cn.anyzm.parameter.handler.ParameterCheckHandler Maven / Gradle / Ivy
package cn.anyzm.parameter.handler;
import cn.anyzm.parameter.constant.ExceptionCodeMsg;
import cn.anyzm.parameter.constant.ValueEnum;
import cn.anyzm.parameter.exception.ParameterException;
import cn.anyzm.parameter.utils.AnyzmUtils;
import java.lang.annotation.Annotation;
import java.lang.reflect.Field;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
/**
* @author huangzhaolai-jk
* @version 1.0.0 @Description ParameterCheckHandler is used for @Date 2019/10/12 - 11:06
*/
public class ParameterCheckHandler {
/**
* check all the filed for a object with all timing
*
* @param object
* @throws Exception
*/
public static void checkFiled(Object object) throws Exception {
checkFiled(object, ValueEnum.EMPTY_STRING);
}
/**
* check all the filed for a object with all timing
*
* @param object
* @throws Exception
*/
public static Map checkFiledForError(Object object) throws Exception {
return checkFiledForError(object, ValueEnum.EMPTY_STRING);
}
/**
* check all the filed for a object with a timing
*
* @param object
* @param timing
* @throws Exception
*/
public static void checkFiled(Object object, String timing) throws Exception {
if (object == null) {
throw new ParameterException(ExceptionCodeMsg.NULL);
}
// get all the object's filed
Field[] declaredFields = object.getClass().getDeclaredFields();
// check the field one by one
checkFileds(object, timing, declaredFields);
}
/**
* check all the filed for a object with a timing
*
* @param object
* @param timing
* @throws Exception
*/
public static Map checkFiledForError(Object object, String timing) throws Exception {
if (object == null) {
throw new ParameterException(ExceptionCodeMsg.NULL);
}
// get all the object's filed
Field[] declaredFields = object.getClass().getDeclaredFields();
// check the field one by one
return checkFiledsForError(object, timing, declaredFields);
}
/**
* check all the filed for a object with a timing
*
* @param object
* @param timing
* @throws Exception
*/
public static void checkFiled(Object object, Annotation annotation, String timing)
throws Exception {
if (object == null) {
throw new ParameterException(ExceptionCodeMsg.NULL);
}
// get all the object's filed
Field[] declaredFields = object.getClass().getDeclaredFields();
// check the field one by one
checkFileds(object, annotation, timing, declaredFields);
}
/**
* check all the filed for a object with a timing
*
* @param object
* @param timing
* @throws Exception
*/
public static Map checkFiledForError(Object object, Annotation annotation, String timing)
throws Exception {
if (object == null) {
throw new ParameterException(ExceptionCodeMsg.NULL);
}
// get all the object's filed
Field[] declaredFields = object.getClass().getDeclaredFields();
// check the field one by one
return checkFiledsForError(object, annotation, timing, declaredFields);
}
/**
* check fileds of one object
*
* @param object
* @param timing
* @param fields
* @throws Exception
*/
public static void checkFileds(
Object object, Annotation annotation, String timing, Field... fields) throws Exception {
if (AnyzmUtils.isEmpty(fields)) {
return;
}
if (annotation == null || !Router.containsInCheckList(annotation.annotationType())) {
throw new ParameterException(ExceptionCodeMsg.ANNOTATION_INVALID);
}
for (Field field : fields) {
field.setAccessible(true);
// get the field all annotation
Annotation[] declaredAnnotations = field.getDeclaredAnnotations();
if (AnyzmUtils.isDeepEmpty(declaredAnnotations)
|| !AnyzmUtils.copyArrayToList(declaredAnnotations).contains(annotation)) {
continue;
}
// check the filed for one annotation
checkForAnnotations(object, annotation, timing, field);
}
}
/**
* check fileds of one object
*
* @param object
* @param timing
* @param fields
* @throws Exception
*/
public static Map checkFiledsForError(
