remove freemarker dependency (#1757)

* remove freemarker dependency

dolphinscheduler-api/src/main/java/org/apache/dolphinscheduler/api/service/ResourcesService.java

@@ -19,7 +19,6 @@ package org.apache.dolphinscheduler.api.service;
 import com.baomidou.mybatisplus.core.metadata.IPage;
 import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import org.apache.commons.collections.BeanMap;
-import org.apache.commons.lang.StringUtils;
 import org.apache.dolphinscheduler.api.enums.Status;
 import org.apache.dolphinscheduler.api.utils.PageInfo;
 import org.apache.dolphinscheduler.api.utils.Result;
@@ -28,6 +27,7 @@ import org.apache.dolphinscheduler.common.enums.ResourceType;
 import org.apache.dolphinscheduler.common.utils.FileUtils;
 import org.apache.dolphinscheduler.common.utils.HadoopUtils;
 import org.apache.dolphinscheduler.common.utils.PropertyUtils;
+import org.apache.dolphinscheduler.common.utils.StringUtils;
 import org.apache.dolphinscheduler.dao.entity.Resource;
 import org.apache.dolphinscheduler.dao.entity.Tenant;
 import org.apache.dolphinscheduler.dao.entity.UdfFunc;
@@ -104,7 +104,7 @@ public class ResourcesService extends BaseService {
         String nameSuffix = FileUtils.suffix(name);
 
         // determine file suffix
-        if (!StringUtils.equals(fileSuffix, nameSuffix)) {
+        if (!(StringUtils.isNotEmpty(fileSuffix) && fileSuffix.equalsIgnoreCase(nameSuffix))) {
             /**
              * rename file suffix and original suffix must be consistent
              */
@@ -341,7 +341,7 @@ public class ResourcesService extends BaseService {
         String nameSuffix = FileUtils.suffix(name);
 
         // determine file suffix
-        if (!StringUtils.equals(fileSuffix, nameSuffix)) {
+        if (!(StringUtils.isNotEmpty(fileSuffix) && fileSuffix.equalsIgnoreCase(nameSuffix))) {
             return false;
         }
         // query tenant
@@ -539,7 +539,7 @@ public class ResourcesService extends BaseService {
                 putMsg(result, Status.SUCCESS);
                 Map<String, Object> map = new HashMap<>();
                 map.put(ALIAS, resource.getAlias());
-                map.put(CONTENT, StringUtils.join(content.toArray(), "\n"));
+                map.put(CONTENT, StringUtils.join(content, "\n"));
                 result.setData(map);
             }else{
                 logger.error("read file {} not exist in hdfs", hdfsFileName);
@@ -602,7 +602,7 @@ public class ResourcesService extends BaseService {
 
         putMsg(result, Status.SUCCESS);
         Map<Object, Object> dataMap = new BeanMap(resource);
-        Map<String, Object> resultMap = new HashMap<>(5);
+        Map<String, Object> resultMap = new HashMap<>();
         for (Map.Entry<Object, Object> entry: dataMap.entrySet()) {
             if (!Constants.CLASS.equalsIgnoreCase(entry.getKey().toString())) {
                 resultMap.put(entry.getKey().toString(), entry.getValue());

dolphinscheduler-api/src/main/java/org/apache/dolphinscheduler/api/service/UdfFuncService.java

@@ -22,6 +22,7 @@ import org.apache.dolphinscheduler.api.utils.Result;
 import org.apache.dolphinscheduler.common.Constants;
 import org.apache.dolphinscheduler.common.enums.UdfType;
 import org.apache.dolphinscheduler.common.utils.PropertyUtils;
+import org.apache.dolphinscheduler.common.utils.StringUtils;
 import org.apache.dolphinscheduler.dao.entity.Resource;
 import org.apache.dolphinscheduler.dao.entity.UdfFunc;
 import org.apache.dolphinscheduler.dao.entity.User;
@@ -30,7 +31,6 @@ import org.apache.dolphinscheduler.dao.mapper.UDFUserMapper;
 import org.apache.dolphinscheduler.dao.mapper.UdfFuncMapper;
 import com.baomidou.mybatisplus.core.metadata.IPage;
 import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
-import org.apache.commons.lang.StringUtils;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;

pom.xml

@@ -86,7 +86,6 @@
 		<commons.configuration.version>1.10</commons.configuration.version>
 		<commons.email.version>1.5</commons.email.version>
 		<poi.version>3.17</poi.version>
-		<freemarker.version>2.3.21</freemarker.version>
 		<javax.servlet.api.version>3.1.0</javax.servlet.api.version>
 		<commons.collections4.version>4.1</commons.collections4.version>
 		<guava.version>20.0</guava.version>
@@ -358,11 +357,11 @@
 				<version>${slf4j.log4j12.version}</version>
 			</dependency>
 
-      <dependency>
-        <groupId>commons-collections</groupId>
-        <artifactId>commons-collections</artifactId>
-        <version>${commons.collections.version}</version>
-      </dependency>
+			<dependency>
+				<groupId>commons-collections</groupId>
+				<artifactId>commons-collections</artifactId>
+				<version>${commons.collections.version}</version>
+		  	</dependency>
 
 			<dependency>
 				<groupId>commons-httpclient</groupId>
@@ -406,13 +405,6 @@
 				<version>${poi.version}</version>
 			</dependency>
 
-			<dependency>
-				<groupId>org.freemarker</groupId>
-				<artifactId>freemarker</artifactId>
-				<version>${freemarker.version}</version>
-			</dependency>
-
-
 			<!-- hadoop -->
 			<dependency>
 				<groupId>org.apache.hadoop</groupId>