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22 changes: 22 additions & 0 deletions
22
src/main/java/com/cyr1en/mcutils/utils/reflection/NegativeComparator.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,22 @@ | ||
| package com.cyr1en.mcutils.utils.reflection; | ||
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| import java.util.Comparator; | ||
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| public class NegativeComparator { | ||
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| public static Comparator<Integer> atEnd(final Comparator<Integer> comparator) { | ||
| return (o1, o2) -> compare(o1, o2, comparator, true); | ||
| } | ||
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| public static Comparator<Integer> atBeginning(final Comparator<Integer> comparator) { | ||
| return (o1, o2) -> compare(o1, o2, comparator, false); | ||
| } | ||
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| private static int compare(Integer o1, Integer o2, final Comparator<Integer> comparator, boolean end) { | ||
| if (o1 < 0) | ||
| return end ? 1 : -1; | ||
| if (o2 < 0) | ||
| return end ? -1 : 1; | ||
| return comparator.compare(o1, o2); | ||
| } | ||
| } |
28 changes: 28 additions & 0 deletions
28
src/main/java/com/cyr1en/mcutils/utils/reflection/annotation/Condition.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,28 @@ | ||
| package com.cyr1en.mcutils.utils.reflection.annotation; | ||
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| import org.bukkit.Bukkit; | ||
| import org.bukkit.Server; | ||
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| import java.util.function.Predicate; | ||
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| public enum Condition { | ||
| VERSION((server -> { | ||
| String dirName = server.getClass().getPackage().getName(); | ||
| String versionString = dirName.substring(dirName.indexOf(46) + 1) | ||
| .replaceAll("(_)([A-Z])\\w*", "").replaceAll("v", "") | ||
| .replaceAll("_", "."); | ||
| double parsed = Double.valueOf(versionString); | ||
| return parsed >= 1.12; | ||
| })), | ||
| IGNORE(server -> false); | ||
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| Predicate<? super Server> predicate; | ||
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| Condition(Predicate<? super Server> predicate) { | ||
| this.predicate = predicate; | ||
| } | ||
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| public boolean check() { | ||
| return predicate.test(Bukkit.getServer()); | ||
| } | ||
| } |
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123 changes: 67 additions & 56 deletions
123
src/main/java/com/cyr1en/mcutils/utils/reflection/annotation/process/Initializer.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,83 +1,94 @@ | ||
| package com.cyr1en.mcutils.utils.reflection.annotation.process; | ||
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| import com.cyr1en.mcutils.logger.Logger; | ||
| import com.cyr1en.mcutils.utils.reflection.NegativeComparator; | ||
| import com.cyr1en.mcutils.utils.reflection.Initializable; | ||
| import com.cyr1en.mcutils.utils.reflection.annotation.Ignore; | ||
| import com.cyr1en.mcutils.utils.reflection.annotation.Initialize; | ||
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| import java.lang.reflect.Field; | ||
| import java.lang.reflect.InvocationTargetException; | ||
| import java.lang.reflect.Method; | ||
| import java.util.Arrays; | ||
| import java.util.HashMap; | ||
| import java.util.TreeMap; | ||
| import java.util.concurrent.atomic.AtomicInteger; | ||
| import java.util.concurrent.atomic.AtomicReference; | ||
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| public class Initializer { | ||
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| private static boolean interrupted = false; | ||
| private static boolean finished = false; | ||
| private static boolean interrupted = false; | ||
| private static boolean finished = false; | ||
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| public static void initAll(Initializable clazz) { | ||
| initFields(clazz); | ||
| initMethods(clazz); | ||
| finished = true; | ||
| } | ||
| public static void initAll(Initializable clazz) { | ||
| initFields(clazz); | ||
| initMethods(clazz); | ||
| finished = true; | ||
| } | ||
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| public static void interrupt() { | ||
