Java tutorial
/* * $Id$ * * SARL is an general-purpose agent programming language. * More details on http://www.sarl.io * * Copyright (C) 2014-2017 the original authors or authors. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package io.sarl.eclipse.wizards.newproject; import java.lang.reflect.InvocationTargetException; import java.text.MessageFormat; import org.eclipse.core.resources.IProject; import org.eclipse.core.resources.IResource; import org.eclipse.core.runtime.CoreException; import org.eclipse.core.runtime.IConfigurationElement; import org.eclipse.core.runtime.IExecutableExtension; import org.eclipse.core.runtime.IPath; import org.eclipse.core.runtime.IProgressMonitor; import org.eclipse.core.runtime.IStatus; import org.eclipse.core.runtime.NullProgressMonitor; import org.eclipse.core.runtime.QualifiedName; import org.eclipse.jdt.core.IClasspathEntry; import org.eclipse.jdt.core.IJavaElement; import org.eclipse.jdt.core.IJavaProject; import org.eclipse.jdt.internal.ui.JavaPlugin; import org.eclipse.jdt.internal.ui.packageview.PackageExplorerPart; import org.eclipse.jdt.internal.ui.util.ExceptionHandler; import org.eclipse.jdt.internal.ui.wizards.JavaProjectWizard; import org.eclipse.jdt.internal.ui.wizards.NewElementWizard; import org.eclipse.jdt.internal.ui.wizards.NewWizardMessages; import org.eclipse.jdt.ui.IPackagesViewPart; import org.eclipse.jface.viewers.IStructuredSelection; import org.eclipse.swt.widgets.Display; import org.eclipse.swt.widgets.Shell; import org.eclipse.ui.IWorkbench; import org.eclipse.ui.IWorkbenchPage; import org.eclipse.ui.IWorkbenchPart; import org.eclipse.ui.IWorkbenchWindow; import org.eclipse.ui.IWorkingSet; import org.eclipse.ui.PlatformUI; import org.eclipse.ui.wizards.newresource.BasicNewProjectResourceWizard; import io.sarl.eclipse.SARLEclipseConfig; import io.sarl.eclipse.SARLEclipsePlugin; import io.sarl.eclipse.natures.SARLProjectConfigurator; import io.sarl.eclipse.properties.RuntimeEnvironmentPropertyPage; import io.sarl.eclipse.runtime.ISREInstall; import io.sarl.eclipse.util.Utilities; import io.sarl.lang.SARLConfig; import io.sarl.lang.ui.preferences.SARLPreferences; /** * SARL new project wizard. * Most part of the code of this class comes from {@link JavaProjectWizard}. * * @author $Author: ngaud$ * @author $Author: sgalland$ * @version $FullVersion$ * @mavengroupid $GroupId$ * @mavenartifactid $ArtifactId$ */ public class NewSarlProjectWizard extends NewElementWizard implements IExecutableExtension { private MainProjectWizardPage firstPage; private BuildSettingWizardPage secondPage; private IConfigurationElement fConfigElement; /** Construct a new wizard for creating a SARL project. */ public NewSarlProjectWizard() { this(null, null); } /** Construct a new wizard for creating a SARL project. * * @param pageOne - reference to the first page of the wizard. * @param pageTwo - reference to the second page of the wizard. */ public NewSarlProjectWizard(MainProjectWizardPage pageOne, BuildSettingWizardPage pageTwo) { setDialogSettings(JavaPlugin.getDefault().getDialogSettings()); this.firstPage = pageOne; this.secondPage = pageTwo; } @Override public void init(IWorkbench workbench, IStructuredSelection currentSelection) { super.init(workbench, currentSelection); setDefaultPageImageDescriptor(SARLEclipsePlugin.getDefault() .getImageDescriptor(SARLEclipseConfig.NEW_PROJECT_WIZARD_DIALOG_IMAGE)); setWindowTitle(Messages.SARLProjectNewWizard_0); } @Override public void addPages() { if (this.firstPage == null) { this.firstPage = new MainProjectWizardPage(); } addPage(this.firstPage); if (this.secondPage == null) { this.secondPage = new BuildSettingWizardPage(this.firstPage); } addPage(this.secondPage); this.firstPage.init(getSelection(), getActivePart()); } private static boolean hasSourcePath(IJavaProject javaProject, IPath path) { if (path != null) { final IPath pathInProject = javaProject.getProject().getFullPath().append(path); try { for (final IClasspathEntry entry : javaProject.getRawClasspath()) { if (entry.getEntryKind() == IClasspathEntry.CPE_SOURCE && pathInProject.equals(entry.getPath())) { return true; } } } catch (Throwable exception) { // } } return false; } private static String buildInvalidOutputPathMessageFragment(IJavaProject javaProject) { final StringBuilder sourceFolders = new StringBuilder(); try { for (final IClasspathEntry entry : javaProject.getRawClasspath()) { if (entry.getEntryKind() == IClasspathEntry.CPE_SOURCE) { sourceFolders.append("\t"); //$NON-NLS-1$ sourceFolders.append(entry.getPath().toOSString()); sourceFolders.append("\n"); //$NON-NLS-1$ } } } catch (Throwable exception) { // } return sourceFolders.toString(); } private static String