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/*******************************************************************************
* Copyright (c) 2005, 2009 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.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);
}
}
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