@Override
public void handle(HttpExchange httpExchange) throws IOException {
Map<String, String> urlParams = getURLParams(httpExchange.getRequestURI());
httpExchange.getResponseHeaders().set("Content-Type", "text/plain");
boolean doExit = false;
String response = "Invalid shutdown key\n";
if (urlParams.containsKey("key") && urlParams.get("key").equals(shutdownKey)) {
response = "Shutdown successful!\n";
doExit = true;
}
httpExchange.sendResponseHeaders(HTTP_OK, response.getBytes().length);
httpExchange.getResponseBody().write(response.getBytes());
httpExchange.close();
if (doExit) {
System.exit(0);
}
}
public StanfordCoreNLPServer(int port) throws IOException {
serverPort = port;
defaultProps = new Properties();
defaultProps.setProperty(
"annotators", "tokenize, ssplit, pos, lemma, ner, parse, depparse, natlog, openie, dcoref");
defaultProps.setProperty("inputFormat", "text");
defaultProps.setProperty("outputFormat", "json");
// Generate and write a shutdown key
String tmpDir = System.getProperty("java.io.tmpdir");
File tmpFile = new File(tmpDir + File.separator + "corenlp.shutdown");
tmpFile.deleteOnExit();
if (tmpFile.exists()) {
if (!tmpFile.delete()) {
throw new IllegalStateException("Could not delete shutdown key file");
}
}
this.shutdownKey = new BigInteger(130, new Random()).toString(32);
IOUtils.writeStringToFile(shutdownKey, tmpFile.getPath(), "utf-8");
// Set the static page handler
this.staticPageHandle = new FileHandler("edu/stanford/nlp/pipeline/demo/corenlp-brat.html");
}