// CHECKSTYLE: stop IllegalCatch
public static HttpURLConnection openOutputConnection(
ImmutableClassesGiraphConfiguration conf, String type) throws InterruptedException {
String uriFormat = "/graphs/%s/tp/giraph/%s/";
String endpoint = GIRAPH_REXSTER_HOSTNAME.get(conf);
boolean isSsl = GIRAPH_REXSTER_USES_SSL.get(conf);
int port = GIRAPH_REXSTER_PORT.get(conf);
String graph = GIRAPH_REXSTER_OUTPUT_GRAPH.get(conf);
try {
URL url =
new URL(isSsl ? "https" : "http", endpoint, port, String.format(uriFormat, graph, type));
LOG.info(url);
String username = GIRAPH_REXSTER_USERNAME.get(conf);
String password = GIRAPH_REXSTER_PASSWORD.get(conf);
String auth = getHTTPAuthString(username, password);
HttpURLConnection connection = createConnection(url, "POST", auth);
connection.setRequestProperty("Content-Type", "application/json; cherset=UTF-8");
connection.setDoInput(true);
connection.setDoOutput(true);
return connection;
} catch (Exception e) {
throw new InterruptedException(e.getMessage());
}
}
// CHECKSTYLE: stop IllegalCatch
public static BufferedReader openInputStream(
ImmutableClassesGiraphConfiguration conf,
long start,
long end,
String type,
String gremlinScript)
throws InterruptedException {
String uriScriptFormat =
"/graphs/%s/tp/gremlin?script=%s" + "&rexster.offset.start=%s&rexster.offset.end=%s";
String uriFormat =
"/graphs/%s/tp/giraph/%s/" + "?rexster.offset.start=%s&rexster.offset.end=%s";
String endpoint = GIRAPH_REXSTER_HOSTNAME.get(conf);
try {
boolean isSsl = GIRAPH_REXSTER_USES_SSL.get(conf);
int port = GIRAPH_REXSTER_PORT.get(conf);
String graph = GIRAPH_REXSTER_INPUT_GRAPH.get(conf);
URL url;
if (gremlinScript != null && !gremlinScript.isEmpty()) {
url =
new URL(
isSsl ? "https" : "http",
endpoint,
port,
String.format(uriScriptFormat, graph, gremlinScript, start, end));
} else {
url =
new URL(
isSsl ? "https" : "http",
endpoint,
port,
String.format(uriFormat, graph, type, start, end));
}
LOG.info(url);
String username = GIRAPH_REXSTER_USERNAME.get(conf);
String password = GIRAPH_REXSTER_PASSWORD.get(conf);
String auth = getHTTPAuthString(username, password);
HttpURLConnection connection = createConnection(url, "GET", auth);
connection.setRequestProperty("Content-Type", "application/json; charset=UTF-8");
connection.setDoInput(true);
connection.setDoOutput(false);
RexsterUtils.handleResponse(connection, type);
InputStream is = connection.getInputStream();
InputStreamReader isr = new InputStreamReader(is, Charset.forName("UTF-8"));
return new BufferedReader(isr);
} catch (Exception e) {
throw new InterruptedException(e.getMessage());
}
}