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## org.apache.commons.beanutils
Class ConvertUtils

    java.lang.Object
      org.apache.commons.beanutils.ConvertUtils

    public class ConvertUtils

extends Object

Utility methods for converting String scalar values to objects of the specified Class, String arrays to arrays of the specified Class.

For more details, see `ConvertUtilsBean` which provides the implementations for these methods.

Version:
  $Revision: 556229 $ $Date: 2007-07-14 07:11:19 +0100 (Sat, 14 Jul 2007) $
Author:
  Craig R. McClanahan, Ralph Schaer, Chris Audley
See Also:
  `ConvertUtilsBean`

Constructor Summary
`ConvertUtils()`

Method Summary
`static String` | `convert(Object value)` Convert the specified value into a String.
`static Object` | `convert(Object value, Class targetType)` Convert the value to an object of the specified class (if possible).
`static Object` | `convert(String[] values, Class clazz)` Convert an array of specified values to an array of objects of the specified class (if possible).
`static Object` | `convert(String value, Class clazz)` Convert the specified value to an object of the specified class (if possible).
`static void` | `deregister()` Remove all registered `Converter`s, and re-establish the standard Converters.
`static void` | `deregister(Class clazz)` Remove any registered `Converter` for the specified destination `Class`.
`static boolean` | `getDefaultBoolean()` Deprecated. Register replacement converters for Boolean.TYPE and Boolean.class instead
`static byte` | `getDefaultByte()` Deprecated. Register replacement converters for Byte.TYPE and Byte.class instead
`static char` | `getDefaultCharacter()` Deprecated. Register replacement converters for Character.TYPE and Character.class instead
`static double` | `getDefaultDouble()` Deprecated. Register replacement converters for Double.TYPE and Double.class instead
`static float` | `getDefaultFloat()` Deprecated. Register replacement converters for Float.TYPE and Float.class instead
`static int` | `getDefaultInteger()` Deprecated. Register replacement converters for Integer.TYPE and Integer.class instead
`static long` | `getDefaultLong()` Deprecated. Register replacement converters for Long.TYPE and Long.class instead
`static short` | `getDefaultShort()` Deprecated. Register replacement converters for Short.TYPE and Short.class instead
`static Converter` | `lookup(Class clazz)` Look up and return any registered `Converter` for the specified destination class; if there is no registered Converter, return `null`.
`static Converter` | `lookup(Class sourceType, Class targetType)` Look up and return any registered `Converter` for the specified source and destination class; if there is no registered Converter, return `null`.
`static void` | `register(Converter converter, Class clazz)` Register a custom `Converter` for the specified destination `Class`, replacing any previously registered Converter.
`static void` | `setDefaultBoolean(boolean newDefaultBoolean)` Deprecated. Register replacement converters for Boolean.TYPE and Boolean.class instead
`static void` | `setDefaultByte(byte newDefaultByte)` Deprecated. Register replacement converters for Byte.TYPE and Byte.class instead
`static void` | `setDefaultCharacter(char newDefaultCharacter)` Deprecated. Register replacement converters for Character.TYPE and Character.class instead
`static void` | `setDefaultDouble(double newDefaultDouble)` Deprecated. Register replacement converters for Double.TYPE and Double.class instead
`static void` | `setDefaultFloat(float newDefaultFloat)` Deprecated. Register replacement converters for Float.TYPE and Float.class instead
`static void` | `setDefaultInteger(int newDefaultInteger)` Deprecated. Register replacement converters for Integer.TYPE and Integer.class instead
`static void` | `setDefaultLong(long newDefaultLong)` Deprecated. Register replacement converters for Long.TYPE and Long.class instead
`static void` | `setDefaultShort(short newDefaultShort)` Deprecated. Register replacement converters for Short.TYPE and Short.class instead

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

Constructor Detail

### ConvertUtils

    public ConvertUtils()

Method Detail

### getDefaultBoolean

    public static boolean getDefaultBoolean()

  Deprecated. Register replacement converters for Boolean.TYPE and Boolean.class instead

  Gets the default value for Boolean conversions.

  Returns:
    The default Boolean value

### setDefaultBoolean

    public static void setDefaultBoolean(boolean newDefaultBoolean)

  Deprecated. Register replacement converters for Boolean.TYPE and Boolean.class instead

  Sets the default value for Boolean conversions.

  Parameters:
    `newDefaultBoolean` - The default Boolean value

### getDefaultByte

    public static byte getDefaultByte()

  Deprecated. Register replacement converters for Byte.TYPE and Byte.class instead

  Gets the default value for Byte conversions.

  Returns:
    The default Byte value

### setDefaultByte

    public static void setDefaultByte(byte newDefaultByte)

  Deprecated. Register replacement converters for Byte.TYPE and Byte.class instead

  Sets the default value for Byte conversions.

  Parameters:
    `newDefaultByte` - The default Byte value

### getDefaultCharacter

    public static char getDefaultCharacter()

  Deprecated. Register replacement converters for Character.TYPE and Character.class instead

  Gets the default value for Character conversions.

  Returns:
    The default Character value

### setDefaultCharacter

    public static void setDefaultCharacter(char newDefaultCharacter)

  Deprecated. Register replacement converters for Character.TYPE and Character.class instead

  Sets the default value for Character conversions.

