com.github.lianjiatech.retrofit.spring.boot.util.BeanExtendUtils Maven / Gradle / Ivy
package com.github.lianjiatech.retrofit.spring.boot.util;
import java.beans.PropertyDescriptor;
import java.lang.reflect.Method;
import java.util.Map;
import org.springframework.beans.BeanUtils;
import lombok.experimental.UtilityClass;
/**
* @author 陈添明
*/
@UtilityClass
public final class BeanExtendUtils {
/**
* 使用map填充bean实例的属性值。
*
* Use map to fill in the attribute values of the bean instance
*
* @param bean 需要填充的实例bean。The instance bean that needs to be filled
* @param properties 属性参数Map。Property parameter Map
*/
public static void populate(final Object bean, final Map properties) {
// Do nothing unless both arguments have been specified
if ((bean == null) || (properties == null)) {
return;
}
// Loop through the property name/value pairs to be set
for (final Map.Entry entry : properties.entrySet()) {
// Identify the property name and value(s) to be assigned
final String name = entry.getKey();
if (name == null) {
continue;
}
// Perform the assignment for this property
setProperty(bean, name, entry.getValue());
}
}
/**
* 为指定实例对象的指定属性赋值，待赋值的属性字段必须提供setter方法。
*
* Assign a value to the specified attribute of the specified instance object, the attribute field to be assigned must provide a setter method.
*
* @param bean 需要设置属性的示例对象。the object that needs to set properties
* @param name 属性字段的名称。The name of the field
* @param value 属性字段的值。The value of the field
*/
public static void setProperty(final Object bean, String name, final Object value) {
Class beanClass = bean.getClass();
PropertyDescriptor propertyDescriptor = BeanUtils.getPropertyDescriptor(beanClass, name);
if (propertyDescriptor == null) {
return;
}
Method writeMethod = propertyDescriptor.getWriteMethod();
try {
writeMethod.invoke(bean, value);
} catch (Exception e) {
// skip
}
}
}