AWSCredentials getCredentialsForUser()

in emr-user-role-mapper-s3storagebasedauthorizationmanager/src/main/java/com/amazonaws/emr/urm/hive/urmstoragebasedauthorizer/URMCredentialsRetriever.java [22:40]

• 18 lines of code
• 3 McCabe index (conditional complexity)

    AWSCredentials getCredentialsForUser(String userName) {
        try {
            //Create http-client to get user mapped role credentials
            URI uri = URI.create(URM_ADDRESS_FOR_IMPERSONATION + userName);
            URLConnection connection = uri.toURL().openConnection();
            InputStream response = connection.getInputStream();
            try (BufferedReader rd = new BufferedReader(new InputStreamReader(response))) {
                StringBuilder responseString = new StringBuilder(); // or StringBuffer if Java version 5+
                String line;
                while ((line = rd.readLine()) != null) {
                    responseString.append(line);
                    responseString.append('\r');
                }
                return extractCredentialsFromResponse(responseString.toString());
            }
        } catch (Exception e) {
            throw new RuntimeException(String.format("Caught exception [%s] while fetching user mapped role credentials for user %s.", e, userName), e);
        }
    }