Java tutorial
/* * Copyright (c) 2013-2015 CoNWeT Lab., Universidad Politcnica de Madrid * * This file is part of Wirecloud IDE. * * Wirecloud IDE is free software: you can redistribute it and/or modify * it under the terms of the European Union Public Licence (EUPL) * as published by the European Commission, either version 1.1 * of the License, or (at your option) any later version. * * Wirecloud IDE is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * European Union Public Licence for more details. * * You should have received a copy of the European Union Public Licence * along with Wirecloud IDE. * If not, see <https://joinup.ec.europa.eu/software/page/eupl/licence-eupl>. */ package com.conwet.wirecloud.ide.wizards; import java.io.File; import java.io.IOException; import java.io.InputStream; import java.lang.reflect.InvocationTargetException; import java.net.URI; import java.util.ArrayList; import java.util.Collection; import java.util.HashSet; import java.util.Iterator; import java.util.List; import java.util.Set; import java.util.zip.ZipException; import java.util.zip.ZipFile; import org.eclipse.core.resources.IProject; import org.eclipse.core.resources.IProjectDescription; import org.eclipse.core.resources.IResource; 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.OperationCanceledException; import org.eclipse.core.runtime.Path; import org.eclipse.core.runtime.Platform; import org.eclipse.core.runtime.Status; import org.eclipse.core.runtime.SubProgressMonitor; import org.eclipse.jface.dialogs.Dialog; import org.eclipse.jface.dialogs.ErrorDialog; import org.eclipse.jface.dialogs.IDialogConstants; import org.eclipse.jface.dialogs.IDialogSettings; import org.eclipse.jface.dialogs.MessageDialog; import org.eclipse.jface.layout.PixelConverter; import org.eclipse.jface.operation.IRunnableWithProgress; import org.eclipse.jface.viewers.CheckStateChangedEvent; import org.eclipse.jface.viewers.CheckboxTreeViewer; import org.eclipse.jface.viewers.ICheckStateListener; import org.eclipse.jface.viewers.IColorProvider; import org.eclipse.jface.viewers.IStructuredSelection; import org.eclipse.jface.viewers.ITreeContentProvider; import org.eclipse.jface.viewers.LabelProvider; import org.eclipse.jface.viewers.Viewer; import org.eclipse.jface.viewers.ViewerComparator; import org.eclipse.osgi.util.NLS; import org.eclipse.swt.SWT; import org.eclipse.swt.events.FocusAdapter; import org.eclipse.swt.events.SelectionAdapter; import org.eclipse.swt.events.SelectionEvent; import org.eclipse.swt.events.TraverseEvent; import org.eclipse.swt.events.TraverseListener; import org.eclipse.swt.graphics.Color; import org.eclipse.swt.layout.GridData; import org.eclipse.swt.layout.GridLayout; import org.eclipse.swt.widgets.Button; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.DirectoryDialog; import org.eclipse.swt.widgets.Event; import org.eclipse.swt.widgets.FileDialog; import org.eclipse.swt.widgets.Group; import org.eclipse.swt.widgets.Label; import org.eclipse.swt.widgets.Text; import org.eclipse.ui.actions.WorkspaceModifyOperation; import org.eclipse.ui.dialogs.IOverwriteQuery; import org.eclipse.ui.dialogs.WizardDataTransferPage; import org.eclipse.ui.internal.ide.IDEWorkbenchPlugin; import org.eclipse.ui.internal.ide.StatusUtil; import org.eclipse.ui.statushandlers.StatusManager; import org.eclipse.ui.wizards.datatransfer.FileSystemStructureProvider; import org.eclipse.ui.wizards.datatransfer.ImportOperation; import org.eclipse.wst.common.project.facet.core.IFacetedProject; import org.eclipse.wst.common.project.facet.core.IProjectFacet; import org.eclipse.wst.common.project.facet.core.ProjectFacetsManager; import com.conwet.wirecloud.ide.MACDescription; import com.conwet.wirecloud.ide.MACDescriptionParseException; import com.conwet.wirecloud.ide.importcode.*; import com.conwet.wirecloud.ide.natures.OperatorProjectNature; import com.conwet.wirecloud.ide.natures.WidgetProjectNature; import com.conwet.wirecloud.ide.projects.ProjectSupport; /** * The WizardProjectsImportPage is the page that allows the user to import * projects from a particular location. */ public class WizardProjectsImportPage extends WizardDataTransferPage implements IOverwriteQuery { /** * The name of the folder containing metadata information for the workspace. */ public static final String METADATA_FOLDER = ".metadata"; //$NON-NLS-1$ /** * The file that contains all information of the widget or operator. */ public static final String MAC_DESCRIPTION_FILE = "config.xml"; //$NON-NLS-1$ /** * Messages */ private static final String ImportProjectDescription = "Select an archive file to search for existing Widget/Operator projects."; private static final String ImportProjectWarning = "Project name already exists, please select a valid Widget/Operator project."; /** * The import structure provider. * * @since 3.4 */ private ILeveledImportStructureProvider structureProvider; /** * @since 3.5 * */ private final class ProjectLabelProvider extends LabelProvider implements IColorProvider { public String getText(Object element) { return ((ProjectRecord) element).getProjectLabel(); } public Color getBackground(Object element) { return null; } public Color getForeground(Object element) { ProjectRecord projectRecord = (ProjectRecord) element; if (projectRecord.hasConflicts) return getShell().getDisplay().getSystemColor(SWT.COLOR_GRAY); return null; } } /** * Class declared public only for test suite. * */ public class ProjectRecord { Object resourceDescriptionFile; Object projectDescriptionFile; String projectName; boolean hasConflicts; public MACDescription macDescription = null; public IProjectDescription description = null; ProjectRecord(File file, File projectFile) { resourceDescriptionFile = file; projectDescriptionFile = projectFile; setProjectName(); } /** * Create a record for a project based on the info in the file. * * @param file */ ProjectRecord(Object file, Object projectFile) { resourceDescriptionFile = file; projectDescriptionFile = projectFile; setProjectName(); } /** * Set the name of the project based on the resource description (config.xml). */ private void setProjectName() { try { if (resourceDescriptionFile instanceof File) { try { macDescription = new MACDescription((File) resourceDescriptionFile); } catch (MACDescriptionParseException e) { // Ignore } if (projectDescriptionFile != null) { IPath path = new Path(((File) projectDescriptionFile).getPath()); if (!isDefaultLocation(path)) { try { this.description = IDEWorkbenchPlugin.getPluginWorkspace() .loadProjectDescription(path); } catch (CoreException e) { // Use info from the config.xml file } } } } else { try { macDescription = new MACDescription(structureProvider.getContents(resourceDescriptionFile)); } catch (MACDescriptionParseException e) { // Ignore } if (projectDescriptionFile != null) { InputStream stream = structureProvider.getContents(projectDescriptionFile); if (stream != null) { try { IDEWorkbenchPlugin.getPluginWorkspace().loadProjectDescription(stream); } catch (CoreException e) { // Use info from the config.xml file } } } } if (this.description != null) { projectName = this.description.getName(); } else if (macDescription != null) { projectName = macDescription.name; this.description = IDEWorkbenchPlugin.getPluginWorkspace().newProjectDescription(projectName); } else { IPath path = new Path(((File) resourceDescriptionFile).getPath()); projectName = path.segment(path.segmentCount() - 2); this.description = IDEWorkbenchPlugin.getPluginWorkspace().newProjectDescription(projectName); } } catch (IOException e) { e.printStackTrace(); } } /** * Returns whether the given project description file path is in the * default location for a project * * @param path * The path to examine * @return Whether the given path is the default location for a project */ private boolean isDefaultLocation(IPath path) { // The project description file must at least be within the project, // which is within the workspace location if (path.segmentCount() < 2) { return false; } return path.removeLastSegments(2).toFile().equals(Platform.getLocation().toFile()); } /** * Get the name of the project * * @return String */ public String getProjectName() { return projectName; } /** * Gets the label to be used when rendering this project record in the * UI. * * @return String the label * @since 3.4 */ public String getProjectLabel() { return projectName; } /** * @return Returns the hasConflicts. */ public boolean hasConflicts() { return hasConflicts; } } // dialog store id constants private final static String STORE_COPY_PROJECT_ID = "WizardProjectsImportPage.STORE_COPY_PROJECT_ID"; //$NON-NLS-1$ private final static String STORE_ARCHIVE_SELECTED = "WizardProjectsImportPage.STORE_ARCHIVE_SELECTED"; //$NON-NLS-1$ private Text directoryPathField; private CheckboxTreeViewer projectsList; private Button copyCheckbox; private boolean copyFiles = false; private boolean lastCopyFiles = false; private ProjectRecord[] selectedProjects = new ProjectRecord[0]; // Keep track of the directory that we browsed to last time // the wizard was invoked. private static String previouslyBrowsedDirectory = ""; //$NON-NLS-1$ // Keep track of the archive that we browsed to last time // the wizard was invoked. private static String previouslyBrowsedArchive = ""; //$NON-NLS-1$ private Button projectFromDirectoryRadio; private Button projectFromArchiveRadio; private Text archivePathField; private Button browseDirectoriesButton; private Button browseArchivesButton; private IProject[] wsProjects; // constant from WizardArchiveFileResourceImportPage1 private static final String[] FILE_IMPORT_MASK = { "*.wgt;*.zip;*.tar;*.tar.gz;*.tgz", "*.*" }; //$NON-NLS-1$ //$NON-NLS-2$ // The initial path to set private String initialPath; // The last selected path to minimize searches private String lastPath; // The last time that the file or folder at the selected path was modified // to mimize searches private long lastModified; /** * Creates a new project creation wizard page. * */ public WizardProjectsImportPage() { this("wizardExternalProjectsPage", null, null); //$NON-NLS-1$ } /** * Create a new instance of the receiver. * * @param pageName */ public WizardProjectsImportPage(String pageName) { this(pageName, null, null); } /** * More (many more) parameters. * * @param pageName * @param initialPath * @param currentSelection * @since 3.5 */ public WizardProjectsImportPage(String pageName, String initialPath, IStructuredSelection currentSelection) { super(pageName); this.initialPath = initialPath; setPageComplete(false); setTitle(DataTransferMessages.WizardProjectsImportPage_ImportProjectsTitle); setDescription(ImportProjectDescription); } /* * (non-Javadoc) * * @see * org.eclipse.jface.dialogs.IDialogPage#createControl(org.eclipse.swt.widgets * .Composite) */ public void createControl(Composite parent) { initializeDialogUnits(parent); Composite workArea = new Composite(parent, SWT.NONE); setControl(workArea); workArea.setLayout(new GridLayout()); workArea.setLayoutData( new GridData(GridData.FILL_BOTH | GridData.GRAB_HORIZONTAL | GridData.GRAB_VERTICAL)); createProjectsRoot(workArea); createProjectsList(workArea); createOptionsGroup(workArea); Dialog.applyDialogFont(workArea); } @Override protected void createOptionsGroupButtons(Group optionsGroup) { copyCheckbox = new Button(optionsGroup, SWT.CHECK); copyCheckbox.setText(DataTransferMessages.WizardProjectsImportPage_CopyProjectsIntoWorkspace); copyCheckbox.setLayoutData(new GridData(GridData.FILL_HORIZONTAL)); copyCheckbox.