/**
* Orders the job given by its jobid. Pay is per assigment, which is by default 5 units.
*
* @param job as CrowdJob
* @param channels : a vector of channels, in which the job should be made available
* @param units : number of units to order
* @param payPerAssigment : pay in (dollar) cents for each assignments
* @return JsonNode that Crowdflower returns
*/
JsonNode orderJob(CrowdJob job, Vector<String> channels, int units, int payPerAssigment) {
Log LOG = LogFactory.getLog(getClass());
RestTemplate restTemplate = new RestTemplate();
restTemplate.getMessageConverters().add(new MappingJacksonHttpMessageConverter());
restTemplate.getMessageConverters().add(new FormHttpMessageConverter());
MultiValueMap<String, String> argumentMap = new LinkedMultiValueMap<String, String>();
argumentMap.add(debitKey, String.valueOf(units));
for (String channel : channels) {
argumentMap.add(channelKey + "[]", channel);
}
updateVariable(job, jobPaymentKey, String.valueOf(payPerAssigment));
LOG.info(
"Order Job: #"
+ job.getId()
+ " with "
+ units
+ " judgments for "
+ payPerAssigment
+ " cents (dollar) per assigment.");
JsonNode result =
restTemplate.postForObject(orderJobURL, argumentMap, JsonNode.class, job.getId(), apiKey);
return result;
}
/**
* Update the list of allowed countries for this job to Crowdflower (the list is set in the job)
*
* @param job
* @throws HttpServerErrorException
*/
void updateAllowedCountries(CrowdJob job) throws HttpServerErrorException {
RestTemplate restTemplate = new RestTemplate();
restTemplate.getMessageConverters().add(new FormHttpMessageConverter());
if (job.getExcludedCountries().size() > 0) {
restTemplate.put(baseJobURL, job.getExcludedCountriesMap(), job.getId(), apiKey);
}
if (job.getIncludedCountries().size() > 0) {
restTemplate.put(baseJobURL, job.getIncludedCountriesMap(), job.getId(), apiKey);
}
}
/**
* Upload the data vector as JSON to the specified Crowdflower job
*
* @param job
* @param data - Generic vector of data, containing ordinary java classes. They should be
* annotated so that Jackson understands how to map them to JSON.
*/
void uploadData(CrowdJob job, List<?> data) {
Log LOG = LogFactory.getLog(getClass());
// Crowdflower wants a Multi-line JSON, with each line having a new JSON object
// Thus we have to map each (raw) object in data individually to a JSON string
ObjectMapper mapper = new ObjectMapper();
String jsonObjectCollection = "";
StringBuilder jsonStringBuilder = new StringBuilder();
int count = 0;
for (Object obj : data) {
count++;
JsonNode jsonData = mapper.convertValue(obj, JsonNode.class);
jsonStringBuilder.append(jsonData.toString());
jsonStringBuilder.append("\n");
}
jsonObjectCollection = jsonStringBuilder.toString();
RestTemplate restTemplate = new RestTemplate();
restTemplate.getMessageConverters().add(new StringHttpMessageConverter());
HttpHeaders headers = new HttpHeaders();
headers.setContentType(MediaType.APPLICATION_JSON);
HttpEntity<String> request = new HttpEntity<String>(jsonObjectCollection, headers);
String result = "";
if (job == null) {
LOG.info("Upload new data and create new job: " + String.valueOf(count) + " data items");
result = restTemplate.postForObject(uploadDataURL, request, String.class, apiKey);
} else {
LOG.info(
"Uploading new data to job: "
+ job.getId()
+ ": "
+ String.valueOf(count)
+ " data items");
result =
restTemplate.postForObject(
uploadDataWithJobURL, request, String.class, job.getId(), apiKey);
}
LOG.info("Upload response:" + result);
// set gold? this is what i would like to do...
// updateVariable(job, "https://api.crowdflower.com/v1/jobs/{jobid}/gold?key={apiKey}",
// "set_standard_gold", "TRUE");
}
/**
* Sets a single key in Crowdflowers job with a given value
*
* @param job
* @param key
* @param value
*/
void updateVariable(CrowdJob job, String Url, String key, String value) {
MultiValueMap<String, String> argumentMap = new LinkedMultiValueMap<String, String>();
argumentMap.add(key, value);
RestTemplate restTemplate = new RestTemplate();
restTemplate.getMessageConverters().add(new FormHttpMessageConverter());
restTemplate.put(Url, argumentMap, job.getId(), apiKey);
}
/**
* Retrieves raw judgments for a given job
*
* @param job
* @return raw judgments as string
* @throws IOException
* @throws UnsupportedEncodingException
*/
String retrieveRawJudgments(CrowdJob job) throws UnsupportedEncodingException, IOException {
RestTemplate restTemplate = new RestTemplate();
restTemplate.getMessageConverters().add(new MappingJacksonHttpMessageConverter());
// Crowdflower sends back a zip file with a single JSON file, which make things a bit awkward
// here:
byte[] resultJsonZip =
restTemplate.getForObject(judgmentsURL, byte[].class, job.getId(), apiKey);
if (resultJsonZip != null && resultJsonZip.length > 0) {
String resultJsonString = new String(unzip(resultJsonZip), "UTF-8");
return resultJsonString;
} else {
return "";
}
}