List of usage examples for org.apache.http.impl.conn ProxySelectorRoutePlanner getProxySelector
public ProxySelector getProxySelector()
From source file:com.android.tools.idea.sdk.remote.internal.UrlOpener.java
@NonNull private static Pair<InputStream, HttpResponse> openWithHttpClient(@NonNull String url, @NonNull ITaskMonitor monitor, Header[] inHeaders) throws IOException, CanceledByUserException { UserCredentials result = null;/* w w w. j av a 2 s . c o m*/ String realm = null; HttpParams params = new BasicHttpParams(); HttpConnectionParams.setConnectionTimeout(params, sConnectionTimeoutMs); HttpConnectionParams.setSoTimeout(params, sSocketTimeoutMs); // use the simple one final DefaultHttpClient httpClient = new DefaultHttpClient(params); // create local execution context HttpContext localContext = new BasicHttpContext(); final HttpGet httpGet = new HttpGet(url); if (inHeaders != null) { for (Header header : inHeaders) { httpGet.addHeader(header); } } // retrieve local java configured network in case there is the need to // authenticate a proxy ProxySelectorRoutePlanner routePlanner = new ProxySelectorRoutePlanner( httpClient.getConnectionManager().getSchemeRegistry(), ProxySelector.getDefault()); httpClient.setRoutePlanner(routePlanner); // Set preference order for authentication options. // In particular, we don't add AuthPolicy.SPNEGO, which is given preference over NTLM in // servers that support both, as it is more secure. However, we don't seem to handle it // very well, so we leave it off the list. // See http://hc.apache.org/httpcomponents-client-ga/tutorial/html/authentication.html for // more info. List<String> authpref = new ArrayList<String>(); authpref.add(AuthPolicy.BASIC); authpref.add(AuthPolicy.DIGEST); authpref.add(AuthPolicy.NTLM); httpClient.getParams().setParameter(AuthPNames.PROXY_AUTH_PREF, authpref); httpClient.getParams().setParameter(AuthPNames.TARGET_AUTH_PREF, authpref); if (DEBUG) { try { URI uri = new URI(url); ProxySelector sel = routePlanner.getProxySelector(); if (sel != null && uri.getScheme().startsWith("httP")) { //$NON-NLS-1$ List<Proxy> list = sel.select(uri); System.out.printf("SdkLib.UrlOpener:\n Connect to: %s\n Proxy List: %s\n", //$NON-NLS-1$ url, list == null ? "(null)" : Arrays.toString(list.toArray()));//$NON-NLS-1$ } } catch (Exception e) { System.out.printf("SdkLib.UrlOpener: Failed to get proxy info for %s: %s\n", //$NON-NLS-1$ url, e.toString()); } } boolean trying = true; // loop while the response is being fetched while (trying) { // connect and get status code HttpResponse response = httpClient.execute(httpGet, localContext); int statusCode = response.getStatusLine().getStatusCode(); if (DEBUG) { System.out.printf(" Status: %d\n", statusCode); //$NON-NLS-1$ } // check whether any authentication is required AuthState authenticationState = null; if (statusCode == HttpStatus.SC_UNAUTHORIZED) { // Target host authentication required authenticationState = (AuthState) localContext.getAttribute(ClientContext.TARGET_AUTH_STATE); } if (statusCode == HttpStatus.SC_PROXY_AUTHENTICATION_REQUIRED) { // Proxy authentication required authenticationState = (AuthState) localContext.getAttribute(ClientContext.PROXY_AUTH_STATE); } if (statusCode == HttpStatus.SC_OK || statusCode == HttpStatus.SC_NOT_MODIFIED) { // in case the status is OK and there is a realm and result, // cache it if (realm != null && result != null) { sRealmCache.put(realm, result); } } // there is the need for authentication if (authenticationState != null) { // get scope and realm AuthScope authScope = authenticationState.getAuthScope(); // If the current realm is different from the last one it means // a pass was performed successfully to the last URL, therefore // cache the last realm if (realm != null && !realm.equals(authScope.getRealm())) { sRealmCache.put(realm, result); } realm = authScope.getRealm(); // in case there is cache for this Realm, use it to authenticate if (sRealmCache.containsKey(realm)) { result = sRealmCache.get(realm); } else { // since there is no cache, request for login and password result = monitor.displayLoginCredentialsPrompt("Site Authentication", "Please login to the following domain: " + realm + "\n\nServer requiring authentication:\n" + authScope.getHost()); if (result == null) { throw new CanceledByUserException("User canceled login dialog."); } } // retrieve authentication data String user = result.getUserName(); String password = result.getPassword(); String workstation = result.getWorkstation(); String domain = result.getDomain(); // proceed in case there is indeed a user if (user != null && user.length() > 0) { Credentials credentials = new NTCredentials(user, password, workstation, domain); httpClient.getCredentialsProvider().setCredentials(authScope, credentials); trying = true; } else { trying = false; } } else { trying = false; } HttpEntity entity = response.getEntity(); if (entity != null) { if (trying) { // in case another pass to the Http Client will be performed, close the entity. entity.getContent().close(); } else { // since no pass to the Http Client is needed, retrieve the // entity's content. // Note: don't use something like a BufferedHttpEntity since it would consume // all content and store it in memory, resulting in an OutOfMemory exception // on a large download. InputStream is = new FilterInputStream(entity.getContent()) { @Override public void close() throws IOException { // Since Http Client is no longer needed, close it. // Bug #21167: we need to tell http client to shutdown // first, otherwise the super.close() would continue // downloading and not return till complete. httpClient.getConnectionManager().shutdown(); super.close(); } }; HttpResponse outResponse = new BasicHttpResponse(response.getStatusLine()); outResponse.setHeaders(response.getAllHeaders()); outResponse.setLocale(response.getLocale()); return Pair.of(is, outResponse); } } else if (statusCode == HttpStatus.SC_NOT_MODIFIED) { // It's ok to not have an entity (e.g. nothing to download) for a 304 HttpResponse outResponse = new BasicHttpResponse(response.getStatusLine()); outResponse.setHeaders(response.getAllHeaders()); outResponse.setLocale(response.getLocale()); return Pair.of(null, outResponse); } } // We get here if we did not succeed. Callers do not expect a null result. httpClient.getConnectionManager().shutdown(); throw new FileNotFoundException(url); }