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { copyFiles = copyCheckbox.getSelection(); // need to refresh the project list as projects already // in the workspace directory are treated as conflicts // and should be hidden too projectsList.refresh(true); } }); } /** * Create the checkbox list for the found projects. * * @param workArea */ private void createProjectsList(Composite workArea) { Label title = new Label(workArea, SWT.NONE); title.setText(DataTransferMessages.WizardProjectsImportPage_ProjectsListTitle); Composite listComposite = new Composite(workArea, SWT.NONE); GridLayout layout = new GridLayout(); layout.numColumns = 2; layout.marginWidth = 0; layout.makeColumnsEqualWidth = false; listComposite.setLayout(layout); listComposite.setLayoutData( new GridData(GridData.GRAB_HORIZONTAL | GridData.GRAB_VERTICAL | GridData.FILL_BOTH)); projectsList = new CheckboxTreeViewer(listComposite, SWT.BORDER); GridData gridData = new GridData(SWT.FILL, SWT.FILL, true, true); gridData.widthHint = new PixelConverter(projectsList.getControl()).convertWidthInCharsToPixels(25); gridData.heightHint = new PixelConverter(projectsList.getControl()).convertHeightInCharsToPixels(10); projectsList.getControl().setLayoutData(gridData); projectsList.setContentProvider(new ITreeContentProvider() { /* * (non-Javadoc) * * @see * org.eclipse.jface.viewers.ITreeContentProvider#getChildren(java * .lang.Object) */ public Object[] getChildren(Object parentElement) { return null; } /* * (non-Javadoc) * * @see * org.eclipse.jface.viewers.IStructuredContentProvider#getElements * (java.lang.Object) */ public Object[] getElements(Object inputElement) { return getProjectRecords(); } /* * (non-Javadoc) * * @see * org.eclipse.jface.viewers.ITreeContentProvider#hasChildren(java * .lang.Object) */ public boolean hasChildren(Object element) { return false; } /* * (non-Javadoc) * * @see * org.eclipse.jface.viewers.ITreeContentProvider#getParent(java * .lang.Object) */ public Object getParent(Object element) { return null; } /* * (non-Javadoc) * * @see org.eclipse.jface.viewers.IContentProvider#dispose() */ public void dispose() { } /* * (non-Javadoc) * * @see * org.eclipse.jface.viewers.IContentProvider#inputChanged(org.eclipse * .jface.viewers.Viewer, java.lang.Object, java.lang.Object) */ public void inputChanged(Viewer viewer, Object oldInput, Object newInput) { } }); projectsList.setLabelProvider(new ProjectLabelProvider()); projectsList.addCheckStateListener(new ICheckStateListener() { /* * (non-Javadoc) * * @see * org.eclipse.jface.viewers.ICheckStateListener#checkStateChanged * (org.eclipse.jface.viewers.CheckStateChangedEvent) */ public void checkStateChanged(CheckStateChangedEvent event) { ProjectRecord element = (ProjectRecord) event.getElement(); if (element.hasConflicts) { projectsList.setChecked(element, false); } setPageComplete(projectsList.getCheckedElements().length > 0); } }); projectsList.setInput(this); projectsList.setComparator(new ViewerComparator()); createSelectionButtons(listComposite); } /** * Create the selection buttons in the listComposite. * * @param listComposite */ private void createSelectionButtons(Composite listComposite) { Composite buttonsComposite = new Composite(listComposite, SWT.NONE); GridLayout layout = new GridLayout(); layout.marginWidth = 0; layout.marginHeight = 0; buttonsComposite.setLayout(layout); buttonsComposite.setLayoutData(new GridData(GridData.VERTICAL_ALIGN_BEGINNING)); Button selectAll = new Button(buttonsComposite, SWT.PUSH); selectAll.setText(DataTransferMessages.DataTransfer_selectAll); selectAll.addSelectionListener(new SelectionAdapter() { public void widgetSelected(SelectionEvent e) { for (int i = 0; i < selectedProjects.length; i++) { if (selectedProjects[i].hasConflicts) projectsList.setChecked(selectedProjects[i], false); else projectsList.setChecked(selectedProjects[i], true); } setPageComplete(projectsList.getCheckedElements().length > 0); } }); Dialog.applyDialogFont(selectAll); setButtonLayoutData(selectAll); Button deselectAll = new Button(buttonsComposite, SWT.PUSH); deselectAll.setText(DataTransferMessages.DataTransfer_deselectAll); deselectAll.addSelectionListener(new SelectionAdapter() { /* * (non-Javadoc) * * @see * org.eclipse.swt.events.SelectionAdapter#widgetSelected(org.eclipse * .swt.events.SelectionEvent) */ public void widgetSelected(SelectionEvent e) { projectsList.setCheckedElements(new Object[0]); setPageComplete(false); } }); Dialog.applyDialogFont(deselectAll); setButtonLayoutData(deselectAll); Button refresh = new Button(buttonsComposite, SWT.PUSH); refresh.setText(DataTransferMessages.DataTransfer_refresh); refresh.addSelectionListener(new SelectionAdapter() { /* * (non-Javadoc) * * @see * org.eclipse.swt.events.SelectionAdapter#widgetSelected(org.eclipse * .swt.events.SelectionEvent) */ public void widgetSelected(SelectionEvent e) { if (projectFromDirectoryRadio.getSelection()) { updateProjectsList(directoryPathField.getText().trim()); } else { updateProjectsList(archivePathField.getText().trim()); } } }); Dialog.applyDialogFont(refresh); setButtonLayoutData(refresh); } /** * Create the area where you select the root directory for the projects. * * @param workArea * Composite */ private void createProjectsRoot(Composite workArea) { // project specification group Composite projectGroup = new Composite(workArea, SWT.NONE); GridLayout layout = new GridLayout(); layout.numColumns = 3; layout.makeColumnsEqualWidth = false; layout.marginWidth = 