SteamWar/FastAsyncWorldEdit
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Merge pull request #291 from KennyTV/1.15

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Fix Java 12+ compatibility
Dieser Commit ist enthalten in:
Jesse Boyd 2019-12-23 16:37:11 +11:00 committet von GitHub
Commit cb6c346323
Es konnte kein GPG-Schlüssel zu dieser Signatur gefunden werden
GPG-Schlüssel-ID: 4AEE18F83AFDEB23
7 geänderte Dateien mit 49 neuen und 81 gelöschten Zeilen
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7
worldedit-bukkit/src/main/java/com/boydti/fawe/bukkit/adapter/mc1_13/BukkitAdapter_1_13.java
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@ -7,6 +7,7 @@ import com.boydti.fawe.bukkit.adapter.NMSAdapter;
import com.boydti.fawe.config.Settings;
import com.boydti.fawe.object.collection.BitArray4096;
import com.boydti.fawe.util.MathMan;
import com.boydti.fawe.util.ReflectionUtils;
import com.boydti.fawe.util.TaskManager;
import com.sk89q.worldedit.world.block.BlockState;
import com.sk89q.worldedit.world.block.BlockTypesCache;
@ -83,11 +84,7 @@ public final class BukkitAdapter_1_13 extends NMSAdapter {
} catch (NoSuchFieldException paper) {
tmp = DataPaletteBlock.class.getDeclaredField("j");
}
Field modifiersField = Field.class.getDeclaredField("modifiers");
modifiersField.setAccessible(true);
int modifiers = modifiersField.getInt(tmp);
int newModifiers = modifiers & (~Modifier.FINAL);
if (newModifiers != modifiers) modifiersField.setInt(tmp, newModifiers);
ReflectionUtils.setAccessibleNonFinal(tmp);
fieldLock = tmp;
fieldLock.setAccessible(true);
}

7
worldedit-bukkit/src/main/java/com/boydti/fawe/bukkit/adapter/mc1_14/BukkitAdapter_1_14.java
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@ -7,6 +7,7 @@ import com.boydti.fawe.bukkit.adapter.DelegateLock;
import com.boydti.fawe.config.Settings;
import com.boydti.fawe.object.collection.BitArray4096;
import com.boydti.fawe.util.MathMan;
import com.boydti.fawe.util.ReflectionUtils;
import com.boydti.fawe.util.TaskManager;
import com.sk89q.worldedit.world.block.BlockState;
import com.sk89q.worldedit.world.block.BlockTypesCache;
@ -83,11 +84,7 @@ public final class BukkitAdapter_1_14 extends NMSAdapter {
} catch (NoSuchFieldException paper) {
tmp = DataPaletteBlock.class.getDeclaredField("j");
}
Field modifiersField = Field.class.getDeclaredField("modifiers");
modifiersField.setAccessible(true);
int modifiers = modifiersField.getInt(tmp);
int newModifiers = modifiers & (~Modifier.FINAL);
if (newModifiers != modifiers) modifiersField.setInt(tmp, newModifiers);
ReflectionUtils.setAccessibleNonFinal(tmp);
fieldLock = tmp;
fieldLock.setAccessible(true);
}

8
worldedit-bukkit/src/main/java/com/boydti/fawe/bukkit/adapter/mc1_15/BukkitAdapter_1_15.java
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@ -7,6 +7,7 @@ import com.boydti.fawe.bukkit.adapter.NMSAdapter;
import com.boydti.fawe.config.Settings;
import com.boydti.fawe.object.collection.BitArray4096;
import com.boydti.fawe.util.MathMan;
import com.boydti.fawe.util.ReflectionUtils;
import com.boydti.fawe.util.TaskManager;
import com.sk89q.worldedit.world.block.BlockState;
import com.sk89q.worldedit.world.block.BlockTypesCache;
@ -18,7 +19,6 @@ import org.bukkit.craftbukkit.v1_15_R1.CraftWorld;
import sun.misc.Unsafe;
import java.lang.reflect.Field;
import java.lang.reflect.Modifier;
import java.util.Arrays;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.locks.Lock;
@ -66,11 +66,7 @@ public final class BukkitAdapter_1_15 extends NMSAdapter {
fieldDirtyBits.setAccessible(true);
Field tmp = DataPaletteBlock.class.getDeclaredField("j");
Field modifiersField = Field.class.getDeclaredField("modifiers");
modifiersField.setAccessible(true);
int modifiers = modifiersField.getInt(tmp);
int newModifiers = modifiers & (~Modifier.FINAL);
if (newModifiers != modifiers) modifiersField.setInt(tmp, newModifiers);
ReflectionUtils.setAccessibleNonFinal(tmp);
fieldLock = tmp;
fieldLock.setAccessible(true);

