private static HttpParams createDefaultHttpParams(int timeout) {
HttpParams params = new BasicHttpParams();
/* default HTTP parameters */
DefaultHttpClient.setDefaultHttpParams(params);
/* connection/socket timeouts */
HttpConnectionParams.setSoTimeout(params, timeout);
HttpConnectionParams.setConnectionTimeout(params, timeout);
/* user agent */
HttpProtocolParams.setUserAgent(params, "cosbench/2.0");
return params;
}
public static Client createApacheClient(
AtmosConfig config,
boolean useExpect100Continue,
List<Class<MessageBodyReader<?>>> readers,
List<Class<MessageBodyWriter<?>>> writers) {
try {
ClientConfig clientConfig = new DefaultApacheHttpClient4Config();
// make sure the apache client is thread-safe
PoolingClientConnectionManager connectionManager = new PoolingClientConnectionManager();
// Increase max total connection to 200
connectionManager.setMaxTotal(200);
// Increase default max connection per route to 200
connectionManager.setDefaultMaxPerRoute(200);
clientConfig
.getProperties()
.put(DefaultApacheHttpClient4Config.PROPERTY_CONNECTION_MANAGER, connectionManager);
// register an open trust manager to allow SSL connections to servers with self-signed
// certificates
if (config.isDisableSslValidation()) {
connectionManager
.getSchemeRegistry()
.register(
new Scheme(
"https",
443,
new SSLSocketFactory(
SslUtil.createGullibleSslContext(),
SSLSocketFactory.ALLOW_ALL_HOSTNAME_VERIFIER)));
}
// set proxy uri
ProxySelector proxySelector;
// first look in config
URI proxyUri = config.getProxyUri();
if (proxyUri != null) {
proxySelector = new ConfigProxySelector(config);
} else {
// if no proxy in config, use system property sniffing selector
proxySelector = new DefaultProxySelector();
// and see if a proxy is set
String host = System.getProperty("http.proxyHost");
String portStr = System.getProperty("http.proxyPort");
int port = (portStr != null) ? Integer.parseInt(portStr) : -1;
if (host != null && host.length() > 0)
proxyUri = new URI("http", null, host, port, null, null, null);
}
// make sure any proxy credentials (below) are associated with the proxy
if (proxyUri != null)
clientConfig.getProperties().put(ApacheHttpClient4Config.PROPERTY_PROXY_URI, proxyUri);
// set proxy auth
// first config
String proxyUser = config.getProxyUser(), proxyPassword = config.getProxyPassword();
// then system props
if (proxyUser == null) {
proxyUser = System.getProperty("http.proxyUser");
proxyPassword = System.getProperty("http.proxyPassword");
}
if (proxyUser != null && proxyUser.length() > 0) {
clientConfig
.getProperties()
.put(ApacheHttpClient4Config.PROPERTY_PROXY_USERNAME, proxyUser);
clientConfig
.getProperties()
.put(ApacheHttpClient4Config.PROPERTY_PROXY_PASSWORD, proxyPassword);
}
// specify whether to use Expect: 100-continue
HttpParams httpParams = new SyncBasicHttpParams();
DefaultHttpClient.setDefaultHttpParams(httpParams);
httpParams.setBooleanParameter(AllClientPNames.USE_EXPECT_CONTINUE, useExpect100Continue);
clientConfig
.getProperties()
.put(DefaultApacheHttpClient4Config.PROPERTY_HTTP_PARAMS, httpParams);
// pick up other configuration from system props
for (String prop : System.getProperties().stringPropertyNames()) {
if (prop.startsWith("http.")) {
// because AbstractHttpParams uses casts instead of parsing string values, we must know
// the
// parameter types ahead of time. I'm going to guess them in lieu of maintaining a map.
// however,
// we still need to define Long typed parameters so they may be differentiated from
// Integer typed
// parameters.
String value = System.getProperty(prop);
if (LONG_PARAMETERS.contains(prop))
httpParams.setLongParameter(
prop, Long.parseLong(value.substring(0, value.length() - 1)));
else if (BOOLEAN_PATTERN.matcher(value).matches())
httpParams.setBooleanParameter(prop, Boolean.parseBoolean(value));
else if (DOUBLE_PATTERN.matcher(value).matches())
httpParams.setDoubleParameter(prop, Double.parseDouble(value));
else if (INT_PATTERN.matcher(value).matches())
httpParams.setIntParameter(prop, Integer.parseInt(value));
else httpParams.setParameter(prop, System.getProperty(prop));
}
}
JerseyUtil.addHandlers(clientConfig, readers, writers);
// create the client
ApacheHttpClient4 client = ApacheHttpClient4.create(clientConfig);
AbstractHttpClient httpClient =
(AbstractHttpClient) client.getClientHandler().getHttpClient();
// do not use Apache's retry handler
httpClient.setHttpRequestRetryHandler(new DefaultHttpRequestRetryHandler(0, false));
// use a RoutePlanner/ProxySelector that fits our requirements
SchemeRegistry registry = httpClient.getConnectionManager().getSchemeRegistry();
httpClient.setRoutePlanner(new ProxySelectorRoutePlanner(registry, proxySelector));
JerseyUtil.addFilters(client, config);
return client;
} catch (Exception e) {
throw new AtmosException("Error configuring REST client", e);
}
}