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/config/plugins/PluginBuilderAttribute.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.config.plugins;

import java.lang.annotation.Documented;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

import org.apache.logging.log4j.core.config.plugins.visitors.PluginBuilderAttributeVisitor;
import org.apache.logging.log4j.util.Strings;

/**
 * Marks a field as a Plugin Attribute.
 */
@Documented
@Retention(RetentionPolicy.RUNTIME)
@Target({ElementType.PARAMETER, ElementType.FIELD})
@PluginVisitorStrategy(PluginBuilderAttributeVisitor.class)
public @interface PluginBuilderAttribute {

    /**
     * Specifies the attribute name this corresponds to. If no attribute is set (i.e., a blank string), then the name
     * of the field (or member) this annotation is attached to will be used.
     */
    String value() default Strings.EMPTY;

    /**
     * Indicates that this attribute is a sensitive one that shouldn't be logged directly. Such attributes will instead
     * be output as a hashed value.
     */
    boolean sensitive() default false;
}

org/apache/logging/log4j/core/config/plugins/PluginBuilderAttribute.java

 

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