--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/org.eclipse.core.databinding/src/org/eclipse/core/databinding/util/Policy.d	Tue Apr 14 11:35:29 2009 +0200
@@ -0,0 +1,81 @@
+/*******************************************************************************
+ * Copyright (c) 2004, 2007 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
+ *     Chris Gross (schtoo@schtoo.com) - support for ILogger added
+ *       (bug 49497 [RCP] JFace dependency on org.eclipse.core.runtime enlarges standalone JFace applications)
+ *     Brad Reynolds - bug 164653
+ *     Tom Schindl <tom.schindl@bestsolution.at> - bug 194587
+ *******************************************************************************/
+module org.eclipse.core.databinding.util.Policy;
+
+import java.lang.all;
+
+import org.eclipse.core.runtime.IStatus;
+
+/**
+ * The Policy class handles settings for behaviour, debug flags and logging
+ * within JFace Data Binding.
+ * 
+ * @since 1.1
+ */
+public class Policy {
+
+    /**
+     * Constant for the the default setting for debug options.
+     */
+    public static final bool DEFAULT = false;
+
+    /**
+     * The unique identifier of the JFace plug-in.
+     */
+    public static final String JFACE_DATABINDING = "org.eclipse.core.databinding";//$NON-NLS-1$
+
+    private static ILogger log;
+
+    /**
+     * Returns the dummy log to use if none has been set
+     */
+    private static ILogger getDummyLog() {
+        return new class() ILogger {
+            public void log(IStatus status) {
+                System.err.println(status.getPlugin() + " - " + status.getCode() + " - " + status.getMessage());  //$NON-NLS-1$//$NON-NLS-2$
+                if( status.getException() !is null ) {
+                    status.getException().printStackTrace(System.err);
+                }
+            }
+        };
+    }
+
+    /**
+     * Sets the logger used by JFace Data Binding to log errors.
+     * 
+     * @param logger
+     *            the logger to use, or <code>null</code> to use the default
+     *            logger
+     */
+    public static synchronized void setLog(ILogger logger) {
+        log = logger;
+    }
+
+    /**
+     * Returns the logger used by JFace Data Binding to log errors.
+     * <p>
+     * The default logger prints the status to <code>System.err</code>.
+     * </p>
+     * 
+     * @return the logger
+     */
+    public static synchronized ILogger getLog() {
+        if (log is null) {
+            log = getDummyLog();
+        }
+        return log;
+    }
+
+}