| /******************************************************************************* |
| * Copyright (c) 2001, 2004 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 |
| * Jens Lukowski/Innoopract - initial renaming/restructuring |
| * |
| *******************************************************************************/ |
| package org.eclipse.wst.sse.core.internal; |
| |
| |
| |
| import java.util.StringTokenizer; |
| |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.core.runtime.Platform; |
| import org.eclipse.core.runtime.Plugin; |
| import org.eclipse.core.runtime.Status; |
| import org.eclipse.wst.sse.core.IModelManagerPlugin; |
| |
| |
| /** |
| * Small convenience class to log messages to plugin's log file and also, if |
| * desired, the console. This class should only be used by classes in this |
| * plugin. Other plugins should make their own copy, with appropriate ID. |
| */ |
| public class Logger { |
| public static final int ERROR = IStatus.ERROR; // 4 |
| public static final int ERROR_DEBUG = 200 + ERROR; |
| private static Plugin fPlugin; |
| private static String fPluginId; |
| public static final int INFO = IStatus.INFO; // 1 |
| public static final int INFO_DEBUG = 200 + INFO; |
| |
| public static final int OK = IStatus.OK; // 0 |
| |
| public static final int OK_DEBUG = 200 + OK; |
| |
| private static final String TRACEFILTER_LOCATION = "/debug/tracefilter"; //$NON-NLS-1$ |
| public static final int WARNING = IStatus.WARNING; // 2 |
| public static final int WARNING_DEBUG = 200 + WARNING; |
| |
| /** |
| * Adds message to log. |
| * |
| * @param level |
| * severity level of the message (OK, INFO, WARNING, ERROR, |
| * OK_DEBUG, INFO_DEBUG, WARNING_DEBUG, ERROR_DEBUG) |
| * @param message |
| * text to add to the log |
| * @param exception |
| * exception thrown |
| */ |
| protected static void _log(int level, String message, Throwable exception) { |
| if (level == OK_DEBUG || level == INFO_DEBUG || level == WARNING_DEBUG || level == ERROR_DEBUG) { |
| if (!isDebugging()) |
| return; |
| } |
| |
| int severity = IStatus.OK; |
| switch (level) { |
| case INFO_DEBUG : |
| case INFO : |
| severity = IStatus.INFO; |
| break; |
| case WARNING_DEBUG : |
| case WARNING : |
| severity = IStatus.WARNING; |
| break; |
| case ERROR_DEBUG : |
| case ERROR : |
| severity = IStatus.ERROR; |
| } |
| message = (message != null) ? message : "null"; //$NON-NLS-1$ |
| Status statusObj = new Status(severity, getPluginId(), severity, message, exception); |
| getPlugin().getLog().log(statusObj); |
| } |
| |
| /** |
| * Prints message to log if category matches /debug/tracefilter option. |
| * |
| * @param message |
| * text to print |
| * @param category |
| * category of the message, to be compared with |
| * /debug/tracefilter |
| */ |
| protected static void _trace(String category, String message, Throwable exception) { |
| if (isTracing(category)) { |
| message = (message != null) ? message : "null"; //$NON-NLS-1$ |
| Status statusObj = new Status(IStatus.OK, getPluginId(), IStatus.OK, message, exception); |
| getPlugin().getLog().log(statusObj); |
| } |
| } |
| |
| private static IModelManagerPlugin getModelManagerPlugin() { |
| IModelManagerPlugin plugin = (IModelManagerPlugin) Platform.getPlugin(IModelManagerPlugin.ID); |
| return plugin; |
| } |
| |
| public static Plugin getPlugin() { |
| |
| if (fPlugin == null) { |
| fPlugin = (Plugin) getModelManagerPlugin(); |
| } |
| return fPlugin; |
| } |
| |
| public static String getPluginId() { |
| |
| if (fPluginId == null) { |
| fPluginId = ((Plugin) getModelManagerPlugin()).getDescriptor().getUniqueIdentifier(); |
| } |
| return fPluginId; |
| } |
| |
| /** |
| * @return true if the plugin for this logger is debugging |
| */ |
| public static boolean isDebugging() { |
| return getPlugin().isDebugging(); |
| } |
| |
| /** |
| * Determines if currently tracing a category |
| * |
| * @param category |
| * @return true if tracing category, false otherwise |
| */ |
| public static boolean isTracing(String category) { |
| if (!isDebugging()) |
| return false; |
| |
| String traceFilter = Platform.getDebugOption(getPluginId() + TRACEFILTER_LOCATION); |
| if (traceFilter != null) { |
| StringTokenizer tokenizer = new StringTokenizer(traceFilter, ","); //$NON-NLS-1$ |
| while (tokenizer.hasMoreTokens()) { |
| String cat = tokenizer.nextToken().trim(); |
| if (category.equals(cat)) { |
| return true; |
| } |
| } |
| } |
| return false; |
| } |
| |
| public static void log(int level, String message) { |
| _log(level, message, null); |
| } |
| |
| public static void log(int level, String message, Throwable exception) { |
| _log(level, message, exception); |
| } |
| |
| public static void logException(String message, Throwable exception) { |
| _log(ERROR, message, exception); |
| } |
| |
| public static void logException(Throwable exception) { |
| _log(ERROR, exception.getMessage(), exception); |
| } |
| |
| public static void trace(String category, String message) { |
| _trace(category, message, null); |
| } |
| |
| public static void traceException(String category, String message, Throwable exception) { |
| _trace(category, message, exception); |
| } |
| |
| public static void traceException(String category, Throwable exception) { |
| _trace(category, exception.getMessage(), exception); |
| } |
| |
| } |