Examples with OperationCanceledException org.eclipse.core.runtime.OperationCanceledException used on opensource projects

Example 61 with OperationCanceledException

use of org.eclipse.core.runtime.OperationCanceledException in project knime-core by knime.

the class WorkflowEditor method setInput.

/**
 * Sets the editor input, that is, the file that contains the serialized
 * workflow manager.
 *
 * {@inheritDoc}
 */
@Override
protected void setInput(final IEditorInput input) {
    LOGGER.debug("Setting input into editor...");
    super.setInput(input);
    m_origRemoteLocation = null;
    if (input instanceof WorkflowManagerInput) {
        // metanode and subnode
        setWorkflowManagerInput((WorkflowManagerInput) input);
    } else if (input instanceof IURIEditorInput) {
        File wfFile;
        AbstractExplorerFileStore wfFileFileStore = null;
        File mountPointRoot = null;
        URI uri = ((IURIEditorInput) input).getURI();
        if (input instanceof RemoteWorkflowInput) {
            m_origRemoteLocation = ((RemoteWorkflowInput) input).getRemoteOriginalLocation();
        }
        if ("file".equals(uri.getScheme())) {
            wfFile = new File(uri);
            try {
                LocalExplorerFileStore fs = ExplorerFileSystem.INSTANCE.fromLocalFile(wfFile);
                if ((fs == null) || (fs.getContentProvider() == null)) {
                    LOGGER.info("Could not determine mount point root for " + wfFile.getParent() + ", looks like it is a linked resource");
                } else {
                    wfFileFileStore = fs;
                    mountPointRoot = fs.getContentProvider().getFileStore("/").toLocalFile();
                }
            } catch (CoreException ex) {
                LOGGER.warn("Could not determine mount point root for " + wfFile.getParent() + ": " + ex.getMessage(), ex);
            }
        } else if (ExplorerFileSystem.SCHEME.equals(uri.getScheme())) {
            AbstractExplorerFileStore filestore = ExplorerFileSystem.INSTANCE.getStore(uri);
            if (filestore == null) {
                LOGGER.error("Could not find filestore for URI " + uri);
                openErrorDialogAndCloseEditor("Could not find filestore for URI " + uri);
                return;
            }
            wfFileFileStore = filestore;
            try {
                wfFile = filestore.toLocalFile();
            } catch (CoreException ex) {
                LOGGER.error(ex.getMessage(), ex);
                openErrorDialogAndCloseEditor(ex.getMessage());
                return;
            }
            if (wfFile == null) {
                LOGGER.error("URI " + uri + " is not a local workflow");
                openErrorDialogAndCloseEditor("URI " + uri + " is not a local workflow");
                return;
            }
            try {
                mountPointRoot = filestore.getContentProvider().getFileStore("/").toLocalFile();
            } catch (CoreException ex) {
                LOGGER.warn("Could not determine mount point root for " + wfFile.getParent() + ": " + ex.getMessage(), ex);
            }
        } else {
            LOGGER.error("Unsupported scheme for workflow URI: " + uri);
            openErrorDialogAndCloseEditor("Unsupported scheme for workflow URI: " + uri);
            return;
        }
        URI oldFileResource = m_fileResource;
        WorkflowManagerUI oldManager = m_manager;
        final File wfDir = wfFile.getParentFile();
        m_fileResource = wfDir.toURI();
        LOGGER.debug("Resource File's project: " + m_fileResource);
        boolean isEnableAutoSave = true;
        try {
            if (oldManager != null) {
                // doSaveAs called
                assert oldFileResource != null;
                WorkflowManagerUI managerForOldResource = (WorkflowManagerUI) ProjectWorkflowMap.getWorkflowUI(oldFileResource);
                if (m_manager != managerForOldResource) {
                    throw new IllegalStateException(String.format("Cannot set new input for workflow editor " + "as there was already a workflow manager set (old resource: \"%s\", " + "new resource: \"%s\", old manager: \"%s\", manager to old resource: \"%s\"", oldFileResource, m_fileResource, oldManager, managerForOldResource));
                }
                ProjectWorkflowMap.replace(m_fileResource, oldManager, oldFileResource);
                isEnableAutoSave = m_isAutoSaveAllowed;
            } else {
                m_manager = (WorkflowManagerUI) ProjectWorkflowMap.getWorkflowUI(m_fileResource);
            }
            if (m_manager != null) {
                // in case the workflow manager was edited somewhere else
                if (m_manager.isDirty()) {
                    markDirty();
                }
            } else {
                File autoSaveDirectory = WorkflowSaveHelper.getAutoSaveDirectory(new ReferencedFile(wfDir));
                if (autoSaveDirectory.exists()) {
                    if (!autoSaveDirectory.isDirectory() || !autoSaveDirectory.canRead()) {
                        LOGGER.warnWithFormat("Found existing auto-save location to workflow \"%s\" (\"%s\") but %s" + " - disabling auto-save", wfDir.getName(), autoSaveDirectory.getAbsolutePath(), (!autoSaveDirectory.isDirectory() ? "it is not a directory" : "cannot read it"));
                        isEnableAutoSave = false;
                    } else {
                        File parentDir = autoSaveDirectory.getParentFile();
                        String date = DateFormatUtils.format(autoSaveDirectory.lastModified(), "yyyy-MM-dd HH-mm");
                        String newName = wfDir.getName() + " (Auto-Save Copy - " + date + ")";
                        int unique = 1;
                        File restoredAutoSaveDirectory;
                        while ((restoredAutoSaveDirectory = new File(parentDir, newName)).exists()) {
                            newName = wfDir.getName() + " (Auto-Save Copy - " + date + " #" + (unique++) + ")";
                        }
                        // this is the file store object to autoSaveDirectory - if we can resolve it
                        // we use it below in user messages and to do the rename in order to trigger a refresh
                        // in the explorer tree - if we can't resolve it (dunno why) we use java.io.File operation
