JSR-303支持嵌套校验

sop-common/sop-service-common/src/main/java/com/gitee/sop/servercommon/param/ServiceParamValidator.java

@@ -6,10 +6,14 @@ import com.gitee.sop.servercommon.message.ServiceErrorEnum;
 import com.gitee.sop.servercommon.message.ServiceErrorFactory;
 import com.gitee.sop.servercommon.param.validation.ValidationGroupSequence;
 import org.springframework.util.CollectionUtils;
+import org.springframework.util.ReflectionUtils;
 
 import javax.validation.ConstraintViolation;
 import javax.validation.Validation;
 import javax.validation.ValidatorFactory;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
 import java.util.Set;
 
 /**
@@ -23,6 +27,8 @@ public class ServiceParamValidator implements ParamValidator {
     private static final String COMMA = ",";
     private static Object[] EMPTY_OBJ_ARRAY = {};
 
+    private static final List<String> SYSTEM_PACKAGE_LIST = Arrays.asList("java.lang", "java.math");
+
     private static javax.validation.Validator validator;
 
     static {
@@ -35,6 +41,11 @@ public class ServiceParamValidator implements ParamValidator {
         if (obj == null) {
             return;
         }
+        // 先校验属性对象
+        List<Object> fields = listObjectField(obj);
+        if (!fields.isEmpty()) {
+            fields.forEach(this::validateBizParam);
+        }
         Set<ConstraintViolation<Object>> set = validator.validate(obj, ValidationGroupSequence.class);
         if (!CollectionUtils.isEmpty(set)) {
             ConstraintViolation<Object> oneError = set.iterator().next();
@@ -43,6 +54,34 @@ public class ServiceParamValidator implements ParamValidator {
         }
     }
 
+    private List<Object> listObjectField(Object object) {
+        List<Object> ret = new ArrayList<>();
+        ReflectionUtils.doWithFields(object.getClass(), field -> {
+            if (isCustomPackage(field.getType())) {
+                ReflectionUtils.makeAccessible(field);
+                ret.add(field.get(object));
+            }
+        });
+        return ret;
+    }
+
+    /**
+     * 字段类型所在package是否是自定义包
+     * @param fieldType 指定的类型
+     * @return true，是自定义的
+     */
+    private boolean isCustomPackage(Class<?> fieldType) {
+        if (fieldType.isPrimitive()) {
+            return false;
+        }
+        Package aPackage = fieldType.getPackage();
+        if (aPackage == null) {
+            return false;
+        }
+        String packageName = aPackage.getName();
+        return !SYSTEM_PACKAGE_LIST.contains(packageName);
+    }
+
     private RuntimeException getValidateBizParamException(String errorMsg) {
         String subCode = ServiceErrorEnum.ISV_PARAM_ERROR.getErrorMeta().getSubCode();
         String[] msgToken = errorMsg.split(EQ);

sop-common/sop-service-common/src/test/java/com/gitee/sop/servercommon/ValidatorTest.java

@@ -11,7 +11,9 @@ import org.hibernate.validator.constraints.Length;
 
 import javax.validation.constraints.Min;
 import javax.validation.constraints.NotBlank;
+import javax.validation.constraints.NotNull;
 import javax.validation.constraints.Pattern;
+import java.math.BigDecimal;
 
 /**
  * @author tanghc
@@ -24,10 +26,17 @@ public class ValidatorTest extends TestCase {
      * 测试JSR-303注解校验顺序，校验顺序: Group1~GroupN
      */
     public void testValidate() {
-        serviceParamValidator.validateBizParam(new User("1", 1));
+        serviceParamValidator.validateBizParam(new User("Jim", 30));
     }
 
 
+    public void testField() {
+        Manager manager = new Manager("Jim", 22);
+        Store store = new Store("仓库A", manager);
+        Goods goods = new Goods("Apple", new BigDecimal(50000), store);
+        serviceParamValidator.validateBizParam(goods);
+    }
+
     @Data
     @AllArgsConstructor
     private static class User {
@@ -36,7 +45,7 @@ public class ValidatorTest extends TestCase {
         @NotBlank(message = "NotBlank", groups = Group1.class)
         // 优先校验Group2
         // 可交换下面Group2,Group3，看下校验顺序
-        @Length(min = 2, max = 20, message = "length must 10~20", groups = Group2.class)
+        @Length(min = 2, max = 20, message = "length must 2~20", groups = Group2.class)
         @Pattern(regexp = "[a-zA-Z]*", message = "name must letters", groups = Group3.class)
         private String name;
 
@@ -45,4 +54,36 @@ public class ValidatorTest extends TestCase {
 
     }
 
+    @Data
+    @AllArgsConstructor
+    static class Goods {
+        @NotBlank(message = "商品名称不能为空")
+        private String goodsName;
+
+        @Min(value = 1, message = "商品价格最小值为1")
+        private BigDecimal price;
+
+        @NotNull(message = "仓库不能为空")
+        private Store store;
+    }
+
+    @Data
+    @AllArgsConstructor
+    static class Store {
+        @NotBlank(message = "库存名称不能为空")
+        private String storeName;
+
+        @NotNull(message = "管理员不能为空")
+        private Manager manager;
+    }
+
+    @Data
+    @AllArgsConstructor
+    static class Manager  {
+        @NotBlank(message = "管理员姓名不能为空")
+        private String name;
+
+        private int age;
+    }
+
 }