| java.lang.Object
 net.sourceforge.pmd.util.CollectionUtil
| CollectionUtil | | public class CollectionUtil (Code) | | Generic collection and array-related utility functions.
author:
Brian Remedios
version:
$Revision$ |
| Method Summary | |
| final public static boolean | areEqual(Object value, Object otherValue)
A comprehensive isEqual method that handles nulls and arrays safely. | | final public static boolean | arraysAreEqual(Object value, Object otherValue)
Returns true if the objects are array instances and each of their elements compares
via equals as well. | | public static Set<T> | asSet(T[] items)
Returns the items as a populated set. | | public static Class | getCollectionTypeFor(String shortName)
Returns the collection type if we recognize it by its short name. | | public static Map<V, K> | invertedMapFrom(Map<K, V> source)
Returns a map based on the source but with the key & values swapped. | | public static boolean | isCollectionType(String typeName, boolean includeInterfaces)
Return whether we can identify the typeName as a java.util collection class
or interface as specified. | | public static boolean | isCollectionType(Class clazzType, boolean includeInterfaces)
Return whether we can identify the typeName as a java.util collection class
or interface as specified. | | public static Map<K, V> | mapFrom(K[] keys, V[] values)
Creates and returns a map populated with the keyValuesSets where
the value held by the tuples are they key and value in that order. | | final public static boolean | valuesAreTransitivelyEqual(Object[] thisArray, Object[] thatArray)
Returns whether the arrays are equal by examining each of their elements, even if they are
arrays themselves. |
| collectionClassesByNames | | final public static TypeMap collectionClassesByNames(Code) | | |
| collectionInterfacesByNames | | final public static TypeMap collectionInterfacesByNames(Code) | | |
| areEqual | | final public static boolean areEqual(Object value, Object otherValue)(Code) | | A comprehensive isEqual method that handles nulls and arrays safely.
Parameters:
value - Object
Parameters:
otherValue - Object boolean |
| arraysAreEqual | | final public static boolean arraysAreEqual(Object value, Object otherValue)(Code) | | Returns true if the objects are array instances and each of their elements compares
via equals as well.
Parameters:
value - Object
Parameters:
otherValue - Object boolean |
| asSet | | public static Set<T> asSet(T[] items)(Code) | | Returns the items as a populated set.
Parameters:
items - Object[] Set |
| getCollectionTypeFor | | public static Class getCollectionTypeFor(String shortName)(Code) | | Returns the collection type if we recognize it by its short name.
Parameters:
shortName - String Class |
| invertedMapFrom | | public static Map<V, K> invertedMapFrom(Map<K, V> source)(Code) | | Returns a map based on the source but with the key & values swapped.
Parameters:
source - Map Map |
| isCollectionType | | public static boolean isCollectionType(String typeName, boolean includeInterfaces)(Code) | | Return whether we can identify the typeName as a java.util collection class
or interface as specified.
Parameters:
typeName - String
Parameters:
includeInterfaces - boolean boolean |
| isCollectionType | | public static boolean isCollectionType(Class clazzType, boolean includeInterfaces)(Code) | | Return whether we can identify the typeName as a java.util collection class
or interface as specified.
Parameters:
clazzType - Class
Parameters:
includeInterfaces - boolean boolean |
| mapFrom | | public static Map<K, V> mapFrom(K[] keys, V[] values)(Code) | | Creates and returns a map populated with the keyValuesSets where
the value held by the tuples are they key and value in that order.
Parameters:
keys - K[]
Parameters:
values - V[] Map |
| valuesAreTransitivelyEqual | | final public static boolean valuesAreTransitivelyEqual(Object[] thisArray, Object[] thatArray)(Code) | | Returns whether the arrays are equal by examining each of their elements, even if they are
arrays themselves.
Parameters:
thisArray - Object[]
Parameters:
thatArray - Object[] boolean |
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