com.blazebit.reflection.MethodException Maven / Gradle / Ivy
/*
* Copyright 2011 Blazebit
*/
package com.blazebit.reflection;
import java.lang.reflect.Constructor;
import java.lang.reflect.Method;
import java.lang.reflect.Type;
import java.lang.reflect.TypeVariable;
/**
* @author Christian Beikov
*/
public class MethodException {
private Constructor constructor;
private Method method;
private int index;
MethodException(Method method, int index) {
if (method == null) {
throw new NullPointerException("Method must not be null");
}
this.method = method;
this.index = index;
}
MethodException(Constructor constructor, int index) {
if (constructor == null) {
throw new NullPointerException("Method must not be null");
}
this.constructor = constructor;
this.index = index;
}
public Constructor getConstructor() {
return constructor;
}
public int getIndex() {
return index;
}
public Class getType() {
return method != null ? method.getExceptionTypes()[index] : constructor
.getExceptionTypes()[index];
}
public Class getResolvedType(Class concreteClass) {
Type t = method != null ? method.getGenericExceptionTypes()[index]
: constructor.getGenericExceptionTypes()[index];
if (t instanceof TypeVariable) {
return ReflectionUtils.resolveTypeVariable(concreteClass,
(TypeVariable) t);
}
return getType();
}
public Class[] getResolvedTypeParameters(Class concreteClass) {
Type t = method != null ? method.getGenericExceptionTypes()[index]
: constructor.getGenericExceptionTypes()[index];
return ReflectionUtils.resolveTypeArguments(concreteClass, t);
}
public Method getMethod() {
return method;
}
}