Package org.codehaus.groovy.runtime.typehandling

Class DefaultTypeTransformation

  • public class DefaultTypeTransformation
extends java.lang.Object
    Class providing various type conversions, coercions and boxing/unboxing operations.
    Author:
    Guillaume Laforge

    • Field Summary

      Fields 
      Modifier and Type Field Description
      protected static java.lang.Object[] EMPTY_ARGUMENTS  
      protected static java.math.BigInteger ONE_NEG  

    • Method Summary

      All Methods Static Methods Concrete Methods 
      Modifier and Type Method Description
      static java.util.Collection arrayAsCollection​(java.lang.Object value)  
      static <T> java.util.Collection<T> arrayAsCollection​(T[] value)  
      static java.lang.Object asArray​(java.lang.Object object, java.lang.Class type)  
      static java.util.Collection asCollection​(java.lang.Object value)  
      static <T> java.util.Collection<T> asCollection​(T[] value)  
      static boolean booleanUnbox​(java.lang.Object value)  
      static java.lang.Object box​(boolean value)  
      static java.lang.Object box​(byte value)  
      static java.lang.Object box​(char value)  
      static java.lang.Object box​(double value)  
      static java.lang.Object box​(float value)  
      static java.lang.Object box​(int value)  
      static java.lang.Object box​(long value)  
      static java.lang.Object box​(short value)  
      static byte byteUnbox​(java.lang.Object value)  
      static boolean castToBoolean​(java.lang.Object object)
      Method used for coercing an object to a boolean value, thanks to an asBoolean() method added on types.
      static char castToChar​(java.lang.Object object)  
      static java.lang.Number castToNumber​(java.lang.Object object)  
      static java.lang.Number castToNumber​(java.lang.Object object, java.lang.Class type)  
      static java.lang.Object castToType​(java.lang.Object object, java.lang.Class type)  
      static char charUnbox​(java.lang.Object value)  
      static boolean compareArrayEqual​(java.lang.Object left, java.lang.Object right)  
      static boolean compareEqual​(java.lang.Object left, java.lang.Object right)  
      static int compareTo​(java.lang.Object left, java.lang.Object right)
      Compares the two objects handling nulls gracefully and performing numeric type coercion if required
      static boolean[] convertToBooleanArray​(java.lang.Object a)  
      static byte[] convertToByteArray​(java.lang.Object a)  
      static char[] convertToCharArray​(java.lang.Object a)  
      static double[] convertToDoubleArray​(java.lang.Object a)  
      static float[] convertToFloatArray​(java.lang.Object a)  
      static int[] convertToIntArray​(java.lang.Object a)  
      static long[] convertToLongArray​(java.lang.Object a)  
      static java.lang.Object convertToPrimitiveArray​(java.lang.Object a, java.lang.Class type)  
      static short[] convertToShortArray​(java.lang.Object a)  
      static double doubleUnbox​(java.lang.Object value)  
      static float floatUnbox​(java.lang.Object value)  
      static java.lang.Character getCharFromSizeOneString​(java.lang.Object value)  
      static int intUnbox​(java.lang.Object value)  
      static boolean isEnumSubclass​(java.lang.Object value)
      Determines whether the value object is a Class object representing a subclass of java.lang.Enum.
      static long longUnbox​(java.lang.Object value)  
      static java.lang.Object[] primitiveArrayBox​(java.lang.Object array)  
      static java.util.List primitiveArrayToList​(java.lang.Object array)
      Allows conversion of arrays into a mutable List
      static short shortUnbox​(java.lang.Object value)  

      • Methods inherited from class java.lang.Object

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

    • Field Detail

      • EMPTY_ARGUMENTS

        protected static final java.lang.Object[] EMPTY_ARGUMENTS

      • ONE_NEG

        protected static final java.math.BigInteger ONE_NEG

    • Constructor Detail

      • DefaultTypeTransformation

        public DefaultTypeTransformation()

    • Method Detail

      • byteUnbox

        public static byte byteUnbox​(java.lang.Object value)

      • charUnbox

        public static char charUnbox​(java.lang.Object value)

