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annotate org.eclipse.equinox.common/src/org/eclipse/core/runtime/SafeRunner.d @ 105:bbe49769ec18

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author Frank Benoit <benoit@tionex.de>
date Sun, 08 Nov 2009 12:42:30 +0100
parents bc29606a740c
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1 /*******************************************************************************
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2 * Copyright (c) 2005, 2006 IBM Corporation and others.
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3 * All rights reserved. This program and the accompanying materials
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4 * are made available under the terms of the Eclipse Public License v1.0
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5 * which accompanies this distribution, and is available at
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6 * http://www.eclipse.org/legal/epl-v10.html
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7 *
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8 * Contributors:
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9 * IBM Corporation - initial API and implementation
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10 *******************************************************************************/
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11 // Port to the D programming language:
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12 // Frank Benoit <benoit@tionex.de>
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13 module org.eclipse.core.runtimeSafeRunner;
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14
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15 import java.lang.all;
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17 import org.eclipse.core.runtimeStatus; // packageimport
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18 import org.eclipse.core.runtimeMultiStatus; // packageimport
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19 import org.eclipse.core.runtimeAssert; // packageimport
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20 import org.eclipse.core.runtimeISafeRunnable; // packageimport
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21 import org.eclipse.core.runtimeOperationCanceledException; // packageimport
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22 import org.eclipse.core.runtimeIStatus; // packageimport
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23 import org.eclipse.core.runtimeCoreException; // packageimport
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24
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25 import org.eclipse.core.internal.runtime.Activator;
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26 import org.eclipse.core.internal.runtime.CommonMessages;
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27 import org.eclipse.core.internal.runtime.IRuntimeConstants;
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28 import org.eclipse.core.internal.runtime.RuntimeLog;
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29 import org.eclipse.osgi.util.NLS;
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30
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31 /**
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32 * Runs the given ISafeRunnable in a protected mode: exceptions
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33 * thrown in the runnable are logged and passed to the runnable's
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34 * exception handler. Such exceptions are not rethrown by this method.
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35 * <p>
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36 * This class can be used without OSGi running.
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37 * </p>
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38 * @since org.eclipse.equinox.common 3.2
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39 */
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40 public final class SafeRunner {
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42 /**
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43 * Runs the given runnable in a protected mode. Exceptions
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44 * thrown in the runnable are logged and passed to the runnable's
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45 * exception handler. Such exceptions are not rethrown by this method.
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46 *
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47 * @param code the runnable to run
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48 */
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49 public static void run(ISafeRunnable code) {
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50 Assert.isNotNull(code);
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51 try {
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52 code.run();
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53 } catch (Exception e) {
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54 handleException(code, e);
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55 } catch (LinkageError e) {
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56 handleException(code, e);
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57 }
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58 }
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59
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60 private static void handleException(ISafeRunnable code, Throwable e) {
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61 if (!( null !is cast(OperationCanceledException)e )) {
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62 // try to obtain the correct plug-in id for the bundle providing the safe runnable
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63 Activator activator = Activator.getDefault();
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64 String pluginId = null;
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65 if (activator !is null)
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66 pluginId = activator.getBundleId(code);
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67 if (pluginId is null)
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68 pluginId = IRuntimeConstants.PI_COMMON;
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69 String message = NLS.bind(CommonMessages.meta_pluginProblems, pluginId);
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70 IStatus status;
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71 if ( null !is cast(CoreException)e ) {
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72 status = new MultiStatus(pluginId, IRuntimeConstants.PLUGIN_ERROR, message, e);
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73 (cast(MultiStatus) status).merge((cast(CoreException) e).getStatus());
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74 } else {
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75 status = new Status(IStatus.ERROR, pluginId, IRuntimeConstants.PLUGIN_ERROR, message, e);
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76 }
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77 // Make sure user sees the exception: if the log is empty, log the exceptions on stderr
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78 if (!RuntimeLog.isEmpty())
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79 RuntimeLog.log(status);
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80 else
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81 e.printStackTrace();
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82 }
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83 code.handleException(e);
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84 }
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85 }