org.apache.dubbo.common.utils

Class PojoUtils

java.lang.Object

org.apache.dubbo.common.utils.PojoUtils

public class PojoUtils
extends Object

PojoUtils. Travel object deeply, and convert complex type to simple type.

Simple type below will be remained:

• Primitive Type, also include String, Number(Integer, Long), Date
• Array of Primitive Type
• Collection, eg: List, Map, Set etc.

Other type will be covert to a map which contains the attributes and value pair of object.

Constructor Summary

Constructors

Constructor and Description
PojoUtils()

Method Summary

Modifier and Type	Method and Description
static Object	generalize(Object pojo)
static Object[]	generalize(Object[] objs)
static boolean	isPojo(Class<?> cls)
static <T> T	mapToPojo(Map<String,Object> map, Class<T> cls) convert map to a specific class instance
static Object[]	realize(Object[] objs, Class<?>[] types)
static Object[]	realize(Object[] objs, Class<?>[] types, Type[] gtypes)
static Object	realize(Object pojo, Class<?> type)
static Object	realize(Object pojo, Class<?> type, Type genericType)
static <T> void	updatePropertyIfAbsent(Supplier<T> getterMethod, Consumer<T> setterMethod, T newValue) Update the property if absent

Methods inherited from class java.lang.Object

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

Constructor Detail

PojoUtils

public PojoUtils()

Method Detail

generalize

public static Object[] generalize(Object[] objs)

realize

public static Object[] realize(Object[] objs,
                               Class<?>[] types)

realize

public static Object[] realize(Object[] objs,
                               Class<?>[] types,
                               Type[] gtypes)

generalize

public static Object generalize(Object pojo)

realize

public static Object realize(Object pojo,
                             Class<?> type)

realize

public static Object realize(Object pojo,
                             Class<?> type,
                             Type genericType)

isPojo

public static boolean isPojo(Class<?> cls)

updatePropertyIfAbsent

public static <T> void updatePropertyIfAbsent(Supplier<T> getterMethod,
                                              Consumer<T> setterMethod,
                                              T newValue)

Update the property if absent

Type Parameters:

T - the value type

Parameters:

getterMethod - the getter method

setterMethod - the setter method

newValue - the new value

Since:

2.7.8

mapToPojo

public static <T> T mapToPojo(Map<String,Object> map,
                              Class<T> cls)
                       throws ReflectiveOperationException

convert map to a specific class instance

Type Parameters:

T - the type of cls

Parameters:

map - map wait for convert

cls - the specified class

Returns:

class instance declare in param cls

Throws:

ReflectiveOperationException - if the instance creation is failed

Since:

2.7.10