refactoring

Author: seko0716

script-engine-tansformer/src/main/java/seko/kafka/connect/transformer/python/ScriptEngineTransformer.java

@@ -13,7 +13,10 @@
 import javax.script.ScriptEngine;
 import javax.script.ScriptEngineManager;
 import javax.script.ScriptException;
-import java.util.*;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+import java.util.Optional;
 
 import static org.apache.kafka.common.config.ConfigDef.Importance.MEDIUM;
 import static org.apache.kafka.common.config.ConfigDef.NO_DEFAULT_VALUE;
@@ -117,7 +120,7 @@ public void configure(Map<String, ?> configs) {
 
  private ScriptEngine getScript(String script) {
  ScriptEngine scriptEngine;
- if (Arrays.asList("nashorn", "javascript").contains(getScripEngineName().toLowerCase())) {
+ if (JS_SCRIPT_ENGINE_NAMES.contains(getScripEngineName().toLowerCase())) {
  scriptEngine = new NashornScriptEngineFactory().getScriptEngine("-strict", "--no-java", "--no-syntax-extensions");
  } else {
  scriptEngine = new ScriptEngineManager().getEngineByName(getScripEngineName());

shared/src/main/java/seko/kafka/connect/transformer/script/configs/Configuration.java

@@ -1,5 +1,8 @@
 package seko.kafka.connect.transformer.script.configs;
 
+import java.util.Arrays;
+import java.util.List;
+
 public final class Configuration {
  public static final String SCRIP_ENGINE_NAME = "scrip_engine_name";
 
@@ -8,6 +11,8 @@ public final class Configuration {
  public static final String FIELD_FOR_EXCEPTION = "field_for_exception";
  public static final String FIELD_FOR_EXCEPTION_DEFAULT = "script_engine_transformer_tags";
 
+ public static final List<String> JS_SCRIPT_ENGINE_NAMES = Arrays.asList("nashorn", "javascript");
+
  private Configuration() {
  }
 }