java.lang.Object
- org.datanucleus.util.TypeConversionHelper

public class TypeConversionHelper
extends Object

Class with methods for type conversion.

Constructor Summary

Constructors
Constructor Description

TypeConversionHelper()

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static Object`	`convertTo(Object value, Class type)`	Convert the value to a instance of the given type.
`static BigDecimal[]`	`getBigDecimalArrayFromByteArray(byte[] buf)`	Convert a byte[] into an instance of our value class.
`static BigInteger[]`	`getBigIntegerArrayFromByteArray(byte[] buf)`	Convert a byte[] into an instance of our value class.
`static BitSet`	`getBitSetFromBooleanArray(boolean[] buf)`	Convert a boolean[] into an instance of our value class.
`static boolean[]`	`getBooleanArrayFromBitSet(BitSet value)`	Convert an instance of our value class into a boolean[].
`static boolean[]`	`getBooleanArrayFromByteArray(byte[] buf)`	Convert a byte[] into an instance of our value class.
`static Boolean[]`	`getBooleanObjectArrayFromByteArray(byte[] buf)`	Convert a byte[] into an instance of our value class.
`static byte[]`	`getByteArrayFromBigDecimalArray(Object value)`	Convert an instance of our value class into a byte[].
`static byte[]`	`getByteArrayFromBigIntegerArray(Object value)`	Convert an instance of our value class into a byte[].
`static byte[]`	`getByteArrayFromBooleanArray(Object value)`	Convert an instance of our value class into a byte[].
`static byte[]`	`getByteArrayFromBooleanObjectArray(Object value)`	Convert an instance of our value class into a byte[].
`static byte[]`	`getByteArrayFromByteObjectArray(Object value)`	Convert an instance of our value class into a byte[].
`static byte[]`	`getByteArrayFromCharArray(Object value)`	Convert an instance of our value class into a byte[].
`static byte[]`	`getByteArrayFromCharObjectArray(Object value)`	Convert an instance of our value class into a byte[].
`static byte[]`	`getByteArrayFromDoubleArray(Object value)`	Convert an instance of our value class into a byte[].
`static byte[]`	`getByteArrayFromDoubleObjectArray(Object value)`	Convert an instance of our value class into a byte[].
`static byte[]`	`getByteArrayFromFloatArray(Object value)`	Convert an instance of our value class into a byte[].
`static byte[]`	`getByteArrayFromFloatObjectArray(Object value)`	Convert an instance of our value class into a byte[].
`static byte[]`	`getByteArrayFromIntArray(Object value)`	Convert an instance of our value class into a byte[].
`static byte[]`	`getByteArrayFromIntObjectArray(Object value)`	Convert an instance of our value class into a byte[].
`static byte[]`	`getByteArrayFromLongArray(Object value)`	Convert an instance of our value class into a byte[].
`static byte[]`	`getByteArrayFromLongObjectArray(Object value)`	Convert an instance of our value class into a byte[].
`static byte[]`	`getByteArrayFromShortArray(Object value)`	Convert an instance of our value class into a byte[].
`static byte[]`	`getByteArrayFromShortObjectArray(Object value)`	Convert an instance of our value class into a byte[].
`static Byte[]`	`getByteObjectArrayFromByteArray(byte[] buf)`	Convert a byte[] into an instance of our value class.
`static byte[]`	`getBytesFromInt(int val)`	Utility to convert an int into a byte array
`static byte[]`	`getBytesFromShort(short val)`	Utility to convert a short into a a byte array
`static char[]`	`getCharArrayFromByteArray(byte[] buf)`	Convert a byte[] into an instance of our value class.
`static Character[]`	`getCharObjectArrayFromByteArray(byte[] buf)`	Convert a byte[] into an instance of our value class.
`static double[]`	`getDoubleArrayFromByteArray(byte[] buf)`	Convert a byte[] into an instance of our value class.
`static Double[]`	`getDoubleObjectArrayFromByteArray(byte[] buf)`	Convert a byte[] into an instance of our value class.
`static Object`	`getEnumForStoredValue(AbstractMemberMetaData mmd, FieldRole role, Object value, ClassLoaderResolver clr)`
`static float[]`	`getFloatArrayFromByteArray(byte[] buf)`	Convert a byte[] into an instance of our value class.
`static Float[]`	`getFloatObjectArrayFromByteArray(byte[] buf)`	Convert a byte[] into an instance of our value class.
`static String`	`getHexFromInt(int val)`	Utility to convert an int into a 8-char hex String
`static String`	`getHexFromShort(short val)`	Utility to convert a short into a 4-char hex String
`static int[]`	`getIntArrayFromByteArray(byte[] buf)`	Convert a byte[] into an instance of our value class.
`static int`	`getIntFromByteArray(byte[] bytes)`	Utility to convert a byte array to an int.
`static Integer[]`	`getIntObjectArrayFromByteArray(byte[] buf)`	Convert a byte[] into an instance of our value class.
`static JdbcType`	`getJdbcTypeForEnum(AbstractMemberMetaData mmd, FieldRole role, ClassLoaderResolver clr)`
`static long[]`	`getLongArrayFromByteArray(byte[] buf)`	Convert a byte[] into an instance of our value class.
`static Long[]`	`getLongObjectArrayFromByteArray(byte[] buf)`	Convert a byte[] into an instance of our value class.
`static short[]`	`getShortArrayFromByteArray(byte[] buf)`	Convert a byte[] into an instance of our value class.
`static Short[]`	`getShortObjectArrayFromByteArray(byte[] buf)`	Convert a byte[] into an instance of our value class.
`static Object`	`getStoredValueFromEnum(AbstractMemberMetaData mmd, FieldRole role, Enum myEnum)`	Convenience method to return the "value" of an Enum, for a field and role.
`static String`	`getStringFromInt(int val)`	Utility to convert an int into a byte-generated String
`static String`	`getStringFromShort(short val)`	Utility to convert a short into a byte-generated String
`static int`	`intFromString(String str, int dflt)`	Convert a string into an integer.
`static Timestamp`	`stringToTimestamp(String s, Calendar cal)`	Converts a string in JDBC timestamp escape format to a Timestamp object.
`static String`	`timestampToString(Timestamp ts, Calendar cal)`	Formats a timestamp in JDBC timestamp escape format using the timezone of the passed Calendar.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - TypeConversionHelper
```
public TypeConversionHelper()
```
- Method Detail
  - getBooleanArrayFromBitSet
```
public static boolean[] getBooleanArrayFromBitSet(BitSet value)
```
    Convert an instance of our value class into a boolean[].
    