0; projectGroup.setLayout(layout); projectGroup.setLayoutData(new GridData(GridData.FILL_HORIZONTAL)); // new project from directory radio button projectFromDirectoryRadio = new Button(projectGroup, SWT.RADIO); projectFromDirectoryRadio.setText(DataTransferMessages.WizardProjectsImportPage_RootSelectTitle); // project location entry field this.directoryPathField = new Text(projectGroup, SWT.BORDER); GridData directoryPathData = new GridData(GridData.HORIZONTAL_ALIGN_FILL | GridData.GRAB_HORIZONTAL); directoryPathData.widthHint = new PixelConverter(directoryPathField).convertWidthInCharsToPixels(25); directoryPathField.setLayoutData(directoryPathData); // browse button browseDirectoriesButton = new Button(projectGroup, SWT.PUSH); browseDirectoriesButton.setText(DataTransferMessages.DataTransfer_browse); setButtonLayoutData(browseDirectoriesButton); // new project from archive radio button projectFromArchiveRadio = new Button(projectGroup, SWT.RADIO); projectFromArchiveRadio.setText(DataTransferMessages.WizardProjectsImportPage_ArchiveSelectTitle); // project location entry field archivePathField = new Text(projectGroup, SWT.BORDER); GridData archivePathData = new GridData(GridData.HORIZONTAL_ALIGN_FILL | GridData.GRAB_HORIZONTAL); archivePathData.widthHint = new PixelConverter(archivePathField).convertWidthInCharsToPixels(25); archivePathField.setLayoutData(archivePathData); // browse button browseArchivesButton = new Button(projectGroup, SWT.PUSH); browseArchivesButton.setText(DataTransferMessages.DataTransfer_browse); setButtonLayoutData(browseArchivesButton); projectFromDirectoryRadio.setSelection(true); archivePathField.setEnabled(false); browseArchivesButton.setEnabled(false); browseDirectoriesButton.addSelectionListener(new SelectionAdapter() { /* * (non-Javadoc) * * @see org.eclipse.swt.events.SelectionAdapter#widgetS * elected(org.eclipse.swt.events.SelectionEvent) */ public void widgetSelected(SelectionEvent e) { handleLocationDirectoryButtonPressed(); } }); browseArchivesButton.addSelectionListener(new SelectionAdapter() { /* * (non-Javadoc) * * @see * org.eclipse.swt.events.SelectionAdapter#widgetSelected(org.eclipse * .swt.events.SelectionEvent) */ public void widgetSelected(SelectionEvent e) { handleLocationArchiveButtonPressed(); } }); directoryPathField.addTraverseListener(new TraverseListener() { /* * (non-Javadoc) * * @see * org.eclipse.swt.events.TraverseListener#keyTraversed(org.eclipse * .swt.events.TraverseEvent) */ public void keyTraversed(TraverseEvent e) { if (e.detail == SWT.TRAVERSE_RETURN) { e.doit = false; updateProjectsList(directoryPathField.getText().trim()); } } }); directoryPathField.addFocusListener(new FocusAdapter() { /* * (non-Javadoc) * * @see * org.eclipse.swt.events.FocusListener#focusLost(org.eclipse.swt * .events.FocusEvent) */ public void focusLost(org.eclipse.swt.events.FocusEvent e) { updateProjectsList(directoryPathField.getText().trim()); } }); archivePathField.addTraverseListener(new TraverseListener() { /* * (non-Javadoc) * * @see * org.eclipse.swt.events.TraverseListener#keyTraversed(org.eclipse * .swt.events.TraverseEvent) */ public void keyTraversed(TraverseEvent e) { if (e.detail == SWT.TRAVERSE_RETURN) { e.doit = false; updateProjectsList(archivePathField.getText().trim()); } } }); archivePathField.addFocusListener(new FocusAdapter() { /* * (non-Javadoc) * * @see * org.eclipse.swt.events.FocusListener#focusLost(org.eclipse.swt * .events.FocusEvent) */ public void focusLost(org.eclipse.swt.events.FocusEvent e) { updateProjectsList(archivePathField.getText().trim()); } }); projectFromDirectoryRadio.addSelectionListener(new SelectionAdapter() { /* * (non-Javadoc) * * @see * org.eclipse.swt.events.SelectionListener#widgetSelected(org.eclipse * .swt.events.SelectionEvent) */ public void widgetSelected(SelectionEvent e) { directoryRadioSelected(); } }); projectFromArchiveRadio.addSelectionListener(new SelectionAdapter() { /* * (non-Javadoc) * * @see * org.eclipse.swt.events.SelectionListener#widgetSelected(org.eclipse * .swt.events.SelectionEvent) */ public void widgetSelected(SelectionEvent e) { archiveRadioSelected(); } }); } private void archiveRadioSelected() { if (projectFromArchiveRadio.getSelection()) { directoryPathField.setEnabled(false); browseDirectoriesButton.setEnabled(false); archivePathField.setEnabled(true); browseArchivesButton.setEnabled(true); updateProjectsList(archivePathField.getText()); archivePathField.setFocus(); copyCheckbox.setSelection(true); copyCheckbox.setEnabled(false); } } private void directoryRadioSelected() { if (projectFromDirectoryRadio.getSelection()) { directoryPathField.setEnabled(true); browseDirectoriesButton.setEnabled(true); archivePathField.setEnabled(false); browseArchivesButton.setEnabled(false); updateProjectsList(directoryPathField.getText()); directoryPathField.setFocus(); copyCheckbox.setEnabled(true); copyCheckbox.setSelection(copyFiles); } } /* * (non-Javadoc) Method declared on IDialogPage. Set the focus on path * fields when page becomes visible. */ public void setVisible(boolean visible) { super.setVisible(visible); if (visible && this.projectFromDirectoryRadio.getSelection()) { this.directoryPathField.setFocus(); } if (visible && this.projectFromArchiveRadio.getSelection()) { this.archivePathField.setFocus(); } } /** * Update the list of projects based on path. Method declared public only * for test suite. * * @param path */ public void updateProjectsList(final String path) { // on an empty path empty selectedProjects if (path == null || path.length() == 0) { setMessage(ImportProjectDescription); selectedProjects = new