java bean校验工具

hutool-extra/pom.xml

@@ -258,5 +258,20 @@
 			<version>1.2.3</version>
 			<scope>test</scope>
 		</dependency>
+		<dependency>
+			<groupId>org.hibernate</groupId>
+			<artifactId>hibernate-validator</artifactId>
+			<version>6.0.12.Final</version>
+		</dependency>
+		<dependency>
+			<groupId>javax.el</groupId>
+			<artifactId>javax.el-api</artifactId>
+			<version>3.0.1-b01</version>
+		</dependency>
+		<dependency>
+			<groupId>org.glassfish.web</groupId>
+			<artifactId>javax.el</artifactId>
+			<version>2.2.6</version>
+		</dependency>
 	</dependencies>
 </project>

hutool-extra/src/main/java/cn/hutool/extra/validation/BeanValidationResult.java

@@ -0,0 +1,66 @@
+package cn.hutool.extra.validation;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * bean 校验结果
+ *
+ * @author chengqiang
+ */
+
+public class BeanValidationResult {
+
+    /**
+     * 校验是否成功
+     */
+    private Boolean success = Boolean.TRUE;
+
+    /**
+     * 错误消息
+     */
+    private List<ErrorMessage> errorMessages = new ArrayList<>();
+
+    public Boolean getSuccess() {
+        return success;
+    }
+
+    public void setSuccess(Boolean success) {
+        this.success = success;
+    }
+
+    public List<ErrorMessage> getErrorMessages() {
+        return errorMessages;
+    }
+
+    public void setErrorMessages(List<ErrorMessage> errorMessages) {
+        this.errorMessages = errorMessages;
+    }
+
+    public static class ErrorMessage {
+        /**
+         * 属性字段名称
+         */
+        private String propertyName;
+        /**
+         * 错误信息
+         */
+        private String message;
+
+        public String getPropertyName() {
+            return propertyName;
+        }
+
+        public void setPropertyName(String propertyName) {
+            this.propertyName = propertyName;
+        }
+
+        public String getMessage() {
+            return message;
+        }
+
+        public void setMessage(String message) {
+            this.message = message;
+        }
+    }
+}

hutool-extra/src/main/java/cn/hutool/extra/validation/BeanValidationUtil.java

@@ -0,0 +1,84 @@
+package cn.hutool.extra.validation;
+
+import cn.hutool.extra.validation.BeanValidationResult.ErrorMessage;
+import org.hibernate.validator.HibernateValidator;
+
+import javax.validation.ConstraintViolation;
+import javax.validation.Validation;
+import javax.validation.Validator;
+import java.util.Set;
+
+
+/**
+ * java bean 校验工具类
+ *
+ * @author chengqiang
+ */
+public class BeanValidationUtil {
+
+    private static final Validator validator = Validation.byProvider(HibernateValidator.class).configure().failFast(false).buildValidatorFactory().getValidator();
+
+    /**
+     * 校验对象
+     *
+     * @param bean   bean
+     * @param groups 校验组
+     * @return {@link Set}
+     */
+    public static <T> Set<ConstraintViolation<T>> validate(T bean, Class<?>... groups) {
+        return validator.validate(bean, groups);
+    }
+
+    /**
+     * 校验对象
+     *
+     * @param bean   bean
+     * @param groups 校验组
+     * @return {@link BeanValidationResult}
+     */
+    public static <T> BeanValidationResult warpValidate(T bean, Class<?>... groups) {
+        return warpBeanValidationResult(validate(bean, groups));
+    }
+
+    /**
+     * 校验bean的某一个属性
+     *
+     * @param bean         bean
+     * @param propertyName 属性名称
+     * @return {@link Set}
+     */
+    public static <T> Set<ConstraintViolation<T>> validateProperty(T bean, String propertyName, Class<?>... groups) {
+        return validator.validateProperty(bean, propertyName, groups);
+    }
+
+
+    /**
+     * 校验bean的某一个属性
+     *
+     * @param bean         bean
+     * @param propertyName 属性名称
+     * @return {@link BeanValidationResult}
+     */
+    public static <T> BeanValidationResult warpValidateProperty(T bean, String propertyName, Class<?>... groups) {
+        return warpBeanValidationResult(validateProperty(bean, propertyName, groups));
+    }
+
+    /**
+     * 包装校验结果
+     *
+     * @param constraintViolations 校验结果集
+     * @return {@link BeanValidationResult}
+     */
+    private static <T> BeanValidationResult warpBeanValidationResult(Set<ConstraintViolation<T>> constraintViolations) {
+        BeanValidationResult result = new BeanValidationResult();
+        for (ConstraintViolation<T> constraintViolation : constraintViolations) {
+            result.setSuccess(Boolean.FALSE);
+            ErrorMessage errorMessage = new ErrorMessage();
+            errorMessage.setPropertyName(constraintViolation.getPropertyPath().toString());
+            errorMessage.setMessage(constraintViolation.getMessage());
+            result.getErrorMessages().add(errorMessage);
+        }
+        return result;
+    }
+
+}

hutool-extra/src/main/java/cn/hutool/extra/validation/package-info.java

@@ -0,0 +1,6 @@
+/**
+ * java bean 校验工具
+ *
+ * @author chengqiang
+ */
+package cn.hutool.extra.validation;

hutool-extra/src/test/java/cn/hutool/extra/validation/BeanValidatorUtilTest.java

@@ -0,0 +1,51 @@
+package cn.hutool.extra.validation;
+
+import cn.hutool.core.lang.Assert;
+import org.junit.Test;
+
+import javax.validation.constraints.NotBlank;
+
+/**
+ * java bean 校验工具类单元测试
+ *
+ * @author chengqiang
+ */
+public class BeanValidatorUtilTest {
+
+    public static class TestClass {
+
+        @NotBlank(message = "姓名不能为空")
+        private String name;
+
+        @NotBlank(message = "地址不能为空")
+        private String address;
+
+        public String getName() {
+            return name;
+        }
+
+        public void setName(String name) {
+            this.name = name;
+        }
+
+        public String getAddress() {
+            return address;
+        }
+
+        public void setAddress(String address) {
+            this.address = address;
+        }
+    }
+
+    @Test
+    public void beanValidatorTest() {
+        BeanValidationResult result = BeanValidationUtil.warpValidate(new TestClass());
+        Assert.isTrue(result.getSuccess());
+    }
+
+    @Test
+    public void propertyValidatorTest() {
+        BeanValidationResult result = BeanValidationUtil.warpValidateProperty(new TestClass(), "name");
+        Assert.isTrue(result.getSuccess());
+    }
+}