    Parameters:
    
    value - Object to be converted
    
    Returns:
    
    converted boolean array
  - getBitSetFromBooleanArray
```
public static BitSet getBitSetFromBooleanArray(boolean[] buf)
```
    Convert a boolean[] into an instance of our value class.
    
    Parameters:
    
    buf - boolean array to be converted
    
    Returns:
    
    converted boolean array as BitSet
  - getBooleanArrayFromByteArray
```
public static boolean[] getBooleanArrayFromByteArray(byte[] buf)
```
    Convert a byte[] into an instance of our value class.
    
    Parameters:
    
    buf - byte array to be converted
    
    Returns:
    
    converted boolean array as object
  - getByteArrayFromBooleanArray
```
public static byte[] getByteArrayFromBooleanArray(Object value)
```
    Convert an instance of our value class into a byte[].
    
    Parameters:
    
    value - Object to be converted
    
    Returns:
    
    converted byte array
  - getCharArrayFromByteArray
```
public static char[] getCharArrayFromByteArray(byte[] buf)
```
    Convert a byte[] into an instance of our value class.
    
    Parameters:
    
    buf - byte array to be converted
    
    Returns:
    
    converted char array as object
  - getByteArrayFromCharArray
```
public static byte[] getByteArrayFromCharArray(Object value)
```
    Convert an instance of our value class into a byte[].
    
    Parameters:
    
    value - Object to be converted
    
    Returns:
    
    converted byte array
  - getDoubleArrayFromByteArray
```
public static double[] getDoubleArrayFromByteArray(byte[] buf)
```
    Convert a byte[] into an instance of our value class.
    
    Parameters:
    
    buf - byte array to be converted
    
    Returns:
    
    converted double array as object
  - getByteArrayFromDoubleArray
```
public static byte[] getByteArrayFromDoubleArray(Object value)
```
    Convert an instance of our value class into a byte[].
    
    Parameters:
    
    value - Object to be converted
    
    Returns:
    
    converted byte array
  - getFloatArrayFromByteArray
```
public static float[] getFloatArrayFromByteArray(byte[] buf)
```
    Convert a byte[] into an instance of our value class.
    
