| /******************************************************************************* |
| * Copyright (c) 2005, 2008 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.internal.adaptor; |
| |
| import java.io.IOException; |
| import java.net.URLConnection; |
| import java.util.Properties; |
| import org.eclipse.osgi.baseadaptor.*; |
| import org.eclipse.osgi.baseadaptor.hooks.AdaptorHook; |
| import org.eclipse.osgi.framework.adaptor.FrameworkAdaptor; |
| import org.eclipse.osgi.framework.internal.core.FrameworkProperties; |
| import org.eclipse.osgi.framework.log.FrameworkLog; |
| import org.eclipse.osgi.framework.log.FrameworkLogEntry; |
| import org.osgi.framework.BundleContext; |
| import org.osgi.framework.BundleException; |
| |
| public class EclipseErrorHandler implements AdaptorHook, HookConfigurator { |
| // System property used to prevent VM exit when unexpected errors occur |
| private static final String PROP_EXITONERROR = "eclipse.exitOnError"; //$NON-NLS-1$ |
| private BaseAdaptor adaptor; |
| |
| public void frameworkStart(BundleContext context) throws BundleException { |
| // do nothing |
| } |
| |
| public void frameworkStop(BundleContext context) throws BundleException { |
| // do nothing |
| } |
| |
| public void frameworkStopping(BundleContext context) { |
| // do nothing |
| } |
| |
| public void addProperties(Properties properties) { |
| // do nothing |
| } |
| |
| public URLConnection mapLocationToURLConnection(String location) throws IOException { |
| // do nothing |
| return null; |
| } |
| |
| private boolean isFatalException(Throwable error) { |
| if (error instanceof VirtualMachineError) { |
| return true; |
| } |
| if (error instanceof ThreadDeath) { |
| return true; |
| } |
| return false; |
| } |
| |
| public void handleRuntimeError(Throwable error) { |
| // this is the important method to handle errors |
| boolean exitOnError = false; |
| try { |
| // check the prop each time this happens (should NEVER happen!) |
| exitOnError = Boolean.valueOf(FrameworkProperties.getProperty(EclipseErrorHandler.PROP_EXITONERROR, "true")).booleanValue(); //$NON-NLS-1$ |
| String message = EclipseAdaptorMsg.ECLIPSE_ADAPTOR_RUNTIME_ERROR; |
| if (exitOnError && isFatalException(error)) |
| message += ' ' + EclipseAdaptorMsg.ECLIPSE_ADAPTOR_EXITING; |
| FrameworkLogEntry logEntry = new FrameworkLogEntry(FrameworkAdaptor.FRAMEWORK_SYMBOLICNAME, FrameworkLogEntry.ERROR, 0, message, 0, error, null); |
| adaptor.getFrameworkLog().log(logEntry); |
| } catch (Throwable t) { |
| // we may be in a currupted state and must be able to handle any |
| // errors (ie OutOfMemoryError) |
| // that may occur when handling the first error; this is REALLY the |
| // last resort. |
| try { |
| error.printStackTrace(); |
| t.printStackTrace(); |
| } catch (Throwable t1) { |
| // if we fail that then we are beyond help. |
| } |
| } finally { |
| // do the exit outside the try block just incase another runtime |
| // error was thrown while logging |
| if (exitOnError && isFatalException(error)) |
| System.exit(13); |
| } |
| } |
| |
| public void addHooks(HookRegistry hookRegistry) { |
| hookRegistry.addAdaptorHook(this); |
| } |
| |
| public FrameworkLog createFrameworkLog() { |
| // do nothing |
| return null; |
| } |
| |
| public void initialize(BaseAdaptor adaptor) { |
| this.adaptor = adaptor; |
| } |
| } |