Class StandardComparisonStrategy

  • All Implemented Interfaces:
    ComparisonStrategy

    public class StandardComparisonStrategy
    extends AbstractComparisonStrategy
    Implements ComparisonStrategy contract with a comparison strategy based on Object.equals(Object) method, it is also based on Comparable.compareTo(Object) when Object are Comparable method.
    Author:
    Joel Costigliola
    • Method Summary

      All Methods Static Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      boolean areEqual​(java.lang.Object actual, java.lang.Object other)
      Returns true if actual and other are equal based on Object.equals(Object), false otherwise.
      java.lang.Iterable<?> duplicatesFrom​(java.lang.Iterable<?> iterable)
      Returns any duplicate elements from the given collection according to Object.equals(Object) comparison strategy.
      static StandardComparisonStrategy instance()
      Returns the singleton instance of this class.
      boolean isGreaterThan​(java.lang.Object actual, java.lang.Object other)
      Returns true if actual is greater than other, false otherwise.
      boolean iterableContains​(java.lang.Iterable<?> iterable, java.lang.Object value)
      Returns true if given Iterable contains given value based on Object.equals(Object), false otherwise.
      If given Iterable is null, return false.
      void iterableRemoves​(java.lang.Iterable<?> iterable, java.lang.Object value)
      Look for given value in given Iterable according to the implemented comparison strategy, if value is found it is removed from it.
      If given Iterable is null, does nothing.
      boolean stringContains​(java.lang.String string, java.lang.String sequence)
      Returns true if given string contains given sequence according to the implemented comparison strategy, false otherwise.
      boolean stringEndsWith​(java.lang.String string, java.lang.String suffix)
      Returns true if sstring ends with suffix according to the implemented comparison strategy, false otherwise.
      boolean stringStartsWith​(java.lang.String string, java.lang.String prefix)
      Returns true if string starts with prefix according to the implemented comparison strategy, false otherwise.
      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
    • Method Detail

      • instance

        public static StandardComparisonStrategy instance()
        Returns the singleton instance of this class.
        Returns:
        the singleton instance of this class.
      • areEqual

        public boolean areEqual​(java.lang.Object actual,
                                java.lang.Object other)
        Returns true if actual and other are equal based on Object.equals(Object), false otherwise.
        Parameters:
        actual - the object to compare to other
        other - the object to compare to actual
        Returns:
        true if actual and other are equal based on Object.equals(Object), false otherwise.
      • iterableContains

        public boolean iterableContains​(java.lang.Iterable<?> iterable,
                                        java.lang.Object value)
        Returns true if given Iterable contains given value based on Object.equals(Object), false otherwise.
        If given Iterable is null, return false.
        Parameters:
        iterable - the Iterable to search value in
        value - the object to look for in given Iterable
        Returns:
        true if given Iterable contains given value based on Object.equals(Object), false otherwise.
      • iterableRemoves

        public void iterableRemoves​(java.lang.Iterable<?> iterable,
                                    java.lang.Object value)
        Look for given value in given Iterable according to the implemented comparison strategy, if value is found it is removed from it.
        If given Iterable is null, does nothing.
        Parameters:
        iterable - the Iterable we want remove value from
        value - object to remove from given Iterable
      • duplicatesFrom

        public java.lang.Iterable<?> duplicatesFrom​(java.lang.Iterable<?> iterable)
        Returns any duplicate elements from the given collection according to Object.equals(Object) comparison strategy.
        Specified by:
        duplicatesFrom in interface ComparisonStrategy
        Overrides:
        duplicatesFrom in class AbstractComparisonStrategy
        Parameters:
        iterable - the given Iterable we want to extract duplicate elements.
        Returns:
        an Iterable containing the duplicate elements of the given one. If no duplicates are found, an empty Iterable is returned.
      • stringStartsWith

        public boolean stringStartsWith​(java.lang.String string,
                                        java.lang.String prefix)
        Description copied from interface: ComparisonStrategy
        Returns true if string starts with prefix according to the implemented comparison strategy, false otherwise.
        Parameters:
        string - the String we want to look starting prefix
        prefix - the prefix String to look for at string's start
        Returns:
        true if string starts with prefix according to the implemented comparison strategy, false otherwise.
      • stringEndsWith

        public boolean stringEndsWith​(java.lang.String string,
                                      java.lang.String suffix)
        Description copied from interface: ComparisonStrategy
        Returns true if sstring ends with suffix according to the implemented comparison strategy, false otherwise.
        Parameters:
        string - the String we want to look starting suffix
        suffix - the suffix String to look for at string's end
        Returns:
        true if string ends with suffix according to the implemented comparison strategy, false otherwise.
      • stringContains

        public boolean stringContains​(java.lang.String string,
                                      java.lang.String sequence)
        Description copied from interface: ComparisonStrategy
        Returns true if given string contains given sequence according to the implemented comparison strategy, false otherwise.
        Parameters:
        string - the string to search sequence in (must not be null)
        sequence - the String to look for in given string
        Returns:
        true if given string contains given sequence according to the implemented comparison strategy, false otherwise.
      • isGreaterThan

        public boolean isGreaterThan​(java.lang.Object actual,
                                     java.lang.Object other)
        Description copied from interface: ComparisonStrategy
        Returns true if actual is greater than other, false otherwise.
        Parameters:
        actual - the object to compare to other
        other - the object to compare to actual
        Returns:
        true if actual is greater than other, false otherwise.