org.jbpm.internal.log.Jdk14LogFactory.java Source code

Introduction

Here is the source code for org.jbpm.internal.log.Jdk14LogFactory.java

Source

/*
 * JBoss, Home of Professional Open Source
 * Copyright 2005, JBoss Inc., and individual contributors as indicated
 * by the @authors tag. See the copyright.txt in the distribution for a
 * full listing of individual contributors.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */
package org.jbpm.internal.log;

import java.io.IOException;
import java.io.InputStream;
import java.util.logging.LogManager;
import java.util.logging.Logger;

/**
 * @author Tom Baeyens
 */
public class Jdk14LogFactory implements LogFactory {

    public Jdk14LogFactory() {
        initializeJdk14Logging();
    }

    public Log getLog(String name) {
        return new Jdk14Log(Logger.getLogger(name));
    }

    /** redirects commons logging to JDK 1.4 logging.  This can be handy when 
     * you have log4j on the classpath, but still want to use the JDK logging. */
    public static synchronized void redirectCommonsToJdk14() {
        System.setProperty("org.apache.commons.logging.Log", "org.apache.commons.logging.impl.Jdk14Logger");
    }

    /** configures JDK 1.4 logging from the resource file <code>logging.properties</code> */
    public static synchronized void initializeJdk14Logging() {
        ClassLoader classLoader = Thread.currentThread().getContextClassLoader();
        InputStream inputStream = classLoader.getResourceAsStream("logging.properties");
        try {
            if (inputStream != null) {
                LogManager.getLogManager().readConfiguration(inputStream);

                String redirectCommons = LogManager.getLogManager().getProperty("redirect.commons.logging");
                if ((redirectCommons != null) && (!redirectCommons.equalsIgnoreCase("disabled"))
                        && (!redirectCommons.equalsIgnoreCase("off"))
                        && (!redirectCommons.equalsIgnoreCase("false"))) {
                    redirectCommonsToJdk14();
                }
            }
        } catch (Exception e) {
            e.printStackTrace();
            throw new RuntimeException("couldn't initialize logging properly", e);
        } finally {
            if (inputStream != null) {
                try {
                    inputStream.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
    }
}