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mirror of https://github.com/CarmJos/EasyConfiguration.git synced 2026-06-04 18:48:20 +08:00

放弃Unsafe包操作

This commit is contained in:
2022-04-19 23:20:40 +08:00
parent 80747ac922
commit 132ca81635
8 changed files with 38 additions and 32 deletions
+8 -16
View File
@@ -1,30 +1,22 @@
package config;
import config.offset.FieldOffset;
import config.offset.OffsetUtil;
import config.source.ComplexConfiguration;
import org.junit.Test;
import java.util.List;
public class OffsetTest {
@Test
public void test() {
List<FieldOffset> fieldOffsets = OffsetUtil.getClassMemberOffset(ComplexConfiguration.class);
output(fieldOffsets);
}
// @Test
// public void test() {
//
// output(OffsetUtil.getClassMemberOffset(ComplexConfiguration.class));
// output(OffsetUtil.getClassMemberOffset(ComplexConfiguration.Sub.class));
//
// }
protected static void output(List<FieldOffset> fieldOffsets) {
for (FieldOffset fieldOffset : fieldOffsets) {
System.out.println(fieldOffset.getOffsetValue() + " -> " + fieldOffset.getField().getName());
if (!fieldOffset.getSubFieldOffsetList().isEmpty()) {
output(fieldOffset.getSubFieldOffsetList());
}
System.out.println(fieldOffset.getOffsetValue() + " -> " + fieldOffset);
}
}
@@ -36,7 +36,7 @@ public class SomeModel extends AbstractModel implements ConfigurationSerializabl
@TestOnly
public static SomeModel deserialize(Map<String, ?> args) {
return new SomeModel((String) args.get("name"), (int) args.get("num"));
return new SomeModel((String) args.get("name"), (Integer) args.get("num"));
}
@@ -59,4 +59,6 @@ public class FieldOffset implements Comparable<FieldOffset> {
public int compareTo(@NotNull FieldOffset that) {
return this.offsetValue.compareTo(that.offsetValue);
}
}
@@ -1,11 +1,10 @@
package config.offset;
import jdk.internal.misc.Unsafe;
import sun.misc.Unsafe;
import java.lang.reflect.Field;
import java.lang.reflect.Modifier;
import java.security.AccessController;
import java.security.PrivilegedExceptionAction;
import java.util.Collections;
import java.util.LinkedList;
import java.util.List;
@@ -18,14 +17,23 @@ public class OffsetUtil {
static {
try {
unsafe = AccessController.doPrivileged((PrivilegedExceptionAction<Unsafe>) () -> {
Field theUnsafe = Unsafe.class.getDeclaredField("theUnsafe");
theUnsafe.setAccessible(true);
return (Unsafe) theUnsafe.get(null);
});
} catch (Throwable e) {
System.err.println("Unable to load unsafe");
// 获取 Unsafe 内部的私有的实例化单例对象
Field field = Unsafe.class.getDeclaredField("theUnsafe");
// 无视权限
field.setAccessible(true);
unsafe = (Unsafe) field.get(null);
} catch (NoSuchFieldException | IllegalAccessException e) {
e.printStackTrace();
}
// try {
// unsafe = AccessController.doPrivileged((PrivilegedExceptionAction<Unsafe>) () -> {
// Field theUnsafe = Unsafe.class.getDeclaredField("theUnsafe");
// theUnsafe.setAccessible(true);
// return (Unsafe) theUnsafe.get(null);
// });
// } catch (Throwable e) {
// System.err.println("Unable to load unsafe");
// }
}
public static List<FieldOffset> getClassMemberOffset(Class<?> beanClass) {