Java tutorial
/** * OrbisGIS is a java GIS application dedicated to research in GIScience. * OrbisGIS is developed by the GIS group of the DECIDE team of the * Lab-STICC CNRS laboratory, see <http://www.lab-sticc.fr/>. * * The GIS group of the DECIDE team is located at : * * Laboratoire Lab-STICC CNRS UMR 6285 * Equipe DECIDE * UNIVERSIT DE BRETAGNE-SUD * Institut Universitaire de Technologie de Vannes * 8, Rue Montaigne - BP 561 56017 Vannes Cedex * * OrbisGIS is distributed under GPL 3 license. * * Copyright (C) 2007-2014 CNRS (IRSTV FR CNRS 2488) * Copyright (C) 2015-2016 CNRS (Lab-STICC UMR CNRS 6285) * * This file is part of OrbisGIS. * * OrbisGIS 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. * * OrbisGIS 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 * OrbisGIS. If not, see <http://www.gnu.org/licenses/>. * * For more information, please consult: <http://www.orbisgis.org/> * or contact directly: * info_at_ orbisgis.org */ package org.orbisgis.sqlconsole.api; import org.apache.commons.io.FileUtils; import org.orbisgis.commons.progress.ProgressMonitor; import org.orbisgis.sif.UIFactory; import org.orbisgis.sif.components.SaveFilePanel; import org.orbisgis.sif.docking.DockingPanelLayout; import org.orbisgis.sif.docking.XElement; import org.orbisgis.sif.edition.AbstractEditableElement; import org.orbisgis.sif.edition.EditableElementException; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.xnap.commons.i18n.I18n; import org.xnap.commons.i18n.I18nFactory; import javax.swing.event.DocumentEvent; import javax.swing.event.DocumentListener; import javax.swing.text.JTextComponent; import java.io.DataInputStream; import java.io.DataOutputStream; import java.io.File; import java.io.IOException; /** * SQL Document serialisation * @author Nicolas Fortin */ public class SQLElement extends AbstractEditableElement implements DocumentListener, DockingPanelLayout { private static final I18n I18N = I18nFactory.getI18n(SQLElement.class); private static final Logger LOGGER = LoggerFactory.getLogger(SQLElement.class); public final static String PROP_DOCUMENT_PATH = "PROP_DOCUMENT_PATH"; private File documentPath; private JTextComponent document; public SQLElement() { } public SQLElement(String documentPath) { if (documentPath != null && !documentPath.isEmpty()) { this.documentPath = new File(documentPath); } } @Override public String getTypeId() { return "SQLElement"; } @Override public void open(ProgressMonitor progressMonitor) throws UnsupportedOperationException, EditableElementException { if (document != null) { try { if (documentPath != null && documentPath.isFile() && documentPath.exists()) { document.setText(FileUtils.readFileToString(documentPath)); } document.getDocument().addDocumentListener(this); } catch (IOException ex) { LOGGER.error(ex.getLocalizedMessage(), ex); } } } @Override public void save() throws UnsupportedOperationException, EditableElementException { if (document != null) { if (getDocumentPathString().isEmpty()) { final SaveFilePanel outfilePanel = new SaveFilePanel("sqlConsoleOutFile", I18N.tr("Save script")); outfilePanel.addFilter("sql", I18N.tr("SQL script (*.sql)")); outfilePanel.loadState(); if (UIFactory.showDialog(outfilePanel)) { setDocumentPath(outfilePanel.getSelectedFile()); } } if (documentPath != null) { try { FileUtils.writeStringToFile(documentPath, document.getText()); setModified(false); } catch (IOException e1) { LOGGER.error(I18N.tr("IO error."), e1); } } } } @Override public void close(ProgressMonitor progressMonitor) throws UnsupportedOperationException, EditableElementException { if (document != null) { document.getDocument().removeDocumentListener(this); } } @Override public Object getObject() throws UnsupportedOperationException { return documentPath; } /** * Set the linked document * @param document Control */ public void setDocument(JTextComponent document) { this.document = document; } public File getDocumentPath() { return documentPath; } public String getDocumentPathString() { if (documentPath != null) { return documentPath.getAbsolutePath(); } else { return ""; } } public void setDocumentPath(File documentPath) { File oldFile = this.documentPath; this.documentPath = documentPath; propertyChangeSupport.firePropertyChange(PROP_DOCUMENT_PATH, oldFile, documentPath); } @Override public void insertUpdate(DocumentEvent documentEvent) { setModified(true); } @Override public String toString() { if (documentPath != null) { return documentPath.getName(); } else { return I18N.tr("Unsaved SQL script"); } } @Override public void removeUpdate(DocumentEvent documentEvent) { setModified(true); } @Override public void changedUpdate(DocumentEvent documentEvent) { // Ignore } @Override public void writeStream(DataOutputStream out) throws IOException { out.writeUTF(getDocumentPathString()); } @Override public void readStream(DataInputStream in) throws IOException { String path = in.readUTF(); if (!path.isEmpty()) { setDocumentPath(new File(path)); } } @Override public void writeXML(XElement element) { element.addString(SQLElement.PROP_DOCUMENT_PATH, getDocumentPathString()); } @Override public void readXML(XElement element) { String path = element.getString(SQLElement.PROP_DOCUMENT_PATH); if (!path.isEmpty()) { setDocumentPath(new File(path)); } } }