                        AbstractExplorerFileStore autoSaveDirFileStore = null;
                        AbstractExplorerFileStore restoredAutoSaveDirFileStore = null;
                        if (wfFileFileStore != null) {
                            try {
                                // first parent is workflow dir, parent of that is the workflow group
                                AbstractExplorerFileStore parFS = wfFileFileStore.getParent().getParent();
                                AbstractExplorerFileStore temp = parFS.getChild(autoSaveDirectory.getName());
                                if (autoSaveDirectory.equals(temp.toLocalFile())) {
                                    autoSaveDirFileStore = temp;
                                }
                                restoredAutoSaveDirFileStore = parFS.getChild(newName);
                            } catch (CoreException e) {
                                LOGGER.warn("Unable to resolve parent file store for \"" + wfFileFileStore + "\"", e);
                            }
                        }
                        int action = openQuestionDialogWhenLoadingWorkflowWithAutoSaveCopy(wfDir.getName(), restoredAutoSaveDirectory.getName());
                        final boolean openCopy;
                        switch(action) {
                            case // Open Copy
                            0:
                                openCopy = true;
                                break;
                            case // Open Original
                            1:
                                openCopy = false;
                                break;
                            default:
                                // Cancel
                                String error = "Canceling due to auto-save copy conflict";
                                openErrorDialogAndCloseEditor(error);
                                throw new OperationCanceledException(error);
                        }
                        boolean couldRename = false;
                        if (autoSaveDirFileStore != null) {
                            // preferred way to rename, updates explorer tree
                            try {
                                autoSaveDirFileStore.move(restoredAutoSaveDirFileStore, EFS.NONE, null);
                                couldRename = true;
                            } catch (CoreException e) {
                                String message = "Could not rename auto-save copy\n" + "from\n  " + autoSaveDirFileStore.getMountIDWithFullPath() + "\nto\n  " + newName;
                                LOGGER.error(message, e);
                            }
                        } else {
                            LOGGER.warnWithFormat("Could not resolve explorer file store to \"%s\" - " + "renaming on file system directly", autoSaveDirectory.getAbsolutePath());
                            // just rename on file system and ignore explorer tree
                            couldRename = autoSaveDirectory.renameTo(restoredAutoSaveDirectory);
                        }
                        if (!couldRename) {
                            isEnableAutoSave = false;
                            String message = "Could not rename auto-save copy\n" + "from\n  " + autoSaveDirectory.getAbsolutePath() + "\nto\n  " + restoredAutoSaveDirectory.getAbsolutePath() + "";
                            if (openCopy) {
                                openErrorDialogAndCloseEditor(message);
                                throw new OperationCanceledException(message);
                            } else {
                                MessageDialog.openWarning(Display.getDefault().getActiveShell(), "Auto-Save Rename Problem", message + "\nAuto-Save will be disabled.");
                            }
                        }
                        if (openCopy) {
                            m_fileResource = restoredAutoSaveDirectory.toURI();
                            wfFile = new File(restoredAutoSaveDirectory, wfFile.getName());
                        }
                    }
                }
                IWorkbench wb = PlatformUI.getWorkbench();
                IProgressService ps = wb.getProgressService();
                // this one sets the workflow manager in the editor
                LoadWorkflowRunnable loadWorkflowRunnable = new LoadWorkflowRunnable(this, m_origRemoteLocation != null ? m_origRemoteLocation : uri, wfFile, mountPointRoot);
                ps.busyCursorWhile(loadWorkflowRunnable);
                // non-null if set by workflow runnable above
                if (m_manager == null) {
                    if (loadWorkflowRunnable.hasLoadingBeenCanceled()) {
                        String cancelError = loadWorkflowRunnable.getLoadingCanceledMessage();
                        openErrorDialogAndCloseEditor(cancelError);
                        throw new OperationCanceledException(cancelError);
                    } else if (loadWorkflowRunnable.getThrowable() != null) {
                        throw new RuntimeException(loadWorkflowRunnable.getThrowable());
                    }
                }
                ProjectWorkflowMap.putWorkflowUI(m_fileResource, m_manager);
            }
            if (oldManager == null) {
                // not null if via doSaveAs
                // in any case register as client (also if the workflow was already loaded by another client
                ProjectWorkflowMap.registerClientTo(m_fileResource, this);
            }
        } catch (InterruptedException ie) {
            LOGGER.fatal("Workflow loading thread interrupted", ie);
        } catch (InvocationTargetException e) {
            LOGGER.fatal("Workflow could not be loaded.", e);
        }
        m_isAutoSaveAllowed = m_parentEditor == null && isEnableAutoSave;
        setupAutoSaveSchedule();
        m_manuallySetToolTip = null;
        updatePartName();
        if (getGraphicalViewer() != null) {
            loadProperties();
            updateTempRemoteWorkflowMessage();
        }
        // update Actions, as now there's everything available
        updateActions();
    } else {
        throw new IllegalArgumentException("Unsupported editor input: " + input.getClass());
    }
}

