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A fork of Apache Log4j v1 with security patches, and repackaged as `io.confluent:confluent-log4j`
/*
* 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.log4j.pattern;
import org.apache.log4j.spi.LocationInfo;
import org.apache.log4j.spi.LoggingEvent;
/**
* Formats the class name of the site of the logging request.
*
* @author Ceki Gülcü
*/
public final class ClassNamePatternConverter extends NamePatternConverter {
/**
* Private constructor.
* @param options options, may be null.
*/
private ClassNamePatternConverter(
final String[] options) {
super("Class Name", "class name", options);
}
/**
* Gets an instance of ClassNamePatternConverter.
* @param options options, may be null.
* @return instance of pattern converter.
*/
public static ClassNamePatternConverter newInstance(
final String[] options) {
return new ClassNamePatternConverter(options);
}
/**
* Format a logging event.
* @param event event to format.
* @param toAppendTo string buffer to which class name will be appended.
*/
public void format(final LoggingEvent event, final StringBuffer toAppendTo) {
final int initialLength = toAppendTo.length();
LocationInfo li = event.getLocationInformation();
if (li == null) {
toAppendTo.append(LocationInfo.NA);
} else {
toAppendTo.append(li.getClassName());
}
abbreviate(initialLength, toAppendTo);
}
}
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