optimize

src/main/java/com/github/liaochong/myexcel/core/SaxExcelReader.java

@@ -24,6 +24,7 @@
 import com.github.liaochong.myexcel.utils.ReflectUtil;
 import com.github.liaochong.myexcel.utils.StringUtil;
 import com.github.liaochong.myexcel.utils.TempFileOperator;
+import com.github.liaochong.myexcel.utils.ValidatorUtil;
 import org.apache.poi.openxml4j.exceptions.InvalidFormatException;
 import org.apache.poi.openxml4j.exceptions.OpenXML4JException;
 import org.apache.poi.openxml4j.opc.OPCPackage;
@@ -32,17 +33,13 @@
 import org.apache.poi.poifs.filesystem.FileMagic;
 import org.apache.poi.util.XMLHelper;
 import org.apache.poi.xssf.eventusermodel.XSSFReader;
-import org.hibernate.validator.HibernateValidator;
 import org.slf4j.Logger;
 import org.xml.sax.ContentHandler;
 import org.xml.sax.InputSource;
 import org.xml.sax.SAXException;
 import org.xml.sax.XMLReader;
 
 import javax.validation.ConstraintViolation;
-import javax.validation.Validation;
-import javax.validation.Validator;
-import javax.validation.ValidatorFactory;
 import javax.xml.parsers.ParserConfigurationException;
 import java.io.File;
 import java.io.FileInputStream;
@@ -100,7 +97,6 @@ public SaxExcelReader<T> sheet(String sheetName) {
         return sheets(sheetName);
     }
 
-    public Validator validator;
 
     public SaxExcelReader<T> sheets(Integer... sheetIndexs) {
         this.readConfig.sheetIndexs.clear();
@@ -213,7 +209,7 @@ public ValidationListObject<T> validRead(File file) {
 
     private void doValidRead(T t, RowContext rowContext, ValidationListObject<T> validationListObject) {
         ValidationObject<T> validationObject = new ValidationObject<>();
-        Set<ConstraintViolation<T>> violations = getValidator().validate(t, t.getClass());
+        Set<ConstraintViolation<T>> violations = ValidatorUtil.getValidator().validate(t, t.getClass());
         validationObject.setRowNum(rowContext.getRowNum());
         validationObject.setConstraintViolations(violations);
         validationListObject.getValidationObjects().add(validationObject);
@@ -297,18 +293,6 @@ public static WorkbookMetaData getWorkbookMetaData(File file) {
         return saxExcelReader.workbookMetaData;
     }
 
-    private synchronized Validator getValidator() {
-        if (validator == null) {
-            try (ValidatorFactory validatorFactory = Validation
-                    .byProvider(HibernateValidator.class)
-                    .configure()
-                    .buildValidatorFactory()) {
-                validator = validatorFactory.getValidator();
-            }
-        }
-        return validator;
-    }
-
     private void doRead(InputStream fileInputStream) {
         this.doRead(fileInputStream, false);
     }

src/main/java/com/github/liaochong/myexcel/utils/ValidatorUtil.java

@@ -0,0 +1,42 @@
+/*
+ * Copyright 2019 liaochong
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.github.liaochong.myexcel.utils;
+
+import org.hibernate.validator.HibernateValidator;
+
+import javax.validation.Validation;
+import javax.validation.Validator;
+import javax.validation.ValidatorFactory;
+
+/**
+ * @author liaochong
+ * @version 1.0
+ */
+public final class ValidatorUtil {
+
+    private static Validator validator;
+
+    public static synchronized Validator getValidator() {
+        if (validator == null) {
+            try (ValidatorFactory validatorFactory = Validation
+                    .byProvider(HibernateValidator.class)
+                    .configure()
+                    .buildValidatorFactory()) {
+                validator = validatorFactory.getValidator();
+            }
+        }
+        return validator;
+    }
+}