Package org.apache.logging.log4j.util

Class LambdaUtil

java.lang.Object
org.apache.logging.log4j.util.LambdaUtil
public final class LambdaUtil extends Object
Utility class for lambda support.
Since:
2.4

  • Method Details

    • getAll

      public static Object[] getAll(Supplier<?>... suppliers)
      Converts an array of lambda expressions into an array of their evaluation results.
      Parameters:
      suppliers - an array of lambda expressions or null
      Returns:
      an array containing the results of evaluating the lambda expressions (or null if the suppliers array was null

    • get

      public static Object get(Supplier<?> supplier)
      Returns the result of evaluating the specified function. If the supplied value is of type Message, this method returns the result of calling #getFormattedMessage on that Message.
      Parameters:
      supplier - a lambda expression or null
      Returns:
      the results of evaluating the lambda expression (or null if the supplier was null

    • get

      public static Message get(MessageSupplier supplier)
      Returns the Message supplied by the specified function.
      Parameters:
      supplier - a lambda expression or null
      Returns:
      the Message resulting from evaluating the lambda expression (or null if the supplier was null

    • getMessage

      public static Message getMessage(Supplier<?> supplier, MessageFactory messageFactory)
      Returns a Message, either the value supplied by the specified function, or a new Message created by the specified Factory.
      Parameters:
      supplier - a lambda expression or null
      Returns:
      the Message resulting from evaluating the lambda expression or the Message created by the factory for supplied values that are not of type Message
      Since:
      2.6