Java tutorial
/* * Copyright 2012 Google Inc. * * Licensed under the Eclipse Public License v1.0 (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.eclipse.org/legal/epl-v10.html * * 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 com.google.dart.tools.ui.internal.projects; import com.google.dart.tools.core.DartCore; import com.google.dart.tools.core.generator.ApplicationGenerator; import com.google.dart.tools.core.generator.DartIdentifierUtil; import com.google.dart.tools.core.internal.util.ResourceUtil; import com.google.dart.tools.core.utilities.resource.IProjectUtilities; import com.google.dart.tools.ui.DartToolsPlugin; import com.google.dart.tools.ui.internal.projects.NewApplicationCreationPage.ProjectType; import org.eclipse.core.commands.ExecutionException; import org.eclipse.core.commands.operations.AbstractOperation; import org.eclipse.core.resources.ICommand; import org.eclipse.core.resources.IFile; import org.eclipse.core.resources.IFolder; import org.eclipse.core.resources.IProject; import org.eclipse.core.resources.IProjectDescription; import org.eclipse.core.resources.IResource; import org.eclipse.core.resources.IResourceStatus; import org.eclipse.core.resources.IWorkspace; import org.eclipse.core.resources.ResourcesPlugin; import org.eclipse.core.runtime.CoreException; 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.Path; import org.eclipse.core.runtime.Status; import org.eclipse.jface.dialogs.MessageDialog; import org.eclipse.jface.operation.IRunnableWithProgress; import org.eclipse.osgi.util.NLS; import org.eclipse.swt.SWT; import org.eclipse.ui.PartInitException; import org.eclipse.ui.ide.IDE; import org.eclipse.ui.ide.undo.CreateFolderOperation; import org.eclipse.ui.ide.undo.CreateProjectOperation; import org.eclipse.ui.ide.undo.WorkspaceUndoUtil; import org.eclipse.ui.internal.ide.IDEWorkbenchMessages; import org.eclipse.ui.internal.ide.IDEWorkbenchPlugin; import org.eclipse.ui.internal.ide.StatusUtil; import org.eclipse.ui.internal.wizards.newresource.ResourceMessages; import org.eclipse.ui.statushandlers.IStatusAdapterConstants; import org.eclipse.ui.statushandlers.StatusAdapter; import org.eclipse.ui.statushandlers.StatusManager; import org.eclipse.ui.wizards.newresource.BasicNewResourceWizard; import java.lang.reflect.InvocationTargetException; import java.net.URI; /** * Create project wizard. */ @SuppressWarnings("restriction") public class CreateApplicationWizard extends BasicNewResourceWizard { private NewApplicationCreationPage page; private IFile createdFile; private IProject newProject; @Override public void addPages() { addPage(page = new NewApplicationCreationPage()); } @Override public boolean performFinish() { IPath locationPath = new Path(page.getLocationURI().getPath()); DartToolsPlugin.getDefault().getDialogSettingsSection(NewApplicationCreationPage.NEW_APPPLICATION_SETTINGS) .put(NewApplicationCreationPage.PARENT_DIR, locationPath.removeLastSegments(1).toPortableString()); if (isNestedByAnExistingProject(locationPath)) { createFolder(locationPath); } else { createNewProject(); } if (newProject == null) { return false; } if (createdFile != null) { selectAndReveal(createdFile); try { IDE.openEditor(getWorkbench().getActiveWorkbenchWindow().getActivePage(), createdFile); } catch (PartInitException e) { DartToolsPlugin.log(e); } } else { selectAndReveal(newProject); } return true; } private void createFolder(IPath path) { final ProjectType projectType = page.getProjectType(); final boolean hasPubSupport = page.hasPubSupport(); IPath containerPath = path.removeLastSegments(1); IResource container = ResourceUtil.getResource(containerPath.toFile()); IPath newFolderPath = container.getFullPath().append(path.lastSegment()); final IFolder newFolderHandle = IDEWorkbenchPlugin.getPluginWorkspace().getRoot().getFolder(newFolderPath); IRunnableWithProgress op = new IRunnableWithProgress() { @Override public void run(IProgressMonitor monitor) throws InvocationTargetException { AbstractOperation op; op = new CreateFolderOperation(newFolderHandle, null, IDEWorkbenchMessages.WizardNewFolderCreationPage_title); try { IStatus status = op.execute(monitor, WorkspaceUndoUtil.getUIInfoAdapter(getShell())); if (status.isOK() && projectType != ProjectType.NONE) { createdFile = createProjectContent(newProject, newFolderHandle.getLocation().toOSString(), newFolderHandle.getName(), projectType, hasPubSupport); } } catch (ExecutionException e) { throw new InvocationTargetException(e); } catch (CoreException e) { throw new InvocationTargetException(e); } } }; try { getContainer().run(true, true, op); } catch (InterruptedException e) { } catch (InvocationTargetException e) { // ExecutionExceptions are handled above, but unexpected runtime // exceptions and errors may still occur. IDEWorkbenchPlugin.log(getClass(), "createNewFolder()", e.getTargetException()); //$NON-NLS-1$ MessageDialog.open(MessageDialog.ERROR, getContainer().getShell(), IDEWorkbenchMessages.WizardNewFolderCreationPage_internalErrorTitle, NLS.bind(IDEWorkbenchMessages.WizardNewFolder_internalError, e.getTargetException().getMessage()), SWT.SHEET); } newProject = newFolderHandle.getProject(); } /** * Creates a new project resource with the selected name. * <p> * In normal usage, this method is invoked after the user has pressed Finish on the wizard; the * enablement of the Finish button implies that all controls on the pages currently contain valid * values. * </p> * <p> * Note that this wizard caches the new project once it has been successfully created; subsequent * invocations of this method will answer the same project resource without attempting to create * it again. * </p> * * @return the created project resource, or <code>null</code> if the project was not created */ private IProject createNewProject() { if (newProject != null) { return newProject; } // get a project handle final IProject newProjectHandle = page.getProjectHandle(); final ProjectType projectType = page.getProjectType(); final boolean hasPubSupport = page.hasPubSupport(); // get a project descriptor URI location = page.getLocationURI(); final IProjectDescription description = createProjectDescription(newProjectHandle, location); // create the new project operation IRunnableWithProgress op = new IRunnableWithProgress() { @Override public void run(IProgressMonitor monitor) throws InvocationTargetException { CreateProjectOperation op = new CreateProjectOperation(description, ResourceMessages.NewProject_windowTitle); try { IStatus status = op.execute(monitor, WorkspaceUndoUtil.getUIInfoAdapter(getShell())); if (status.isOK() && projectType != ProjectType.NONE) { createdFile = createProjectContent(newProjectHandle, newProjectHandle.getLocation().toOSString(), newProjectHandle.getName(), projectType, hasPubSupport); } } catch (ExecutionException e) { throw new InvocationTargetException(e); } catch (CoreException e) { throw new InvocationTargetException(e); } } }; try { getContainer().run(true, true, op); } catch (InterruptedException e) { return null; } catch (InvocationTargetException e) { Throwable t = e.getTargetException(); if (t instanceof ExecutionException && t.getCause() instanceof CoreException) { CoreException cause = (CoreException) t.getCause(); StatusAdapter status; if (cause.getStatus().getCode() == IResourceStatus.CASE_VARIANT_EXISTS) { status = new StatusAdapter(StatusUtil.newStatus(IStatus.WARNING, NLS .bind(ResourceMessages.NewProject_caseVariantExistsError, newProjectHandle.getName()), cause)); } else { status = new StatusAdapter(StatusUtil.newStatus(cause.getStatus().getSeverity(), ResourceMessages.NewProject_errorMessage, cause)); } status.setProperty(IStatusAdapterConstants.TITLE_PROPERTY, ResourceMessages.NewProject_errorMessage); StatusManager.getManager().handle(status, StatusManager.BLOCK); } else { StatusAdapter status = new StatusAdapter( new Status(IStatus.WARNING, IDEWorkbenchPlugin.IDE_WORKBENCH, 0, NLS.bind(ResourceMessages.NewProject_internalError, t.getMessage()), t)); status.setProperty(IStatusAdapterConstants.TITLE_PROPERTY, ResourceMessages.NewProject_errorMessage); StatusManager.getManager().handle(status, StatusManager.LOG | StatusManager.BLOCK); } return null; } newProject = newProjectHandle; return newProject; } /** * Create a ProjectType.WEB project or a ProjectType.SERVER project. * * @param project * @param projectType * @throws CoreException */ private IFile createProjectContent(IProject project, String location, String name, ProjectType projectType, boolean hasPubSupport) throws CoreException { IProjectUtilities.configurePackagesFilter(project); ApplicationGenerator generator = new ApplicationGenerator(project); generator.setApplicationLocation(location); generator.setApplicationName(DartIdentifierUtil.createValidIdentifier(name)); generator.setWebApplication(projectType == ProjectType.WEB); generator.setHasPubSupport(hasPubSupport); generator.execute(new NullProgressMonitor()); return generator.getFile(); } private IProjectDescription createProjectDescription(IProject project, URI location) { IWorkspace workspace = ResourcesPlugin.getWorkspace(); IProjectDescription description = workspace.newProjectDescription(project.getName()); description.setLocationURI(location); description.setNatureIds(new String[] { DartCore.DART_PROJECT_NATURE }); ICommand command = description.newCommand(); command.setBuilderName(DartCore.DART_BUILDER_ID); description.setBuildSpec(new ICommand[] { command }); return description; } private boolean isNestedByAnExistingProject(IPath path) { for (IProject project : ResourcesPlugin.getWorkspace().getRoot().getProjects()) { IPath location = project.getLocation(); if (location.isPrefixOf(path)) { newProject = project; return true; } } return false; } }