| /******************************************************************************* |
| * Copyright (c) 2013, 2015 Tasktop Technologies and others. |
| * 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: |
| * Tasktop Technologies - initial API and implementation |
| *******************************************************************************/ |
| |
| package org.eclipse.mylyn.internal.tasks.ui.util; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.lang.reflect.Field; |
| |
| import org.eclipse.core.runtime.Assert; |
| import org.eclipse.core.runtime.IAdaptable; |
| import org.eclipse.core.runtime.IConfigurationElement; |
| import org.eclipse.core.runtime.IExtension; |
| import org.eclipse.core.runtime.IExtensionPoint; |
| import org.eclipse.core.runtime.IExtensionRegistry; |
| import org.eclipse.core.runtime.ISafeRunnable; |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.core.runtime.Platform; |
| import org.eclipse.core.runtime.SafeRunner; |
| import org.eclipse.core.runtime.Status; |
| import org.eclipse.jface.resource.ImageDescriptor; |
| import org.eclipse.mylyn.commons.core.StatusHandler; |
| import org.eclipse.mylyn.commons.ui.CommonImages; |
| import org.eclipse.mylyn.internal.tasks.core.util.ContributorBlackList; |
| import org.eclipse.mylyn.internal.tasks.ui.BrandManager; |
| import org.eclipse.mylyn.internal.tasks.ui.TasksUiPlugin; |
| import org.eclipse.mylyn.tasks.core.AbstractRepositoryConnector; |
| import org.eclipse.mylyn.tasks.core.spi.RepositoryConnectorBranding; |
| import org.eclipse.mylyn.tasks.ui.AbstractRepositoryConnectorUi; |
| import org.eclipse.mylyn.tasks.ui.TasksUi; |
| import org.eclipse.osgi.util.NLS; |
| import org.eclipse.swt.graphics.Image; |
| import org.eclipse.swt.graphics.ImageData; |
| import org.eclipse.ui.plugin.AbstractUIPlugin; |
| |
| public class RepositoryConnectorUiExtensionReader { |
| |
| private static final String EXTENSION_REPOSITORIES = "org.eclipse.mylyn.tasks.ui.repositories"; //$NON-NLS-1$ |
| |
| public static final String ELMNT_REPOSITORY_UI = "connectorUi"; //$NON-NLS-1$ |
| |
| private static final String ATTR_BRANDING_ICON = "brandingIcon"; //$NON-NLS-1$ |
| |
| private static final String ATTR_OVERLAY_ICON = "overlayIcon"; //$NON-NLS-1$ |
| |
| private static final String ATTR_CLASS = "class"; //$NON-NLS-1$ |
| |
| private final IExtensionRegistry registry; |
| |
| /** |
| * Plug-in ids of connector extensions that failed to load. |
| */ |
| private final ContributorBlackList blackList; |
| |
| public RepositoryConnectorUiExtensionReader(IExtensionRegistry registry, ContributorBlackList blackList) { |
| Assert.isNotNull(registry); |
| Assert.isNotNull(blackList); |
| this.registry = registry; |
| this.blackList = blackList; |
| } |
| |
| public void registerConnectorUis() { |
| registerFromExtensionPoint(); |
| registerFromAdaptable(); |
| registerConnetorToConnectorUi(); |
| } |
| |
| private void registerConnetorToConnectorUi() { |
| for (AbstractRepositoryConnector connector : TasksUi.getRepositoryManager().getRepositoryConnectors()) { |
| AbstractRepositoryConnectorUi connectorUi = TasksUiPlugin.getConnectorUi(connector.getConnectorKind()); |
| if (connectorUi != null) { |
| setConnectorForConnectorUi(connector, connectorUi); |
| } |
| } |
| } |
| |
| private void registerFromAdaptable() { |
| for (AbstractRepositoryConnector connector : TasksUi.getRepositoryManager().getRepositoryConnectors()) { |
| if (TasksUiPlugin.getConnectorUi(connector.getConnectorKind()) == null) { |
| registerFromAdaptable(connector); |
| } |
| } |
| } |
| |
