Remove not used SingletonManager
Now we fully relay on the Guice bindings and injections. Therefore we
can safely remove `SingletonManager`, `CustomClassLoader` and
`ClassUtils`.
Change-Id: I0d079135d358975e8fe5c8c049398bb54d2de03b
diff --git a/src/main/java/com/googlesource/gerrit/plugins/chatgpt/data/singleton/SingletonManager.java b/src/main/java/com/googlesource/gerrit/plugins/chatgpt/data/singleton/SingletonManager.java
deleted file mode 100644
index 115f353..0000000
--- a/src/main/java/com/googlesource/gerrit/plugins/chatgpt/data/singleton/SingletonManager.java
+++ /dev/null
@@ -1,42 +0,0 @@
-package com.googlesource.gerrit.plugins.chatgpt.data.singleton;
-
-import java.util.HashMap;
-import java.util.Map;
-
-import static com.googlesource.gerrit.plugins.chatgpt.utils.ClassUtils.createNewInstanceWithArgs;
-
-public class SingletonManager {
- private static final Map<String, Object> instances = new HashMap<>();
-
- public static synchronized <T> T getInstance(Class<T> clazz, String key, Object... constructorArgs) {
- if (!instances.containsKey(key)) {
- return createNewInstance(clazz, key, constructorArgs);
- }
- return clazz.cast(instances.get(key));
- }
-
- public static synchronized <T> T getNewInstance(Class<T> clazz, String key, Object... constructorArgs) {
- return createNewInstance(clazz, key, constructorArgs);
- }
-
- public static synchronized void removeInstance(Class<?> clazz, String key) {
- instances.remove(key);
- }
-
- private static synchronized <T> T createNewInstance(Class<T> clazz, String key, Object... constructorArgs) {
- try {
- // Use reflection to invoke constructor with arguments
- T instance;
- if (constructorArgs == null || constructorArgs.length == 0) {
- instance = clazz.getDeclaredConstructor().newInstance();
- } else {
- instance = createNewInstanceWithArgs(clazz, constructorArgs);
- }
- instances.put(key, instance);
- return instance;
- } catch (Exception e) {
- throw new RuntimeException("Error creating instance for class: " + clazz.getName(), e);
- }
- }
-
-}
diff --git a/src/main/java/com/googlesource/gerrit/plugins/chatgpt/utils/ClassUtils.java b/src/main/java/com/googlesource/gerrit/plugins/chatgpt/utils/ClassUtils.java
deleted file mode 100644
index 712ec54..0000000
--- a/src/main/java/com/googlesource/gerrit/plugins/chatgpt/utils/ClassUtils.java
+++ /dev/null
@@ -1,29 +0,0 @@
-package com.googlesource.gerrit.plugins.chatgpt.utils;
-
-import java.lang.reflect.InvocationTargetException;
-import java.util.List;
-
-public class ClassUtils {
- public static synchronized <T> T createNewInstanceWithArgs(Class<T> clazz, Object... constructorArgs) {
- Class<?>[] argClasses = new Class[constructorArgs.length];
- for (int i = 0; i < constructorArgs.length; i++) {
- argClasses[i] = constructorArgs[i].getClass();
- }
- try {
- return clazz.getDeclaredConstructor(argClasses).newInstance(constructorArgs);
- } catch (InstantiationException | IllegalAccessException | InvocationTargetException | NoSuchMethodException e) {
- throw new RuntimeException(e);
- }
- }
-
- public static void registerDynamicClasses(Class<?>... classes) {
- for (Class<?> clazz : classes) {
- assert clazz != null; // This assertion is always true; serves to silence "unused" warnings
- }
- }
-
- public static String joinUsingDotNotation(List<String> components) {
- return String.join(".", components);
- }
-
-}
diff --git a/src/main/java/com/googlesource/gerrit/plugins/chatgpt/utils/CustomClassLoader.java b/src/main/java/com/googlesource/gerrit/plugins/chatgpt/utils/CustomClassLoader.java
deleted file mode 100644
index 0b0b272..0000000
--- a/src/main/java/com/googlesource/gerrit/plugins/chatgpt/utils/CustomClassLoader.java
+++ /dev/null
@@ -1,43 +0,0 @@
-package com.googlesource.gerrit.plugins.chatgpt.utils;
-
-import java.io.ByteArrayOutputStream;
-import java.io.IOException;
-import java.io.InputStream;
-
-public class CustomClassLoader extends ClassLoader {
- @Override
- protected Class<?> findClass(String name) {
- try {
- // Attempt to load the class using the default class loader
- return Class.forName(name);
- } catch (ClassNotFoundException e) {
- return loadLocalClass(name);
- }
- }
-
- private Class<?> loadLocalClass(String name) {
- try {
- byte[] b = loadClassData(name);
- return defineClass(name, b, 0, b.length);
- } catch (IOException e) {
- throw new RuntimeException("Failed to load local class " + name, e);
- }
- }
-
- private byte[] loadClassData(String name) throws IOException {
- ByteArrayOutputStream byteSt;
- try (InputStream is = getClass().getClassLoader().getResourceAsStream(
- name.replace('.', '/') + ".class")) {
- byteSt = new ByteArrayOutputStream();
- int len;
- while ((len = is.read()) != -1) {
- byteSt.write(len);
- }
- }
- catch (NullPointerException e) {
- throw new RuntimeException("Failed to load class data for class " + name, e);
- }
- return byteSt.toByteArray();
- }
-
-}