Object object, Annotation annotation, String timing, Field... fields) throws Exception {
if (AnyzmUtils.isEmpty(fields)) {
return Collections.EMPTY_MAP;
}
if (annotation == null || !Router.containsInCheckList(annotation.annotationType())) {
throw new ParameterException(ExceptionCodeMsg.ANNOTATION_INVALID);
}
Map result = new HashMap<>();
for (Field field : fields) {
field.setAccessible(true);
// get the field all annotation
Annotation[] declaredAnnotations = field.getDeclaredAnnotations();
if (AnyzmUtils.isDeepEmpty(declaredAnnotations)
|| !AnyzmUtils.copyArrayToList(declaredAnnotations).contains(annotation)) {
continue;
}
// check the filed for one annotation
Map msgMap = checkForAnnotationForError(object, annotation, timing, field);
if (!AnyzmUtils.isEmpty(msgMap)) {
result.putAll(msgMap);
}
}
return result;
}
/**
* check fileds of one object
*
* @param object
* @param timing
* @param fields
* @throws Exception
*/
public static void checkFileds(Object object, String timing, Field... fields) throws Exception {
if (AnyzmUtils.isEmpty(fields)) {
return;
}
for (Field field : fields) {
field.setAccessible(true);
// get the field all annotation
Annotation[] declaredAnnotations = field.getDeclaredAnnotations();
if (AnyzmUtils.isDeepEmpty(declaredAnnotations)) {
return;
}
for (Annotation annotation : declaredAnnotations) {
if (annotation != null && Router.containsInCheckList(annotation.annotationType())) {
// check the filed for one annotation
checkForAnnotations(object, annotation, timing, field);
}
}
}
}
/**
* check fileds of one object
*
* @param object
* @param timing
* @param fields
* @throws Exception
*/
public static Map checkFiledsForError(Object object, String timing, Field... fields) throws Exception {
if (AnyzmUtils.isEmpty(fields)) {
return Collections.EMPTY_MAP;
}
Map result = new HashMap<>();
for (Field field : fields) {
field.setAccessible(true);
// get the field all annotation
Annotation[] declaredAnnotations = field.getDeclaredAnnotations();
if (AnyzmUtils.isDeepEmpty(declaredAnnotations)) {
return Collections.EMPTY_MAP;
}
for (Annotation annotation : declaredAnnotations) {
if (annotation != null && Router.containsInCheckList(annotation.annotationType())) {
// check the filed for one annotation
Map msgMap = checkForAnnotationForError(object, annotation, timing, field);
if (!AnyzmUtils.isEmpty(msgMap)) {
result.putAll(msgMap);
}
}
}
}
return result;
}
/**
* check one field for annotation list
*
* @param object
* @param annotation
* @param timing
* @param fields
* @throws Exception
*/
private static void checkForAnnotations(
Object object, Annotation annotation, String timing, Field... fields) throws Exception {
if (object == null) {
throw new ParameterException(ExceptionCodeMsg.NULL);
}
if (AnyzmUtils.isEmpty(fields) || annotation == null) {
return;
}
CheckHandler handler = Router.getHandler(annotation.annotationType());
if (handler != null) {
for (Field field : fields) {
handler.checkFieldTemplate(field, object, annotation, timing);
}
}
}
/**
* check one field for annotation list
*
* @param object
* @param annotation
* @param timing
* @param fields
* @throws Exception
*/
private static Map checkForAnnotationForError(
Object object, Annotation annotation, String timing, Field... fields) throws Exception {
if (object == null) {
throw new ParameterException(ExceptionCodeMsg.NULL);
}
if (AnyzmUtils.isEmpty(fields) || annotation == null) {
return Collections.EMPTY_MAP;
}
CheckHandler handler = Router.getHandler(annotation.annotationType());
Map result = new HashMap<>((int) ((float) fields.length / 0.75F + 1.0F));
if (handler != null) {
for (Field field : fields) {
String msg = handler.checkFieldForMsg(field, object, annotation, timing);
if (!AnyzmUtils.isBlank(msg)) {
result.put(field.getName(), msg);
}
}
return result;
}
return result;
}
}
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