| private void registerFromAdaptable(final AbstractRepositoryConnector connector) { |
| SafeRunner.run(new ISafeRunnable() { |
| @Override |
| public void run() throws Exception { |
| AbstractRepositoryConnectorUi connectorUi = loadAdapter(connector, AbstractRepositoryConnectorUi.class); |
| if (connectorUi != null) { |
| TasksUiPlugin.getDefault().addRepositoryConnectorUi(connectorUi); |
| } |
| |
| RepositoryConnectorBranding branding = loadAdapter(connector, RepositoryConnectorBranding.class); |
| if (branding != null) { |
| addDefaultImageData(connector, branding); |
| addBranding(connector.getConnectorKind(), branding); |
| } |
| } |
| |
| protected void addDefaultImageData(final AbstractRepositoryConnector connector, |
| RepositoryConnectorBranding branding) throws IOException { |
| InputStream brandingImageData = branding.getBrandingImageData(); |
| if (brandingImageData != null) { |
| try { |
| ((BrandManager) TasksUiPlugin.getDefault().getBrandManager()).addDefaultBrandingIcon( |
| connector.getConnectorKind(), getImage(brandingImageData)); |
| } finally { |
| closeQuietly(brandingImageData); |
| } |
| } |
| InputStream overlayImageData = branding.getOverlayImageData(); |
| if (overlayImageData != null) { |
| try { |
| ((BrandManager) TasksUiPlugin.getDefault().getBrandManager()).addDefaultOverlayIcon( |
| connector.getConnectorKind(), getImageDescriptor(overlayImageData)); |
| } finally { |
| closeQuietly(brandingImageData); |
| } |
| } |
| } |
| |
| @Override |
| public void handleException(Throwable e) { |
| StatusHandler.log(new Status(IStatus.ERROR, TasksUiPlugin.ID_PLUGIN, NLS.bind( |
| "Loading of connector ui for kind ''{0}'' failed.", connector.getConnectorKind()), e)); //$NON-NLS-1$ |
| } |
| }); |
| } |
| |
| protected void addBranding(final String connectorKind, RepositoryConnectorBranding branding) throws IOException { |
| BrandManager brandManager = (BrandManager) TasksUiPlugin.getDefault().getBrandManager(); |
| for (String brand : branding.getBrands()) { |
| if (brand == null) { |
| continue; |
| } |
| try { |
| String connectorLabel = branding.getConnectorLabel(brand); |
| if (connectorLabel != null) { |
| brandManager.addConnectorLabel(connectorKind, brand, connectorLabel); |
| } |
| |
| InputStream brandingImageData = branding.getBrandingImageData(brand); |
| if (brandingImageData != null) { |
| try { |
| brandManager.addBrandingIcon(connectorKind, brand, getImage(brandingImageData)); |
| } finally { |
| closeQuietly(brandingImageData); |
| } |
| } |
| |
| InputStream overlayImageData = branding.getOverlayImageData(brand); |
| if (overlayImageData != null) { |
| try { |
| brandManager.addOverlayIcon(connectorKind, brand, getImageDescriptor(overlayImageData)); |
| } finally { |
| closeQuietly(brandingImageData); |
| } |
| } |
| } catch (Exception e) { |
| StatusHandler.log(new Status(IStatus.ERROR, TasksUiPlugin.ID_PLUGIN, NLS.bind( |
| "Loading of brand '{0}' for kind '{1}' failed.", brand, connectorKind), e)); //$NON-NLS-1$ |
| } |
| } |
| } |
| |
| private void closeQuietly(InputStream in) { |
| try { |
| in.close(); |
| } catch (IOException e) { |
| // ignore |
| } |
| } |
| |
| @SuppressWarnings("unchecked") |
| public <T> T loadAdapter(final AbstractRepositoryConnector connector, Class<T> klass) { |
| T adapter = null; |
| if (connector instanceof IAdaptable) { |
| adapter = (T) ((IAdaptable) connector).getAdapter(klass); |
| } |
| if (adapter == null) { |
| adapter = (T) Platform.getAdapterManager().loadAdapter(connector, klass.getName()); |
| } |
| return adapter; |
| } |
| |
| private ImageDescriptor getImageDescriptor(InputStream in) { |