    Parameters:
    
    buf - byte array to be converted
    
    Returns:
    
    converted float array as object
  - getByteArrayFromFloatArray
```
public static byte[] getByteArrayFromFloatArray(Object value)
```
    Convert an instance of our value class into a byte[].
    
    Parameters:
    
    value - Object to be converted
    
    Returns:
    
    converted byte array
  - getIntArrayFromByteArray
```
public static int[] getIntArrayFromByteArray(byte[] buf)
```
    Convert a byte[] into an instance of our value class.
    
    Parameters:
    
    buf - byte array to be converted
    
    Returns:
    
    converted int array as object
  - getByteArrayFromIntArray
```
public static byte[] getByteArrayFromIntArray(Object value)
```
    Convert an instance of our value class into a byte[].
    
    Parameters:
    
    value - Object to be converted
    
    Returns:
    
    converted byte array
  - getLongArrayFromByteArray
```
public static long[] getLongArrayFromByteArray(byte[] buf)
```
    Convert a byte[] into an instance of our value class.
    
    Parameters:
    
    buf - byte array to be converted
    
    Returns:
    
    converted long array as object
  - getByteArrayFromLongArray
```
public static byte[] getByteArrayFromLongArray(Object value)
```
    Convert an instance of our value class into a byte[].
    
    Parameters:
    
    value - Object to be converted
    
    Returns:
    
    converted byte array
  - getShortArrayFromByteArray
```
public static short[] getShortArrayFromByteArray(byte[] buf)
```
    Convert a byte[] into an instance of our value class.
    
    Parameters:
    
    buf - byte array to be converted
    
    Returns:
    
    converted short array as object
  - getByteArrayFromShortArray
```
public static byte[] getByteArrayFromShortArray(Object value)
```
    Convert an instance of our value class into a byte[].
    
    Parameters:
    
    value - Object to be converted
    
    Returns:
    
    converted byte array
  - getByteArrayFromBigDecimalArray
```
public static byte[] getByteArrayFromBigDecimalArray(Object value)
```
    Convert an instance of our value class into a byte[].
    
    Parameters:
    
    value - Object to be converted
    
    Returns:
    
    converted byte array
  - getBigDecimalArrayFromByteArray
```
public static BigDecimal[] getBigDecimalArrayFromByteArray(byte[] buf)
```
    Convert a byte[] into an instance of our value class.
    
    Parameters:
    
    buf - byte array to be converted
    
    Returns:
    
    converted BigDecimal array as object
  - getByteArrayFromBigIntegerArray
```
public static byte[] getByteArrayFromBigIntegerArray(Object value)
```
    Convert an instance of our value class into a byte[].
    
    Parameters:
    
    value - Object to be converted
    
    Returns:
    
    converted byte array
  - getBigIntegerArrayFromByteArray
```
public static BigInteger[] getBigIntegerArrayFromByteArray(byte[] buf)
```
    Convert a byte[] into an instance of our value class.
    
    Parameters:
    
    buf - byte array to be converted
    
    Returns:
    
    converted short array as object
  - getByteArrayFromBooleanObjectArray
```
public static byte[] getByteArrayFromBooleanObjectArray(Object value)
```
    Convert an instance of our value class into a byte[].
    
    Parameters:
    
    value - Boolean[] to be converted
    
    Returns:
    
    converted byte array
  - getBooleanObjectArrayFromByteArray
```
public static Boolean[] getBooleanObjectArrayFromByteArray(byte[] buf)
```
    Convert a byte[] into an instance of our value class.
    
    Parameters:
    
    buf - byte array to be converted
    
    Returns:
    
    converted Boolean array as object
  - getByteArrayFromByteObjectArray
```
public static byte[] getByteArrayFromByteObjectArray(Object value)
```
    Convert an instance of our value class into a byte[].
    
    Parameters:
    
    value - Byte[] to be converted
    
    Returns:
    
    converted byte array
  - getByteObjectArrayFromByteArray
```
public static Byte[] getByteObjectArrayFromByteArray(byte[] buf)
```
    Convert a byte[] into an instance of our value class.
    
    Parameters:
    
    buf - byte array to be converted
    
    Returns:
    
    converted Byte array as object
  - getByteArrayFromCharObjectArray
```
public static byte[] getByteArrayFromCharObjectArray(Object value)
```
    Convert an instance of our value class into a byte[].
    
    Parameters:
    
    value - Character array to be converted
    
    Returns:
    
    converted byte array
  - getCharObjectArrayFromByteArray
```
public static Character[] getCharObjectArrayFromByteArray(byte[] buf)
```
    Convert a byte[] into an instance of our value class.
    
