ViaVersion/java-compat/java-compat-9/src/main/java/us/myles/ViaVersion/compatibility/jre9/Jre9FieldModifierAccessor.java

25 lines
870 B
Java

package us.myles.ViaVersion.compatibility.jre9;
import us.myles.ViaVersion.compatibility.FieldModifierAccessor;
import java.lang.invoke.MethodHandles;
import java.lang.invoke.VarHandle;
import java.lang.reflect.Field;
import java.util.Objects;
public final class Jre9FieldModifierAccessor implements FieldModifierAccessor {
private final VarHandle modifiersHandle;
public Jre9FieldModifierAccessor() throws ReflectiveOperationException {
final MethodHandles.Lookup lookup = MethodHandles.privateLookupIn(Field.class, MethodHandles.lookup());
this.modifiersHandle = lookup.findVarHandle(Field.class, "modifiers", int.class);
}
@Override
public void setModifiers(final Field field, final int modifiers) {
Objects.requireNonNull(field, "field must not be null");
this.modifiersHandle.set(field, modifiers);
}
}