Example 62 with OperationCanceledException

use of org.eclipse.core.runtime.OperationCanceledException in project knime-core by knime.

the class WorkflowVariablesEditDialog method okPressed.

/**
 * {@inheritDoc}
 */
@Override
protected void okPressed() {
    String varName = m_varNameCtrl.getText().trim();
    if (varName.isEmpty()) {
        String msg = "Variable name must not be empty!";
        showError(msg);
        throw new OperationCanceledException(msg);
    }
    String value = m_varDefaultValueCtrl.getText().trim();
    if (value.isEmpty()) {
        String msg = "A default value must be entered!";
        showError(msg);
        throw new OperationCanceledException(msg);
    }
    int selectionIdx = m_typeSelectionCtrl.getSelectionIndex();
    if (selectionIdx < 0) {
        String msg = "No type selected for variable " + varName;
        showError(msg);
        throw new IllegalArgumentException(msg);
    }
    String typeString = m_typeSelectionCtrl.getItem(selectionIdx);
    m_type = FlowVariable.Type.valueOf(typeString);
    if (FlowVariable.Type.DOUBLE.equals(m_type)) {
        try {
            m_variable = new FlowVariable(varName, Double.parseDouble(value));
        } catch (NumberFormatException nfe) {
            m_variable = null;
            String msg = "Invalid default value " + value + " for variable " + varName + "!";
            showError(msg);
            throw new OperationCanceledException(msg);
        }
    } else if (FlowVariable.Type.STRING.equals(m_type)) {
        m_variable = new FlowVariable(varName, value);
    } else if (FlowVariable.Type.INTEGER.equals(m_type)) {
        try {
            m_variable = new FlowVariable(varName, Integer.parseInt(value));
        } catch (NumberFormatException nfe) {
            m_variable = null;
            String msg = "Invalid default value " + value + " for variable " + varName + "!";
            showError(msg);
            throw new OperationCanceledException(msg);
        }
    }
    super.okPressed();
}

Example 63 with OperationCanceledException

use of org.eclipse.core.runtime.OperationCanceledException in project knime-core by knime.

the class WorkflowImportOperation method execute.

