[Minor] styles: Modify the code format (#182)

Author: aozeyu

bitsail-clients/bitsail-client-api/src/main/java/com/bytedance/bitsail/client/api/utils/PackageResolver.java

@@ -30,7 +30,7 @@ public class PackageResolver {
 
   static String BITSAIL_HOME_KEY = "BITSAIL_HOME";
 
-  private static String LIBS_PATH = "./libs";
+  private static final String LIBS_PATH = "./libs";
   private static String CLIENT_PATH = LIBS_PATH + "/clients";
   private static String COMPONENTS_PATH = LIBS_PATH + "components";
   private static String CONNECTORS_PATH = LIBS_PATH + "connectors";

bitsail-clients/bitsail-client-entry/src/main/java/com/bytedance/bitsail/client/entry/Entry.java

@@ -89,7 +89,7 @@ public static void main(String[] args) {
           .load(entry.sysConfiguration, entry.baseCommandArgs);
 
       exit = securityContext.doAs(
-        () -> entry.runCommand());
+          entry::runCommand);
 
       System.exit(exit);
     } catch (Exception e) {
@@ -103,7 +103,7 @@ public static void main(String[] args) {
   public static BaseCommandArgs loadCommandArguments(String[] args) {
     if (args.length < 1) {
       CommandArgsParser.printHelp();
-      System.out.println("Please specify an action. Supported action are" + CommandAction.RUN_COMMAND);
+      System.out.println("Please specify an action. Supported action are " + CommandAction.RUN_COMMAND);
       System.exit(EntryConstants.ERROR_EXIT_CODE_COMMAND_ERROR);
     }
     final String mainCommand = args[0];

bitsail-common/src/main/java/com/bytedance/bitsail/common/configuration/BitSailConfiguration.java

@@ -62,7 +62,7 @@ public class BitSailConfiguration implements Serializable {
   private static final long serialVersionUID = 1L;
 
   private Set<String> secretKeyPathSet =
-      new HashSet<String>();
+      new HashSet<>();
 
   private Object root = null;
 

bitsail-common/src/main/java/com/bytedance/bitsail/common/option/ConfigOptions.java

@@ -109,7 +109,7 @@ public <T> ConfigOption<T> noDefaultValue(Class<T> clazz) {
     }
 
     public <T> ConfigOption<T> onlyReference(TypeReference<T> reference) {
-      return new ConfigOption<T>(key, null, reference);
+      return new ConfigOption<>(key, null, reference);
     }
   }
 }

bitsail-common/src/main/java/com/bytedance/bitsail/common/util/FieldPathUtils.java

@@ -61,7 +61,7 @@ public static Matcher listMatcher(String column) {
     return LIST_VALUE_PATTERN.matcher(column);
   }
 
-  public static enum PathType {
+  public enum PathType {
 
     /**
      * Array list