2
worldedit-core/src/main/java/com/boydti/fawe/object/collection/LocalBlockVector2DSet.java
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@ -141,7 +141,7 @@ public class LocalBlockVector2DSet implements Set<BlockVector2> {
@Override
public Object[] toArray() {
return toArray(null);
return toArray((Object[]) null);
}
@Override

2
worldedit-core/src/main/java/com/boydti/fawe/object/collection/LocalBlockVectorSet.java
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@ -160,7 +160,7 @@ public class LocalBlockVectorSet implements Set<BlockVector3> {
@NotNull @Override
public Object[] toArray() {
return toArray(null);
return toArray((Object[]) null);
}
@NotNull @Override

45
worldedit-core/src/main/java/com/boydti/fawe/util/ReflectionUtils.java
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@ -78,7 +78,7 @@ public class ReflectionUtils {
}
public static Object makeEnum(Class<?> enumClass, String value, int ordinal,
Class<?>[] additionalTypes, Object[] additionalValues) throws Exception {
Class<?>[] additionalTypes, Object[] additionalValues) throws Exception {
Object[] parms = new Object[additionalValues.length + 2];
parms[0] = value;
parms[1] = ordinal;
@ -96,9 +96,8 @@ public class ReflectionUtils {
return ReflectionFactory.getReflectionFactory().newConstructorAccessor(enumClass.getDeclaredConstructor(parameterTypes));
}
public static void setFailsafeFieldValue(Field field, Object target, Object value)
throws NoSuchFieldException, IllegalAccessException {
public static void setAccessibleNonFinal(Field field)
throws NoSuchFieldException, IllegalAccessException, NoSuchMethodException, InvocationTargetException {
// let's make the field accessible
field.setAccessible(true);
@ -106,15 +105,35 @@ public class ReflectionUtils {
// not be final anymore, thus tricking reflection into
// letting us modify the static final field
if (Modifier.isFinal(field.getModifiers())) {
Field modifiersField = Field.class.getDeclaredField("modifiers");
modifiersField.setAccessible(true);
int modifiers = modifiersField.getInt(field);
try {
Field modifiersField = Field.class.getDeclaredField("modifiers");
modifiersField.setAccessible(true);
int modifiers = modifiersField.getInt(field);
// blank out the final bit in the modifiers int
modifiers &= ~Modifier.FINAL;
modifiersField.setInt(field, modifiers);
// blank out the final bit in the modifiers int
modifiers &= ~Modifier.FINAL;
modifiersField.setInt(field, modifiers);
} catch (NoSuchFieldException e) {
// Java 12+ compatibility - search fields with hidden method for modifiers
// same concept as above, just with a more hacky way of getting to the modifiers
Method getDeclaredFields0 = Class.class.getDeclaredMethod("getDeclaredFields0", boolean.class);
getDeclaredFields0.setAccessible(true);
Field[] fields = (Field[]) getDeclaredFields0.invoke(Field.class, false);
for (Field classField : fields) {
if ("modifiers".equals(classField.getName())) {
classField.setAccessible(true);
classField.set(field, field.getModifiers() & ~Modifier.FINAL);
break;
}
}
}
}
}
public static void setFailsafeFieldValue(Field field, Object target, Object value)
throws NoSuchFieldException, IllegalAccessException, NoSuchMethodException, InvocationTargetException {
setAccessibleNonFinal(field);
try {
FieldAccessor fa = ReflectionFactory.getReflectionFactory().newFieldAccessor(field, false);
fa.set(target, value);
@ -124,7 +143,7 @@ public class ReflectionUtils {
}
private static void blankField(Class<?> enumClass, String fieldName)
throws NoSuchFieldException, IllegalAccessException {
throws NoSuchFieldException, IllegalAccessException, NoSuchMethodException, InvocationTargetException {
for (Field field : Class.class.getDeclaredFields()) {
if (field.getName().contains(fieldName)) {
AccessibleObject.setAccessible(new Field[]{field}, true);
@ -134,8 +153,8 @@ public class ReflectionUtils {
}
}
private static void cleanEnumCache(Class<?> enumClass)
throws NoSuchFieldException, IllegalAccessException {
static void cleanEnumCache(Class<?> enumClass)
throws NoSuchFieldException, IllegalAccessException, NoSuchMethodException, InvocationTargetException {
blankField(enumClass, "enumConstantDirectory"); // Sun (Oracle?!?) JDK 1.5/6
blankField(enumClass, "enumConstants"); // IBM JDK
}

