com.fitbur.bytebuddy.description.modifier.MethodManifestation Maven / Gradle / Ivy
package com.fitbur.bytebuddy.description.modifier;
import com.fitbur.bytebuddy.jar.asm.Opcodes;
/**
* Describes the manifestation of a method, i.e. if a method is final, abstract or native.
* Note that an {@code abstract} method must never be static and can only be declared for an
* {@code abstract} type.
*/
public enum MethodManifestation implements ModifierContributor.ForMethod {
/**
* Modifier for a non-native, non-abstract, non-final method. (This is the default modifier.)
*/
PLAIN(EMPTY_MASK),
/**
* Modifier for a native method.
*/
NATIVE(Opcodes.ACC_NATIVE),
/**
* Modifier for an abstract method.
*/
ABSTRACT(Opcodes.ACC_ABSTRACT),
/**
* Modifier for a final method.
*/
FINAL(Opcodes.ACC_FINAL),
/**
* Modifier for a native and final method.
*/
FINAL_NATIVE(Opcodes.ACC_FINAL | Opcodes.ACC_NATIVE),
/**
* Modifier for a bridge method.
*/
BRIDGE(Opcodes.ACC_BRIDGE);
/**
* A mask for checking if a method implementation is not implemented in byte code.
*/
public static final int ABSTRACTION_MASK = Opcodes.ACC_ABSTRACT | Opcodes.ACC_NATIVE;
/**
* The mask the modifier contributor.
*/
private final int mask;
/**
* Creates a new method manifestation.
*
* @param mask The modifier mask of this instance.
*/
MethodManifestation(int mask) {
this.mask = mask;
}
@Override
public int getMask() {
return mask;
}
@Override
public int getRange() {
return Opcodes.ACC_NATIVE | Opcodes.ACC_ABSTRACT | Opcodes.ACC_FINAL | Opcodes.ACC_BRIDGE;
}
@Override
public boolean isDefault() {
return this == PLAIN;
}
/**
* Returns {@code true} if this instance represents a {@code native} method.
*
* @return {@code true} if this instance represents a {@code native} method.
*/
public boolean isNative() {
return (mask & Opcodes.ACC_NATIVE) != 0;
}
/**
* Returns {@code true} if this instance represents a {@code abstract} method.
*
* @return {@code true} if this instance represents a {@code abstract} method.
*/
public boolean isAbstract() {
return (mask & Opcodes.ACC_ABSTRACT) != 0;
}
/**
* Returns {@code true} if this instance represents a {@code final} method.
*
* @return {@code true} if this instance represents a {@code final} method.
*/
public boolean isFinal() {
return (mask & Opcodes.ACC_FINAL) != 0;
}
/**
* Returns {@code true} if this instance represents a bridge method.
*
* @return {@code true} if this instance represents a bridge method.
*/
public boolean isBridge() {
return (mask & Opcodes.ACC_BRIDGE) != 0;
}
@Override
public String toString() {
return "MethodManifestation." + name();
}
}