onEnable 之前加载插件

修复 NoClassDefFoundError 的问题

src/main/java/com/ilummc/tlib/TLib.java

@@ -14,7 +14,8 @@ import java.io.File;
 import java.lang.reflect.Field;
 
 @Dependency(type = Dependency.Type.LIBRARY, maven = "org.ow2.asm:asm:6.1.1")
-@Dependency(type = Dependency.Type.LIBRARY, maven = "com.zaxxer:HikariCP:3.0.0")
+@Dependency(type = Dependency.Type.LIBRARY, maven = "com.zaxxer:HikariCP:3.1.0")
+@Dependency(type = Dependency.Type.LIBRARY, maven = "org.slf4j:slf4j-api:1.7.25")
 public class TLib {
 
     private static TLib tLib;

src/main/java/com/ilummc/tlib/annotations/Config.java

@@ -1,5 +1,7 @@
 package com.ilummc.tlib.annotations;
 
+import com.ilummc.tlib.util.Ref;
+
 import java.lang.annotation.ElementType;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
@@ -20,6 +22,6 @@ public @interface Config {
 
     boolean listenChanges() default false;
 
-    int excludeModifiers() default Modifier.STATIC | Modifier.TRANSIENT;
+    int excludeModifiers() default Modifier.STATIC | Modifier.TRANSIENT | Ref.ACC_SYNTHETIC | Ref.ACC_BRIDGE;
 
 }

src/main/java/com/ilummc/tlib/inject/DependencyInjector.java

@@ -3,6 +3,7 @@ package com.ilummc.tlib.inject;
 import com.ilummc.tlib.TLib;
 import com.ilummc.tlib.annotations.*;
 import com.ilummc.tlib.dependency.TDependency;
+import com.ilummc.tlib.util.Ref;
 import com.ilummc.tlib.util.TLogger;
 import org.bukkit.Bukkit;
 import org.bukkit.plugin.Plugin;
@@ -14,22 +15,10 @@ import java.lang.reflect.Field;
 public class DependencyInjector {
 
     public static void inject(Plugin plugin, Object o) {
-        try {
         injectLogger(plugin, o);
-        } catch (NoClassDefFoundError ignored) {
-        }
-        try {
         injectConfig(plugin, o);
-        } catch (NoClassDefFoundError ignored) {
-        }
-        try {
         injectPluginInstance(plugin, o);
-        } catch (NoClassDefFoundError ignored) {
-        }
-        try {
         injectDependencies(plugin, o);
-        } catch (NoClassDefFoundError ignored) {
-        }
     }
 
     static void injectOnEnable(Plugin plugin) {
@@ -48,7 +37,7 @@ public class DependencyInjector {
     }
 
     private static void ejectConfig(Plugin plugin, Object o) {
-        for (Field field : o.getClass().getDeclaredFields()) {
+        for (Field field : Ref.getDeclaredFields(o.getClass())) {
             Config config;
             if ((config = field.getType().getAnnotation(Config.class)) != null) {
                 try {
@@ -64,7 +53,7 @@ public class DependencyInjector {
     }
 
     private static void injectConfig(Plugin plugin, Object o) {
-        for (Field field : o.getClass().getDeclaredFields()) {
+        for (Field field : Ref.getDeclaredFields(o.getClass())) {
             try {
                 Config config;
                 if ((config = field.getType().getAnnotation(Config.class)) != null) {
@@ -100,7 +89,7 @@ public class DependencyInjector {
     }
 
     private static void injectLogger(Plugin plugin, Object o) {
-        for (Field field : o.getClass().getDeclaredFields()) {
+        for (Field field : Ref.getDeclaredFields(o.getClass())) {
             try {
                 Logger logger;
                 if ((logger = field.getAnnotation(Logger.class)) != null) {
@@ -116,7 +105,7 @@ public class DependencyInjector {
     }
 
     private static void injectPluginInstance(Plugin plugin, Object o) {
-        for (Field field : o.getClass().getDeclaredFields()) {
+        for (Field field : Ref.getDeclaredFields(o.getClass())) {
             try {
                 PluginInstance instance;
                 if ((instance = field.getAnnotation(PluginInstance.class)) != null) {

src/main/java/com/ilummc/tlib/inject/TLibPluginManager.java

@@ -49,9 +49,7 @@ public class TLibPluginManager implements PluginManager {
 
     @Override
     public Plugin loadPlugin(File file) throws InvalidPluginException, InvalidDescriptionException, UnknownDependencyException {
-        Plugin plugin = instance.loadPlugin(file);
-        DependencyInjector.injectOnEnable(plugin);
-        return plugin;
+        return instance.loadPlugin(file);
     }
 
     @Override
@@ -94,6 +92,7 @@ public class TLibPluginManager implements PluginManager {
 
