Adapting partial code(file name start with F) to the sonar cloud rule (#2045)

* Adapting partial code(file name start with F) to the sonar cloud rule

* add more unit test

* add License

* add includes configuration to maven-surefire-plugin

* fix getResourceFilesList incorrect logic

dolphinscheduler-alert/src/main/java/org/apache/dolphinscheduler/alert/utils/FuncUtils.java

@@ -20,7 +20,7 @@ import org.apache.dolphinscheduler.common.utils.StringUtils;
 
 public class FuncUtils {
 
-    static public String mkString(Iterable<String> list, String split) {
+    public static String mkString(Iterable<String> list, String split) {
 
         if (null == list || StringUtils.isEmpty(split)){
             return null;

dolphinscheduler-alert/src/test/java/org/apache/dolphinscheduler/alert/utils/FuncUtilsTest.java

@@ -46,7 +46,7 @@ public class FuncUtilsTest {
         logger.info(result);
 
         //Expected result string
-        assertEquals(result, "user1|user2|user3");
+        assertEquals("user1|user2|user3", result);
 
         //Null list expected return null
         result = FuncUtils.mkString(null, split);

dolphinscheduler-common/src/main/java/org/apache/dolphinscheduler/common/task/flink/FlinkParameters.java

@@ -20,6 +20,7 @@ import org.apache.dolphinscheduler.common.enums.ProgramType;
 import org.apache.dolphinscheduler.common.process.ResourceInfo;
 import org.apache.dolphinscheduler.common.task.AbstractParameters;
 
+import java.util.Collections;
 import java.util.List;
 import java.util.stream.Collectors;
 
@@ -207,12 +208,15 @@ public class FlinkParameters extends AbstractParameters {
 
   @Override
   public List<String> getResourceFilesList() {
-    if(resourceList !=null ) {
-      this.resourceList.add(mainJar);
-      return resourceList.stream()
-              .map(p -> p.getRes()).collect(Collectors.toList());
+    if(resourceList != null ) {
+      List<String> resourceFiles = resourceList.stream()
+              .map(ResourceInfo::getRes).collect(Collectors.toList());
+      if(mainJar != null) {
+        resourceFiles.add(mainJar.getRes());
+      }
+      return resourceFiles;
     }
-    return null;
+    return Collections.emptyList();
   }
 
 

dolphinscheduler-common/src/main/java/org/apache/dolphinscheduler/common/utils/FileUtils.java

@@ -44,7 +44,7 @@ public class FileUtils {
 
         String fileSuffix = "";
         if (StringUtils.isNotEmpty(filename)) {
-            int lastIndex = filename.lastIndexOf(".");
+            int lastIndex = filename.lastIndexOf('.');
             if (lastIndex > 0) {
                 fileSuffix = filename.substring(lastIndex + 1);
             }
@@ -325,10 +325,8 @@ public class FileUtils {
             }
         } else {
             File parent = file.getParentFile();
-            if (parent != null) {
-                if (!parent.mkdirs() && !parent.isDirectory()) {
+            if (parent != null && !parent.mkdirs() && !parent.isDirectory()) {
                     throw new IOException("Directory '" + parent + "' could not be created");
-                }
             }
         }
         return new FileOutputStream(file, append);

dolphinscheduler-common/src/test/java/org/apache/dolphinscheduler/common/task/FlinkParametersTest.java

@@ -0,0 +1,55 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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 org.apache.dolphinscheduler.common.task;
+
+import org.apache.dolphinscheduler.common.process.ResourceInfo;
+import org.apache.dolphinscheduler.common.task.flink.FlinkParameters;
+import org.junit.Assert;
+import org.junit.Test;
+
+import java.util.LinkedList;
+import java.util.List;
+
+public class FlinkParametersTest {
+    @Test
+    public void getResourceFilesList() {
+        FlinkParameters flinkParameters = new FlinkParameters();
+        Assert.assertNotNull(flinkParameters.getResourceFilesList());
+        Assert.assertTrue(flinkParameters.getResourceFilesList().isEmpty());
+
+        ResourceInfo mainResource = new ResourceInfo();
+        mainResource.setRes("testFlinkMain-1.0.0-SNAPSHOT.jar");
+        flinkParameters.setMainJar(mainResource);
+
+        List<ResourceInfo> resourceInfos = new LinkedList<>();
+        ResourceInfo resourceInfo1 = new ResourceInfo();
+        resourceInfo1.setRes("testFlinkParameters1.jar");
+        resourceInfos.add(resourceInfo1);
+
+        flinkParameters.setResourceList(resourceInfos);
+        Assert.assertNotNull(flinkParameters.getResourceFilesList());
+        Assert.assertEquals(2, flinkParameters.getResourceFilesList().size());
+
+        ResourceInfo resourceInfo2 = new ResourceInfo();
+        resourceInfo2.setRes("testFlinkParameters2.jar");
+        resourceInfos.add(resourceInfo2);
+
+        flinkParameters.setResourceList(resourceInfos);
+        Assert.assertNotNull(flinkParameters.getResourceFilesList());
+        Assert.assertEquals(3, flinkParameters.getResourceFilesList().size());
+    }
+}