| interrupted = true; | ||
| } | ||
| public static void interrupt() { | ||
| interrupted = true; | ||
| } | ||
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| public static boolean finished() { | ||
| return finished; | ||
| } | ||
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| public static boolean finished() { | ||
| return finished; | ||
| public static void initFields(Initializable clazz) { | ||
| try { | ||
| Field[] fields = clazz.getClass().getDeclaredFields(); | ||
| for (Field field : fields) { | ||
| if (field.isAnnotationPresent(Ignore.class)) | ||
| continue; | ||
| field.setAccessible(true); | ||
| Class type = field.getType(); | ||
| Object v = field.get(clazz); | ||
| if (!interrupted && v == null) { | ||
| if (type.equals(boolean.class)) | ||
| field.set(clazz, false); | ||
| else if (type.isPrimitive()) | ||
| field.set(clazz, 0); | ||
| else if (!type.isPrimitive()) | ||
| field.set(clazz, null); | ||
| } | ||
| } | ||
| } catch (IllegalAccessException e) { | ||
| e.printStackTrace(); | ||
| } | ||
| } | ||
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| public static void initFields(Initializable clazz) { | ||
| public static void initMethods(Initializable clazz) { | ||
| TreeMap<Integer, Method> methods = prioritizedMethods(clazz.getClass().getDeclaredMethods()); | ||
| methods.forEach((priority, method) -> { | ||
| if (!interrupted) | ||
| try { | ||
| Field[] fields = clazz.getClass().getDeclaredFields(); | ||
| for (Field field : fields) { | ||
| if(field.isAnnotationPresent(Ignore.class)) | ||
| continue; | ||
| field.setAccessible(true); | ||
| Class type = field.getType(); | ||
| Object v = field.get(clazz); | ||
| if (!interrupted && v == null) { | ||
| if (type.equals(boolean.class)) | ||
| field.set(clazz, false); | ||
| else if (type.isPrimitive()) | ||
| field.set(clazz, 0); | ||
| else if (!type.isPrimitive()) | ||
| field.set(clazz, null); | ||
| } | ||
| } | ||
| } catch (IllegalAccessException e) { | ||
| e.printStackTrace(); | ||
| method.setAccessible(true); | ||
| Logger.debug("Invoking " + method.getName() + "..."); | ||
| method.invoke(clazz); | ||
| } catch (IllegalAccessException | InvocationTargetException e) { | ||
| Logger.debug("Failed to invoke " + method.getName()); | ||
| e.printStackTrace(); | ||
| } | ||
| } | ||
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| public static void initMethods(Initializable clazz) { | ||
| TreeMap<Integer, Method> methods = prioritizedMethods(clazz.getClass().getDeclaredMethods()); | ||
| methods.forEach((priority, method) -> { | ||
| if (!interrupted) | ||
| try { | ||
| method.setAccessible(true); | ||
| Logger.debug("Invoking " + method.getName() + "..."); | ||
| method.invoke(clazz); | ||
| } catch (IllegalAccessException | InvocationTargetException e) { | ||
| Logger.debug("Failed to invoke " + method.getName()); | ||
| e.printStackTrace(); | ||
| } | ||
| }); | ||
| } | ||
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| private static TreeMap<Integer, Method> prioritizedMethods(Method[] methods) { | ||
| AtomicReference<HashMap<Integer, Method>> atomicMap = new AtomicReference<>(new HashMap<>()); | ||
| AtomicInteger atomicPriority = new AtomicInteger(0); | ||
| Arrays.asList(methods).forEach(method -> { | ||
| if (method.isAnnotationPresent(Initialize.class)) { | ||
| Initialize meta = method.getAnnotation(Initialize.class); | ||
| //if (!meta.conditional().check()) | ||
| if (meta.priority() < 0) atomicMap.get().put(atomicPriority.addAndGet(-1), method); | ||
| else atomicMap.get().put(meta.priority(), method); | ||
| } | ||
| }); | ||
| TreeMap<Integer, Method> sorted = new TreeMap<>(NegativeComparator.atEnd(Integer::compare)); | ||
| sorted.putAll(atomicMap.get()); | ||
| return sorted; | ||
| } | ||
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| }); | ||
| } | ||
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| private static TreeMap<Integer, Method> prioritizedMethods(Method[] methods) { | ||
| HashMap<Integer, Method> taggedMethods = new HashMap<>(); | ||
| for (Method method : methods) { | ||
| if (method.isAnnotationPresent(Initialize.class)) { | ||
| Initialize meta = method.getAnnotation(Initialize.class); | ||
| taggedMethods.put(meta.priority(), method); | ||
| } | ||
| } | ||
| return new TreeMap<>(taggedMethods); | ||
| } | ||
| } |