     @Override
     public void enablePlugin(Plugin plugin) {
+        DependencyInjector.injectOnEnable(plugin);
         instance.enablePlugin(plugin);
     }
 

src/main/java/com/ilummc/tlib/util/IO.java

@@ -0,0 +1,18 @@
+package com.ilummc.tlib.util;
+
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+
+public class IO {
+
+    public static byte[] readFully(InputStream inputStream) throws IOException {
+        ByteArrayOutputStream stream = new ByteArrayOutputStream();
+        byte[] buf = new byte[1024];
+        int len = 0;
+        while ((len = inputStream.read(buf)) > 0) {
+            stream.write(buf, 0, len);
+        }
+        return stream.toByteArray();
+    }
+}

src/main/java/com/ilummc/tlib/util/Ref.java

@@ -0,0 +1,59 @@
+package com.ilummc.tlib.util;
+
+import com.ilummc.tlib.util.asm.AsmAnalyser;
+import org.objectweb.asm.ClassReader;
+import org.objectweb.asm.ClassWriter;
+
+import javax.annotation.concurrent.ThreadSafe;
+import java.io.IOException;
+import java.lang.reflect.Field;
+import java.util.Collections;
+import java.util.List;
+import java.util.Map;
+import java.util.Objects;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.stream.Collectors;
+
+@ThreadSafe
+public class Ref {
+
+    private static final Map<String, List<Field>> cachedFields = new ConcurrentHashMap<>();
+
+    public static final int ACC_BRIDGE = 0x0040;
+    public static final int ACC_SYNTHETIC = 0x1000;
+
+    public static List<Field> getDeclaredFields(Class<?> clazz) {
+        return getDeclaredFields(clazz, 0, false);
+    }
+
+    public static List<Field> getDeclaredFields(String clazz, int excludeModifiers, boolean cache) {
+        try {
+            return getDeclaredFields(Class.forName(clazz), excludeModifiers, cache);
+        } catch (ClassNotFoundException e) {
+            return Collections.emptyList();
+        }
+    }
+
+    public static List<Field> getDeclaredFields(Class<?> clazz, int excludeModifiers, boolean cache) {
+        try {
+            Class.forName("org.objectweb.asm.ClassVisitor");
+            List<Field> fields;
+            if ((fields = cachedFields.get(clazz.getName())) != null) return fields;
+            ClassReader classReader = new ClassReader(clazz.getResourceAsStream("/" + clazz.getName().replace('.', '/') + ".class"));
+            AsmAnalyser analyser = new AsmAnalyser(new ClassWriter(ClassWriter.COMPUTE_MAXS), excludeModifiers);
+            classReader.accept(analyser, ClassReader.SKIP_DEBUG);
+            fields = analyser.getFields().stream().map(name -> {
+                try {
+                    return clazz.getDeclaredField(name);
+                } catch (Throwable ignored) {
+                }
+                return null;
+            }).filter(Objects::nonNull).collect(Collectors.toList());
+            if (cache) cachedFields.putIfAbsent(clazz.getName(), fields);
+            return fields;
+        } catch (Exception e) {
+            return Collections.emptyList();
+        }
+    }
+
+}

src/main/java/com/ilummc/tlib/util/asm/AsmAnalyser.java

@@ -0,0 +1,31 @@
+package com.ilummc.tlib.util.asm;
+
+import org.objectweb.asm.ClassVisitor;
+import org.objectweb.asm.FieldVisitor;
+import org.objectweb.asm.Opcodes;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class AsmAnalyser extends ClassVisitor implements Opcodes {
+
+    private final List<String> fields = new ArrayList<>();
+
+    private final int excludeModifier;
+
+    public AsmAnalyser(ClassVisitor classVisitor, int excludeModifiers) {
+        super(Opcodes.ASM6, classVisitor);
+        this.excludeModifier = excludeModifiers;
+    }
+
+    @Override
+    public FieldVisitor visitField(int access, String name, String descriptor, String signature, Object value) {
+        if ((access & excludeModifier) == 0)
+            fields.add(name);
+        return super.visitField(access, name, descriptor, signature, value);
+    }
+
+    public List<String> getFields() {
+        return fields;
+    }
+}

src/main/java/me/skymc/taboolib/Main.java

@@ -51,21 +51,6 @@ import java.util.Random;
 @SuppressWarnings("deprecation")
 public class Main extends JavaPlugin implements Listener {
 
-    public Main() {
-        super();
-
-        inst = this;
-        disable = false;
-
-        TLib.injectPluginManager();
-
-        // 载入配置
-        saveDefaultConfig();
-
-        // 加载依赖
-        TLib.init();
-    }
-
     @Getter
     private static Plugin inst;
     @Getter
@@ -116,6 +101,17 @@ public class Main extends JavaPlugin implements Listener {
 
     @Override
     public void onLoad() {
+        inst = this;
+        disable = false;
+
+        TLib.injectPluginManager();
+
+        // 载入配置
+        saveDefaultConfig();
+
+        // 加载依赖
+        TLib.init();
+
         // 载入目录
         setupDataFolder();
         // 注册配置