SLF4J API is a simple API that allows to plug in any desired logging library at deployment time.

Here is the source code for SLF4J API 2.0.4. You can download its pre-compiled version slf4j-api-2.0.4.jar at SLF4J Download Website.

⏎ org/slf4j/spi/CallerBoundaryAware.java

package org.slf4j.spi;

import org.slf4j.event.LoggingEvent;

/**
 * Additional interface to {@link LoggingEventBuilder} and 
 * {@link org.slf4j.event.LoggingEvent LoggingEvent}.
 * 
 * Implementations of {@link LoggingEventBuilder} and  {@link LoggingEvent} may optionally
 * implement {@link CallerBoundaryAware} in order to support caller info extraction.
 *
 * This interface is intended for use by logging backends or logging bridges. 
 * 
 * @author Ceki Gulcu
 *
 */
public interface CallerBoundaryAware {

    /**
     * Add a fqcn (fully qualified class name) to this event, presumed to be the caller boundary.
     * 
     * @param fqcn
     */
    void setCallerBoundary(String fqcn);
}

⏎ org/slf4j/spi/CallerBoundaryAware.java

Or download all of them as a single archive file:

File name: slf4j-api-2.0.4-sources.jar
File size: 70304 bytes
Release date: 2022-11-17
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