Java tutorial
/* * DSS - Digital Signature Services * * Copyright (C) 2013 European Commission, Directorate-General Internal Market and Services (DG MARKT), B-1049 Bruxelles/Brussel * * Developed by: 2013 ARHS Developments S.A. (rue Nicolas Bov 2B, L-1253 Luxembourg) http://www.arhs-developments.com * * This file is part of the "DSS - Digital Signature Services" project. * * "DSS - Digital Signature Services" 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. * * DSS 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 * "DSS - Digital Signature Services". If not, see <http://www.gnu.org/licenses/>. */ package eu.europa.ec.markt.dss.applet.view.validationpolicy; import com.jgoodies.forms.builder.PanelBuilder; import com.jgoodies.forms.layout.CellConstraints; import com.jgoodies.forms.layout.FormLayout; import eu.europa.ec.markt.dss.applet.model.ValidationPolicyModel; import eu.europa.ec.markt.dss.applet.util.ComponentFactory; import eu.europa.ec.markt.dss.applet.util.ResourceUtils; import eu.europa.ec.markt.dss.applet.wizard.validationpolicy.ValidationPolicyWizardController; import eu.europa.ec.markt.dss.commons.swing.mvc.applet.AppletCore; import eu.europa.ec.markt.dss.commons.swing.mvc.applet.wizard.WizardView; import eu.europa.ec.markt.dss.validation102853.engine.rules.wrapper.constraint.ValidationPolicy; import org.w3c.dom.Document; import org.xml.sax.InputSource; import org.xml.sax.SAXException; import javax.swing.*; import javax.xml.transform.Source; import javax.xml.transform.dom.DOMSource; import javax.xml.transform.sax.SAXSource; import javax.xml.validation.Schema; import javax.xml.validation.SchemaFactory; import javax.xml.validation.Validator; import java.awt.*; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.beans.PropertyChangeEvent; import java.io.File; import java.io.IOException; import java.io.InputStream; /** * * TODO * * <p> * DISCLAIMER: Project owner DG-MARKT. * * @version $Revision: 1016 $ - $Date: 2011-06-17 15:30:45 +0200 (Fri, 17 Jun 2011) $ * @author <a href="mailto:dgmarkt.Project-DSS@arhs-developments.com">ARHS Developments</a> */ public class SaveView extends WizardView<ValidationPolicyModel, ValidationPolicyWizardController> { private static final String I18N_SAVE_TO_FILE = ResourceUtils.getI18n("SAVE_TO_FILE"); private static final String I18N_NO_FILE_SELECTED = ResourceUtils.getI18n("NO_FILE_SELECTED"); private static final String I18N_BROWSE = ResourceUtils.getI18n("BROWSE"); private final JTextArea validationArea; private final JLabel fileTargetLabel; private final JButton selectFileTarget; private final JScrollPane scrollPane; /** * The default constructor for SaveView. * * @param core * @param controller * @param model */ public SaveView(AppletCore core, ValidationPolicyWizardController controller, ValidationPolicyModel model) { super(core, controller, model); validationArea = new JTextArea(); validationArea.setColumns(10); validationArea.setRows(10); scrollPane = new JScrollPane(validationArea); validationArea.setForeground(Color.ORANGE); validationArea.setFont( new Font(validationArea.getFont().getName(), Font.BOLD, validationArea.getFont().getSize())); validationArea.setEditable(false); fileTargetLabel = ComponentFactory.createLabel(I18N_NO_FILE_SELECTED); selectFileTarget = ComponentFactory.createFileChooser(I18N_BROWSE, true, new SelectFileAEventListener()); } /** * * TODO * * <p> * DISCLAIMER: Project owner DG-MARKT. * * @version $Revision: 1016 $ - $Date: 2011-06-17 15:30:45 +0200 (Fri, 17 Jun 2011) $ * @author <a href="mailto:dgmarkt.Project-DSS@arhs-developments.com">ARHS Developments</a> */ private class SelectFileAEventListener implements ActionListener { /* * (non-Javadoc) * * @see java.awt.event.ActionListener#actionPerformed(java.awt.event.ActionEvent) */ @Override public void actionPerformed(final ActionEvent e) { final JFileChooser chooser = new JFileChooser() { @Override public void approveSelection() { final File f = getSelectedFile(); if (f.exists() && getDialogType() == SAVE_DIALOG) { int result = JOptionPane.showConfirmDialog(this, "The file exists, overwrite?", "Existing file", JOptionPane.YES_NO_CANCEL_OPTION); switch (result) { case JOptionPane.YES_OPTION: super.approveSelection(); return; case JOptionPane.NO_OPTION: return; case JOptionPane.CLOSED_OPTION: return; case JOptionPane.CANCEL_OPTION: cancelSelection(); return; } } super.approveSelection(); } }; if (getModel().getTargetFile() != null) { chooser.setSelectedFile(getModel().getTargetFile()); } final int result = chooser.showSaveDialog(getCore()); if (result == JFileChooser.APPROVE_OPTION) { getModel().setTargetFile(chooser.getSelectedFile()); } } } /* * (non-Javadoc) * * @see eu.europa.ec.markt.dss.applet.view.DSSAppletView#doInit() */ @Override public void doInit() { final File targetFile = getModel().getTargetFile(); fileTargetLabel.setText(targetFile != null ? targetFile.getName() : I18N_NO_FILE_SELECTED); SchemaFactory factory = SchemaFactory.newInstance("http://www.w3.org/2001/XMLSchema"); String validationErrors = ""; final ValidationPolicy validationPolicy = getModel().getValidationPolicy(); Document document = validationPolicy.getDocument(); try { InputStream stream = validationPolicy.getSourceXSD().openStream(); InputSource sourceentree = new InputSource(stream); SAXSource sourceXsd = new SAXSource(sourceentree); Schema schema = factory.newSchema(sourceXsd); Validator validator = schema.newValidator(); Source input = new DOMSource(document); validator.validate(input); } catch (SAXException e) { validationErrors = e.getMessage(); } catch (IOException e) { validationErrors = e.getMessage(); } validationArea.setText(validationErrors); scrollPane.setVisible(!validationErrors.equals("")); } /* * (non-Javadoc) * * @see eu.europa.ec.markt.dss.applet.view.DSSAppletView#doLayout() */ @Override protected Container doLayout() { final FormLayout layout = new FormLayout( "5dlu, pref, 5dlu, pref, 5dlu ,pref:grow ,5dlu, fill:default:grow, 5dlu", "5dlu, pref, 5dlu, pref, 5dlu, fill:default:grow, 5dlu"); final PanelBuilder builder = ComponentFactory.createBuilder(layout); final CellConstraints cc = new CellConstraints(); builder.addSeparator(I18N_SAVE_TO_FILE, cc.xyw(2, 2, 5)); builder.add(selectFileTarget, cc.xy(2, 4)); builder.add(fileTargetLabel, cc.xyw(4, 4, 3)); builder.add(scrollPane, cc.xywh(2, 5, 8, 3)); return ComponentFactory.createPanel(builder); } /* * (non-Javadoc) * * @see * eu.europa.ec.markt.dss.commons.swing.mvc.applet.wizard.WizardView#wizardModelChange(java.beans.PropertyChangeEvent * ) */ @Override public void wizardModelChange(final PropertyChangeEvent evt) { if (evt.getPropertyName().equals(ValidationPolicyModel.PROPERTY_TARGET_FILE)) { final File targetFile = getModel().getTargetFile(); final String text = targetFile == null ? I18N_NO_FILE_SELECTED : targetFile.getName(); fileTargetLabel.setText(text); } } }