/**
 * {@inheritDoc}
 */
@Override
protected void execute(final IProgressMonitor monitor) throws CoreException, InvocationTargetException, InterruptedException {
    ILeveledImportStructureProvider provider = null;
    try {
        monitor.beginTask("", m_workflows.size());
        if (monitor.isCanceled()) {
            throw new OperationCanceledException();
        }
        for (IWorkflowImportElement wf : m_workflows) {
            if (!m_copy) {
                handleLinkedProject(wf, monitor);
            } else {
                provider = handleCopyProject(wf, monitor);
            }
        }
        if (!m_missingMetaInfoLocations.isEmpty()) {
            createMetaInfo();
        }
        // clean up afterwards
        m_missingMetaInfoLocations.clear();
        ResourcesPlugin.getWorkspace().getRoot().refreshLocal(IResource.DEPTH_ZERO, new NullProgressMonitor());
        final IResource result = ResourcesPlugin.getWorkspace().getRoot().findMember(m_targetPath);
        if (result != null) {
            Display.getDefault().syncExec(new Runnable() {

                @Override
                public void run() {
                    KnimeResourceUtil.revealInNavigator(result);
                }
            });
        }
    } catch (CoreException ex) {
        throw ex;
    } catch (InterruptedException ex) {
        throw ex;
    } catch (InvocationTargetException ex) {
        throw ex;
    } catch (Exception ex) {
        throw new InvocationTargetException(ex);
    } finally {
        if (provider != null) {
            ArchiveFileManipulations.closeStructureProvider(provider, m_shell);
        }
        monitor.done();
    }
}

Example 64 with OperationCanceledException

use of org.eclipse.core.runtime.OperationCanceledException in project xtext-core by eclipse.

the class EcoreUtil2 method resolveAll.

/**
 * @see org.eclipse.emf.ecore.util.EcoreUtil#resolveAll(EObject)
 */
public static void resolveAll(EObject eObject, CancelIndicator monitor) {
    resolveCrossReferences(eObject, monitor);
    for (Iterator<EObject> i = eObject.eAllContents(); i.hasNext(); ) {
        if (monitor.isCanceled())
            throw new OperationCanceledException();
        EObject childEObject = i.next();
        resolveCrossReferences(childEObject, monitor);
    }
}

Example 65 with OperationCanceledException

use of org.eclipse.core.runtime.OperationCanceledException in project xtext-core by eclipse.

the class ReferenceFinder method findAllReferences.

@Override
public void findAllReferences(TargetURIs targetURIs, IResourceAccess resourceAccess, IResourceDescriptions indexData, Acceptor acceptor, IProgressMonitor monitor) {
    if (!targetURIs.isEmpty()) {
        Iterable<IResourceDescription> allResourceDescriptions = indexData.getAllResourceDescriptions();
        SubMonitor subMonitor = SubMonitor.convert(monitor, size(allResourceDescriptions) / MONITOR_CHUNK_SIZE + 1);
        IProgressMonitor useMe = subMonitor.newChild(1);
        int i = 0;
        for (IResourceDescription resourceDescription : allResourceDescriptions) {
            if (subMonitor.isCanceled())
                throw new OperationCanceledException();
            IReferenceFinder languageSpecific = getLanguageSpecificReferenceFinder(resourceDescription.getURI());
            languageSpecific.findReferences(targetURIs, resourceDescription, resourceAccess, acceptor, useMe);
            i++;
            if (i % MONITOR_CHUNK_SIZE == 0) {
                useMe = subMonitor.newChild(1);
            }
        }
    }
}