code format & fix sonar check

linkis-commons/linkis-storage/src/main/java/org/apache/linkis/storage/fs/impl/HDFSFileSystem.java

@@ -60,7 +60,8 @@ public class HDFSFileSystem extends FileSystem {
 
   private static final String LOCKER_SUFFIX = "refresh";
 
-  private static final int REFRESH_INTERVAL = LinkisStorageConf.HDFS_FILE_SYSTEM_REFRESHE_INTERVAL() * 1000 * 60;
+  private static final int REFRESH_INTERVAL =
+      LinkisStorageConf.HDFS_FILE_SYSTEM_REFRESHE_INTERVAL() * 1000 * 60;
 
   private static final ConcurrentHashMap<String, Long> lastCallTimes = new ConcurrentHashMap<>();
 
@@ -336,7 +337,7 @@ public boolean exists(FsPath dest) throws IOException {
   private void resetRootHdfs() {
     if (fs != null) {
       String locker = user + LOCKER_SUFFIX;
-      synchronized (locker.intern()) {
+      synchronized (locker.intern()) { // NOSONAR
         if (fs != null) {
           if (HadoopConf.HDFS_ENABLE_CACHE()) {
             long currentTime = System.currentTimeMillis();

linkis-commons/linkis-storage/src/main/scala/org/apache/linkis/storage/domain/MethodEntity.scala

@@ -18,6 +18,7 @@
 package org.apache.linkis.storage.domain
 
 import java.lang.reflect.Type
+
 import com.google.gson.{GsonBuilder, ToNumberPolicy}
 
 /**

linkis-computation-governance/linkis-manager/linkis-application-manager/src/main/java/org/apache/linkis/manager/am/conf/AMConfiguration.java

@@ -101,7 +101,8 @@ public class AMConfiguration {
       CommonVars.apply("wds.linkis.allow.batch.kill.engine.types", "spark,hive,python");
 
   public static final CommonVars<String> UNALLOW_BATCH_KILL_ENGINE_TYPES =
-      CommonVars.apply("wds.linkis.unallow.batch.kill.engine.types", "trino,appconn,io_file,jdbc,nebula");
+      CommonVars.apply(
+          "wds.linkis.unallow.batch.kill.engine.types", "trino,appconn,io_file,jdbc,nebula");
   public static final CommonVars<String> MULTI_USER_ENGINE_USER =
       CommonVars.apply("wds.linkis.multi.user.engine.user", getDefaultMultiEngineUser());
   public static final String UDF_KILL_ENGINE_TYPE =

linkis-computation-governance/linkis-manager/linkis-manager-common/src/main/java/org/apache/linkis/manager/common/entity/resource/LoadInstanceResource.java

@@ -192,10 +192,10 @@ public int getCores() {
   }
 
   public int getInstances() {
-    return instances;
+    return this.instances;
   }
 
   public int getInstance() {
-    return instances;
+    return this.instances; // NOSONAR
   }
 }

linkis-engineconn-plugins/spark/src/main/java/org/apache/linkis/engineplugin/spark/client/deployment/util/FileUtils.java

@@ -27,8 +27,8 @@
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.nio.file.StandardOpenOption;
+import java.security.SecureRandom;
 import java.util.Arrays;
-import java.util.Random;
 import java.util.stream.Stream;
 
 /**
@@ -63,7 +63,7 @@ public final class FileUtils {
 
   public static final String PACKAGE_SEPARATOR = ".";
 
-  public static final Random rnd = new Random();
+  public static final SecureRandom rand = new SecureRandom();
 
   // ------------------------------------------------------------------------
 
@@ -96,7 +96,7 @@ public static String getRandomFilename(final String prefix) {
     final StringBuilder stringBuilder = new StringBuilder(prefix);
 
     for (int i = 0; i < RANDOM_FILE_NAME_LENGTH; i++) {
-      stringBuilder.append(ALPHABET[rnd.nextInt(ALPHABET.length)]);
+      stringBuilder.append(ALPHABET[rand.nextInt(ALPHABET.length)]);
     }
 
     return stringBuilder.toString();