org.springframework.core

Interface ParameterNameDiscoverer

  • All Known Implementing Classes:
    LocalVariableTableParameterNameDiscoverer, PrioritizedParameterNameDiscoverer

    public interface ParameterNameDiscoverer
    Interface to discover parameter names for methods and constructors.

    Parameter name discovery is not always possible, but various strategies are available to try, such as looking for debug information that may have been emitted at compile time, and looking for argname annotation values optionally accompanying AspectJ annotated methods.

    Since:
    2.0
    Author:
    Rod Johnson, Adrian Colyer
    • Method Summary

      Methods  
      Modifier and Type Method and Description
      String[] getParameterNames(Constructor<?> ctor)
      Return parameter names for this constructor, or null if they cannot be determined.
      String[] getParameterNames(Method method)
      Return parameter names for this method, or null if they cannot be determined.
    • Method Detail

      • getParameterNames

        String[] getParameterNames(Method method)
        Return parameter names for this method, or null if they cannot be determined.
        Parameters:
        method - method to find parameter names for
        Returns:
        an array of parameter names if the names can be resolved, or null if they cannot
      • getParameterNames

        String[] getParameterNames(Constructor<?> ctor)
        Return parameter names for this constructor, or null if they cannot be determined.
        Parameters:
        ctor - constructor to find parameter names for
        Returns:
        an array of parameter names if the names can be resolved, or null if they cannot