| /******************************************************************************* |
| * Copyright (c) 2007, 2008 Oracle. All rights reserved. |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Public License v1.0, which accompanies this distribution |
| * and is available at http://www.eclipse.org/legal/epl-v10.html. |
| * |
| * Contributors: |
| * Oracle - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jpt.eclipselink.ui.internal.ddlgen; |
| |
| import java.util.Iterator; |
| |
| import org.eclipse.core.resources.IWorkspaceRunnable; |
| import org.eclipse.core.resources.ResourcesPlugin; |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.core.runtime.NullProgressMonitor; |
| import org.eclipse.core.runtime.OperationCanceledException; |
| import org.eclipse.jface.dialogs.MessageDialog; |
| import org.eclipse.jface.window.Window; |
| import org.eclipse.jface.wizard.WizardDialog; |
| import org.eclipse.jpt.core.JpaPlatform; |
| import org.eclipse.jpt.core.JpaProject; |
| import org.eclipse.jpt.core.context.persistence.Persistence; |
| import org.eclipse.jpt.core.context.persistence.PersistenceUnit; |
| import org.eclipse.jpt.eclipselink.core.internal.ddlgen.EclipseLinkDDLGenerator; |
| import org.eclipse.jpt.eclipselink.ui.internal.EclipseLinkUiMessages; |
| import org.eclipse.jpt.eclipselink.ui.internal.ddlgen.wizards.GenerateDDLWizard; |
| import org.eclipse.jpt.utility.internal.StringTools; |
| import org.eclipse.swt.widgets.Display; |
| import org.eclipse.swt.widgets.Shell; |
| |
| /** |
| * EclipseLinkDLLGeneratorUi is used by the EclipseLinkPlatformUi to initiate |
| * the execution of EclipseLink DDL generator. |
| */ |
| public class EclipseLinkDDLGeneratorUi |
| { |
| private final JpaProject project; |
| private static final String CR = StringTools.CR; |
| |
| // ********** constructors ********** |
| |
| public static void generate(JpaProject project) { |
| new EclipseLinkDDLGeneratorUi(project).generate(); |
| } |
| |
| private EclipseLinkDDLGeneratorUi(JpaProject project) { |
| super(); |
| if (project == null) { |
| throw new NullPointerException(); |
| } |
| this.project = project; |
| } |
| |
| // ********** behavior ********** |
| |
| protected void generate() { |
| |
| PersistenceUnit persistenceUnit = this.getPersistenceUnits().next(); // Take the first persistenceUnit |
| String puName = persistenceUnit.getName(); |
| if( ! this.displayGeneratingDDLWarning()) { |
| return; |
| } |
| |
| GenerateDDLWizard wizard = new GenerateDDLWizard(this.project); |
| WizardDialog dialog = new WizardDialog(this.getCurrentShell(), wizard); |
| dialog.create(); |
| if(wizard.getPageCount() > 0) { |
| int returnCode = dialog.open(); |
| if (returnCode == Window.CANCEL) { |
| return; |
| } |
| } |
| IWorkspaceRunnable runnable = new GenerateDDLRunnable(puName, this.project); |
| try { |
| ResourcesPlugin.getWorkspace().run(runnable, new NullProgressMonitor()); |
| } |
| catch (CoreException ex) { |
| throw new RuntimeException(ex); |
| } |
| } |
| |
| private Shell getCurrentShell() { |
| return Display.getCurrent().getActiveShell(); |
| } |
| |
| private boolean displayGeneratingDDLWarning() { |
| String message = org.eclipse.osgi.util.NLS.bind( |
| EclipseLinkUiMessages.EclipseLinkDDLGeneratorUi_generatingDDLWarningMessage, |
| CR, CR + CR); |
| |
| return MessageDialog.openQuestion( |
| this.getCurrentShell(), |
| EclipseLinkUiMessages.EclipseLinkDDLGeneratorUi_generatingDDLWarningTitle, |
| message); |
| } |
| |
| // ********** Persistence Unit ********** |
| |
| protected JpaPlatform getPlatform() { |
| return this.project.getJpaPlatform(); |
| } |
| |
| protected Iterator<PersistenceUnit> getPersistenceUnits() { |
| return this.getPersistence().persistenceUnits(); |
| } |
| |
| protected Persistence getPersistence() { |
| return this.project.getRootContextNode().getPersistenceXml().getPersistence(); |
| } |
| |
| // ********** runnable ********** |
| |
| static class GenerateDDLRunnable implements IWorkspaceRunnable { |
| private final String puName; |
| private final JpaProject project; |
| |
| GenerateDDLRunnable(String puName, JpaProject project) { |
| super(); |
| this.puName = puName; |
| this.project = project; |
| } |
| |
| public void run(IProgressMonitor monitor) { |
| String projectLocation = this.project.getProject().getLocation().toString(); |
| try { |
| EclipseLinkDDLGenerator.generate(this.puName, this.project, projectLocation, monitor); |
| } |
| catch (OperationCanceledException e) { |
| return; |
| // fall through and tell monitor we are done |
| } |
| catch (RuntimeException re) { |
| String msg = re.getMessage(); |
| String message = (msg == null) ? re.toString() : msg; |
| |
| this.logError(message); |
| throw new RuntimeException(re); |
| } |
| } |
| |
| protected void logError(String message) { |
| this.displayError(message); |
| } |
| |
| private void displayError(String message) { |
| MessageDialog.openError( |
| getShell(), |
| EclipseLinkUiMessages.EclipseLinkDDLGeneratorUi_error, |
| message |
| ); |
| } |
| |
| private Shell getShell() { |
| Display display = Display.getCurrent(); |
| Shell shell = (display == null) ? null : display.getActiveShell(); |
| if (shell == null && display != null) { |
| Shell[] shells = display.getShells(); |
| if (shells.length > 0) |
| shell = shells[0]; |
| } |
| return shell; |
| } |
| } |
| } |