dolphinscheduler-common/src/test/java/org/apache/dolphinscheduler/common/utils/FileUtilsTest.java

@@ -30,29 +30,32 @@ public class FileUtilsTest {
 
     @Test
     public void suffix() {
-        Assert.assertEquals(FileUtils.suffix("ninfor.java"),"java");
+        Assert.assertEquals("java", FileUtils.suffix("ninfor.java"));
+        Assert.assertEquals("", FileUtils.suffix(null));
+        Assert.assertEquals("", FileUtils.suffix(""));
+        Assert.assertEquals("", FileUtils.suffix("ninfor-java"));
     }
 
     @Test
     public void testGetDownloadFilename() {
         PowerMockito.mockStatic(DateUtils.class);
         PowerMockito.when(DateUtils.getCurrentTime(YYYYMMDDHHMMSS)).thenReturn("20190101101059");
-        Assert.assertEquals(FileUtils.getDownloadFilename("test"),
-                "/tmp/dolphinscheduler/download/20190101101059/test");
+        Assert.assertEquals("/tmp/dolphinscheduler/download/20190101101059/test",
+                FileUtils.getDownloadFilename("test"));
     }
 
     @Test
     public void testGetUploadFilename() {
-        Assert.assertEquals(FileUtils.getUploadFilename("aaa","bbb"),
-                "/tmp/dolphinscheduler/aaa/resources/bbb");
+        Assert.assertEquals("/tmp/dolphinscheduler/aaa/resources/bbb",
+                FileUtils.getUploadFilename("aaa","bbb"));
     }
 
     @Test
     public void testGetProcessExecDir() {
         String dir = FileUtils.getProcessExecDir(1,2,3, 4);
-        Assert.assertEquals(dir, "/tmp/dolphinscheduler/exec/process/1/2/3/4");
+        Assert.assertEquals("/tmp/dolphinscheduler/exec/process/1/2/3/4", dir);
         dir = FileUtils.getProcessExecDir(1,2,3);
-        Assert.assertEquals(dir, "/tmp/dolphinscheduler/exec/process/1/2/3");
+        Assert.assertEquals("/tmp/dolphinscheduler/exec/process/1/2/3", dir);
     }
 
     @Test

dolphinscheduler-server/src/main/java/org/apache/dolphinscheduler/server/utils/FlinkArgsUtils.java

@@ -17,12 +17,11 @@
 package org.apache.dolphinscheduler.server.utils;
 
 
+import org.apache.commons.lang.StringUtils;
 import org.apache.dolphinscheduler.common.Constants;
 import org.apache.dolphinscheduler.common.enums.ProgramType;
 import org.apache.dolphinscheduler.common.process.ResourceInfo;
 import org.apache.dolphinscheduler.common.task.flink.FlinkParameters;
-import org.apache.commons.lang.StringUtils;
-import org.slf4j.LoggerFactory;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -32,12 +31,7 @@ import java.util.List;
  *  spark args utils
  */
 public class FlinkArgsUtils {
-
-    /**
-     * logger of FlinkArgsUtils
-     */
-    private static final org.slf4j.Logger logger = LoggerFactory.getLogger(FlinkArgsUtils.class);
-
+    private static final String LOCAL_DEPLOY_MODE = "local";
     /**
      * build args
      * @param param flink parameters
@@ -52,7 +46,7 @@ public class FlinkArgsUtils {
             deployMode = tmpDeployMode;
 