| return ImageDescriptor.createFromImageData(new ImageData(in)); |
| } |
| |
| private Image getImage(InputStream in) { |
| return CommonImages.getImage(getImageDescriptor(in)); |
| } |
| |
| private void registerFromExtensionPoint() { |
| IExtensionPoint repositoriesExtensionPoint = registry.getExtensionPoint(EXTENSION_REPOSITORIES); |
| IExtension[] repositoryExtensions = repositoriesExtensionPoint.getExtensions(); |
| for (IExtension repositoryExtension : repositoryExtensions) { |
| IConfigurationElement[] elements = repositoryExtension.getConfigurationElements(); |
| for (IConfigurationElement element : elements) { |
| if (!blackList.isDisabled(element)) { |
| if (element.getName().equals(ELMNT_REPOSITORY_UI)) { |
| registerRepositoryConnectorUi(element); |
| } |
| } |
| } |
| } |
| } |
| |
| private void registerRepositoryConnectorUi(IConfigurationElement element) { |
| try { |
| Object connectorUiObject = element.createExecutableExtension(ATTR_CLASS); |
| if (connectorUiObject instanceof AbstractRepositoryConnectorUi) { |
| AbstractRepositoryConnectorUi connectorUi = (AbstractRepositoryConnectorUi) connectorUiObject; |
| AbstractRepositoryConnector connector = TasksUiPlugin.getConnector(connectorUi.getConnectorKind()); |
| if (connector != null) { |
| TasksUiPlugin.getDefault().addRepositoryConnectorUi(connectorUi); |
| |
| String iconPath = element.getAttribute(ATTR_BRANDING_ICON); |
| if (iconPath != null) { |
| ImageDescriptor descriptor = AbstractUIPlugin.imageDescriptorFromPlugin( |
| element.getContributor().getName(), iconPath); |
| if (descriptor != null) { |
| ((BrandManager) TasksUiPlugin.getDefault().getBrandManager()).addDefaultBrandingIcon( |
| connectorUi.getConnectorKind(), CommonImages.getImage(descriptor)); |
| } |
| } |
| String overlayIconPath = element.getAttribute(ATTR_OVERLAY_ICON); |
| if (overlayIconPath != null) { |
| ImageDescriptor descriptor = AbstractUIPlugin.imageDescriptorFromPlugin( |
| element.getContributor().getName(), overlayIconPath); |
| if (descriptor != null) { |
| ((BrandManager) TasksUiPlugin.getDefault().getBrandManager()).addDefaultOverlayIcon( |
| connectorUi.getConnectorKind(), descriptor); |
| } |
| } |
| |
| RepositoryConnectorBranding branding = loadAdapter(connector, RepositoryConnectorBranding.class); |
| if (branding != null) { |
| addBranding(connector.getConnectorKind(), branding); |
| } |
| } else { |
| StatusHandler.log(new Status( |
| IStatus.ERROR, |
| TasksUiPlugin.ID_PLUGIN, |
| NLS.bind( |
| "Ignoring connector ui for kind ''{0}'' without corresponding core contributed by ''{1}''.", connectorUi.getConnectorKind(), element.getContributor().getName()))); //$NON-NLS-1$ |
| } |
| } else { |
| StatusHandler.log(new Status(IStatus.ERROR, TasksUiPlugin.ID_PLUGIN, "Could not load connector ui " //$NON-NLS-1$ |
| + connectorUiObject.getClass().getCanonicalName())); |
| } |
| } catch (Throwable e) { |
| StatusHandler.log(new Status(IStatus.ERROR, TasksUiPlugin.ID_PLUGIN, "Could not load connector ui", e)); //$NON-NLS-1$ |
| } |
| } |
| |
| private static void setConnectorForConnectorUi(AbstractRepositoryConnector connector, |
| AbstractRepositoryConnectorUi connectorUi) { |
| // need reflection since the field is private |
| try { |
| Field field = AbstractRepositoryConnectorUi.class.getDeclaredField("connector"); //$NON-NLS-1$ |
| field.setAccessible(true); |
| field.set(connectorUi, connector); |
| } catch (Exception e) { |
| StatusHandler.log(new Status(IStatus.ERROR, TasksUiPlugin.ID_PLUGIN, "Unable to call setConnector()", e)); //$NON-NLS-1$ |
| } |
| } |
| |
| } |