark.lims.web.Constants; /** * Class that represents a button to print a barcode label to a Zebra printer (generally the TLP2844 model) * * @author cellis */ public abstract class PrintBioCollectionLabelButton extends AjaxButton { private static final long serialVersionUID = 5772993543283783679L; private static final Logger log = LoggerFactory.getLogger(PrintBioCollectionLabelButton.class); @SpringBean(name = au.org.theark.core.Constants.ARK_COMMON_SERVICE) private IArkCommonService<Void> iArkCommonService; @SpringBean(name = Constants.LIMS_SERVICE) private ILimsService iLimsService; @SpringBean(name = au.org.theark.lims.web.Constants.LIMS_ADMIN_SERVICE) private ILimsAdminService iLimsAdminService; private BioCollection bioCollection; private String zplString; private BarcodeLabel barcodeLabel; private IModel<?> numberModel; private Number barcodesToPrint; /** * Construct an ajax button to send the specified barcodeString to a ZebraTLP2844 printer<br> * <b>NOTE:</b> Assumes there is an applet on the page with the name "jZebra" * * @param id the markup identifier * @param bioCollection the bioCollection in context * @param numberModel the number of labels to print */ public PrintBioCollectionLabelButton(String id, final BioCollection bioCollection, IModel<Number> numberModel) { super(id); setOutputMarkupPlaceholderTag(true); this.bioCollection = bioCollection; this.numberModel = numberModel; this.barcodesToPrint = (Number) numberModel.getObject(); try { this.bioCollection = iLimsService.getBioCollection(bioCollection.getId()); String sessionSubjectUID = (String) SecurityUtils.getSubject().getSession() .getAttribute(au.org.theark.core.Constants.SUBJECTUID); LinkSubjectStudy linkSubjectStudy = null; Study study = bioCollection.getStudy(); linkSubjectStudy = iArkCommonService.getSubjectByUID(sessionSubjectUID, study); this.bioCollection.setLinkSubjectStudy(linkSubjectStudy); } catch (EntityNotFoundException e) { log.error(e.getMessage()); } barcodeLabel = new BarcodeLabel(); barcodeLabel.setStudy(bioCollection.getStudy()); barcodeLabel.setName("zebra biocollection"); barcodeLabel = iLimsAdminService.searchBarcodeLabel(barcodeLabel); } @Override public boolean isEnabled() { boolean barcodePrinterAvailable = true; if (barcodeLabel == null || barcodeLabel.getBarcodePrinterName() == null || barcodeLabel.getBarcodePrinterName().isEmpty()) { //log.debug("A Zebra barcode label is currently not available. Please define the label and try again"); barcodePrinterAvailable = false; } return (barcodePrinterAvailable); } @Override protected void onError(AjaxRequestTarget target, Form<?> form) { log.error("Error on PrintBarcodeToZebraButton click"); } @Override protected void onSubmit(AjaxRequestTarget target, Form<?> form) { if (barcodeLabel != null) { StringBuffer sb = new StringBuffer(); if (numberModel == null) { barcodesToPrint = 1; } else { barcodesToPrint = (Number) numberModel.getObject(); } for (int i = 0; i < barcodesToPrint.intValue(); i++) { sb.append(iLimsAdminService.createBioCollectionLabelTemplate(bioCollection, barcodeLabel)); sb.append("%0A"); } this.zplString = sb.toString(); if (zplString == null || zplString.isEmpty()) { this.error("There was an error when attempting to print the barcode for: " + bioCollection.getBiocollectionUid()); log.error("There was an error when attempting to print the barcode for: " + bioCollection.getBiocollectionUid()); } else { log.debug(zplString); target.appendJavaScript( "printBarcode(\"" + barcodeLabel.getBarcodePrinterName() + "\",\"" + zplString + "\");"); onPostSubmit(target, form); } } } /** * Method used for any post-submit processing by the calling parent object/form * * @param target * @param form */ protected abstract void onPostSubmit(AjaxRequestTarget target, Form<?> form); }