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/filter/Filterable.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.filter;

import org.apache.logging.log4j.core.Filter;
import org.apache.logging.log4j.core.LifeCycle;
import org.apache.logging.log4j.core.LogEvent;

/**
 * Interface implemented by Classes that allow filtering to occur.
 *
 * <p>
 * Extends {@link LifeCycle} since filters have a life cycle.
 * </p>
 */
public interface Filterable extends LifeCycle {

    /**
     * Adds a new Filter. If a Filter already exists it is converted to a CompositeFilter.
     * @param filter The Filter to add.
     */
    void addFilter(Filter filter);

    /**
     * Removes a Filter.
     * @param filter The Filter to remove.
     */
    void removeFilter(Filter filter);

    /**
     * Returns an Iterator for all the Filters.
     * @return an Iterator for all the Filters.
     */
    Filter getFilter();

    /**
     * Determine if a Filter is present.
     * @return true if a Filter is present, false otherwise.
     */
    boolean hasFilter();

    /**
     * Determines if the event should be filtered.
     * @param event The LogEvent.
     * @return true if the event should be filtered, false otherwise.
     */
    boolean isFiltered(LogEvent event);
}

org/apache/logging/log4j/core/filter/Filterable.java

 

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2015-11-03, 51413👍, 0💬