protected HttpClientContext createHttpClientContext()

in commons-vfs2/src/main/java/org/apache/commons/vfs2/provider/http5/Http5FileProvider.java [229:278]
38 lines of code
6 McCabe index (conditional complexity)

    protected HttpClientContext createHttpClientContext(final Http5FileSystemConfigBuilder builder,
            final GenericFileName rootName, final FileSystemOptions fileSystemOptions,
            final UserAuthenticationData authData) {

        final HttpClientContext clientContext = HttpClientContext.create();
        final BasicCredentialsProvider credsProvider = new BasicCredentialsProvider();
        clientContext.setCredentialsProvider(credsProvider);

        final String username = UserAuthenticatorUtils.toString(UserAuthenticatorUtils.getData(authData,
                UserAuthenticationData.USERNAME, UserAuthenticatorUtils.toChar(rootName.getUserName())));
        final char[] password = UserAuthenticatorUtils.getData(authData,
                UserAuthenticationData.PASSWORD, UserAuthenticatorUtils.toChar(rootName.getPassword()));

        if (!StringUtils.isEmpty(username)) {
            // set root port
            credsProvider.setCredentials(new AuthScope(rootName.getHostName(), rootName.getPort()),
                    new UsernamePasswordCredentials(username, password));
        }

        final HttpHost proxyHost = getProxyHttpHost(builder, fileSystemOptions);

        if (proxyHost != null) {
            final UserAuthenticator proxyAuth = builder.getProxyAuthenticator(fileSystemOptions);

            if (proxyAuth != null) {
                final UserAuthenticationData proxyAuthData = UserAuthenticatorUtils.authenticate(proxyAuth,
                    new UserAuthenticationData.Type[] {UserAuthenticationData.USERNAME, UserAuthenticationData.PASSWORD});

                if (proxyAuthData != null) {
                    final UsernamePasswordCredentials proxyCreds = new UsernamePasswordCredentials(
                            UserAuthenticatorUtils.toString(
                                    UserAuthenticatorUtils.getData(proxyAuthData, UserAuthenticationData.USERNAME, null)),
                            UserAuthenticatorUtils.getData(proxyAuthData, UserAuthenticationData.PASSWORD, null));

                    // set proxy host port
                    credsProvider.setCredentials(new AuthScope(proxyHost.getHostName(), proxyHost.getPort()),
                            proxyCreds);
                }

                if (builder.isPreemptiveAuth(fileSystemOptions)) {
                    final AuthCache authCache = new BasicAuthCache();
                    final BasicScheme basicAuth = new BasicScheme();
                    authCache.put(proxyHost, basicAuth);
                    clientContext.setAuthCache(authCache);
                }
            }
        }

        return clientContext;
    }