@Override
public void run() {
/*
* Create the client call
*/
while (true) {
try {
client = new DefaultHttpClient();
client.setCredentialsProvider(credentialProvider);
HttpGet get = new HttpGet(STREAMING_API_URL + track);
HttpResponse response;
try {
// Execute
response = client.execute(get);
StatusLine status = response.getStatusLine();
if (status.getStatusCode() == 200) {
InputStream inputStream = response.getEntity().getContent();
BufferedReader reader = new BufferedReader(new InputStreamReader(inputStream));
String in;
// Read line by line
while ((in = reader.readLine()) != null) {
// Parse and emit
Tweet tweet = parseTweet(in);
tweets.add(tweet);
}
}
} catch (IOException e) {
LOG.error("Error in communication with twitter api [" + get.getURI().toString() + "]");
try {
Thread.sleep(10000);
} catch (InterruptedException e1) {
}
}
} catch (Throwable e) {
LOG.error(e);
}
LOG.error("An error ocurs, all runnable thread will be restarted");
try {
Thread.sleep(1000);
} catch (Exception e) {
}
}
}
/**
* Prepares objects for HTTP communications with the Gatekeeper servlet.
*
* @return
*/
private HttpClient initHttpConnection() {
// Set client parameters.
HttpParams params = RestUtils.createDefaultHttpParams();
HttpProtocolParams.setUserAgent(
params, ServiceUtils.getUserAgentDescription(userAgentDescription));
// Set connection parameters.
HttpConnectionParams.setConnectionTimeout(params, connectionTimeout);
HttpConnectionParams.setSoTimeout(params, connectionTimeout);
HttpConnectionParams.setStaleCheckingEnabled(params, false);
DefaultHttpClient httpClient = new DefaultHttpClient(params);
// Replace default error retry handler.
httpClient.setHttpRequestRetryHandler(new RestUtils.JetS3tRetryHandler(maxRetryCount, null));
// httpClient.getParams().setAuthenticationPreemptive(true);
httpClient.setCredentialsProvider(credentialsProvider);
return httpClient;
}
private DefaultHttpClient createConnection(String user, String password) {
DefaultHttpClient httpClient = new DefaultHttpClient();
HttpParams params = httpClient.getParams();
SchemeRegistry schemeRegistry = new SchemeRegistry();
schemeRegistry.register(new Scheme("http", PlainSocketFactory.getSocketFactory(), 80));
SSLSocketFactory sslSocketFactory = SSLSocketFactory.getSocketFactory();
sslSocketFactory.setHostnameVerifier(SSLSocketFactory.ALLOW_ALL_HOSTNAME_VERIFIER);
schemeRegistry.register(new Scheme("https", sslSocketFactory, 443));
ThreadSafeClientConnManager cm = new ThreadSafeClientConnManager(params, schemeRegistry);
UsernamePasswordCredentials bCred = new UsernamePasswordCredentials(user, password);
BasicCredentialsProvider cProvider = new BasicCredentialsProvider();
cProvider.setCredentials(AuthScope.ANY, bCred);
params.setBooleanParameter(CoreProtocolPNames.USE_EXPECT_CONTINUE, false);
httpClient.setParams(params);
DefaultHttpClient nHttpClient = new DefaultHttpClient(cm, params);
nHttpClient.setCredentialsProvider(cProvider);
return nHttpClient;
}
