io.github.yangyouwang.core.ControllerWrapper Maven / Gradle / Ivy
package io.github.yangyouwang.core;
import io.github.yangyouwang.annotion.Wrapper;
import io.github.yangyouwang.consts.ConfigConsts;
import java.lang.reflect.Field;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;
/**
* Wrapper包装类
*
* @author yangyouwang
*/
public class ControllerWrapper {
private static ControllerWrapper instance;
private ControllerWrapper(){}
public static ControllerWrapper getInstance() {
if (instance == null) {
instance = new ControllerWrapper();
}
return instance;
}
public List> wrap(List objs) {
return objs.stream().map(this::wrap).collect(Collectors.toList());
}
public Map wrap(Object obj) {
Map result = new HashMap<>(16);
Field[] fields = obj.getClass().getDeclaredFields();
try {
for (Field field : fields) {
String fieldName = field.getName();
field.setAccessible(true);
String fieldValue = field.get(obj).toString();
if (!ConfigConsts.SERIAL_VERSION_UID.equals(fieldName) && field.isAnnotationPresent(Wrapper.class)) {
Wrapper wrapperAnnotation = field.getAnnotation(Wrapper.class);
BaseReflexWrapper wrapper = WrapperFactory.createWrapper(wrapperAnnotation.dictType());
if (null != wrapper) {
result.putAll(wrapper.wrapTheMap(wrapperAnnotation, fieldName ,fieldValue));
}
continue;
}
result.put(fieldName, fieldValue);
}
return result;
} catch (IllegalAccessException e) {
throw new RuntimeException("没有访问权限.");
} catch (Exception e) {
throw new RuntimeException("出错了.");
}
}
}