public static int scoreMethods(
final MetaClass[] arguments, final MetaParameter[] parmTypes, final boolean isVarArgs) {
int score = 0;
for (int i = 0; i != arguments.length; i++) {
final MetaClass actualParamType;
if (isVarArgs && !arguments[arguments.length - 1].isArray() && i >= parmTypes.length - 1)
actualParamType = parmTypes[parmTypes.length - 1].getType().getComponentType();
else actualParamType = parmTypes[i].getType();
if (arguments[i] == null) {
if (!actualParamType.isPrimitive()) {
score += 6;
} else {
score = 0;
break;
}
} else if (actualParamType.equals(arguments[i])) {
score += 7;
} else if (actualParamType.isPrimitive() && actualParamType.asBoxed().equals(arguments[i])) {
score += 6;
} else if (arguments[i].isPrimitive() && arguments[i].asUnboxed().equals(actualParamType)) {
score += 6;
} else if (actualParamType.isAssignableFrom(arguments[i])) {
score += 5;
} else if (isNumericallyCoercible(arguments[i], actualParamType)) {
score += 4;
} else if (actualParamType.asBoxed().isAssignableFrom(arguments[i].asBoxed())
&& !Object_MetaClass.equals(arguments[i])) {
score += 3 + scoreInterface(actualParamType, arguments[i]);
} else if (canConvert(actualParamType, arguments[i])) {
if (actualParamType.isArray() && arguments[i].isArray()) {
final MetaClass outerComponentTypeActual = actualParamType.getOuterComponentType();
final MetaClass outerComponentTypeArg = arguments[i].getOuterComponentType();
if (canConvert(outerComponentTypeActual, outerComponentTypeArg)) {
score += 1;
} else {
continue;
}
} else if (actualParamType.equals(char_MetaClass)
&& arguments[i].equals(String_MetaClass)) {
score += 1;
}
score += 1;
} else if (actualParamType.equals(Object_MetaClass)
|| arguments[i].equals(NullType_MetaClass)) {
score += 1;
} else {
score = 0;
break;
}
}
return score;
}
public static void assertAssignableTypes(
final Context context, final MetaClass from, final MetaClass to) {
if (!to.asBoxed().isAssignableFrom(from.asBoxed())) {
if (to.isArray()
&& from.isArray()
&& GenUtil.getArrayDimensions(to) == GenUtil.getArrayDimensions(from)
&& to.getOuterComponentType().isAssignableFrom(from.getOuterComponentType())) {
return;
}
if (!context.isPermissiveMode()) {
if (classAliases.contains(from.getFullyQualifiedName())
&& classAliases.contains(to.getFullyQualifiedName())) {
// handle convertibility between MetaClass API and java Class reference.
return;
}
throw new InvalidTypeException(
to.getFullyQualifiedName() + " is not assignable from " + from.getFullyQualifiedName());
}
}
}