| /******************************************************************************* |
| * Copyright (c) 2004 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Common Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/cpl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jface.util; |
| import org.eclipse.core.runtime.ILog; |
| import org.eclipse.core.runtime.ILogListener; |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.core.runtime.Platform; |
| import org.osgi.framework.Bundle; |
| /** |
| * The Policy class is a class to handle debug flags within the JFace plug-in. |
| * @since 3.0 |
| */ |
| public class Policy { |
| |
| /** |
| * Constant for the the default setting for debug options. |
| */ |
| public static final boolean DEFAULT = false; |
| /** |
| * Constant for the first segment of jface debug option |
| * names. |
| */ |
| public static final String JFACE = "org.eclipse.jface";//$NON-NLS-1$ |
| private static ILog log; |
| |
| /** |
| * A flag to indicate whether unparented dialogs should |
| * be checked. |
| */ |
| public static boolean DEBUG_DIALOG_NO_PARENT = DEFAULT; |
| |
| /** |
| * A flag to indicate whether actions are being traced. |
| */ |
| public static boolean TRACE_ACTIONS = DEFAULT; |
| |
| /** |
| * A flag to indicate whether toolbars are being traced. |
| */ |
| |
| public static boolean TRACE_TOOLBAR = DEFAULT; |
| static { |
| if (getDebugOption("/debug")) { //$NON-NLS-1$ |
| DEBUG_DIALOG_NO_PARENT = getDebugOption("/debug/dialog/noparent"); //$NON-NLS-1$ |
| TRACE_ACTIONS = getDebugOption("/trace/actions"); //$NON-NLS-1$ |
| TRACE_TOOLBAR = getDebugOption("/trace/toolbarDisposal"); //$NON-NLS-1$ |
| } |
| } |
| |
| /** |
| * Get the dummy log to use if none has been set |
| * @return ILog |
| */ |
| private static ILog getDummyLog() { |
| return new ILog() { |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.core.runtime.ILog#addLogListener(org.eclipse.core.runtime.ILogListener) |
| */ |
| public void addLogListener(ILogListener listener) { |
| // Do nothing as this is a dummy placeholder |
| } |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.core.runtime.ILog#getBundle() |
| */ |
| public Bundle getBundle() { |
| //Do nothing as this is a dummy placeholder |
| return null; |
| } |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.core.runtime.ILog#log(org.eclipse.core.runtime.IStatus) |
| */ |
| public void log(IStatus status) { |
| System.err.println(status.getMessage()); |
| } |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.core.runtime.ILog#removeLogListener(org.eclipse.core.runtime.ILogListener) |
| */ |
| public void removeLogListener(ILogListener listener) { |
| //Do nothing as this is a dummy placeholder |
| } |
| }; |
| } |
| private static boolean getDebugOption(String option) { |
| if(Platform.isRunning()) |
| return "true".equalsIgnoreCase(Platform.getDebugOption(JFACE + option)); //$NON-NLS-1$ |
| return false; |
| } |
| |
| /** |
| * Set the log to be forwarding log. |
| * @param forwardingLog |
| */ |
| public static void setLog(ILog forwardingLog){ |
| log = forwardingLog; |
| } |
| /** |
| * Return the log the receiver is using. |
| * @return |
| */ |
| public static ILog getLog(){ |
| if (log == null) |
| log = getDummyLog(); |
| return log; |
| } |
| } |