@SuppressWarnings("unchecked")
public <T> void register(TypeHandler<T> typeHandler) {
boolean mappedTypeFound = false;
MappedTypes mappedTypes = typeHandler.getClass().getAnnotation(MappedTypes.class);
if (mappedTypes != null) {
for (Class<?> handledType : mappedTypes.value()) {
register(handledType, typeHandler);
mappedTypeFound = true;
}
}
// @since 3.1.0 - try to auto-discover the mapped type
if (!mappedTypeFound && typeHandler instanceof TypeReference) {
try {
TypeReference<T> typeReference = (TypeReference<T>) typeHandler;
register(typeReference.getRawType(), typeHandler);
mappedTypeFound = true;
} catch (Throwable t) {
// maybe users define the TypeReference with a different type and are not assignable, so
// just ignore it
}
}
if (!mappedTypeFound) {
register((Class<T>) null, typeHandler);
}
}
private <T> void register(Type javaType, TypeHandler<? extends T> typeHandler) {
MappedJdbcTypes mappedJdbcTypes = typeHandler.getClass().getAnnotation(MappedJdbcTypes.class);
if (mappedJdbcTypes != null) {
for (JdbcType handledJdbcType : mappedJdbcTypes.value()) {
register(javaType, handledJdbcType, typeHandler);
}
} else {
register(javaType, null, typeHandler);
}
}
private void register(Type javaType, JdbcType jdbcType, TypeHandler<?> handler) {
if (javaType != null) {
Map<JdbcType, TypeHandler<?>> map = TYPE_HANDLER_MAP.get(javaType);
if (map == null) {
map = new HashMap<JdbcType, TypeHandler<?>>();
TYPE_HANDLER_MAP.put(javaType, map);
}
map.put(jdbcType, handler);
if (reversePrimitiveMap.containsKey(javaType)) {
register(reversePrimitiveMap.get(javaType), jdbcType, handler);
}
}
ALL_TYPE_HANDLERS_MAP.put(handler.getClass(), handler);
}
