@Override
public void createTable(String schema, String tableName, String fields) throws Exception {
// Create the table
String query = "CREATE TABLE " + schema + "." + tableName + " " + fields;
String encodedQuery = URLEncoder.encode(query, "UTF-8");
String relativeURL = BASE_URL + encodedQuery + "&api_key=" + apiKey;
JsonResponse response = doRequest("GET", relativeURL, true, null, null);
if (response.getStatusCode() != 200) {
throw new CygnusPersistenceError(
"The query '"
+ query
+ "' could not be executed. CartoDB response: "
+ response.getStatusCode()
+ " "
+ response.getReasonPhrase());
} // if
// CartoDBfy the table
query = "SELECT cdb_cartodbfytable('" + schema + "', '" + tableName + "')";
encodedQuery = URLEncoder.encode(query, "UTF-8");
relativeURL = BASE_URL + encodedQuery + "&api_key=" + apiKey;
response = doRequest("GET", relativeURL, true, null, null);
if (response.getStatusCode() != 200) {
throw new CygnusPersistenceError(
"The query '"
+ query
+ "' could not be executed. CartoDB response: "
+ response.getStatusCode()
+ " "
+ response.getReasonPhrase());
} // if
} // createTable
@Override
public void insert(String schema, String tableName, String withs, String fields, String rows)
throws Exception {
String query =
withs + "INSERT INTO " + schema + "." + tableName + " " + fields + " VALUES " + rows;
String encodedQuery = URLEncoder.encode(query, "UTF-8");
String relativeURL = BASE_URL + encodedQuery + "&api_key=" + apiKey;
JsonResponse response = doRequest("GET", relativeURL, true, null, null);
// check the status
if (response.getStatusCode() != 200) {
throw new CygnusPersistenceError(
"The query '"
+ query
+ "' could not be executed. CartoDB response: "
+ response.getStatusCode()
+ " "
+ response.getReasonPhrase());
} // if
} // insert
@Override
public boolean isEmpty(String schema, String tableName) throws Exception {
String query = "SELECT COUNT(*) FROM " + schema + "." + tableName;
String encodedQuery = URLEncoder.encode(query, "UTF-8");
String relativeURL = BASE_URL + encodedQuery + "&api_key=" + apiKey;
JsonResponse response = doRequest("GET", relativeURL, true, null, null);
// check the status
if (response.getStatusCode() != 200) {
throw new CygnusPersistenceError(
"The query '"
+ query
+ "' could not be executed. CartoDB response: "
+ response.getStatusCode()
+ " "
+ response.getReasonPhrase());
} // if
JSONArray rows = (JSONArray) response.getJsonObject().get("rows");
JSONObject countRow = (JSONObject) rows.get(0);
Long count = (Long) countRow.get("count");
return (count == 0);
} // isEmpty