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

Fields

Modifier and Type	Field and Description
protected static Object[]	EMPTY_ARGUMENTS
protected static BigInteger	ONE_NEG

Constructor Summary

Constructors

Constructor and Description
DefaultTypeTransformation()

Method Summary

Methods

Modifier and Type	Method and Description
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) Deprecated.
static Object	box(byte value) Deprecated.
static Object	box(char value) Deprecated.
static Object	box(double value) Deprecated.
static Object	box(float value) Deprecated.
static Object	box(int value) Deprecated.
static Object	box(long value) Deprecated.
static Object	box(short value) Deprecated.
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) Deprecated.
static Number	castToNumber(Object object)
static Number	castToNumber(Object object, Class type)
static Object	castToType(Object object, Class type)
static Object	castToVargsArray(Object[] origin, int firstVargsPos, Class<?> arrayType)
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) Deprecated.
static byte[]	convertToByteArray(Object a) Deprecated.
static char[]	convertToCharArray(Object a) Deprecated.
static double[]	convertToDoubleArray(Object a) Deprecated.
static float[]	convertToFloatArray(Object a) Deprecated.
static int[]	convertToIntArray(Object a) Deprecated.
static long[]	convertToLongArray(Object a) Deprecated.
static Object	convertToPrimitiveArray(Object a, Class type) Deprecated.
static short[]	convertToShortArray(Object a) Deprecated.
static double	doubleUnbox(Object value)
static float	floatUnbox(Object value)
static Character	getCharFromSizeOneString(Object value) Deprecated.
static int	intUnbox(Object value)
static boolean	isEnumSubclass(Object value) Deprecated.
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

@Deprecated
public static Object box(boolean value)

Deprecated.

box

@Deprecated
public static Object box(byte value)

Deprecated.

box

@Deprecated
public static Object box(char value)

Deprecated.

box

@Deprecated
public static Object box(short value)

Deprecated.

box

@Deprecated
public static Object box(int value)

Deprecated.

box

@Deprecated
public static Object box(long value)

Deprecated.

box

@Deprecated
public static Object box(float value)

Deprecated.

box

@Deprecated
public static Object box(double value)

Deprecated.

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

@Deprecated
public static char castToChar(Object object)

Deprecated.

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

@Deprecated
public static boolean isEnumSubclass(Object value)

Deprecated.

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

@Deprecated
public static int[] convertToIntArray(Object a)

Deprecated.

convertToBooleanArray

@Deprecated
public static boolean[] convertToBooleanArray(Object a)

Deprecated.

convertToByteArray

@Deprecated
public static byte[] convertToByteArray(Object a)

Deprecated.

convertToShortArray

@Deprecated
public static short[] convertToShortArray(Object a)

Deprecated.

convertToCharArray

@Deprecated
public static char[] convertToCharArray(Object a)

Deprecated.

convertToLongArray

@Deprecated
public static long[] convertToLongArray(Object a)

Deprecated.

convertToFloatArray

@Deprecated
public static float[] convertToFloatArray(Object a)

Deprecated.

convertToDoubleArray

@Deprecated
public static double[] convertToDoubleArray(Object a)

Deprecated.

convertToPrimitiveArray

@Deprecated
public static Object convertToPrimitiveArray(Object a,
                                        Class type)

Deprecated.

getCharFromSizeOneString

@Deprecated
public static Character getCharFromSizeOneString(Object value)

Deprecated.

castToVargsArray

public static Object castToVargsArray(Object[] origin,
                      int firstVargsPos,
                      Class<?> arrayType)