com.alibaba.ocean.rawsdk.util.DefaultPropertyUtils Maven / Gradle / Ivy
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/**
*
*/
package com.alibaba.ocean.rawsdk.util;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.util.HashMap;
/**
* @author hongbang.hb
*
*/
public class DefaultPropertyUtils {
private static HashMap descriptorsCache = new HashMap();
public static SimplePropertyDescriptor[] getPropertyDescriptors(
Class beanClass) {
if (beanClass == null) {
return new SimplePropertyDescriptor[0];
}
SimplePropertyDescriptor[] descriptors = null;
descriptors = (SimplePropertyDescriptor[]) descriptorsCache
.get(beanClass);
if (descriptors != null) {
return (descriptors);
}
Field[] fields = beanClass.getDeclaredFields();
if (fields == null) {
descriptors = new SimplePropertyDescriptor[0];
} else {
descriptors = new SimplePropertyDescriptor[fields.length];
for (int i = 0; i < fields.length; i++) {
Field field = fields[i];
SimplePropertyDescriptor simplePropertyDescriptor = new SimplePropertyDescriptor();
simplePropertyDescriptor.setName(field.getName());
simplePropertyDescriptor.setPropertyType(field.getType());
try {
Method readMethod = beanClass.getMethod("get"
+ GenericsUtil.capitalize(field.getName()));
simplePropertyDescriptor.setReadMethod(readMethod);
} catch (Exception ex) {
// do nothing if readMethod is not support.
}
descriptors[i] = simplePropertyDescriptor;
}
}
descriptorsCache.put(beanClass, descriptors);
return (descriptors);
}
}