| /******************************************************************************* |
| * Copyright (c) 2000, 2019 IBM Corporation and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.help.internal; |
| |
| import java.io.File; |
| import java.io.InputStream; |
| import java.net.URL; |
| |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.core.runtime.Platform; |
| import org.eclipse.core.runtime.Plugin; |
| import org.eclipse.core.runtime.Status; |
| import org.eclipse.help.internal.context.ContextManager; |
| import org.eclipse.help.internal.criteria.CriteriaManager; |
| import org.eclipse.help.internal.extension.ContentExtensionManager; |
| import org.eclipse.help.internal.index.IndexManager; |
| import org.eclipse.help.internal.toc.TocManager; |
| import org.eclipse.osgi.service.datalocation.Location; |
| import org.osgi.framework.BundleContext; |
| |
| /** |
| * Help System Core plug-in |
| */ |
| public class HelpPlugin extends Plugin { |
| |
| public final static String PLUGIN_ID = "org.eclipse.help"; //$NON-NLS-1$ |
| // debug options |
| public static boolean DEBUG = false; |
| public static boolean DEBUG_CONTEXT = false; |
| public static boolean DEBUG_SEARCH = false; |
| public static boolean DEBUG_TOC = false; |
| public static boolean DEBUG_INDEX = false; |
| public static boolean DEBUG_CRITERIA = false; |
| |
| public final static String HELP_DATA_KEY = "HELP_DATA"; //$NON-NLS-1$ |
| public final static String BASE_TOCS_KEY = "baseTOCS"; //$NON-NLS-1$ |
| public final static String IGNORED_TOCS_KEY = "ignoredTOCS"; //$NON-NLS-1$ |
| public final static String IGNORED_INDEXES_KEY = "ignoredIndexes"; //$NON-NLS-1$ |
| public final static String FILTER_INFOCENTER_KEY = "filterInfocenter"; //$NON-NLS-1$ |
| |
| private static HelpPlugin plugin; |
| private static Object tocManagerCreateLock = new Object(); |
| |
| private TocManager tocManager; |
| private ContextManager contextManager; |
| private ContentExtensionManager contentExtensionManager; |
| private IndexManager indexManager; |
| private CriteriaManager criteriaManager; |
| private IHelpProvider helpProvider; |
| private File configurationDirectory; |
| |
| public static void logWarning(String message) { |
| Status errorStatus = new Status(IStatus.WARNING, PLUGIN_ID, IStatus.OK, message, null); |
| logStatus(errorStatus); |
| } |
| |
| public static void logError(String message) { |
| Status errorStatus = new Status(IStatus.ERROR, PLUGIN_ID, IStatus.OK, message, null); |
| logStatus(errorStatus); |
| } |
| |
| public static void logError(String message, Throwable ex) { |
| if (message == null) { |
| message = ""; //$NON-NLS-1$ |
| } |
| Status errorStatus = new Status(IStatus.ERROR, PLUGIN_ID, IStatus.OK, message, ex); |
| logStatus(errorStatus); |
| } |
| |
| private static synchronized void logStatus(IStatus errorStatus) { |
| HelpPlugin.getDefault().getLog().log(errorStatus); |
| } |
| |
| /** |
| * @return the singleton instance of the plugin |
| */ |
| public static HelpPlugin getDefault() { |
| return plugin; |
| } |
| |
| /** |
| * Used to obtain Toc Navigation Manager |
| * |
| * @return instance of TocManager |
| */ |
| public static TocManager getTocManager() { |
| if (getDefault().tocManager == null) { |
| synchronized (tocManagerCreateLock) { |
| if (getDefault().tocManager == null) { |
| getDefault().tocManager = new TocManager(); |
| } |
| } |
| } |
| return getDefault().tocManager; |
| } |
| |
| /** |
| * Used to obtain Context Manager returns an instance of ContextManager |
| */ |
| public static ContextManager getContextManager() { |
| if (getDefault().contextManager == null) |
| getDefault().contextManager = new ContextManager(); |
| return getDefault().contextManager; |
| } |
| |
| /** |
| * Used to obtain the ContentExtensionManager |
| */ |
| public static ContentExtensionManager getContentExtensionManager() { |
| if (getDefault().contentExtensionManager == null) |
| getDefault().contentExtensionManager = new ContentExtensionManager(); |
| return getDefault().contentExtensionManager; |
| } |
| |
| public static IndexManager getIndexManager() { |
| if (getDefault().indexManager == null) |
| getDefault().indexManager = new IndexManager(); |
| return getDefault().indexManager; |
| } |
| |
| public static CriteriaManager getCriteriaManager() { |
| if (getDefault().criteriaManager == null) |
| getDefault().criteriaManager = new CriteriaManager(); |
| return getDefault().criteriaManager; |
| } |
| |
| /* |
| * Returns the provider responsible for serving help documents. |
| */ |
| public IHelpProvider getHelpProvider() { |
| return helpProvider; |
| } |
| |
| /* |
| * Sets the provider responsible for serving help documents. Called |
| * on startup. |
| */ |
| public void setHelpProvider(IHelpProvider helpProvider) { |
| this.helpProvider = helpProvider; |
| } |
| |
| @Override |
| public void start(BundleContext context) throws Exception { |
| super.start(context); |
| plugin = this; |
| |
| // determine configuration location for this plug-in |
| Location location = Platform.getConfigurationLocation(); |
| if (location != null) { |
| URL configURL = location.getURL(); |
| if (configURL != null && configURL.getProtocol().startsWith("file")) { //$NON-NLS-1$ |
| configurationDirectory = new File(configURL.getFile(), PLUGIN_ID); |
| } |
| } |
| if (configurationDirectory == null) { |
| configurationDirectory = getStateLocation().toFile(); |
| } |
| // Setup debugging options |
| DEBUG = isDebugging(); |
| if (DEBUG) { |
| DEBUG_CONTEXT = "true".equalsIgnoreCase(Platform.getDebugOption(PLUGIN_ID + "/debug/context")); //$NON-NLS-1$ //$NON-NLS-2$ |
| DEBUG_SEARCH = "true".equalsIgnoreCase(Platform.getDebugOption(PLUGIN_ID + "/debug/search")); //$NON-NLS-1$ //$NON-NLS-2$ |
| DEBUG_TOC = "true".equalsIgnoreCase(Platform.getDebugOption(PLUGIN_ID + "/debug/toc")); //$NON-NLS-1$ //$NON-NLS-2$ |
| DEBUG_INDEX = "true".equalsIgnoreCase(Platform.getDebugOption(PLUGIN_ID + "/debug/index")); //$NON-NLS-1$ //$NON-NLS-2$ |
| DEBUG_CRITERIA = "true".equalsIgnoreCase(Platform.getDebugOption(PLUGIN_ID + "/debug/criteria")); //$NON-NLS-1$ //$NON-NLS-2$ |
| } |
| } |
| |
| public static File getConfigurationDirectory() { |
| return getDefault().configurationDirectory; |
| } |
| |
| @Override |
| public void stop(BundleContext context) throws Exception { |
| plugin = null; |
| super.stop(context); |
| } |
| |
| /* |
| * An interface by which higher plug-ins can serve help content. |
| */ |
| public static interface IHelpProvider { |
| public InputStream getHelpContent(String href, String locale); |
| } |
| } |