package scouter.bytebuddy.description.modifier;
import scouter.bytebuddy.jar.asm.Opcodes;
/**
* Describes a type's manifestation, i.e. if a type is final, abstract, an interface or neither.
*/
public enum TypeManifestation implements ModifierContributor.ForType {
/**
* Modifier for a non-final, non-abstract, non-interface, non-enum type. (This is the default modifier.)
*/
PLAIN(EMPTY_MASK),
/**
* Modifier for a final class.
*/
FINAL(Opcodes.ACC_FINAL),
/**
* Modifier for an abstract class.
*/
ABSTRACT(Opcodes.ACC_ABSTRACT),
/**
* Modifier for an interface.
*/
INTERFACE(Opcodes.ACC_INTERFACE | Opcodes.ACC_ABSTRACT),
/**
* Modifier for an annotation.
*/
ANNOTATION(Opcodes.ACC_ANNOTATION | Opcodes.ACC_INTERFACE | Opcodes.ACC_ABSTRACT);
/**
* The mask the modifier contributor.
*/
private final int mask;
/**
* Creates a new type manifestation.
*
* @param mask The modifier mask of this instance.
*/
TypeManifestation(int mask) {
this.mask = mask;
}
@Override
public int getMask() {
return mask;
}
@Override
public int getRange() {
return Opcodes.ACC_FINAL | Opcodes.ACC_ABSTRACT | Opcodes.ACC_INTERFACE | Opcodes.ACC_ANNOTATION;
}
@Override
public boolean isDefault() {
return this == PLAIN;
}
/**
* Returns {@code true} if a type represents a {@code final} type.
*
* @return {@code true} if a type represents a {@code final} type.
*/
public boolean isFinal() {
return (mask & Opcodes.ACC_FINAL) != 0;
}
/**
* Returns {@code true} if a type represents an {@code abstract} type but not an interface type.
*
* @return {@code true} if a type represents an {@code abstract} type but not an interface type.
*/
public boolean isAbstract() {
return (mask & Opcodes.ACC_ABSTRACT) != 0 && !isInterface();
}
/**
* Returns {@code true} if a type represents an interface type.
*
* @return {@code true} if a type represents an interface type.
*/
public boolean isInterface() {
return (mask & Opcodes.ACC_INTERFACE) != 0;
}
/**
* Returns {@code true} if a type represents an annotation type.
*
* @return {@code true} if a type represents an annotation type.
*/
public boolean isAnnotation() {
return (mask & Opcodes.ACC_ANNOTATION) != 0;
}
}