Package org.zalando.fahrschein

Class Preconditions

  • public final class Preconditions
extends java.lang.Object

    • Method Summary

      All Methods Static Methods Concrete Methods 
      Modifier and Type Method Description
      static void checkArgument​(boolean expression)  
      static void checkArgument​(boolean expression, java.lang.Object errorMessage)  
      static void checkArgument​(boolean expression, java.lang.String errorMessageTemplate, java.lang.Object... errorMessageArgs)  
      static <T> T checkNotNull​(T reference)  
      static <T> T checkNotNull​(T reference, java.lang.Object errorMessage)  
      static <T> T checkNotNull​(T reference, java.lang.String errorMessageTemplate, java.lang.Object... errorMessageArgs)  
      static void checkState​(boolean expression)  
      static void checkState​(boolean expression, java.lang.Object errorMessage)  
      static void checkState​(boolean expression, java.lang.String errorMessageTemplate, java.lang.Object... errorMessageArgs)  

      • Methods inherited from class java.lang.Object

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

    • Method Detail

      • checkArgument

        public static void checkArgument​(boolean expression)

      • checkArgument

        public static void checkArgument​(boolean expression,
                                 java.lang.Object errorMessage)

      • checkArgument

        public static void checkArgument​(boolean expression,
                                 java.lang.String errorMessageTemplate,
                                 java.lang.Object... errorMessageArgs)

      • checkState

        public static void checkState​(boolean expression)

      • checkState

        public static void checkState​(boolean expression,
                              java.lang.Object errorMessage)

      • checkState

        public static void checkState​(boolean expression,
                              java.lang.String errorMessageTemplate,
                              java.lang.Object... errorMessageArgs)

      • checkNotNull

        public static <T> T checkNotNull​(@Nullable
                                 T reference)

      • checkNotNull

        public static <T> T checkNotNull​(@Nullable
                                 T reference,
                                 java.lang.Object errorMessage)

      • checkNotNull

        public static <T> T checkNotNull​(@Nullable
                                 T reference,
                                 java.lang.String errorMessageTemplate,
                                 java.lang.Object... errorMessageArgs)