toOSString(IPath path) { if (path == null) { return Utilities.EMPTY_STRING; } return path.toOSString(); } /** Validate the SARL properties of the new projects. * * @param element - the created element * @return validity */ protected boolean validateSARLSpecificElements(IJavaElement element) { final IJavaProject javaProject = (IJavaProject) element; // Check if the "SARL" generation directory is a source folder. final IPath outputPath = SARLPreferences.getSARLOutputPathFor(javaProject.getProject()); if (outputPath == null) { final String message = MessageFormat.format(Messages.BuildSettingWizardPage_0, SARLConfig.FOLDER_SOURCE_GENERATED); final IStatus status = SARLEclipsePlugin.getDefault().createStatus(IStatus.ERROR, message); handleFinishException(getShell(), new InvocationTargetException(new CoreException(status))); return false; } if (!hasSourcePath(javaProject, outputPath)) { final String message = MessageFormat.format(Messages.SARLProjectCreationWizard_0, toOSString(outputPath), buildInvalidOutputPathMessageFragment(javaProject)); final IStatus status = SARLEclipsePlugin.getDefault().createStatus(IStatus.ERROR, message); handleFinishException(getShell(), new InvocationTargetException(new CoreException(status))); return false; } return true; } @Override protected void finishPage(IProgressMonitor monitor) throws InterruptedException, CoreException { // use the full progress monitor this.secondPage.performFinish(monitor); } @Override public boolean performFinish() { final boolean res = super.performFinish(); if (res) { final IJavaProject newElement; try { newElement = getCreatedElement(); } catch (Throwable e) { handleFinishException(getShell(), new InvocationTargetException(e)); return false; } // Force SARL configuration SARLProjectConfigurator.configureSARLProject(newElement.getProject(), false, false, new NullProgressMonitor()); // Validate the SARL specific elements if (!validateSARLSpecificElements(newElement)) { return false; } final IWorkingSet[] workingSets = this.firstPage.getWorkingSets(); if (workingSets.length > 0) { PlatformUI.getWorkbench().getWorkingSetManager().addToWorkingSets(newElement, workingSets); } try { newElement.getProject().refreshLocal(IResource.DEPTH_INFINITE, new NullProgressMonitor()); } catch (CoreException e) { handleFinishException(getShell(), new InvocationTargetException(e)); return false; } BasicNewProjectResourceWizard.updatePerspective(this.fConfigElement); selectAndReveal(newElement.getProject()); Display.getDefault().asyncExec(new Runnable() { @Override public void run() { final IWorkbenchPart activePart = getActivePart(); if (activePart instanceof IPackagesViewPart) { final PackageExplorerPart view = PackageExplorerPart.openInActivePerspective(); view.tryToReveal(newElement); } } }); } return res; } /** Replies the active part in the workbench. * * @return the active part. */ IWorkbenchPart getActivePart() { final IWorkbenchWindow activeWindow = getWorkbench().getActiveWorkbenchWindow(); if (activeWindow != null) { final IWorkbenchPage activePage = activeWindow.getActivePage(); if (activePage != null) { return activePage.getActivePart(); } } return null; } @Override protected void handleFinishException(Shell shell, InvocationTargetException exception) { final String title = NewWizardMessages.JavaProjectWizard_op_error_title; final String message = NewWizardMessages.JavaProjectWizard_op_error_create_message; ExceptionHandler.handle(exception, getShell(), title, message); } @Override public void setInitializationData(IConfigurationElement cfig, String propertyName, Object data) { this.fConfigElement = cfig; } @Override public boolean performCancel() { this.secondPage.performCancel(); return super.performCancel(); } @Override public IJavaProject getCreatedElement() { final IJavaProject javaProject = this.secondPage.getJavaProject(); try { // Set the SRE configuration final IProject project = javaProject.getProject(); final ISREInstall sre = this.firstPage.getSRE(); final boolean useDefaultSRE = sre == null || this.firstPage.isSystemDefaultSRE(); QualifiedName qn = RuntimeEnvironmentPropertyPage .qualify(RuntimeEnvironmentPropertyPage.PROPERTY_NAME_HAS_PROJECT_SPECIFIC); project.setPersistentProperty(qn, Boolean.toString(!useDefaultSRE)); if (!useDefaultSRE) { assert sre != null; qn = RuntimeEnvironmentPropertyPage .qualify(RuntimeEnvironmentPropertyPage.PROPERTY_NAME_USE_SYSTEM_WIDE_SRE); project.setPersistentProperty(qn, Boolean.FALSE.toString()); qn = RuntimeEnvironmentPropertyPage .qualify(RuntimeEnvironmentPropertyPage.PROPERTY_NAME_SRE_INSTALL_ID); project.setPersistentProperty(qn, sre.getId()); } } catch (Throwable e) { throw new RuntimeException(e); } return javaProject; } }