Provisioning Genesys Cloud Role-Based Access Controls with Java

What You Will Build

• A Java application that fetches users and groups from an enterprise SCIM endpoint, maps directory attributes to Genesys Cloud roles via a YAML configuration, assigns roles using the Genesys Cloud API, handles validation failures gracefully, paginates through large datasets, and reports success metrics to a dashboard endpoint.
• Uses the official Genesys Cloud Java SDK and standard Java 17 HTTP clients.
• Covers Java 17+ with Maven dependencies for YAML parsing, JSON serialization, and API communication.

Prerequisites

• Genesys Cloud OAuth Client Credentials (confidential client type)
• Required OAuth scopes: user:write, user:read, organization:read, role:read, role:write
• Genesys Cloud Java SDK v168.0.0 or newer
• External SCIM 2.0 directory endpoint (Okta, Azure AD, or compatible mock server)
• Java 17 runtime environment
• Maven dependencies: snakeyaml, com.fasterxml.jackson.core:jackson-databind, com.mypurecloud.platform:genesys-cloud-purecloud-platform-client, org.slf4j:slf4j-simple

Authentication Setup

Genesys Cloud uses OAuth 2.0 Client Credentials flow for server-to-server integration. The token must be cached and refreshed before expiration to avoid 401 Unauthorized responses during bulk operations.

import java.io.IOException;
import java.net.URI;
import java.net.http.HttpClient;
import java.net.http.HttpRequest;
import java.net.http.HttpResponse;
import java.net.URLEncoder;
import java.nio.charset.StandardCharsets;
import java.time.Instant;
import java.util.concurrent.atomic.AtomicReference;

public class TokenManager {
    private static final String TOKEN_ENDPOINT = "https://api.mypurecloud.com/oauth/token";
    private static final HttpClient HTTP_CLIENT = HttpClient.newHttpClient();
    private final String clientId;
    private final String clientSecret;
    private final String scope;
    private final AtomicReference<String> cachedToken = new AtomicReference<>();
    private Instant tokenExpiry = Instant.EPOCH;

    public TokenManager(String clientId, String clientSecret, String scope) {
        this.clientId = clientId;
        this.clientSecret = clientSecret;
        this.scope = scope;
    }

    public String getAccessToken() throws IOException, InterruptedException {
        if (Instant.now().isBefore(tokenExpiry.minusSeconds(60))) {
            return cachedToken.get();
        }
        return refreshToken();
    }

    private String refreshToken() throws IOException, InterruptedException {
        String body = String.format(
            "grant_type=client_credentials&client_id=%s&client_secret=%s&scope=%s",
            URLEncoder.encode(clientId, StandardCharsets.UTF_8),
            URLEncoder.encode(clientSecret, StandardCharsets.UTF_8),
            URLEncoder.encode(scope, StandardCharsets.UTF_8)
        );

        HttpRequest request = HttpRequest.newBuilder()
            .uri(URI.create(TOKEN_ENDPOINT))
            .header("Content-Type", "application/x-www-form-urlencoded")
            .POST(HttpRequest.BodyPublishers.ofString(body))
            .build();

        HttpResponse<String> response = HTTP_CLIENT.send(request, HttpResponse.BodyHandlers.ofString());
        if (response.statusCode() != 200) {
            throw new RuntimeException("OAuth token fetch failed with status " + response.statusCode());
        }

        com.fasterxml.jackson.databind.JsonNode json = 
            new com.fasterxml.jackson.databind.ObjectMapper().readTree(response.body());
        String token = json.get("access_token").asText();
        long expiresIn = json.get("expires_in").asLong();
        
        cachedToken.set(token);
        tokenExpiry = Instant.now().plusSeconds(expiresIn);
        return token;
    }
}

OAuth Scope Requirement: user:write user:read organization:read role:read role:write

Implementation

Step 1: Configure Role Mappings with YAML

The YAML file defines how enterprise directory group names translate to Genesys Cloud role URIs. It also defines a fallback role for users whose primary mapping fails validation.