  Parameters:
    `newDefaultCharacter` - The default Character value

### getDefaultDouble

    public static double getDefaultDouble()

  Deprecated. Register replacement converters for Double.TYPE and Double.class instead

  Gets the default value for Double conversions.

  Returns:
    The default Double value

### setDefaultDouble

    public static void setDefaultDouble(double newDefaultDouble)

  Deprecated. Register replacement converters for Double.TYPE and Double.class instead

  Sets the default value for Double conversions.

  Parameters:
    `newDefaultDouble` - The default Double value

### getDefaultFloat

    public static float getDefaultFloat()

  Deprecated. Register replacement converters for Float.TYPE and Float.class instead

  Get the default value for Float conversions.

  Returns:
    The default Float value

### setDefaultFloat

    public static void setDefaultFloat(float newDefaultFloat)

  Deprecated. Register replacement converters for Float.TYPE and Float.class instead

  Sets the default value for Float conversions.

  Parameters:
    `newDefaultFloat` - The default Float value

### getDefaultInteger

    public static int getDefaultInteger()

  Deprecated. Register replacement converters for Integer.TYPE and Integer.class instead

  Gets the default value for Integer conversions.

  Returns:
    The default Integer value

### setDefaultInteger

    public static void setDefaultInteger(int newDefaultInteger)

  Deprecated. Register replacement converters for Integer.TYPE and Integer.class instead

  Sets the default value for Integer conversions.

  Parameters:
    `newDefaultInteger` - The default Integer value

### getDefaultLong

    public static long getDefaultLong()

  Deprecated. Register replacement converters for Long.TYPE and Long.class instead

  Gets the default value for Long conversions.

  Returns:
    The default Long value

### setDefaultLong

    public static void setDefaultLong(long newDefaultLong)

  Deprecated. Register replacement converters for Long.TYPE and Long.class instead

  Sets the default value for Long conversions.

  Parameters:
    `newDefaultLong` - The default Long value

### getDefaultShort

    public static short getDefaultShort()

  Deprecated. Register replacement converters for Short.TYPE and Short.class instead

  Gets the default value for Short conversions.

  Returns:
    The default Short value

### setDefaultShort

    public static void setDefaultShort(short newDefaultShort)

  Deprecated. Register replacement converters for Short.TYPE and Short.class instead

  Sets the default value for Short conversions.

  Parameters:
    `newDefaultShort` - The default Short value

### convert

    public static String convert(Object value)

  Convert the specified value into a String.

  For more details see `ConvertUtilsBean`.

  Parameters:
    `value` - Value to be converted (may be null)
  Returns:
    The converted String value
  See Also:
    `ConvertUtilsBean.convert(Object)`

### convert

    public static Object convert(String value,
                                 Class clazz)

  Convert the specified value to an object of the specified class (if possible). Otherwise, return a String representation of the value.

  For more details see `ConvertUtilsBean`.

  Parameters:
    `value` - Value to be converted (may be null)
    `clazz` - Java class to be converted to
  Returns:
    The converted value
  See Also:
    `ConvertUtilsBean.convert(String, Class)`

### convert

    public static Object convert(String[] values,
                                 Class clazz)

  Convert an array of specified values to an array of objects of the specified class (if possible).

  For more details see `ConvertUtilsBean`.

  Parameters:
    `values` - Array of values to be converted
    `clazz` - Java array or element class to be converted to
  Returns:
    The converted value
  See Also:
    `ConvertUtilsBean.convert(String[], Class)`

### convert

    public static Object convert(Object value,
                                 Class targetType)

  Convert the value to an object of the specified class (if possible).

  Parameters:
    `value` - Value to be converted (may be null)
    `targetType` - Class of the value to be converted to
  Returns:
    The converted value
  Throws:
    `ConversionException` - if thrown by an underlying Converter

### deregister

    public static void deregister()

  Remove all registered `Converter`s, and re-establish the standard Converters.

  For more details see `ConvertUtilsBean`.

  See Also:
    `ConvertUtilsBean.deregister()`

### deregister

    public static void deregister(Class clazz)

  Remove any registered `Converter` for the specified destination `Class`.

  For more details see `ConvertUtilsBean`.

  Parameters:
    `clazz` - Class for which to remove a registered Converter
  See Also:
    `ConvertUtilsBean.deregister(Class)`

### lookup

    public static Converter lookup(Class clazz)

  Look up and return any registered `Converter` for the specified destination class; if there is no registered Converter, return `null`.

  For more details see `ConvertUtilsBean`.

  Parameters:
    `clazz` - Class for which to return a registered Converter
  Returns:
    The registered `Converter` or `null` if not found
  See Also:
    `ConvertUtilsBean.lookup(Class)`

### lookup

    public static Converter lookup(Class sourceType,
                                   Class targetType)

  Look up and return any registered `Converter` for the specified source and destination class; if there is no registered Converter, return `null`.

  Parameters:
    `sourceType` - Class of the value being converted
    `targetType` - Class of the value to be converted to
  Returns:
    The registered `Converter` or `null` if not found

### register

    public static void register(Converter converter,
                                Class clazz)

  Register a custom `Converter` for the specified destination `Class`, replacing any previously registered Converter.

  For more details see `ConvertUtilsBean`.

  Parameters:
    `converter` - Converter to be registered
    `clazz` - Destination class for conversions performed by this Converter
  See Also:
    `ConvertUtilsBean.register(Converter, Class)`

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