Java tutorial
/***************************************************************************** * This file is part of Rinzo * * Author: Claudio Cancinos * WWW: https://sourceforge.net/projects/editorxml * Copyright (C): 2008, Claudio Cancinos * * 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 2 * 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 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/> ****************************************************************************/ package ar.com.tadp.xml.rinzo.core.wizards; import java.io.File; import java.util.ArrayList; import java.util.LinkedHashMap; import java.util.List; import java.util.Map; import org.eclipse.core.resources.IFile; import org.eclipse.core.resources.IResource; import org.eclipse.core.runtime.IStatus; import org.eclipse.core.runtime.Status; import org.eclipse.jface.dialogs.MessageDialog; import org.eclipse.jface.viewers.IStructuredSelection; import org.eclipse.swt.SWT; import org.eclipse.swt.layout.GridData; import org.eclipse.swt.layout.GridLayout; import org.eclipse.swt.widgets.Combo; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Label; import org.eclipse.swt.widgets.Layout; import org.eclipse.swt.widgets.Text; import org.eclipse.ui.dialogs.WizardNewFileCreationPage; import org.eclipse.ui.internal.layout.CellLayout; import ar.com.tadp.xml.rinzo.XMLEditorPlugin; import com.thaiopensource.relaxng.edit.SchemaCollection; import com.thaiopensource.relaxng.input.xml.XmlInputFormat; import com.thaiopensource.relaxng.output.LocalOutputDirectory; import com.thaiopensource.relaxng.output.OutputDirectory; import com.thaiopensource.relaxng.output.OutputFormat; import com.thaiopensource.relaxng.output.dtd.DtdOutputFormat; import com.thaiopensource.relaxng.output.rnc.RncOutputFormat; import com.thaiopensource.relaxng.output.rng.RngOutputFormat; import com.thaiopensource.relaxng.output.xsd.XsdOutputFormat; import com.thaiopensource.util.UriOrFile; import com.thaiopensource.xml.sax.ErrorHandlerImpl; /** * * @author ccancinos */ public class NewXMLStructureDefinitionWizardPage extends WizardNewFileCreationPage { private Map<String, OutputFormat> formats = new LinkedHashMap<String, OutputFormat>(); private Combo formatCombo; private Combo encodingCombo; private Text width; private List<IFile> input; public NewXMLStructureDefinitionWizardPage(IStructuredSelection selection, List<IFile> input2) { super("XML Structure Definition", selection); this.setTitle("XML Structure Definition"); this.setDescription( "Creates the XML Schema, DTD, RELAX NG (XML syntax) or RELAX NG (compact syntax) for the selected file."); this.input = input2; this.formats.put("XML Schema", new XsdOutputFormat()); this.formats.put("DTD", new DtdOutputFormat()); this.formats.put("RELAX NG (XML syntax)", new RngOutputFormat()); this.formats.put("RELAX NG (compact syntax)", new RncOutputFormat()); } @Override public void createControl(Composite parent) { Composite topLevel = new Composite(parent, SWT.NONE); // Change this layout for a non-internal one. Also try to put this // controls at the bottom. Layout layout = new CellLayout(1); topLevel.setLayout(layout); Composite form = new Composite(topLevel, SWT.None); GridLayout gridLayout = new GridLayout(); gridLayout.numColumns = 2; form.setLayout(gridLayout); Label formatLabel = new Label(form, SWT.NULL); formatLabel.setText("&Format:"); formatCombo = new Combo(form, SWT.READ_ONLY); formatCombo.setItems(this.formats.keySet().toArray(new String[] {})); formatCombo.setText("Format"); formatCombo.select(0); Label encodingLabel = new Label(form, SWT.NULL); encodingLabel.setText("&Encoding:"); encodingCombo = new Combo(form, SWT.READ_ONLY); encodingCombo.setItems(new String[] { "UTF-8", "UTF-16", "UTF-16BE", "UTF-16LE", "US-ASCII", "TIS-620" }); encodingCombo.setText("Encoding"); encodingCombo.select(0); Label widthLabel = new Label(form, SWT.NULL); widthLabel.setText("&Width:"); width = new Text(form, SWT.BORDER); width.setLayoutData(new GridData(40, 20)); width.setText(XMLEditorPlugin.getMaximumLineWidth() + ""); super.createControl(topLevel); } @Override protected void createAdvancedControls(Composite parent) { } protected IStatus validateLinkedResource() { return Status.OK_STATUS; } @Override public IFile createNewFile() { try { ErrorHandlerImpl errorHandler = new ErrorHandlerImpl(); OutputFormat outputFormat = this.formats.get(this.formatCombo.getText()); XmlInputFormat inputFormat = new XmlInputFormat(); SchemaCollection schemaCollection = inputFormat.load(this.getFiles(), new String[0], "xsd", errorHandler, null); IFile fileHandle = createFileHandle(this.getContainerFullPath().append(this.getFileName())); OutputDirectory outputDirectory = new LocalOutputDirectory(schemaCollection.getMainUri(), new File(fileHandle.getLocation().toString()), "xml", this.encodingCombo.getText(), Integer.valueOf(this.width.getText()), 4); outputFormat.output(schemaCollection, outputDirectory, new String[0], "xml", errorHandler); fileHandle.refreshLocal(IResource.DEPTH_ZERO, null); return fileHandle; } catch (Exception e) { MessageDialog.openInformation(null, "Definition Generation", "Error generating definition for file " + this.getFiles() + "\n\nError message:\n" + e.getLocalizedMessage()); e.printStackTrace(); return null; } } private String[] getFiles() { List<String> files = new ArrayList<String>(); for (IFile file : this.input) { files.add(UriOrFile.toUri(file.getLocation().toString())); } return files.toArray(new String[] {}); } }