com.firefly.utils

类 ConvertUtils

java.lang.Object

com.firefly.utils.ConvertUtils

public abstract class ConvertUtils
extends Object

构造器概要

构造器

构造器和说明
ConvertUtils()

方法概要

限定符和类型	方法和说明
static Object	convert(Collection<?> collection, Class<?> arrayType) Returns an array object, this method converts a collection object to an array object through the specified element type of the array.
static <T> T	convert(String value, Class<T> c)
static <T> T	convert(String value, Class<T> c, T defaultValue)
static <T> T	convert(String value, String argsType)
static <T> T	convert(String value, T defaultValue)
static <T> Enumeration<T>	enumeration(Collection<T> col)
static Collection<Object>	getCollectionObj(Class<?> clazz) Returns a collection object instance by class
static Map<Object,Object>	getMapObj(Class<?> clazz)

从类继承的方法 java.lang.Object

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

构造器详细资料

ConvertUtils

public ConvertUtils()

方法详细资料

convert

public static <T> T convert(String value,
                            T defaultValue)

convert

public static <T> T convert(String value,
                            Class<T> c,
                            T defaultValue)

convert

public static <T> T convert(String value,
                            Class<T> c)

convert

public static <T> T convert(String value,
                            String argsType)

convert

public static Object convert(Collection<?> collection,
                             Class<?> arrayType)

Returns an array object, this method converts a collection object to an array object through the specified element type of the array.

参数:

collection - The collection that needs be converted

arrayType - The element type of an array

返回:

a array object and the element is the parameter specified type.

getCollectionObj

public static Collection<Object> getCollectionObj(Class<?> clazz)

Returns a collection object instance by class

参数:

clazz - The class object of a collection

返回:

A collection object instance

getMapObj

public static Map<Object,Object> getMapObj(Class<?> clazz)

enumeration

public static <T> Enumeration<T> enumeration(Collection<T> col)