Package org.apache.camel.spi

Interface SimpleFunction

public interface SimpleFunction
A custom simple language function This allows to plugin custom functions to the built-in simple language.

  • Method Summary

    Modifier and Type
    Method
    Description
    default boolean
    allowNull()
    Whether this custom function allows null as input value.
    Object
    apply(Exchange exchange, Object input)
    Applies the function to the given input
    String
    getName()
    The name of the function.

  • Method Details

    • getName

      String getName()
      The name of the function. Notice the name must not clash with any of the built-in function names.

    • apply

      Object apply(Exchange exchange, Object input) throws Exception
      Applies the function to the given input
      Parameters:
      exchange - the current exchange
      input - the input object, can be null
      Returns:
      the response
      Throws:
      Exception - can be thrown if there was an error

    • allowNull

      default boolean allowNull()
      Whether this custom function allows null as input value. This is default false to avoid NullPointerException and how the built-in functions also behaves.