| /* |
| * Copyright 2000-2012 JetBrains s.r.o. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package com.intellij.openapi.diagnostic; |
| |
| import org.jetbrains.annotations.NonNls; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| |
| import java.lang.reflect.Method; |
| import java.util.logging.Level; |
| import java.util.logging.LogManager; |
| import java.util.logging.Logger; |
| |
| /** |
| * A wrapper which uses either IDE logging subsystem (if available) or java.util.logging. |
| * |
| * @since 12.0 |
| */ |
| public abstract class LoggerRt { |
| private interface Factory { |
| LoggerRt getInstance(@NotNull @NonNls final String category); |
| } |
| |
| private static Factory ourFactory; |
| |
| private synchronized static Factory getFactory() { |
| if (ourFactory == null) { |
| try { |
| ourFactory = new IdeaFactory(); |
| } |
| catch (Throwable t) { |
| ourFactory = new JavaFactory(); |
| } |
| } |
| return ourFactory; |
| } |
| |
| @NotNull |
| public static LoggerRt getInstance(@NotNull @NonNls final String category) { |
| return getFactory().getInstance(category); |
| } |
| |
| public void info(@Nullable @NonNls final String message) { |
| info(message, null); |
| } |
| |
| public void info(@NotNull final Throwable t) { |
| info(t.getMessage(), t); |
| } |
| |
| public void warn(@Nullable @NonNls final String message) { |
| warn(message, null); |
| } |
| |
| public void warn(@NotNull final Throwable t) { |
| warn(t.getMessage(), t); |
| } |
| |
| public void error(@Nullable @NonNls final String message) { |
| error(message, null); |
| } |
| |
| public void error(@NotNull final Throwable t) { |
| error(t.getMessage(), t); |
| } |
| |
| public abstract void info(@Nullable @NonNls final String message, @Nullable final Throwable t); |
| public abstract void warn(@Nullable @NonNls final String message, @Nullable final Throwable t); |
| public abstract void error(@Nullable @NonNls final String message, @Nullable final Throwable t); |
| |
| private static class JavaFactory implements Factory { |
| private final LogManager myManager = LogManager.getLogManager(); |
| |
| public LoggerRt getInstance(@NotNull @NonNls final String category) { |
| final Logger logger = myManager.getLogger(category); |
| return new LoggerRt() { |
| @Override |
| public void info(@Nullable @NonNls final String message, @Nullable final Throwable t) { |
| logger.log(Level.INFO, message, t); |
| } |
| |
| @Override |
| public void warn(@Nullable @NonNls final String message, @Nullable final Throwable t) { |
| logger.log(Level.WARNING, message, t); |
| } |
| |
| @Override |
| public void error(@Nullable @NonNls final String message, @Nullable final Throwable t) { |
| logger.log(Level.SEVERE, message, t); |
| } |
| }; |
| } |
| } |
| |
| private static class IdeaFactory implements Factory { |
| private final Method myGetInstance; |
| private final Method myInfo; |
| private final Method myWarn; |
| private final Method myError; |
| |
| private IdeaFactory() throws Exception { |
| final Class<?> loggerClass = Class.forName("com.intellij.openapi.diagnostic.Logger"); |
| myGetInstance = loggerClass.getMethod("getInstance", String.class); |
| myGetInstance.setAccessible(true); |
| myInfo = loggerClass.getMethod("info", String.class, Throwable.class); |
| myInfo.setAccessible(true); |
| myWarn = loggerClass.getMethod("warn", String.class, Throwable.class); |
| myInfo.setAccessible(true); |
| myError = loggerClass.getMethod("error", String.class, Throwable.class); |
| myError.setAccessible(true); |
| } |
| |
| public LoggerRt getInstance(@NotNull @NonNls final String category) { |
| try { |
| final Object logger = myGetInstance.invoke(null, category); |
| return new LoggerRt() { |
| @Override |
| public void info(@Nullable @NonNls final String message, @Nullable final Throwable t) { |
| try { |
| myInfo.invoke(logger, message, t); |
| } |
| catch (Exception ignored) { } |
| } |
| |
| @Override |
| public void warn(@Nullable @NonNls final String message, @Nullable final Throwable t) { |
| try { |
| myWarn.invoke(logger, message, t); |
| } |
| catch (Exception ignored) { } |
| } |
| |
| @Override |
| public void error(@Nullable @NonNls final String message, @Nullable final Throwable t) { |
| try { |
| myError.invoke(logger, message, t); |
| } |
| catch (Exception ignored) { } |
| } |
| }; |
| } |
| catch (Exception e) { |
| throw new RuntimeException(e); |
| } |
| } |
| } |
| } |