错题本发UAT

pcloud-common/src/main/java/com/pcloud/common/exceptions/ParamCheck.java

+package com.pcloud.common.exceptions;
+
+import java.util.List;
+
+import org.apache.commons.lang3.StringUtils;
+
+import com.pcloud.common.entity.BasePageVO;
+import com.pcloud.common.utils.ListUtils;
+
+/**
+ * 参数校验
+ *
+ * @author：songx
+ * @date：2019年4月15日,下午3:01:35
+ */
+public class ParamCheck {
+
+    /**
+     * check number is null
+     *
+     * @param number
+     * @param msg
+     * @throws BizException
+     * @author songx
+     * @date 2019年4月23日, 下午3:06:03
+     */
+    public static void isNull(Number number, String msg) throws BizException {
+        if (number == null) {
+            throw new BizException(BizException.PARAM_IS_NULL.getCode(), msg);
+        }
+    }
+
+    /**
+     * check boolean is null
+     *
+     * @param bool
+     * @param msg
+     * @throws BizException
+     * @author songx
+     * @date 2019年4月23日, 下午3:06:25
+     */
+    public static void isNull(Boolean bool, String msg) throws BizException {
+        if (bool == null) {
+            throw new BizException(BizException.PARAM_IS_NULL.getCode(), msg);
+        }
+    }
+
+    /**
+     * check string is null
+     *
+     * @param string
+     * @param msg
+     * @throws BizException
+     * @author songx
+     * @date 2019年4月23日, 下午3:06:36
+     */
+    public static void isEmpty(String string, String msg) throws BizException {
+        if (StringUtils.isEmpty(string)) {
+            throw new BizException(BizException.PARAM_IS_NULL.getCode(), msg);
+        }
+    }
+
+    /**
+     * check page number is null
+     *
+     * @param currentPage
+     * @param numPerPage
+     * @throws BizException
+     * @author songx
+     * @date 2019年4月23日, 下午3:07:07
+     */
+    public static void isNull(Integer currentPage, Integer numPerPage) throws BizException {
+        if (currentPage == null || numPerPage == null || currentPage < 0 || numPerPage < 0) {
+            throw BizException.PAGE_PARAM_DELETION;
+        }
+    }
+
+    /**
+     * check list is null
+     *
+     * @param list
+     * @param msg
+     * @throws BizException
+     * @author songx
+     * @date 2019年4月23日, 下午3:07:37
+     */
+    public static void isEmpty(List<?> list, String msg) throws BizException {
+        if (ListUtils.isEmpty(list)) {
+            throw new BizException(BizException.PARAM_IS_NULL.getCode(), msg);
+        }
+    }
+
+    /**
+     * 校验分页参数校验分页参数
+     *
+     * @param basePageVO
+     * @throws BizException
+     */
+    public static void pageParam(BasePageVO basePageVO) throws BizException {
+        pageParam(basePageVO.getCurrentPage(), basePageVO.getNumPerPage());
+    }
+
+    /**
+     * 校验分页参数
+     *
+     * @param currentPage 当前页
+     * @param numPerPage 每页行数
+     * @throws BizException
+     */
+    public static void pageParam(Integer currentPage, Integer numPerPage) throws BizException {
+        if (currentPage == null || currentPage < 0 || numPerPage == null || numPerPage < 0) {
+            throw BizException.PAGE_PARAM_DELETION;
+        }
+    }
+
+}