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annotate org.eclipse.core.databinding.observable/src/org/eclipse/core/databinding/util/Policy.d @ 97:c86eb8b3098e

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packageimport
author Frank Benoit <benoit@tionex.de>
date Tue, 21 Apr 2009 11:18:25 +0200
parents b74ac5dfcc06
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1 /*******************************************************************************
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2 * Copyright (c) 2004, 2007 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 * Chris Gross (schtoo@schtoo.com) - support for ILogger added
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11 * (bug 49497 [RCP] JFace dependency on org.eclipse.core.runtime enlarges standalone JFace applications)
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12 * Brad Reynolds - bug 164653
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13 * Tom Schindl <tom.schindl@bestsolution.at> - bug 194587
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14 *******************************************************************************/
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15 module org.eclipse.core.databinding.util.Policy;
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16 import org.eclipse.core.databinding.util.ILogger;
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17
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18 import java.lang.all;
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19
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20 import org.eclipse.core.runtime.IStatus;
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21
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22 /**
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23 * The Policy class handles settings for behaviour, debug flags and logging
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24 * within JFace Data Binding.
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25 *
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26 * @since 1.1
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27 */
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28 public class Policy {
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29
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30 /**
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31 * Constant for the the default setting for debug options.
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32 */
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33 public static final bool DEFAULT = false;
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34
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35 /**
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36 * The unique identifier of the JFace plug-in.
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37 */
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38 public static final String JFACE_DATABINDING = "org.eclipse.core.databinding";//$NON-NLS-1$
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39
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40 private static ILogger log;
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41
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42 /**
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43 * Returns the dummy log to use if none has been set
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44 */
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45 private static ILogger getDummyLog() {
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46 return new class() ILogger {
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47 public void log(IStatus status) {
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48 System.err.println(status.getPlugin() + " - " + status.getCode() + " - " + status.getMessage()); //$NON-NLS-1$//$NON-NLS-2$
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49 if( status.getException() !is null ) {
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50 status.getException().printStackTrace(System.err);
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51 }
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52 }
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53 };
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54 }
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55
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56 /**
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57 * Sets the logger used by JFace Data Binding to log errors.
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58 *
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59 * @param logger
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60 * the logger to use, or <code>null</code> to use the default
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61 * logger
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62 */
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63 public static synchronized void setLog(ILogger logger) {
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64 log = logger;
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65 }
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66
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67 /**
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68 * Returns the logger used by JFace Data Binding to log errors.
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69 * <p>
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70 * The default logger prints the status to <code>System.err</code>.
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71 * </p>
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72 *
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73 * @return the logger
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74 */
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75 public static synchronized ILogger getLog() {
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76 if (log is null) {
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77 log = getDummyLog();
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78 }
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79 return log;
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80 }
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81
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82 }