LogTransformer (SLF4J 1.7.28 API)
Date: 2019-08-10

org.slf4j.instrumentation

## Class LogTransformer

- java.lang.Object
- - org.slf4j.instrumentation.LogTransformer

- All Implemented Interfaces:
    ClassFileTransformer

      public class LogTransformer
      extends Object
      implements ClassFileTransformer

  LogTransformer does the work of analyzing each class, and if appropriate add log statements to each method to allow logging entry/exit.

  This class is based on the article Add Logging at Class Load Time with Java Instrumentation.

- - ### Nested Class Summary

    Nested Classes
    Modifier and Type | Class and Description
    --- | ---
    `static class` | `LogTransformer.Builder` Builder provides a flexible way of configuring some of many options on the parent class instead of providing many constructors.

  - ### Method Summary

    All Methods Instance Methods Concrete Methods
    Modifier and Type | Method and Description
    --- | ---
    `byte[]` | `transform(ClassLoader loader, String className, Class<?> clazz, ProtectionDomain domain, byte[] bytes)`

    - ### Methods inherited from class java.lang.Object

      `clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

- - ### Method Detail

    - #### transform

          public byte[] transform(ClassLoader loader,
                                  String className,
                                  Class<?> clazz,
                                  ProtectionDomain domain,
                                  byte[] bytes)

      Specified by:
        `transform` in interface `ClassFileTransformer`

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