         }
-        if (!"local".equals(deployMode)) {
+        if (!LOCAL_DEPLOY_MODE.equals(deployMode)) {
             args.add(Constants.FLINK_RUN_MODE);  //-m
 
             args.add(Constants.FLINK_YARN_CLUSTER);   //yarn-cluster
@@ -113,12 +107,12 @@ public class FlinkArgsUtils {
         String queue = param.getQueue();
         if (StringUtils.isNotEmpty(others)) {
 
-            if (!others.contains(Constants.FLINK_QUEUE) && StringUtils.isNotEmpty(queue) && !deployMode.equals("local")) {
+            if (!others.contains(Constants.FLINK_QUEUE) && StringUtils.isNotEmpty(queue) && !deployMode.equals(LOCAL_DEPLOY_MODE)) {
                 args.add(Constants.FLINK_QUEUE);
                 args.add(param.getQueue());
             }
             args.add(others);
-        } else if (StringUtils.isNotEmpty(queue) && !deployMode.equals("local")) {
+        } else if (StringUtils.isNotEmpty(queue) && !deployMode.equals(LOCAL_DEPLOY_MODE)) {
             args.add(Constants.FLINK_QUEUE);
             args.add(param.getQueue());
         }

dolphinscheduler-server/src/main/java/org/apache/dolphinscheduler/server/worker/runner/TaskScheduleThread.java

@@ -296,9 +296,7 @@ public class TaskScheduleThread implements Runnable {
 
         if (baseParam != null) {
             List<String> projectResourceFiles = baseParam.getResourceFilesList();
-            if (projectResourceFiles != null) {
-                projectFiles.addAll(projectResourceFiles);
-            }
+            projectFiles.addAll(projectResourceFiles);
         }
 
         return new ArrayList<>(projectFiles);

dolphinscheduler-server/src/test/java/org/apache/dolphinscheduler/server/utils/FlinkArgsUtilsTest.java

@@ -87,35 +87,35 @@ public class FlinkArgsUtilsTest {
         }
 
         //Expected values and order
-        assertEquals(result.size(),20);
+        assertEquals(20, result.size());
 
-        assertEquals(result.get(0),"-m");
-        assertEquals(result.get(1),"yarn-cluster");
+        assertEquals("-m", result.get(0));
+        assertEquals("yarn-cluster", result.get(1));
 
-        assertEquals(result.get(2),"-ys");
+        assertEquals("-ys", result.get(2));
         assertSame(Integer.valueOf(result.get(3)),slot);
 
-        assertEquals(result.get(4),"-ynm");
+        assertEquals("-ynm",result.get(4));
         assertEquals(result.get(5),appName);
 
-        assertEquals(result.get(6),"-yn");
+        assertEquals("-yn", result.get(6));
         assertSame(Integer.valueOf(result.get(7)),taskManager);
 
-        assertEquals(result.get(8),"-yjm");
+        assertEquals("-yjm", result.get(8));
         assertEquals(result.get(9),jobManagerMemory);
 
-        assertEquals(result.get(10),"-ytm");
+        assertEquals("-ytm", result.get(10));
         assertEquals(result.get(11),taskManagerMemory);
 
-        assertEquals(result.get(12),"-d");
+        assertEquals("-d", result.get(12));
 
-        assertEquals(result.get(13),"-c");
+        assertEquals("-c", result.get(13));
         assertEquals(result.get(14),mainClass);
 
         assertEquals(result.get(15),mainJar.getRes());
         assertEquals(result.get(16),mainArgs);
 
-        assertEquals(result.get(17),"--qu");
+        assertEquals("--qu", result.get(17));
         assertEquals(result.get(18),queue);
 
         assertEquals(result.get(19),others);
@@ -125,7 +125,7 @@ public class FlinkArgsUtilsTest {
         param1.setQueue(queue);
         param1.setDeployMode(mode);
         result = FlinkArgsUtils.buildArgs(param1);
-        assertEquals(result.size(),5);
+        assertEquals(5, result.size());
 
     }
 }

pom.xml

@@ -691,6 +691,7 @@
                         <include>**/common/threadutils/*.java</include>
                         <include>**/common/graph/*.java</include>
                         <include>**/common/queue/*.java</include>
+                        <include>**/common/task/FlinkParametersTest.java</include>
                         <include>**/common/task/SqoopParameterEntityTest.java</include>
                         <include>**/api/utils/CheckUtilsTest.java</include>
                         <include>**/api/utils/FileUtilsTest.java</include>