## org.codehaus.groovy.runtime.typehandling
Class DefaultTypeTransformation

    java.lang.Object
      org.codehaus.groovy.runtime.typehandling.DefaultTypeTransformation

    public class DefaultTypeTransformation

extends Object

Class providing various type conversions, coercions and boxing/unboxing operations.

Author:
  Guillaume Laforge

Field Summary
`protected static Object[]` `EMPTY_ARGUMENTS`
`protected static BigInteger` `ONE_NEG`

Constructor Summary
`DefaultTypeTransformation()`

Method Summary
`static Collection` `arrayAsCollection(Object value)`

`static

`<T> Collection<T>`

`

`arrayAsCollection(T[] value)`

`static Object` `asArray(Object object, Class type)`
`static Collection` `asCollection(Object value)`

`static

`<T> Collection<T>`

`

`asCollection(T[] value)`

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

### ONE_NEG

    protected static final BigInteger ONE_NEG

Constructor Detail

### DefaultTypeTransformation

    public DefaultTypeTransformation()

Method Detail

### byteUnbox

    public static byte byteUnbox(Object value)

### charUnbox

    public static char charUnbox(Object value)

### shortUnbox

    public static short shortUnbox(Object value)

### intUnbox

    public static int intUnbox(Object value)

### booleanUnbox

    public static boolean booleanUnbox(Object value)

### longUnbox

    public static long longUnbox(Object value)

### floatUnbox

    public static float floatUnbox(Object value)

### doubleUnbox

    public static double doubleUnbox(Object value)

### box

    public static Object box(boolean value)

### box

    public static Object box(byte value)

### box

    public static Object box(char value)

### box

    public static Object box(short value)

### box

    public static Object box(int value)

### box

    public static Object box(long value)

### box

    public static Object box(float value)

### box

    public static Object box(double value)

### castToNumber

    public static Number castToNumber(Object object)

### castToNumber

    public static Number castToNumber(Object object,
                                      Class type)

### castToBoolean

    public static boolean castToBoolean(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(Object object)

### castToType

    public static Object castToType(Object object,
                                    Class type)

### asArray

    public static Object asArray(Object object,
                                 Class type)

### asCollection

    public static <T> Collection<T> asCollection(T[] value)

### asCollection

    public static Collection asCollection(Object value)

### arrayAsCollection

    public static Collection arrayAsCollection(Object value)

### arrayAsCollection

    public static <T> Collection<T> arrayAsCollection(T[] value)

### isEnumSubclass

    public static boolean isEnumSubclass(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 List primitiveArrayToList(Object array)

  Allows conversion of arrays into a mutable List

  Parameters:
    `array` - an array
  Returns:
    the array as a List

### primitiveArrayBox

    public static Object[] primitiveArrayBox(Object array)

### compareTo

    public static int compareTo(Object left,
                                Object right)

  Compares the two objects handling nulls gracefully and performing numeric type coercion if required

### compareEqual

    public static boolean compareEqual(Object left,
                                       Object right)

### compareArrayEqual

    public static boolean compareArrayEqual(Object left,
                                            Object right)

### convertToIntArray

    public static int[] convertToIntArray(Object a)

### convertToBooleanArray

    public static boolean[] convertToBooleanArray(Object a)

### convertToByteArray

    public static byte[] convertToByteArray(Object a)

### convertToShortArray

    public static short[] convertToShortArray(Object a)

### convertToCharArray

    public static char[] convertToCharArray(Object a)

### convertToLongArray

    public static long[] convertToLongArray(Object a)

### convertToFloatArray

    public static float[] convertToFloatArray(Object a)

### convertToDoubleArray

    public static double[] convertToDoubleArray(Object a)

### convertToPrimitiveArray

    public static Object convertToPrimitiveArray(Object a,
                                                 Class type)

### getCharFromSizeOneString

    public static Character getCharFromSizeOneString(Object value)

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