ProjectRecord[0]; projectsList.refresh(true); projectsList.setCheckedElements(selectedProjects); setPageComplete(projectsList.getCheckedElements().length > 0); lastPath = path; return; } final File directory = new File(path); long modified = directory.lastModified(); if (path.equals(lastPath) && lastModified == modified && lastCopyFiles == copyFiles) { // since the file/folder was not modified and the path did not // change, no refreshing is required return; } lastPath = path; lastModified = modified; lastCopyFiles = copyFiles; // We can't access the radio button from the inner class so get the // status beforehand final boolean dirSelected = this.projectFromDirectoryRadio.getSelection(); try { getContainer().run(true, true, new IRunnableWithProgress() { /* * (non-Javadoc) * * @see * org.eclipse.jface.operation.IRunnableWithProgress#run(org * .eclipse.core.runtime.IProgressMonitor) */ public void run(IProgressMonitor monitor) { monitor.beginTask(DataTransferMessages.WizardProjectsImportPage_SearchingMessage, 100); selectedProjects = new ProjectRecord[0]; Collection<ProjectRecord> files = new ArrayList<ProjectRecord>(); monitor.worked(10); if (!dirSelected && ArchiveFileManipulations.isTarFile(path)) { TarFile sourceTarFile = getSpecifiedTarSourceFile(path); if (sourceTarFile == null) { return; } structureProvider = new TarLeveledStructureProvider(sourceTarFile); Object child = structureProvider.getRoot(); if (!collectProjectFilesFromProvider(files, child, 0, monitor)) { return; } monitor.worked(50); monitor.subTask(DataTransferMessages.WizardProjectsImportPage_ProcessingMessage); selectedProjects = (ProjectRecord[]) files.toArray(new ProjectRecord[files.size()]); } else if (!dirSelected && ArchiveFileManipulations.isZipFile(path)) { ZipFile sourceFile = getSpecifiedZipSourceFile(path); if (sourceFile == null) { return; } structureProvider = new ZipLeveledStructureProvider(sourceFile); Object child = structureProvider.getRoot(); if (!collectProjectFilesFromProvider(files, child, 0, monitor)) { return; } monitor.worked(50); monitor.subTask(DataTransferMessages.WizardProjectsImportPage_ProcessingMessage); selectedProjects = (ProjectRecord[]) files.toArray(new ProjectRecord[files.size()]); } else if (dirSelected && directory.isDirectory()) { if (!collectProjectFilesFromDirectory(files, directory, null, monitor)) { return; } monitor.worked(50); monitor.subTask(DataTransferMessages.WizardProjectsImportPage_ProcessingMessage); selectedProjects = (ProjectRecord[]) files.toArray(new ProjectRecord[files.size()]); } else { monitor.worked(60); } monitor.done(); } }); } catch (InvocationTargetException e) { IDEWorkbenchPlugin.log(e.getMessage(), e); } catch (InterruptedException e) { // Nothing to do if the user interrupts. } projectsList.refresh(true); ProjectRecord[] projects = getProjectRecords(); boolean displayWarning = false; for (int i = 0; i < projects.length; i++) { if (projects[i].hasConflicts) { displayWarning = true; projectsList.setGrayed(projects[i], true); } else { projectsList.setChecked(projects[i], true); } } if (displayWarning) { setMessage(ImportProjectWarning, WARNING); } else { setMessage(ImportProjectDescription); } setPageComplete(projectsList.getCheckedElements().length > 0); if (selectedProjects.length == 0) { setMessage(DataTransferMessages.WizardProjectsImportPage_noProjectsToImport, WARNING); } } /** * Answer a handle to the zip file currently specified as being the source. * Return null if this file does not exist or is not of valid format. */ private ZipFile getSpecifiedZipSourceFile(String fileName) { if (fileName.length() == 0) { return null; } try { return new ZipFile(fileName); } catch (ZipException e) { displayErrorDialog(DataTransferMessages.ZipImport_badFormat); } catch (IOException e) { displayErrorDialog(DataTransferMessages.ZipImport_couldNotRead); } archivePathField.setFocus(); return null; } /** * Answer a handle to the zip file currently specified as being the source. * Return null if this file does not exist or is not of valid format. */ private TarFile getSpecifiedTarSourceFile(String fileName) { if (fileName.length() == 0) { return null; } try { return new TarFile(fileName); } catch (TarException e) { displayErrorDialog(DataTransferMessages.TarImport_badFormat); } catch (IOException e) { displayErrorDialog(DataTransferMessages.ZipImport_couldNotRead); } archivePathField.setFocus(); return null; } /** * Display an error dialog with the specified message. * * @param message * the error message */ protected void displayErrorDialog(String message) { MessageDialog.open(MessageDialog.ERROR, getContainer().getShell(), getErrorDialogTitle(), message, SWT.SHEET); } /** * Get the title for an error dialog. Subclasses should override. */ protected String getErrorDialogTitle() { return IDEWorkbenchMessages.WizardExportPage_internalErrorTitle; } /** * Collect the list of config.xml files that are under directory into files. * * @param files * @param directory * @param directoriesVisited * Set of canonical paths of directories, used as recursion guard * @param monitor * The monitor to report to * @return boolean <code>true</code> if the operation was completed. */ private boolean collectProjectFilesFromDirectory(Collection<ProjectRecord> files, File directory, Set<String> directoriesVisited, IProgressMonitor monitor) { if (monitor.isCanceled()) { return false; } monitor.subTask( NLS.bind(DataTransferMessages.WizardProjectsImportPage_CheckingMessage, directory.getPath())); File[] contents = directory.listFiles(); if (contents == null) { return false; } // Initialize recursion guard for recursive symbolic links if (directoriesVisited == null) { directoriesVisited = new HashSet<String>(); try { directoriesVisited.add(directory.getCanonicalPath()); } catch (IOException exception) { StatusManager.getManager() .handle(StatusUtil.newStatus(IStatus.ERROR, exception.getLocalizedMessage(), exception)); } } Path directoryPath = new Path(directory.getPath()); File file = new File(directoryPath.append(MAC_DESCRIPTION_FILE).toOSString()); if (file.isFile()) { File projectFile = new File( directoryPath.append(IProjectDescription.DESCRIPTION_FILE_NAME).toOSString()); if (!projectFile.isFile()) { projectFile = null; } files.add(new ProjectRecord(file, projectFile)); // don't search sub-directories since we can't have nested // projects return true; } // no project description found, so recurse into sub-directories for (int i = 0; i < contents.length; i++) { if (contents[i].isDirectory() && !contents[i].getName().equals(METADATA_FOLDER)) { try { String canonicalPath = contents[i].getCanonicalPath(); if (!directoriesVisited.add(canonicalPath)) { // already been here --> do not recurse continue; } } catch (IOException exception) { StatusManager.getManager().handle( StatusUtil.newStatus(IStatus.ERROR, exception.getLocalizedMessage(), exception)); } collectProjectFilesFromDirectory(files, contents[i], directoriesVisited, monitor); } } return true; } /** * Collect the list of config.xml files that are under directory into files. * * @param files * @param monitor * The monitor to report to * @return boolean <code>true</code> if the operation was completed. */ private boolean collectProjectFilesFromProvider(Collection<ProjectRecord> files, Object entry, int level, IProgressMonitor monitor) { if (monitor.isCanceled()) { return false; } monitor.subTask(NLS.bind(DataTransferMessages.WizardProjectsImportPage_CheckingMessage, structureProvider.getLabel(entry))); List children = structureProvider.getChildren(entry); if (children == null) { return false; } Iterator childrenEnum = children.iterator(); Object file = null; Object projectFile = null; while (childrenEnum.hasNext()) { Object child = childrenEnum.next(); String elementLabel = structureProvider.getLabel(child); if (elementLabel.equals(MAC_DESCRIPTION_FILE)) { file = child; } else if (elementLabel.equals(IProjectDescription.DESCRIPTION_FILE_NAME)) { projectFile = child; } } if (file != null) { files.add(new ProjectRecord(file, projectFile)); } // no project description found, so recurse into sub-directories childrenEnum = children.iterator(); while (childrenEnum.hasNext()) { Object child = childrenEnum.next(); String elementLabel = structureProvider.getLabel(child); if (structureProvider.isFolder(child)) { collectProjectFilesFromProvider(files, child, level + 1, monitor); } } return true; } /** * The browse button has been selected. Select the location. */ protected void handleLocationDirectoryButtonPressed() { DirectoryDialog dialog = new DirectoryDialog(directoryPathField.getShell(), SWT.SHEET); dialog.setMessage(DataTransferMessages.WizardProjectsImportPage_SelectDialogTitle); String dirName = directoryPathField.getText().trim(); if (dirName.length() == 0) { dirName = previouslyBrowsedDirectory; } if (dirName.length() == 0) { dialog.setFilterPath(IDEWorkbenchPlugin.getPluginWorkspace().getRoot().getLocation().toOSString()); } else { File path = new File(dirName); if (path.exists()) { dialog.setFilterPath(new Path(dirName).toOSString()); } } String selectedDirectory = dialog.open(); if (selectedDirectory != null) { previouslyBrowsedDirectory = selectedDirectory; directoryPathField.setText(previouslyBrowsedDirectory); updateProjectsList(selectedDirectory); } } /** * The browse button has been selected. Select the location. */ protected void handleLocationArchiveButtonPressed() { FileDialog dialog = new FileDialog(archivePathField.getShell(), SWT.SHEET); dialog.setFilterExtensions(FILE_IMPORT_MASK); dialog.setText(DataTransferMessages.WizardProjectsImportPage_SelectArchiveDialogTitle); String fileName = archivePathField.getText().trim(); if (fileName.length() == 0) { fileName = previouslyBrowsedArchive; } if (fileName.length() == 0) { dialog.setFilterPath(IDEWorkbenchPlugin.getPluginWorkspace().getRoot().getLocation().toOSString()); } else { File path = new File(fileName).getParentFile(); if (path != null && path.exists()) { dialog.setFilterPath(path.toString()); } } String selectedArchive = dialog.open(); if (selectedArchive != null) { previouslyBrowsedArchive = selectedArchive; archivePathField.setText(previouslyBrowsedArchive); updateProjectsList(selectedArchive); } } /** * Create the selected projects * * @return boolean <code>true</code> if all project creations were * successful. */ public boolean createProjects() { // saveWidgetValues(); final Object[] selected = projectsList.getCheckedElements(); createdProjects = new ArrayList<IProject>(); WorkspaceModifyOperation op = new WorkspaceModifyOperation() { protected void execute(IProgressMonitor monitor) throws InvocationTargetException, InterruptedException { try { monitor.beginTask("", selected.length); //$NON-NLS-1$ if (monitor.isCanceled()) { throw new OperationCanceledException(); } for (int i = 0; i < selected.length; i++) { createExistingProject((ProjectRecord) selected[i], new SubProgressMonitor(monitor, 1)); } } finally { monitor.done(); } } }; // run the new project creation operation try { getContainer().run(true, true, op); } catch (InterruptedException e) { return false; } catch (InvocationTargetException e) { // one of the steps resulted in a core exception Throwable t = e.getTargetException(); String message = DataTransferMessages.WizardExternalProjectImportPage_errorMessage; IStatus status; if (t instanceof CoreException) { status = ((CoreException) t).getStatus(); } else { status = new