      • shortUnbox

        public static short shortUnbox​(java.lang.Object value)

      • intUnbox

        public static int intUnbox​(java.lang.Object value)

      • booleanUnbox

        public static boolean booleanUnbox​(java.lang.Object value)

      • longUnbox

        public static long longUnbox​(java.lang.Object value)

      • floatUnbox

        public static float floatUnbox​(java.lang.Object value)

      • doubleUnbox

        public static double doubleUnbox​(java.lang.Object value)

      • box

        public static java.lang.Object box​(boolean value)

      • box

        public static java.lang.Object box​(byte value)

      • box

        public static java.lang.Object box​(char value)

      • box

        public static java.lang.Object box​(short value)

      • box

        public static java.lang.Object box​(int value)

      • box

        public static java.lang.Object box​(long value)

      • box

        public static java.lang.Object box​(float value)

      • box

        public static java.lang.Object box​(double value)

      • castToNumber

        public static java.lang.Number castToNumber​(java.lang.Object object)

      • castToNumber

        public static java.lang.Number castToNumber​(java.lang.Object object,
                                            java.lang.Class type)

      • castToBoolean

        public static boolean castToBoolean​(java.lang.Object object)
        Method used for coercing an object to a boolean value, thanks to an asBoolean() method added on types.
        Parameters:
        object - to coerce to a boolean value
        Returns:
        a boolean value

      • castToChar

        public static char castToChar​(java.lang.Object object)

      • castToType

        public static java.lang.Object castToType​(java.lang.Object object,
                                          java.lang.Class type)

      • asArray

        public static java.lang.Object asArray​(java.lang.Object object,
                                       java.lang.Class type)

      • asCollection

        public static <T> java.util.Collection<T> asCollection​(T[] value)

      • asCollection

        public static java.util.Collection asCollection​(java.lang.Object value)

      • arrayAsCollection

        public static java.util.Collection arrayAsCollection​(java.lang.Object value)

      • arrayAsCollection

        public static <T> java.util.Collection<T> arrayAsCollection​(T[] value)

      • isEnumSubclass

        public static boolean isEnumSubclass​(java.lang.Object value)
        Determines whether the value object is a Class object representing a subclass of java.lang.Enum. Uses class name check to avoid breaking on pre-Java 5 JREs.
        Parameters:
        value - an object
        Returns:
        true if the object is an Enum

      • primitiveArrayToList

        public static java.util.List primitiveArrayToList​(java.lang.Object array)
        Allows conversion of arrays into a mutable List
        Parameters:
        array - an array
        Returns:
        the array as a List

      • primitiveArrayBox

        public static java.lang.Object[] primitiveArrayBox​(java.lang.Object array)

      • compareTo

        public static int compareTo​(java.lang.Object left,
                            java.lang.Object right)
        Compares the two objects handling nulls gracefully and performing numeric type coercion if required

      • compareEqual

        public static boolean compareEqual​(java.lang.Object left,
                                   java.lang.Object right)

      • compareArrayEqual

        public static boolean compareArrayEqual​(java.lang.Object left,
                                        java.lang.Object right)

      • convertToIntArray

        public static int[] convertToIntArray​(java.lang.Object a)

      • convertToBooleanArray

        public static boolean[] convertToBooleanArray​(java.lang.Object a)

      • convertToByteArray

        public static byte[] convertToByteArray​(java.lang.Object a)

      • convertToShortArray

        public static short[] convertToShortArray​(java.lang.Object a)

      • convertToCharArray

        public static char[] convertToCharArray​(java.lang.Object a)

      • convertToLongArray

        public static long[] convertToLongArray​(java.lang.Object a)

      • convertToFloatArray

        public static float[] convertToFloatArray​(java.lang.Object a)

      • convertToDoubleArray

        public static double[] convertToDoubleArray​(java.lang.Object a)

      • convertToPrimitiveArray

        public static java.lang.Object convertToPrimitiveArray​(java.lang.Object a,
                                                       java.lang.Class type)

      • getCharFromSizeOneString

        public static java.lang.Character getCharFromSizeOneString​(java.lang.Object value)