| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 org.apache.guacamole.log; |
| |
| import ch.qos.logback.classic.LoggerContext; |
| import ch.qos.logback.classic.joran.JoranConfigurator; |
| import ch.qos.logback.core.joran.spi.JoranException; |
| import ch.qos.logback.core.util.StatusPrinter; |
| import com.google.inject.AbstractModule; |
| import java.io.File; |
| import org.apache.guacamole.environment.Environment; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * Initializes the logging subsystem. |
| */ |
| public class LogModule extends AbstractModule { |
| |
| /** |
| * Logger for this class. |
| */ |
| private final Logger logger = LoggerFactory.getLogger(LogModule.class); |
| |
| /** |
| * The Guacamole server environment. |
| */ |
| private final Environment environment; |
| |
| /** |
| * Creates a new LogModule which uses the given environment to determine |
| * the logging configuration. |
| * |
| * @param environment |
| * The environment to use when configuring logging. |
| */ |
| public LogModule(Environment environment) { |
| this.environment = environment; |
| } |
| |
| @Override |
| protected void configure() { |
| |
| // Only load logback configuration if GUACAMOLE_HOME exists |
| File guacamoleHome = environment.getGuacamoleHome(); |
| if (!guacamoleHome.isDirectory()) |
| return; |
| |
| // Check for custom logback.xml |
| File logbackConfiguration = new File(guacamoleHome, "logback.xml"); |
| if (!logbackConfiguration.exists()) |
| return; |
| |
| logger.info("Loading logback configuration from \"{}\".", logbackConfiguration); |
| |
| LoggerContext context = (LoggerContext) LoggerFactory.getILoggerFactory(); |
| context.reset(); |
| |
| try { |
| |
| // Initialize logback |
| JoranConfigurator configurator = new JoranConfigurator(); |
| configurator.setContext(context); |
| configurator.doConfigure(logbackConfiguration); |
| |
| // Dump any errors that occur during logback init |
| StatusPrinter.printInCaseOfErrorsOrWarnings(context); |
| |
| } |
| catch (JoranException e) { |
| logger.error("Initialization of logback failed: {}", e.getMessage()); |
| logger.debug("Unable to load logback configuration..", e); |
| } |
| |
| } |
| |
| } |