Status(IStatus.ERROR, IDEWorkbenchPlugin.IDE_WORKBENCH, 1, message, t); } ErrorDialog.openError(getShell(), message, null, status); return false; } ArchiveFileManipulations.closeStructureProvider(structureProvider, getShell()); return true; } List<IProject> createdProjects; /** * Performs clean-up if the user cancels the wizard without doing anything */ public void performCancel() { ArchiveFileManipulations.closeStructureProvider(structureProvider, getShell()); } /** * Create the project described in record. If it is successful return true. * * @param record * @return boolean <code>true</code> if successful * @throws InterruptedException */ private boolean createExistingProject(final ProjectRecord record, IProgressMonitor monitor) throws InvocationTargetException, InterruptedException { String projectName = record.getProjectName(); final IWorkspace workspace = ResourcesPlugin.getWorkspace(); final IProject project = workspace.getRoot().getProject(projectName); createdProjects.add(project); if (!(record.resourceDescriptionFile instanceof File)) { // import from archive ImportOperation operation = new ImportOperation(project.getFullPath(), structureProvider.getRoot(), structureProvider, null); operation.setContext(getShell()); operation.run(monitor); prepareProject(record); try { project.open(IResource.BACKGROUND_REFRESH, new SubProgressMonitor(monitor, 70)); } catch (CoreException e) { throw new InvocationTargetException(e); } finally { monitor.done(); } return true; } // import from file system File importSource = null; if (copyFiles) { // import project from location copying files - use default project // location for this workspace URI locationURI = new File(((File) record.resourceDescriptionFile).getParent()).toURI(); if (locationURI != null) { IStatus result = ResourcesPlugin.getWorkspace().validateProjectLocationURI(project, locationURI); if (!result.isOK()) { throw new InvocationTargetException(new CoreException(result)); } importSource = new File(locationURI); IProjectDescription desc = workspace.newProjectDescription(projectName); desc.setBuildSpec(record.description.getBuildSpec()); desc.setComment(record.description.getComment()); desc.setDynamicReferences(record.description.getDynamicReferences()); desc.setNatureIds(record.description.getNatureIds()); desc.setReferencedProjects(record.description.getReferencedProjects()); record.description = desc; } } else { IPath locationPath = new Path(((File) record.resourceDescriptionFile).getParent()); record.description.setLocation(locationPath); } try { monitor.beginTask(DataTransferMessages.WizardProjectsImportPage_CreateProjectsTask, 100); project.create(record.description, new SubProgressMonitor(monitor, 30)); prepareProject(record); project.open(IResource.BACKGROUND_REFRESH, new SubProgressMonitor(monitor, 70)); } catch (CoreException e) { throw new InvocationTargetException(e); } finally { monitor.done(); } // import operation to import project files if copy checkbox is selected if (copyFiles && importSource != null) { List filesToImport = FileSystemStructureProvider.INSTANCE.getChildren(importSource); ImportOperation operation = new ImportOperation(project.getFullPath(), importSource, FileSystemStructureProvider.INSTANCE, this, filesToImport); operation.setContext(getShell()); operation.setOverwriteResources(true); // need to overwrite // .project, .classpath // files operation.setCreateContainerStructure(false); operation.run(monitor); } return true; } /** * The <code>WizardDataTransfer</code> implementation of this * <code>IOverwriteQuery</code> method asks the user whether the existing * resource at the given path should be overwritten. * * @param pathString * @return the user's reply: one of <code>"YES"</code>, <code>"NO"</code>, * <code>"ALL"</code>, or <code>"CANCEL"</code> */ public String queryOverwrite(String pathString) { Path path = new Path(pathString); String messageString; // Break the message up if there is a file name and a directory // and there are at least 2 segments. if (path.getFileExtension() == null || path.segmentCount() < 2) { messageString = NLS.bind(IDEWorkbenchMessages.WizardDataTransfer_existsQuestion, pathString); } else { messageString = NLS.bind(IDEWorkbenchMessages.WizardDataTransfer_overwriteNameAndPathQuestion, path.lastSegment(), path.removeLastSegments(1).toOSString()); } final MessageDialog dialog = new MessageDialog(getContainer().getShell(), IDEWorkbenchMessages.Question, null, messageString, MessageDialog.QUESTION, new String[] { IDialogConstants.YES_LABEL, IDialogConstants.YES_TO_ALL_LABEL, IDialogConstants.NO_LABEL, IDialogConstants.NO_TO_ALL_LABEL, IDialogConstants.CANCEL_LABEL }, 0) { protected int getShellStyle() { return super.getShellStyle() | SWT.SHEET; } }; String[] response = new String[] { YES, ALL, NO, NO_ALL, CANCEL }; // run in syncExec because callback is from an operation, // which is probably not running in the UI thread. getControl().getDisplay().syncExec(new Runnable() { public void run() { dialog.open(); } }); return dialog.getReturnCode() < 0 ? CANCEL : response[dialog.getReturnCode()]; } /** * Method used for test suite. * * @return Button the Import from Directory RadioButton */ public Button getProjectFromDirectoryRadio() { return projectFromDirectoryRadio; } /** * Method used for test suite. * * @return CheckboxTreeViewer the viewer containing all the projects found */ public CheckboxTreeViewer getProjectsList() { return projectsList; } /** * Retrieve all the projects in the current workspace. * * @return IProject[] array of IProject in the current workspace */ private IProject[] getProjectsInWorkspace() { if (wsProjects == null) { wsProjects = IDEWorkbenchPlugin.getPluginWorkspace().getRoot().getProjects(); } return wsProjects; } /** * Get the array of project records that can be imported from the * source workspace or archive, selected by the user. If a project with the * same name exists in both the source workspace and the current workspace, * then the hasConflicts flag would be set on that project record. * * Method declared public for test suite. * * @return ProjectRecord[] array of projects that can be imported into the * workspace */ public ProjectRecord[] getProjectRecords() { List<ProjectRecord> projectRecords = new ArrayList<ProjectRecord>(); for (int i = 0; i < selectedProjects.length; i++) { if ((isProjectInWorkspacePath(selectedProjects[i].getProjectName()) && copyFiles) || isProjectInWorkspace(selectedProjects[i].getProjectName())) { selectedProjects[i].hasConflicts = true; } projectRecords.add(selectedProjects[i]); } return (ProjectRecord[]) projectRecords.toArray(new ProjectRecord[projectRecords.size()]); } /** * Determine if there is a directory with the project name in the workspace path. * * @param projectName the name of the project * @return true if there is a directory with the same name of the imported project */ private boolean isProjectInWorkspacePath(String projectName) { final IWorkspace workspace = IDEWorkbenchPlugin.getPluginWorkspace(); IPath wsPath = workspace.getRoot().getLocation(); IPath localProjectPath = wsPath.append(projectName); return localProjectPath.toFile().exists(); } /** * Determine if the project with the given name is in the current workspace. * * @param projectName * String the project name to check * @return boolean true if the project with the given name is in this * workspace */ private boolean isProjectInWorkspace(String projectName) { if (projectName == null) { return false; } IProject[] workspaceProjects = getProjectsInWorkspace(); for (int i = 0; i < workspaceProjects.length; i++) { if (projectName.equals(workspaceProjects[i].getName())) { return true; } } return false; } /** * Use the dialog store to restore widget values to the values that they * held last time this wizard was used to completion, or alternatively, * if an initial path is specified, use it to select values. * * Method declared public only for use of tests. */ public void restoreWidgetValues() { // First, check to see if we have resore settings, and // take care of the checkbox IDialogSettings settings = getDialogSettings(); if (settings != null) { // checkbox copyFiles = settings.getBoolean(STORE_COPY_PROJECT_ID); copyCheckbox.setSelection(copyFiles); lastCopyFiles = copyFiles; } // Second, check to see if we don't have an initial path, // and if we do have restore settings. If so, set the // radio selection properly to restore settings if (initialPath == null && settings != null) { // radio selection boolean archiveSelected = settings.getBoolean(STORE_ARCHIVE_SELECTED); projectFromDirectoryRadio.setSelection(!archiveSelected); projectFromArchiveRadio.setSelection(archiveSelected); if (archiveSelected) { archiveRadioSelected(); } else { directoryRadioSelected(); } } // Third, if we do have an initial path, set the proper // path and radio buttons to the initial value. Move // cursor to the end of the path so user can see the // most relevant part (directory / archive name) else if (initialPath != null) { boolean dir = new File(initialPath).isDirectory(); projectFromDirectoryRadio.setSelection(dir); projectFromArchiveRadio.setSelection(!dir); if (dir) { directoryPathField.setText(initialPath); directoryPathField.setSelection(initialPath.length()); directoryRadioSelected(); } else { archivePathField.setText(initialPath); archivePathField.setSelection(initialPath.length()); archiveRadioSelected(); } } } /** * Since Finish was pressed, write widget values to the dialog store so that * they will persist into the next invocation of this wizard page. * * Method declared public only for use of tests. */ public void saveWidgetValues() { IDialogSettings settings = getDialogSettings(); if (settings != null) { settings.put(STORE_COPY_PROJECT_ID, copyCheckbox.getSelection()); settings.put(STORE_ARCHIVE_SELECTED, projectFromArchiveRadio.getSelection()); } } public void prepareProject(ProjectRecord record) throws InvocationTargetException { IProject project = ResourcesPlugin.getWorkspace().getRoot().getProject(record.getProjectName()); IFacetedProject facetedProject; try { facetedProject = ProjectFacetsManager.create(project, true, null); // Install JavaScript and MAC facets Set<IProjectFacet> facets = new HashSet<>(facetedProject.getFixedProjectFacets()); IProjectFacet jsFacet = ProjectFacetsManager.getProjectFacet("wst.jsdt.web"); facets.add(jsFacet); facetedProject.installProjectFacet(jsFacet.getDefaultVersion(), null, null); facetedProject.setFixedProjectFacets(facets); IProjectFacet macFacet = ProjectFacetsManager.getProjectFacet("com.conwet.applicationmashup.mac"); facetedProject.installProjectFacet(macFacet.getDefaultVersion(), null, null); facets.add(jsFacet); facets.add(macFacet); facetedProject.setFixedProjectFacets(facets); // Install widget or operator nature if (record.macDescription != null) { switch (record.macDescription.type) { case "widget": ProjectSupport.addNature(project, WidgetProjectNature.NATURE_ID); break; case "operator": ProjectSupport.addNature(project, OperatorProjectNature.NATURE_ID); } } } catch (CoreException e) { throw new InvocationTargetException(e); } } /** * Method used for test suite. * * @return Button copy checkbox */ public Button getCopyCheckbox() { return copyCheckbox; } @Override public void handleEvent(Event event) { } @Override protected boolean allowNewContainerName() { return true; } }