59
worldedit-core/src/main/java/com/boydti/fawe/util/ReflectionUtils9.java
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@ -2,7 +2,10 @@ package com.boydti.fawe.util;
import sun.misc.Unsafe;
import java.lang.reflect.*;
import java.lang.reflect.AccessibleObject;
import java.lang.reflect.Array;
import java.lang.reflect.Constructor;
import java.lang.reflect.Field;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
@ -41,15 +44,15 @@ public class ReflectionUtils9 {
// 5. Set new values field
try {
setFailsafeFieldValue(valuesField, null,
ReflectionUtils.setFailsafeFieldValue(valuesField, null,
values.toArray((T[]) Array.newInstance(enumType, 0)));
} catch (Throwable e) {
Field ordinalField = Enum.class.getDeclaredField("ordinal");
setFailsafeFieldValue(ordinalField, newValue, 0);
ReflectionUtils.setFailsafeFieldValue(ordinalField, newValue, 0);
}
// 6. Clean enum cache
cleanEnumCache(enumType);
ReflectionUtils.cleanEnumCache(enumType);
return newValue;
} catch (Exception e) {
e.printStackTrace();
@ -64,55 +67,11 @@ public class ReflectionUtils9 {
Object instance = unsafe.allocateInstance(enumClass);
Field ordinalField = Enum.class.getDeclaredField("ordinal");
setFailsafeFieldValue(ordinalField, instance, 0);
ReflectionUtils.setFailsafeFieldValue(ordinalField, instance, 0);
Field nameField = Enum.class.getDeclaredField("name");
setFailsafeFieldValue(nameField, instance, value);
ReflectionUtils.setFailsafeFieldValue(nameField, instance, value);
return instance;
}
public static void setFailsafeFieldValue(Field field, Object target, Object value)
throws NoSuchFieldException, IllegalAccessException {
// let's make the field accessible
field.setAccessible(true);
// next we change the modifier in the Field instance to
// not be final anymore, thus tricking reflection into
// letting us modify the static final field
if (Modifier.isFinal(field.getModifiers())) {
Field modifiersField = Field.class.getDeclaredField("modifiers");
modifiersField.setAccessible(true);
int modifiers = modifiersField.getInt(field);
// blank out the final bit in the modifiers int
modifiers &= ~Modifier.FINAL;
modifiersField.setInt(field, modifiers);
}
try {
if (target == null) field.set(null, value);
else field.set(target, value);
} catch (NoSuchMethodError error) {
field.set(target, value);
}
}
private static void blankField(Class<?> enumClass, String fieldName)
throws NoSuchFieldException, IllegalAccessException {
for (Field field : Class.class.getDeclaredFields()) {
if (field.getName().contains(fieldName)) {
AccessibleObject.setAccessible(new Field[]{field}, true);
setFailsafeFieldValue(field, enumClass, null);
break;
}
}
}
private static void cleanEnumCache(Class<?> enumClass)
throws NoSuchFieldException, IllegalAccessException {
blankField(enumClass, "enumConstantDirectory"); // Sun (Oracle?!?) JDK 1.5/6
blankField(enumClass, "enumConstants"); // IBM JDK
}
}