org.jboss.logging.Log4jLogger Maven / Gradle / Ivy

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This artifact provides a single jar that contains all classes required to use remote EJB and JMS, including all dependencies. It is intended for use by those not using maven, maven users should just import the EJB and JMS BOM's instead (shaded JAR's cause lots of problems with maven, as it is very easy to inadvertently end up with different versions on classes on the class path).

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/*
 * JBoss, Home of Professional Open Source.
 *
 * Copyright 2010 Red Hat, Inc.
 *
 * 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 org.jboss.logging;

import java.text.MessageFormat;

final class Log4jLogger extends Logger {

    private static final long serialVersionUID = -5446154366955151335L;

    private final org.apache.log4j.Logger logger;

    Log4jLogger(final String name) {
        super(name);
        logger = org.apache.log4j.Logger.getLogger(name);
    }

    public boolean isEnabled(final Level level) {
        final org.apache.log4j.Level l = translate(level);
        return logger.isEnabledFor(l) && l.isGreaterOrEqual(logger.getEffectiveLevel());
    }

    protected void doLog(final Level level, final String loggerClassName, final Object message, final Object[] parameters, final Throwable thrown) {
        final org.apache.log4j.Level translatedLevel = translate(level);
        if (logger.isEnabledFor(translatedLevel)) try {
            logger.log(loggerClassName, translatedLevel, parameters == null || parameters.length == 0 ? message : MessageFormat.format(String.valueOf(message), parameters), thrown);
        } catch (Throwable ignored) {}
    }

    protected void doLogf(final Level level, final String loggerClassName, final String format, final Object[] parameters, final Throwable thrown) {
        final org.apache.log4j.Level translatedLevel = translate(level);
        if (logger.isEnabledFor(translatedLevel)) try {
            logger.log(loggerClassName, translatedLevel, parameters == null ? String.format(format) : String.format(format, parameters), thrown);
        } catch (Throwable ignored) {}
    }

    private static org.apache.log4j.Level translate(final Level level) {
        if (level != null) switch (level) {
            case FATAL: return org.apache.log4j.Level.FATAL;
            case ERROR: return org.apache.log4j.Level.ERROR;
            case WARN:  return org.apache.log4j.Level.WARN;
            case INFO:  return org.apache.log4j.Level.INFO;
            case DEBUG: return org.apache.log4j.Level.DEBUG;
            case TRACE: return org.apache.log4j.Level.TRACE;
        }
        return org.apache.log4j.Level.ALL;
    }
}