@Override
public void start() throws Exception {
initAuthentication();
method = registration.getTarget().getMethod();
if (method == null) method = "POST";
contentType = registration.getTarget().getType();
targetUri = ResteasyUriBuilder.fromTemplate(registration.getTarget().getHref());
}
protected void initAuthentication() {
if (registration.getAuthenticationMechanism() != null) {
if (registration.getAuthenticationMechanism().getType() instanceof BasicAuth) {
BasicAuth basic = (BasicAuth) registration.getAuthenticationMechanism().getType();
UsernamePasswordCredentials creds =
new UsernamePasswordCredentials(basic.getUsername(), basic.getPassword());
AuthScope authScope = new AuthScope(AuthScope.ANY);
((DefaultHttpClient) client).getCredentialsProvider().setCredentials(authScope, creds);
localContext = new BasicHttpContext();
// Generate BASIC scheme object and stick it to the local execution context
BasicScheme basicAuth = new BasicScheme();
localContext.setAttribute("preemptive-auth", basicAuth);
// Add as the first request interceptor
((DefaultHttpClient) client).addRequestInterceptor(new PreemptiveAuth(), 0);
executor.setHttpContext(localContext);
}
}
}
@Override
public boolean push(ClientMessage message) {
ActiveMQRestLogger.LOGGER.debug("Pushing " + message);
String uri = createUri(message);
for (int i = 0; i < registration.getMaxRetries(); i++) {
long wait = registration.getRetryWaitMillis();
System.out.println("Creating request from " + uri);
ClientRequest request = executor.createRequest(uri);
request.followRedirects(false);
ActiveMQRestLogger.LOGGER.debug("Created request " + request);
for (XmlHttpHeader header : registration.getHeaders()) {
ActiveMQRestLogger.LOGGER.debug(
"Setting XmlHttpHeader: " + header.getName() + "=" + header.getValue());
request.header(header.getName(), header.getValue());
}
HttpMessageHelper.buildMessage(message, request, contentType, jmsOptions);
ClientResponse<?> res = null;
try {
ActiveMQRestLogger.LOGGER.debug(method + " " + uri);
res = request.httpMethod(method);
int status = res.getStatus();
ActiveMQRestLogger.LOGGER.debug("Status of push: " + status);
if (status == 503) {
String retryAfter = res.getStringHeaders().getFirst("Retry-After");
if (retryAfter != null) {
wait = Long.parseLong(retryAfter) * 1000;
}
} else if (status == 307) {
uri = res.getLocation().toString();
wait = 0;
} else if ((status >= 200 && status < 299) || status == 303 || status == 304) {
ActiveMQRestLogger.LOGGER.debug("Success");
return true;
} else if (status >= 400) {
switch (status) {
case 400: // these usually mean the message you are trying to send is crap, let dead
// letter logic take over
case 411:
case 412:
case 413:
case 414:
case 415:
case 416:
throw new RuntimeException(
"Something is wrong with the message, status returned: "
+ status
+ " for push registration of URI: "
+ uri);
case 401: // might as well consider these critical failures and abort. Immediately
// signal to disable push registration depending on config
case 402:
case 403:
case 405:
case 406:
case 407:
case 417:
case 505:
return false;
case 404: // request timeout, gone, and not found treat as a retry
case 408:
case 409:
case 410:
break;
default: // all 50x requests just retry (except 505)
break;
}
}
} catch (Exception e) {
ActiveMQRestLogger.LOGGER.debug("failed to push message to " + uri, e);
e.printStackTrace();
return false;
} finally {
if (res != null) res.releaseConnection();
}
try {
if (wait > 0) Thread.sleep(wait);
} catch (InterruptedException e) {
throw new RuntimeException("Interrupted");
}
}
return false;
}