Package org.red5.io.utils

Class ConversionUtils

java.lang.Object

org.red5.io.utils.ConversionUtils

public class ConversionUtils
extends Object

Misc utils for conversions

Author:

The Red5 Project, Luke Hubbard, Codegent Ltd (luke@codegent.com), Paul Gregoire (mondain@gmail.com)

Constructor Summary

Constructors

Constructor	Description
ConversionUtils()

Method Summary

Modifier and Type	Method	Description
static Object	convert(Object source, Class<?> target)	Convert source to given class
static List<?>	convertArrayToList(Object[] source)
static Set<?>	convertArrayToSet(Object[] source)	Convert array to set, removing duplicates
static Map<?,?>	convertBeanToMap(Object source)	Convert bean to map
static Object	convertMapToBean(Map<String,? extends Object> source, Class<?> target)	Convert map to bean
static List<Object>	convertMapToList(Map<?,?> map)
static Object	convertNumberToWrapper(Number num, Class<?> wrapper)	Convert number to primitive wrapper like Boolean or Float
static Class<?>[]	convertParams(Object[] source)	Convert parameters using methods of this utility class.
static Object[]	convertParams(Object[] source, Class<?>[] target)	Convert parameters using methods of this utility class
static Object	convertStringToWrapper(String str, Class<?> wrapper)	Convert string to primitive wrapper like Boolean or Float
static Object	convertToArray(Object source, Class<?> target)	Convert to array
static Object	convertToWrappedPrimitive(Object source, Class<?> wrapper)	Convert to wrapped primitive
static List<Method>	findMethodsByNameAndNumParams(Object object, String method, int numParam)	Find method by name and number of parameters
static boolean	isBaseTypeOrArray(Object obj)	Returns true for base types or arrays of base type.
protected static Object	newInstance(String className)	Create new class instance

Methods inherited from class java.lang.Object

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

Constructor Detail

ConversionUtils

public ConversionUtils()

Method Detail

isBaseTypeOrArray

public static boolean isBaseTypeOrArray(Object obj)

Returns true for base types or arrays of base type.

Parameters:

obj - Object

Returns:

true if base-type or array and false otherwise

convert

public static Object convert(Object source,
                             Class<?> target)
                      throws org.apache.commons.beanutils.ConversionException

Convert source to given class

Parameters:

source - Source object

target - Target class

Returns:

Converted object

Throws:

org.apache.commons.beanutils.ConversionException - If object can't be converted

convertToArray

public static Object convertToArray(Object source,
                                    Class<?> target)
                             throws org.apache.commons.beanutils.ConversionException

Convert to array

Parameters:

source - Source object

target - Target class

Returns:

Converted object

Throws:

org.apache.commons.beanutils.ConversionException - If object can't be converted

convertMapToList

public static List<Object> convertMapToList(Map<?,?> map)

convertToWrappedPrimitive

public static Object convertToWrappedPrimitive(Object source,
                                               Class<?> wrapper)

Convert to wrapped primitive

Parameters:

source - Source object

wrapper - Primitive wrapper type

Returns:

Converted object

convertStringToWrapper

public static Object convertStringToWrapper(String str,
                                            Class<?> wrapper)

Convert string to primitive wrapper like Boolean or Float

Parameters:

str - String to convert

wrapper - Primitive wrapper type

Returns:

Converted object

convertNumberToWrapper

public static Object convertNumberToWrapper(Number num,
                                            Class<?> wrapper)

Convert number to primitive wrapper like Boolean or Float

Parameters:

num - Number to conver

wrapper - Primitive wrapper type

Returns:

Converted object

findMethodsByNameAndNumParams

public static List<Method> findMethodsByNameAndNumParams(Object object,
                                                         String method,
                                                         int numParam)

Find method by name and number of parameters

Parameters:

object - Object to find method on

method - Method name

numParam - Number of parameters

Returns:

List of methods that match by name and number of parameters

convertParams

public static Object[] convertParams(Object[] source,
                                     Class<?>[] target)
                              throws org.apache.commons.beanutils.ConversionException

Convert parameters using methods of this utility class

Parameters:

source - Array of source object

target - Array of target classes

Returns:

Array of converted objects

Throws:

org.apache.commons.beanutils.ConversionException - If object can't be converted

convertParams

public static Class<?>[] convertParams(Object[] source)

Convert parameters using methods of this utility class. Special handling is afforded to classes that implement IConnection.

Parameters:

source - Array of source object

Returns:

Array of converted objects

convertArrayToList

public static List<?> convertArrayToList(Object[] source)
                                  throws org.apache.commons.beanutils.ConversionException

Parameters:

source - source arra

Returns:

list

Throws:

org.apache.commons.beanutils.ConversionException - on failure

convertMapToBean

public static Object convertMapToBean(Map<String,? extends Object> source,
                                      Class<?> target)
                               throws org.apache.commons.beanutils.ConversionException

Convert map to bean

Parameters:

source - Source map

target - Target class

Returns:

Bean of that class

Throws:

org.apache.commons.beanutils.ConversionException - on failure

convertBeanToMap

public static Map<?,?> convertBeanToMap(Object source)

Convert bean to map

Parameters:

source - Source bean

Returns:

Converted map

convertArrayToSet

public static Set<?> convertArrayToSet(Object[] source)

Convert array to set, removing duplicates

Parameters:

source - Source array

Returns:

Set

newInstance

protected static Object newInstance(String className)

Create new class instance

Parameters:

className - Class name; may not be loaded by JVM yet

Returns:

Instance of given class