    Parameters:
    
    buf - byte array to be converted
    
    Returns:
    
    converted Character array as object
  - getByteArrayFromDoubleObjectArray
```
public static byte[] getByteArrayFromDoubleObjectArray(Object value)
```
    Convert an instance of our value class into a byte[].
    
    Parameters:
    
    value - Double array to be converted
    
    Returns:
    
    converted byte array
  - getDoubleObjectArrayFromByteArray
```
public static Double[] getDoubleObjectArrayFromByteArray(byte[] buf)
```
    Convert a byte[] into an instance of our value class.
    
    Parameters:
    
    buf - byte array to be converted
    
    Returns:
    
    converted Double array as object
  - getByteArrayFromFloatObjectArray
```
public static byte[] getByteArrayFromFloatObjectArray(Object value)
```
    Convert an instance of our value class into a byte[].
    
    Parameters:
    
    value - Float array to be converted
    
    Returns:
    
    converted byte array
  - getFloatObjectArrayFromByteArray
```
public static Float[] getFloatObjectArrayFromByteArray(byte[] buf)
```
    Convert a byte[] into an instance of our value class.
    
    Parameters:
    
    buf - byte array to be converted
    
    Returns:
    
    converted Float array as object
  - getByteArrayFromIntObjectArray
```
public static byte[] getByteArrayFromIntObjectArray(Object value)
```
    Convert an instance of our value class into a byte[].
    
    Parameters:
    
    value - Integer array to be converted
    
    Returns:
    
    converted byte array
  - getIntObjectArrayFromByteArray
```
public static Integer[] getIntObjectArrayFromByteArray(byte[] buf)
```
    Convert a byte[] into an instance of our value class.
    
    Parameters:
    
    buf - byte array to be converted
    
    Returns:
    
    converted Integer array as object
  - getByteArrayFromLongObjectArray
```
public static byte[] getByteArrayFromLongObjectArray(Object value)
```
    Convert an instance of our value class into a byte[].
    
    Parameters:
    
    value - Long array to be converted
    
    Returns:
    
    converted byte array
  - getLongObjectArrayFromByteArray
```
public static Long[] getLongObjectArrayFromByteArray(byte[] buf)
```
    Convert a byte[] into an instance of our value class.
    
    Parameters:
    
    buf - byte array to be converted
    
    Returns:
    
    converted Long array as object
  - getByteArrayFromShortObjectArray
```
public static byte[] getByteArrayFromShortObjectArray(Object value)
```
    Convert an instance of our value class into a byte[].
    
    Parameters:
    
    value - Short array to be converted
    
    Returns:
    
    converted byte array
  - getShortObjectArrayFromByteArray
```
public static Short[] getShortObjectArrayFromByteArray(byte[] buf)
```
    Convert a byte[] into an instance of our value class.
    
    Parameters:
    
    buf - byte array to be converted
    
    Returns:
    
    converted Short array as object
  - convertTo
```
public static Object convertTo(Object value,
                               Class type)
```
    Convert the value to a instance of the given type. The value is converted only if the type can't be assigned from the current type of the value instance.
    
    Parameters:
    
    value - the value to be converted
    
    type - the type of the expected object returned from the conversion
    
    Returns:
    
    the converted object, or the input value if the object can't be converted
  - getBytesFromInt
```
public static byte[] getBytesFromInt(int val)
```
    Utility to convert an int into a byte array
    
    Parameters:
    
    val - The int
    
    Returns:
    
    The bytes
  - getBytesFromShort
```
public static byte[] getBytesFromShort(short val)
```
    Utility to convert a short into a a byte array
    
    Parameters:
    
    val - The short
    
    Returns:
    
    The bytes
  - getStringFromInt
```
public static String getStringFromInt(int val)
```
    Utility to convert an int into a byte-generated String
    
    Parameters:
    
    val - The int
    
    Returns:
    
    The String form of the bytes
  - getStringFromShort
```
public static String getStringFromShort(short val)
```
    Utility to convert a short into a byte-generated String
    
    Parameters:
    
    val - The short
    
    Returns:
    
    The String form of the bytes
  - getHexFromInt
```
public static String getHexFromInt(int val)
```
    Utility to convert an int into a 8-char hex String
    
    Parameters:
    
    val - The int
    
    Returns:
    
    The hex String form of the int
  - getHexFromShort
```
public static String getHexFromShort(short val)
```
    Utility to convert a short into a 4-char hex String
    
    Parameters:
    
    val - The short
    
    Returns:
    
    The hex String form of the short
  - getIntFromByteArray
```
public static int getIntFromByteArray(byte[] bytes)
```
    Utility to convert a byte array to an int.
    
