public void uploadApplication(
String appName, ApplicationArchive archive, UploadStatusCallback callback)
throws IOException {
Assert.notNull(appName, "AppName must not be null");
Assert.notNull(archive, "Archive must not be null");
if (callback == null) {
callback = UploadStatusCallback.NONE;
}
CloudResources knownRemoteResources = getKnownRemoteResources(archive);
callback.onCheckResources();
callback.onMatchedFileNames(knownRemoteResources.getFilenames());
UploadApplicationPayload payload = new UploadApplicationPayload(archive, knownRemoteResources);
callback.onProcessMatchedResources(payload.getTotalUncompressedSize());
HttpEntity<?> entity = generatePartialResourceRequest(payload, knownRemoteResources);
String url = getUrl("apps/{appName}/application");
try {
getRestTemplate().put(url, entity, appName);
} catch (HttpServerErrorException hsee) {
if (HttpStatus.INTERNAL_SERVER_ERROR.equals(hsee.getStatusCode())) {
// this is for supporting legacy Micro Cloud Foundry 1.1 and older
uploadAppUsingLegacyApi(url, entity, appName);
} else {
throw hsee;
}
}
}
private HttpEntity<MultiValueMap<String, ?>> generatePartialResourceRequest(
UploadApplicationPayload application, CloudResources knownRemoteResources)
throws IOException {
MultiValueMap<String, Object> body = new LinkedMultiValueMap<String, Object>(2);
if (application.getNumEntries() > 0) {
// If the entire app contents are cached, send nothing
body.add("application", application);
}
ObjectMapper mapper = new ObjectMapper();
String knownRemoteResourcesPayload = mapper.writeValueAsString(knownRemoteResources);
body.add("resources", knownRemoteResourcesPayload);
HttpHeaders headers = new HttpHeaders();
headers.setContentType(MediaType.MULTIPART_FORM_DATA);
return new HttpEntity<MultiValueMap<String, ?>>(body, headers);
}