/**
* Checks if the provided resource meets the requirements to be created to CKAN.
*
* @throws Throwable if requirements aren't met
*/
private static void checkResource(CkanResourceMinimized resource) {
checkNotNull(resource);
checkNotNull(resource.getFormat(), "Ckan resource format must not be null!");
checkNotEmpty(resource.getName(), "Ckan resource name can't be empty!");
checkNotNull(resource.getDescription(), "Ckan resource description must not be null!");
// todo do we need to check mimetype?? checkNotNull(resource.getMimetype());
checkNotNull(resource.getPackageId(), "Ckan resource parent dataset must not be null!");
checkNotNull(resource.getUrl(), "Ckan resource url must not be null!");
}
/**
* Creates ckan resource on the server.
*
* @param resource ckan resource object with the minimal set of parameters required. See {@link
* CkanResource#CkanResource(java.lang.String, java.lang.String, java.lang.String,
* java.lang.String, java.lang.String, java.lang.String)}
* @return the newly created resource
* @throws JackanException
*/
public synchronized CkanResource createResource(CkanResourceMinimized resource) {
checkResource(resource);
if (ckanToken == null) {
throw new JackanException(
"Tried to create resource" + resource.getName() + ", but ckan token was not set!");
}
ObjectMapper objMapper = CkanClient.getObjectMapper();
String json = null;
try {
json = objMapper.writeValueAsString(resource);
} catch (IOException e) {
throw new JackanException("Couldn't serialize the provided CkanResource!", e);
}
return postHttp(
ResourceResponse.class,
"/api/3/action/resource_create",
json,
ContentType.APPLICATION_JSON)
.result;
}