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Diffstat (limited to 'src/main/java/kubatech/api/helpers/ReflectionHelper.java')
-rw-r--r--src/main/java/kubatech/api/helpers/ReflectionHelper.java205
1 files changed, 0 insertions, 205 deletions
diff --git a/src/main/java/kubatech/api/helpers/ReflectionHelper.java b/src/main/java/kubatech/api/helpers/ReflectionHelper.java
deleted file mode 100644
index 5c5bb1070e..0000000000
--- a/src/main/java/kubatech/api/helpers/ReflectionHelper.java
+++ /dev/null
@@ -1,205 +0,0 @@
-/*
- * spotless:off
- * KubaTech - Gregtech Addon
- * Copyright (C) 2022 - 2024 kuba6000
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 3 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this library. If not, see <https://www.gnu.org/licenses/>.
- * spotless:on
- */
-
-package kubatech.api.helpers;
-
-import java.io.FileNotFoundException;
-import java.io.IOException;
-import java.io.InputStream;
-import java.lang.reflect.Field;
-import java.lang.reflect.Method;
-import java.net.JarURLConnection;
-import java.net.URL;
-import java.util.Collection;
-import java.util.Collections;
-import java.util.HashMap;
-import java.util.Objects;
-import java.util.jar.JarFile;
-import java.util.stream.Collectors;
-
-import net.minecraft.launchwrapper.Launch;
-
-import org.objectweb.asm.ClassReader;
-import org.objectweb.asm.tree.ClassNode;
-
-public class ReflectionHelper {
-
- private static class _FieldsMethods {
-
- final HashMap<String, Field> fields = new HashMap<>();
- final HashMap<String, Method> methods = new HashMap<>();
- }
-
- private static final HashMap<String, _FieldsMethods> classes = new HashMap<>();
-
- @SuppressWarnings("unchecked")
- public static <T> T getField(Object obj, String fieldName, T defaultvalue) {
- Class<?> cl = obj.getClass();
- String clName = cl.getName();
- HashMap<String, Field> classmap = classes.computeIfAbsent(clName, s -> new _FieldsMethods()).fields;
- try {
- if (classmap.containsKey(fieldName)) {
- Field f = classmap.get(fieldName);
- if (f == null) return defaultvalue;
- return (T) f.get(obj);
- }
- boolean exceptionDetected;
- Field f = null;
- do {
- exceptionDetected = false;
- try {
- f = cl.getDeclaredField(fieldName);
- f.setAccessible(true);
- } catch (Exception ex) {
- exceptionDetected = true;
- cl = cl.getSuperclass();
- }
- } while (exceptionDetected && !cl.equals(Object.class));
- classmap.put(fieldName, f);
- if (f == null) return defaultvalue;
- return (T) f.get(obj);
- } catch (Exception ex) {
- return defaultvalue;
- }
- }
-
- public static <T> boolean setField(Object obj, String fieldName, T value) {
- Class<?> cl = obj.getClass();
- String clName = cl.getName();
- HashMap<String, Field> classmap = classes.computeIfAbsent(clName, s -> new _FieldsMethods()).fields;
- try {
- if (classmap.containsKey(fieldName)) {
- Field f = classmap.get(fieldName);
- if (f == null) return false;
- f.set(obj, value);
- return true;
- }
- boolean exceptionDetected;
- Field f = null;
- do {
- exceptionDetected = false;
- try {
- f = cl.getDeclaredField(fieldName);
- f.setAccessible(true);
- } catch (Exception ex) {
- exceptionDetected = true;
- cl = cl.getSuperclass();
- }
- } while (exceptionDetected && !cl.equals(Object.class));
- classmap.put(fieldName, f);
- if (f == null) return false;
- f.set(obj, value);
- return true;
- } catch (Exception ex) {
- return false;
- }
- }
-
- public static <T> T getField(Object obj, String fieldName) {
- return getField(obj, fieldName, null);
- }
-
- @SuppressWarnings("unchecked")
- public static <T> T callMethod(Object obj, String methodName, T defaultValue, Object... args) {
- Class<?> cl = obj.getClass();
- String clName = cl.getName();
- HashMap<String, Method> classmap = classes.computeIfAbsent(clName, s -> new _FieldsMethods()).methods;
- StringBuilder builder = new StringBuilder(methodName);
- Class<?>[] argsTypes = new Class<?>[args.length];
- for (int i = 0; i < args.length; i++) {
- Class<?> arg = args[i].getClass();
- builder.append(";")
- .append(arg.getSimpleName());
- argsTypes[i] = arg;
- }
- String methodNameUnique = builder.toString();
- try {
- if (classmap.containsKey(methodNameUnique)) {
- Method m = classmap.get(methodNameUnique);
- if (m == null) return defaultValue;
- return (T) m.invoke(obj, args);
- }
- boolean exceptionDetected;
- Method m = null;
- do {
- exceptionDetected = false;
- try {
- m = cl.getDeclaredMethod(methodName, argsTypes);
- m.setAccessible(true);
- } catch (Exception ex) {
- exceptionDetected = true;
- cl = cl.getSuperclass();
- }
- } while (exceptionDetected && !cl.equals(Object.class));
- classmap.put(methodNameUnique, m);
- if (m == null) return defaultValue;
- return (T) m.invoke(obj, args);
- } catch (Exception ex) {
- return defaultValue;
- }
- }
-
- /**
- * Gets all classes in a specific package path, works only for jar files.
- *
- * @param packageName The package name
- * @return The class nodes
- */
- public static Collection<ClassNode> getClasses(String packageName) throws IOException {
- ClassLoader classLoader = Thread.currentThread()
- .getContextClassLoader();
- assert classLoader != null;
- String packagePath = packageName.replace('.', '/');
- URL resource = classLoader.getResource(packagePath);
- if (resource == null) throw new FileNotFoundException();
- if (!resource.getProtocol()
- .equals("jar")) return Collections.emptySet();
- try (JarFile jar = ((JarURLConnection) resource.openConnection()).getJarFile()) {
- return jar.stream()
- .filter(
- j -> !j.isDirectory() && j.getName()
- .startsWith(packagePath)
- && j.getName()
- .endsWith(".class"))
- .map(j -> {
- try {
- String name = j.getName();
- URL jarResource = Launch.classLoader.getResource(name);
- if (jarResource == null) return null;
- byte[] bytes;
- try (InputStream is = jarResource.openStream()) {
- bytes = new byte[(int) j.getSize()];
- if (is.read(bytes) != bytes.length) return null;
- if (is.available() > 0) return null;
- }
-
- ClassNode cn = new ClassNode();
- ClassReader cr = new ClassReader(bytes);
- cr.accept(cn, 0);
-
- return cn;
- } catch (IOException ignored) {}
- return null;
- })
- .filter(Objects::nonNull)
- .collect(Collectors.toSet());
- }
- }
-}
generated by cgit (git 2.46.0) at 2025-04-05 05:08:11 +0000