Package org.springframework.amqp.utils

Class JavaUtils

  • public final class JavaUtils
extends java.lang.Object
    Chained utility methods to simplify some Java repetitive code. Obtain a reference to the singleton INSTANCE and then chain calls to the utility methods.
    Since:
    2.1.4
    Author:
    Gary Russell

    • Field Summary

      Fields 
      Modifier and Type Field Description
      static JavaUtils INSTANCE
      The singleton instance of this utility class.

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      <T1,​T2>
      JavaUtils      		 acceptIfCondition​(boolean condition, T1 t1, T2 t2, java.util.function.BiConsumer<T1,​T2> consumer)
      Invoke BiConsumer.accept(Object, Object) with the arguments if the condition is true.
      <T> JavaUtils acceptIfCondition​(boolean condition, T value, java.util.function.Consumer<T> consumer)
      Invoke Consumer.accept(Object) with the value if the condition is true.
      JavaUtils acceptIfHasText​(java.lang.String value, java.util.function.Consumer<java.lang.String> consumer)
      Invoke Consumer.accept(Object) with the value if it is not null or empty.
      <T> JavaUtils acceptIfHasText​(T t1, java.lang.String value, java.util.function.BiConsumer<T,​java.lang.String> consumer)
      Invoke BiConsumer.accept(Object, Object) with the arguments if the value argument is not null or empty.
      <T1,​T2>
      JavaUtils      		 acceptIfNotNull​(T1 t1, T2 t2, java.util.function.BiConsumer<T1,​T2> consumer)
      Invoke BiConsumer.accept(Object, Object) with the arguments if the t2 argument is not null.
      <T> JavaUtils acceptIfNotNull​(T value, java.util.function.Consumer<T> consumer)
      Invoke Consumer.accept(Object) with the value if it is not null.

      • Methods inherited from class java.lang.Object

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

    • Field Detail

      • INSTANCE

        public static final JavaUtils INSTANCE
        The singleton instance of this utility class.

    • Method Detail

      • acceptIfCondition

        public <T> JavaUtils acceptIfCondition​(boolean condition,
                                       T value,
                                       java.util.function.Consumer<T> consumer)
        Invoke Consumer.accept(Object) with the value if the condition is true.
        Type Parameters:
        T - the value type.
        Parameters:
        condition - the condition.
        value - the value.
        consumer - the consumer.
        Returns:
        this.

      • acceptIfNotNull

        public <T> JavaUtils acceptIfNotNull​(T value,
                                     java.util.function.Consumer<T> consumer)
        Invoke Consumer.accept(Object) with the value if it is not null.
        Type Parameters:
        T - the value type.
        Parameters:
        value - the value.
        consumer - the consumer.
        Returns:
        this.

      • acceptIfHasText

        public JavaUtils acceptIfHasText​(java.lang.String value,
                                 java.util.function.Consumer<java.lang.String> consumer)
        Invoke Consumer.accept(Object) with the value if it is not null or empty.
        Parameters:
        value - the value.
        consumer - the consumer.
        Returns:
        this.

      • acceptIfCondition

        public <T1,​T2> JavaUtils acceptIfCondition​(boolean condition,
                                                 T1 t1,
                                                 T2 t2,
                                                 java.util.function.BiConsumer<T1,​T2> consumer)
        Invoke BiConsumer.accept(Object, Object) with the arguments if the condition is true.
        Type Parameters:
        T1 - the first argument type.
        T2 - the second argument type.
        Parameters:
        condition - the condition.
        t1 - the first consumer argument
        t2 - the second consumer argument
        consumer - the consumer.
        Returns:
        this.

      • acceptIfNotNull

        public <T1,​T2> JavaUtils acceptIfNotNull​(T1 t1,
                                               T2 t2,
                                               java.util.function.BiConsumer<T1,​T2> consumer)
        Invoke BiConsumer.accept(Object, Object) with the arguments if the t2 argument is not null.
        Type Parameters:
        T1 - the first argument type.
        T2 - the second argument type.
        Parameters:
        t1 - the first argument
        t2 - the second consumer argument
        consumer - the consumer.
        Returns:
        this.

      • acceptIfHasText

        public <T> JavaUtils acceptIfHasText​(T t1,
                                     java.lang.String value,
                                     java.util.function.BiConsumer<T,​java.lang.String> consumer)
        Invoke BiConsumer.accept(Object, Object) with the arguments if the value argument is not null or empty.
        Type Parameters:
        T - the first argument type.
        Parameters:
        t1 - the first consumer argument.
        value - the second consumer argument
        consumer - the consumer.
        Returns:
        this.