Source Code for Apache Log4j Core Implementation

Apache Log4j Core Implementation provides the functional components of the logging system. Users are free to create their own plugins and include them in the logging configuration. Apache Log4j Core is a required module to use Apache Log4j.

Bytecode (Java 8) for Apache Log4j Core Implementation is provided in a separate JAR file like log4j-core-2.14.1.jar.

Source Code files for Apache Log4j API are provided in both binary packge like apache-log4j-2.14.1-bin.zip and source package like apache-log4j-2.14.1-src.zip. You can download them at Apache Log4j Website.

You can also browse Source Code files for Apache Log4j Core Implementation 2.14.1 below.

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org/apache/logging/log4j/core/jmx/AppenderAdminMBean.java

/*
 * 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.logging.log4j.core.jmx;


/**
 * The MBean interface for monitoring and managing an {@code Appender}.
 */
public interface AppenderAdminMBean {
    /**
     * ObjectName pattern ({@value}) for AppenderAdmin MBeans.
     * This pattern contains two variables, where the first is the
     * name of the context, the second is the name of the instrumented appender.
     * <p>
     * You can find all registered AppenderAdmin MBeans like this:
     * </p>
     * <pre>
     * MBeanServer mbs = ManagementFactory.getPlatformMBeanServer();
     * String pattern = String.format(AppenderAdminMBean.PATTERN, &quot;*&quot;, &quot;*&quot;);
     * Set&lt;ObjectName&gt; appenderNames = mbs.queryNames(new ObjectName(pattern), null);
     * </pre>
     * <p>
     * Some characters are not allowed in ObjectNames. The logger context name
     * and appender name may be quoted. When AppenderAdmin MBeans are
     * registered, their ObjectNames are created using this pattern as follows:
     * </p>
     * <pre>
     * String ctxName = Server.escape(loggerContext.getName());
     * String appenderName = Server.escape(appender.getName());
     * String name = String.format(PATTERN, ctxName, appenderName);
     * ObjectName objectName = new ObjectName(name);
     * </pre>
     * @see Server#escape(String)
     */
    String PATTERN = Server.DOMAIN + ":type=%s,component=Appenders,name=%s";

    /**
     * Returns the name of the instrumented {@code Appender}.
     *
     * @return the name of the Appender
     */
    String getName();

    /**
     * Returns the result of calling {@code toString} on the {@code Layout}
     * object of the instrumented {@code Appender}.
     *
     * @return the {@code Layout} of the instrumented {@code Appender} as a
     *         string
     */
    String getLayout();

    /**
     * Returns how exceptions thrown on the instrumented {@code Appender} are
     * handled.
     *
     * @return {@code true} if any exceptions thrown by the Appender will be
     *         logged or {@code false} if such exceptions are re-thrown.
     */
    boolean isIgnoreExceptions();

    /**
     * Returns the result of calling {@code toString} on the error handler of
     * this appender, or {@code "null"} if no error handler was set.
     *
     * @return result of calling {@code toString} on the error handler of this
     *         appender, or {@code "null"}
     */
    String getErrorHandler();

    /**
     * Returns a string description of all filters configured for the
     * instrumented {@code Appender}.
     *
     * @return a string description of all configured filters for this
     *         appender
     */
    String getFilter();
}

org/apache/logging/log4j/core/jmx/AppenderAdminMBean.java

 

Or download all of them as a single archive file:

File name: log4j-core-2.14.1-sources.jar
File size: 1281358 bytes
Release date: 2021-03-06
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