Java tutorial
/******************************************************************************* * Copyright (c) 2014 Codenvy, S.A. * 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: * Codenvy, S.A. - initial API and implementation *******************************************************************************/ package com.codenvy.eclipse.ui.wizard.importer; import static com.codenvy.eclipse.core.utils.EclipseProjectHelper.createIProjectFromZipStream; import java.io.File; import java.lang.reflect.InvocationTargetException; import java.util.ArrayList; import java.util.List; import java.util.zip.ZipInputStream; import org.eclipse.core.resources.IProject; import org.eclipse.core.resources.ResourcesPlugin; import org.eclipse.core.runtime.IAdaptable; import org.eclipse.core.runtime.IPath; import org.eclipse.core.runtime.IProgressMonitor; import org.eclipse.jface.dialogs.MessageDialog; import org.eclipse.jface.operation.IRunnableWithProgress; import org.eclipse.jface.viewers.IStructuredSelection; import org.eclipse.jface.wizard.IWizardContainer; import org.eclipse.jface.wizard.IWizardPage; import org.eclipse.jface.wizard.Wizard; import org.eclipse.jface.wizard.WizardDialog; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Display; import org.eclipse.ui.IImportWizard; import org.eclipse.ui.INewWizard; import org.eclipse.ui.IWorkbench; import org.eclipse.ui.IWorkingSet; import org.eclipse.ui.IWorkingSetManager; import org.eclipse.ui.PlatformUI; import com.codenvy.client.model.ProjectReference; import com.codenvy.eclipse.core.CodenvyPlugin; import com.codenvy.eclipse.core.CodenvyProjectMetadata; import com.codenvy.eclipse.ui.wizard.common.CredentialsProviderWizard; import com.codenvy.eclipse.ui.wizard.common.pages.AuthenticationWizardPage; import com.codenvy.eclipse.ui.wizard.importer.pages.ProjectWizardPage; /** * Wizard used to import Codenvy projects from the given Codenvy platform. * * @author Kevin Pollet * @author Stphane Daviet */ public final class ImportProjectFromCodenvyWizard extends Wizard implements IImportWizard, INewWizard, CredentialsProviderWizard { private final AuthenticationWizardPage authenticationWizardPage; private final ProjectWizardPage projectWizardPage; /** * Default constructor. */ public ImportProjectFromCodenvyWizard() { this.authenticationWizardPage = new AuthenticationWizardPage(); this.projectWizardPage = new ProjectWizardPage(); setWindowTitle("Import Codenvy Projects"); setNeedsProgressMonitor(true); } @Override public void init(IWorkbench workbench, IStructuredSelection selection) { } @Override public void addPages() { addPage(authenticationWizardPage); addPage(projectWizardPage); } @Override public void createPageControls(Composite pageContainer) { authenticationWizardPage.createControl(pageContainer); // workspace and project pages are created lazily } @Override public void setContainer(IWizardContainer wizardContainer) { super.setContainer(wizardContainer); if (wizardContainer != null) { final WizardDialog wizardDialog = (WizardDialog) wizardContainer; wizardDialog.addPageChangingListener(authenticationWizardPage); wizardDialog.addPageChangedListener(projectWizardPage); } } @Override public boolean canFinish() { final IWizardPage currentWizardPage = getContainer().getCurrentPage(); return currentWizardPage != null && currentWizardPage.getName().equals(projectWizardPage.getName()) && currentWizardPage.isPageComplete(); } @Override public boolean performFinish() { final String platformURL = getUrl(); final String username = getUsername(); final List<IWorkingSet> workingSets = projectWizardPage.getWorkingSets(); final List<ProjectReference> projects = projectWizardPage.getProjects(); final IWorkbench workbench = PlatformUI.getWorkbench(); try { workbench.getProgressService().run(true, true, new IRunnableWithProgress() { @Override public void run(final IProgressMonitor monitor) throws InvocationTargetException, InterruptedException { monitor.beginTask("Importing projects", projects.size()); final List<IProject> importedProjects = new ArrayList<>(); for (final ProjectReference oneProject : projects) { final IPath workspaceLocation = ResourcesPlugin.getWorkspace().getRoot().getLocation(); final IPath newProjectLocation = workspaceLocation != null ? workspaceLocation.append(oneProject.name()) : null; if (newProjectLocation != null && newProjectLocation.toFile().exists()) { Display.getDefault().syncExec(new Runnable() { @Override public void run() { final String message = "Project with name '" + oneProject.name() + "' exists in workspace, override?"; final boolean override = MessageDialog.openQuestion(getShell(), "Override existing project", message); if (override) { deleteDirectory(newProjectLocation.toFile()); } } }); } if (newProjectLocation == null || !newProjectLocation.toFile().exists()) { final IProject importedProject = importProject(platformURL, username, oneProject, monitor); importedProjects.add(importedProject); } monitor.worked(1); } final IWorkingSetManager workingSetManager = workbench.getWorkingSetManager(); for (IAdaptable importedProject : importedProjects) { workingSetManager.addToWorkingSets(importedProject, workingSets.toArray(new IWorkingSet[workingSets.size()])); } } }); } catch (InvocationTargetException | InterruptedException e) { throw new RuntimeException(e); } return true; } @Override public String getUrl() { return authenticationWizardPage.getURL(); } @Override public String getUsername() { return authenticationWizardPage.getUsername(); } @Override public String getPassword() { return authenticationWizardPage.getPassword(); } @Override public boolean isStoreUserCredentials() { return authenticationWizardPage.isStoreUserCredentials(); } /** * Imports the given Codenvy project into Eclipse. * * @param platformURL the Codenvy platform URL. * @param username the user name. * @param project the Codenvy {@link ProjectReference} to import. * @param monitor the {@link IProgressMonitor}. * @return the imported {@link IProject} reference. */ private IProject importProject(String platformURL, String username, ProjectReference project, IProgressMonitor monitor) { final ZipInputStream zipInputStream = CodenvyPlugin.getDefault().getCodenvyBuilder(platformURL, username) .build().project().exportResources(project, null).execute(); return createIProjectFromZipStream(zipInputStream, new CodenvyProjectMetadata(platformURL, username, project.name(), project.workspaceId()), monitor); } /** * Deletes the given directory and it's sub folders and files. * * @param directory the directory to delete. */ private void deleteDirectory(File directory) { if (directory.isDirectory()) { for (File oneFile : directory.listFiles()) { if (oneFile.isDirectory()) { deleteDirectory(oneFile); } else { oneFile.delete(); } } directory.delete(); } } }