| /******************************************************************************* |
| * Copyright (c) 2005, 2009 IBM Corporation 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: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.core.runtime; |
| |
| import org.eclipse.core.internal.runtime.*; |
| import org.eclipse.osgi.util.NLS; |
| |
| /** |
| * Runs the given ISafeRunnable in a protected mode: exceptions and certain |
| * errors thrown in the runnable are logged and passed to the runnable's |
| * exception handler. Such exceptions are not rethrown by this method. |
| * <p> |
| * This class can be used without OSGi running. |
| * </p> |
| * @since org.eclipse.equinox.common 3.2 |
| */ |
| public final class SafeRunner { |
| |
| /** |
| * Runs the given runnable in a protected mode. Exceptions |
| * thrown in the runnable are logged and passed to the runnable's |
| * exception handler. Such exceptions are not rethrown by this method. |
| * <p> |
| * In addition to catching all {@link Exception} types, this method also catches certain {@link Error} |
| * types that typically result from programming errors in the code being executed. |
| * Severe errors that are not generally safe to catch are not caught by this method. |
| * </p> |
| * |
| * @param code the runnable to run |
| */ |
| public static void run(ISafeRunnable code) { |
| Assert.isNotNull(code); |
| try { |
| code.run(); |
| } catch (Exception e) { |
| handleException(code, e); |
| } catch (LinkageError e) { |
| handleException(code, e); |
| } catch (AssertionError e) { |
| handleException(code, e); |
| } |
| } |
| |
| private static void handleException(ISafeRunnable code, Throwable e) { |
| if (!(e instanceof OperationCanceledException)) { |
| // try to obtain the correct plug-in id for the bundle providing the safe runnable |
| Activator activator = Activator.getDefault(); |
| String pluginId = null; |
| if (activator != null) |
| pluginId = activator.getBundleId(code); |
| if (pluginId == null) |
| pluginId = IRuntimeConstants.PI_COMMON; |
| String message = NLS.bind(CommonMessages.meta_pluginProblems, pluginId); |
| IStatus status; |
| if (e instanceof CoreException) { |
| status = new MultiStatus(pluginId, IRuntimeConstants.PLUGIN_ERROR, message, e); |
| ((MultiStatus) status).merge(((CoreException) e).getStatus()); |
| } else { |
| status = new Status(IStatus.ERROR, pluginId, IRuntimeConstants.PLUGIN_ERROR, message, e); |
| } |
| // Make sure user sees the exception: if the log is empty, log the exceptions on stderr |
| if (!RuntimeLog.isEmpty()) |
| RuntimeLog.log(status); |
| else |
| e.printStackTrace(); |
| } |
| code.handleException(e); |
| } |
| } |