    Parameters:
    
    bytes - The byte array
    
    Returns:
    
    The int
  - stringToTimestamp
```
public static Timestamp stringToTimestamp(String s,
                                          Calendar cal)
```
    Converts a string in JDBC timestamp escape format to a Timestamp object. To be precise, we prefer to find a JDBC escape type sequence in the format "yyyy-mm-dd hh:mm:ss.fffffffff", but this does not accept other separators of fields, so as long as the numbers are in the order year, month, day, hour, minute, second then we accept it.
    
    Parameters:
    
    s - Timestamp string
    
    cal - The Calendar to use for conversion
    
    Returns:
    
    Corresponding java.sql.Timestamp value.
    
    Throws:
    
    IllegalArgumentException - Thrown if the format of the String is invalid
  - timestampToString
```
public static String timestampToString(Timestamp ts,
                                       Calendar cal)
```
    Formats a timestamp in JDBC timestamp escape format using the timezone of the passed Calendar.
    
    Parameters:
    
    ts - The timestamp to be formatted.
    
    cal - The Calendar
    
    Returns:
    
    A String in yyyy-mm-dd hh:mm:ss.fffffffff format.
    
    See Also:
    
    Timestamp
  - intFromString
```
public static int intFromString(String str,
                                int dflt)
```
    Convert a string into an integer. Returns the default value if not convertable.
    
    Parameters:
    
    str - The string
    
    dflt - The default value
    
    Returns:
    
    The converted int value
  - getJdbcTypeForEnum
```
public static JdbcType getJdbcTypeForEnum(AbstractMemberMetaData mmd,
                                          FieldRole role,
                                          ClassLoaderResolver clr)
```
  - getEnumForStoredValue
```
public static Object getEnumForStoredValue(AbstractMemberMetaData mmd,
                                           FieldRole role,
                                           Object value,
                                           ClassLoaderResolver clr)
```
  - getStoredValueFromEnum
```
public static Object getStoredValueFromEnum(AbstractMemberMetaData mmd,
                                            FieldRole role,
                                            Enum myEnum)
```
    Convenience method to return the "value" of an Enum, for a field and role. Firstly checks for a defined method on the Enum that returns the "value", otherwise falls back to use the ordinal.
    
    Parameters:
    
    mmd - Metadata for the member
    
    role - Role of the Enum in this member
    
    myEnum - The enum
    
    Returns:
    
    The "value" (String or Integer)

Class TypeConversionHelper

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

TypeConversionHelper

Method Detail

getBooleanArrayFromBitSet

getBitSetFromBooleanArray

getBooleanArrayFromByteArray

getByteArrayFromBooleanArray

getCharArrayFromByteArray

getByteArrayFromCharArray

getDoubleArrayFromByteArray

getByteArrayFromDoubleArray

getFloatArrayFromByteArray

getByteArrayFromFloatArray

getIntArrayFromByteArray

getByteArrayFromIntArray

getLongArrayFromByteArray

getByteArrayFromLongArray

getShortArrayFromByteArray

getByteArrayFromShortArray

getByteArrayFromBigDecimalArray

getBigDecimalArrayFromByteArray

getByteArrayFromBigIntegerArray

getBigIntegerArrayFromByteArray

getByteArrayFromBooleanObjectArray

getBooleanObjectArrayFromByteArray

getByteArrayFromByteObjectArray

getByteObjectArrayFromByteArray

getByteArrayFromCharObjectArray

getCharObjectArrayFromByteArray

getByteArrayFromDoubleObjectArray

getDoubleObjectArrayFromByteArray

getByteArrayFromFloatObjectArray

getFloatObjectArrayFromByteArray

getByteArrayFromIntObjectArray

getIntObjectArrayFromByteArray

getByteArrayFromLongObjectArray

getLongObjectArrayFromByteArray

getByteArrayFromShortObjectArray

getShortObjectArrayFromByteArray

convertTo

getBytesFromInt

getBytesFromShort

getStringFromInt

getStringFromShort

getHexFromInt

getHexFromShort

getIntFromByteArray

stringToTimestamp

timestampToString

intFromString

getJdbcTypeForEnum

getEnumForStoredValue

getStoredValueFromEnum