static Method getFromNativeMethod(FromNativeType fromNativeType, AsmClassLoader classLoader) {
FromNativeConverter fromNativeConverter = fromNativeType.getFromNativeConverter();
if (fromNativeConverter == null) {
return null;
}
try {
Class<? extends FromNativeConverter> fromNativeConverterClass =
fromNativeConverter.getClass();
if (Modifier.isPublic(fromNativeConverterClass.getModifiers())) {
for (Method method : fromNativeConverterClass.getMethods()) {
if (!method.getName().equals("fromNative")) continue;
Class[] methodParameterTypes = method.getParameterTypes();
Class javaType =
fromNativeType.getDeclaredType().isPrimitive()
? boxedType(fromNativeType.getDeclaredType())
: fromNativeType.getDeclaredType();
if (javaType.isAssignableFrom(method.getReturnType())
&& methodParameterTypes.length == 2
&& methodParameterTypes[0].isAssignableFrom(fromNativeConverter.nativeType())
&& methodParameterTypes[1] == FromNativeContext.class
&& methodIsAccessible(method)
&& classIsVisible(classLoader, method.getDeclaringClass())) {
return method;
}
}
}
Method method =
fromNativeConverterClass.getMethod("fromNative", Object.class, FromNativeContext.class);
return methodIsAccessible(method) && classIsVisible(classLoader, method.getDeclaringClass())
? method
: FromNativeConverter.class.getDeclaredMethod(
"fromNative", Object.class, FromNativeContext.class);
} catch (NoSuchMethodException nsme) {
try {
return FromNativeConverter.class.getDeclaredMethod(
"fromNative", Object.class, FromNativeContext.class);
} catch (NoSuchMethodException nsme2) {
throw new RuntimeException(
"internal error. " + FromNativeConverter.class + " has no fromNative() method");
}
}
}
static Method getToNativeMethod(ToNativeType toNativeType, AsmClassLoader classLoader) {
ToNativeConverter toNativeConverter = toNativeType.getToNativeConverter();
if (toNativeConverter == null) {
return null;
}
try {
Class<? extends ToNativeConverter> toNativeConverterClass = toNativeConverter.getClass();
if (Modifier.isPublic(toNativeConverterClass.getModifiers())) {
for (Method method : toNativeConverterClass.getMethods()) {
if (!method.getName().equals("toNative")) continue;
Class[] methodParameterTypes = method.getParameterTypes();
if (toNativeConverter.nativeType().isAssignableFrom(method.getReturnType())
&& methodParameterTypes.length == 2
&& methodParameterTypes[0].isAssignableFrom(toNativeType.getDeclaredType())
&& methodParameterTypes[1] == ToNativeContext.class
&& methodIsAccessible(method)
&& classIsVisible(classLoader, method.getDeclaringClass())) {
return method;
}
}
}
Method method =
toNativeConverterClass.getMethod("toNative", Object.class, ToNativeContext.class);
return methodIsAccessible(method) && classIsVisible(classLoader, method.getDeclaringClass())
? method
: ToNativeConverter.class.getDeclaredMethod(
"toNative", Object.class, ToNativeContext.class);
} catch (NoSuchMethodException nsme) {
try {
return ToNativeConverter.class.getDeclaredMethod(
"toNative", Object.class, ToNativeContext.class);
} catch (NoSuchMethodException nsme2) {
throw new RuntimeException(
"internal error. " + ToNativeConverter.class + " has no toNative() method");
}
}
}
