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/pattern/EqualsIgnoreCaseReplacementConverter.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.pattern;

import java.util.List;

import org.apache.logging.log4j.core.config.Configuration;
import org.apache.logging.log4j.core.config.plugins.Plugin;
import org.apache.logging.log4j.core.layout.PatternLayout;
import org.apache.logging.log4j.util.PerformanceSensitive;
import org.apache.logging.log4j.util.StringBuilders;

/**
 * Equals ignore case pattern converter.
 */
@Plugin(name = "equalsIgnoreCase", category = PatternConverter.CATEGORY)
@ConverterKeys({ "equalsIgnoreCase" })
@PerformanceSensitive("allocation")
public final class EqualsIgnoreCaseReplacementConverter extends EqualsBaseReplacementConverter {

    /**
     * Gets an instance of the class.
     *
     * @param config
     *            The current Configuration.
     * @param options
     *            pattern options, an array of three elements: pattern, testString, and substitution.
     * @return instance of class.
     */
    public static EqualsIgnoreCaseReplacementConverter newInstance(final Configuration config, final String[] options) {
        if (options.length != 3) {
            LOGGER.error("Incorrect number of options on equalsIgnoreCase. Expected 3 received " + options.length);
            return null;
        }
        if (options[0] == null) {
            LOGGER.error("No pattern supplied on equalsIgnoreCase");
            return null;
        }
        if (options[1] == null) {
            LOGGER.error("No test string supplied on equalsIgnoreCase");
            return null;
        }
        if (options[2] == null) {
            LOGGER.error("No substitution supplied on equalsIgnoreCase");
            return null;
        }
        final String p = options[1];
        final PatternParser parser = PatternLayout.createPatternParser(config);
        final List<PatternFormatter> formatters = parser.parse(options[0]);
        return new EqualsIgnoreCaseReplacementConverter(formatters, p, options[2], parser);
    }

    /**
     * Construct the converter.
     *
     * @param formatters   The PatternFormatters to generate the text to manipulate.
     * @param testString   The test string.
     * @param substitution The substitution string.
     * @param parser        The PatternParser.
     */
    private EqualsIgnoreCaseReplacementConverter(final List<PatternFormatter> formatters, final String testString,
            final String substitution, final PatternParser parser) {
        super("equalsIgnoreCase", "equalsIgnoreCase", formatters, testString, substitution, parser);
    }

    @Override
    protected boolean equals(final String str, final StringBuilder buff, final int from, final int len) {
        return StringBuilders.equalsIgnoreCase(str, 0, str.length(), buff, from, len);
    }
}

org/apache/logging/log4j/core/pattern/EqualsIgnoreCaseReplacementConverter.java

 

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2015-11-03, 51223👍, 0💬