| /******************************************************************************* |
| * Copyright (c) 2007, 2018 Alphonse Van Assche and others. |
| * |
| * This program and the accompanying materials are made |
| * available under the terms of the Eclipse Public License 2.0 |
| * which is available at https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * Alphonse Van Assche - initial API and implementation |
| * Red Hat Inc. - ongoing maintenance |
| *******************************************************************************/ |
| |
| package org.eclipse.linuxtools.internal.rpm.ui.editor.wizards; |
| |
| import java.io.ByteArrayInputStream; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.lang.reflect.InvocationTargetException; |
| import java.nio.file.Files; |
| import java.nio.file.Paths; |
| |
| import org.eclipse.core.resources.IContainer; |
| import org.eclipse.core.resources.IFile; |
| import org.eclipse.core.resources.IResource; |
| import org.eclipse.core.resources.IWorkspaceRoot; |
| import org.eclipse.core.resources.ResourcesPlugin; |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.core.runtime.IStatus; |
| 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.jface.viewers.ISelection; |
| import org.eclipse.jface.viewers.IStructuredSelection; |
| import org.eclipse.jface.wizard.Wizard; |
| import org.eclipse.linuxtools.internal.rpm.ui.editor.Activator; |
| import org.eclipse.linuxtools.internal.rpm.ui.editor.SpecfileLog; |
| import org.eclipse.linuxtools.rpm.ui.editor.wizards.Messages; |
| import org.eclipse.linuxtools.rpm.ui.editor.wizards.SpecfileNewWizardPage; |
| import org.eclipse.ui.INewWizard; |
| import org.eclipse.ui.IWorkbench; |
| import org.eclipse.ui.IWorkbenchPage; |
| import org.eclipse.ui.PartInitException; |
| import org.eclipse.ui.PlatformUI; |
| import org.eclipse.ui.ide.IDE; |
| |
| public class SpecfileNewWizard extends Wizard implements INewWizard { |
| private SpecfileNewWizardPage page; |
| private ISelection selection; |
| |
| /** |
| * Constructor for SpecfileNewWizard. |
| */ |
| public SpecfileNewWizard() { |
| super(); |
| setNeedsProgressMonitor(true); |
| } |
| |
| /** |
| * Adding the page to the wizard. |
| */ |
| @Override |
| public void addPages() { |
| if (!Files.exists(Paths.get("/usr/bin/rpmdev-newspec"))) { //$NON-NLS-1$ |
| addPage(new NoExecutableWizardPage()); |
| } else { |
| page = new SpecfileNewWizardPage(selection); |
| addPage(page); |
| } |
| } |
| |
| /** |
| * This method is called when 'Finish' button is pressed in the wizard. We will |
| * create an operation and run it using wizard as execution context. |
| */ |
| @Override |
| public boolean performFinish() { |
| final String containerName = page.getProjectName(); |
| final String fileName = page.getFileName(); |
| final InputStream contentInputStream = openContentStream(); |
| IRunnableWithProgress op = monitor -> { |
| try { |
| doFinish(containerName, fileName, contentInputStream, monitor); |
| } catch (CoreException e) { |
| throw new InvocationTargetException(e); |
| } finally { |
| monitor.done(); |
| } |
| }; |
| try { |
| getContainer().run(true, false, op); |
| } catch (InterruptedException e) { |
| return false; |
| } catch (InvocationTargetException e) { |
| SpecfileLog.logError(e); |
| Throwable realException = e.getTargetException(); |
| MessageDialog.openError(getShell(), Messages.SpecfileNewWizard_0, realException.getMessage()); |
| return false; |
| } |
| return true; |
| } |
| |
| /** |
| * The worker method. It will find the container, create the file if missing or |
| * just replace its contents, and open the editor on the newly created file. |
| */ |
| private void doFinish(String projectName, String fileName, InputStream contentInputStream, IProgressMonitor monitor) |
| throws CoreException { |
| monitor.beginTask(Messages.SpecfileNewWizard_1 + fileName, 2); |
| IWorkspaceRoot root = ResourcesPlugin.getWorkspace().getRoot(); |
| IResource resource = root.findMember(new Path(projectName)); |
| if (!resource.exists() || !(resource instanceof IContainer)) { |
| throwCoreException(Messages.SpecfileNewWizard_2 + projectName + Messages.SpecfileNewWizard_3); |
| } |
| IContainer container = (IContainer) resource; |
| final IFile file = container.getFile(new Path(fileName)); |
| try { |
| InputStream stream = contentInputStream; |
| if (file.exists()) { |
| file.setContents(stream, true, true, monitor); |
| } else { |
| file.create(stream, true, monitor); |
| } |
| stream.close(); |
| } catch (IOException e) { |
| } |
| monitor.worked(1); |
| monitor.setTaskName(Messages.SpecfileNewWizard_4); |
| getShell().getDisplay().asyncExec(() -> { |
| IWorkbenchPage page = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage(); |
| try { |
| IDE.openEditor(page, file, true); |
| } catch (PartInitException e) { |
| } |
| }); |
| monitor.worked(1); |
| } |
| |
| /** |
| * We will initialize file contents with the modified template text. |
| */ |
| private InputStream openContentStream() { |
| String contents = page.getContent(); |
| return new ByteArrayInputStream(contents.getBytes()); |
| } |
| |
| private void throwCoreException(String message) throws CoreException { |
| IStatus status = new Status(IStatus.ERROR, Activator.PLUGIN_ID, IStatus.OK, message, null); |
| throw new CoreException(status); |
| } |
| |
| /** |
| * We will accept the selection in the workbench to see if we can initialize |
| * from it. |
| * |
| * @see INewWizard#init(IWorkbench, IStructuredSelection) |
| */ |
| @Override |
| public void init(IWorkbench workbench, IStructuredSelection selection) { |
| this.selection = selection; |
| } |
| } |