Interface ErrorCauseExtractor

Functional Interface:
This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface public interface ErrorCauseExtractor
Extractor of the root cause of a Throwable. When instrumenting a library which wraps user exceptions with a framework exception, generally for propagating checked exceptions across unchecked boundaries, it is recommended to override this to unwrap back to the user exception.
  • Method Summary

    Modifier and Type
    Method
    Description
    Strips away the wrapper exceptions and returns the actual cause of a request error.
    Returns the default ErrorCauseExtractor, which unwraps common standard library wrapping exceptions.
  • Method Details

    • extract

      Throwable extract(Throwable error)
      Strips away the wrapper exceptions and returns the actual cause of a request error.
    • getDefault

      static ErrorCauseExtractor getDefault()
      Returns the default ErrorCauseExtractor, which unwraps common standard library wrapping exceptions.