# config.yaml
roleMappings:
  "Engineering-Team": "uri:genesyscloud:role:a1b2c3d4-e5f6-7890-abcd-ef1234567890"
  "Support-Team": "uri:genesyscloud:role:12345678-abcd-ef01-2345-678901234567"
  "Finance-Team": "uri:genesyscloud:role:98765432-dcba-fe01-5432-109876543210"
fallbackRole: "uri:genesyscloud:role:00000000-0000-0000-0000-000000000000"
dashboardEndpoint: "https://metrics.internal/api/v1/provisioning"
scimEndpoint: "https://directory.example.com/scim/v2"

Load the configuration using SnakeYAML:

import org.yaml.snakeyaml.Yaml;
import java.io.FileInputStream;
import java.util.Map;

public class ProvisioningConfig {
    public final Map<String, String> roleMappings;
    public final String fallbackRole;
    public final String dashboardEndpoint;
    public final String scimEndpoint;

    public ProvisioningConfig(String yamlPath) throws Exception {
        Yaml yaml = new Yaml();
        Map<String, Object> data = yaml.load(new FileInputStream(yamlPath));
        this.roleMappings = (Map<String, String>) data.get("roleMappings");
        this.fallbackRole = (String) data.get("fallbackRole");
        this.dashboardEndpoint = (String) data.get("dashboardEndpoint");
        this.scimEndpoint = (String) data.get("scimEndpoint");
    }
}

Step 2: Synchronize Enterprise Directory via SCIM

Fetch users from the SCIM endpoint with pagination. SCIM 2.0 uses startIndex and count for pagination, or startIndex/itemsPerPage. This example uses count and calculates startIndex manually.

import java.net.http.HttpRequest;
import java.net.http.HttpResponse;
import java.util.ArrayList;
import java.util.List;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.ObjectMapper;

public class ScimSync {
    private final HttpClient client;
    private final ObjectMapper mapper;
    private final String endpoint;

    public ScimSync(String endpoint) {
        this.client = HttpClient.newBuilder()
            .followRedirects(HttpClient.Redirect.NEVER)
            .build();
        this.mapper = new ObjectMapper();
        this.endpoint = endpoint;
    }

    public List<JsonNode> fetchUsers(String bearerToken, int pageSize) throws Exception {
        List<JsonNode> allUsers = new ArrayList<>();
        int startIndex = 1;
        boolean hasMore = true;

        while (hasMore) {
            String url = String.format("%s/Users?count=%d&startIndex=%d&filter=active eq true", 
                endpoint, pageSize, startIndex);
            
            HttpRequest request = HttpRequest.newBuilder()
                .uri(URI.create(url))
                .header("Authorization", "Bearer " + bearerToken)
                .header("Accept", "application/scim+json")
                .GET()
                .build();

            HttpResponse<String> response = client.send(request, HttpResponse.BodyHandlers.ofString());
            if (response.statusCode() == 429) {
                long retryAfter = Long.parseLong(response.headers().firstValue("Retry-After").orElse("2"));
                Thread.sleep(retryAfter * 1000);
                continue;
            }
            if (response.statusCode() != 200) {
                throw new RuntimeException("SCIM fetch failed: " + response.statusCode());
            }

            JsonNode root = mapper.readTree(response.body());
            JsonNode resources = root.get("Resources");
            if (resources != null && resources.isArray()) {
                resources.forEach(allUsers::add);
            }

            int totalResults = root.get("totalResults").asInt();
            if (startIndex + pageSize - 1 >= totalResults) {
                hasMore = false;
            } else {
                startIndex += pageSize;
            }
        }
        return allUsers;
    }
}

OAuth Scope Requirement: External SCIM token (not Genesys). Genesys side requires user:read.

Step 3: Provision Users and Assign Roles

Create or update users in Genesys Cloud, then assign roles using PUT /api/v2/users/{userId}/roles. The SDK handles serialization. Include retry logic for 429 rate limits.

import com.mypurecloud.platform.client.ApiClient;
import com.mypurecloud.platform.client.auth.OAuth2Client;
import com.mypurecloud.platform.client.api.UsersApi;
import com.mypurecloud.platform.client.api.RolesApi;
import com.mypurecloud.platform.client.model.User;
import com.mypurecloud.platform.client.model.UserRoles;
import com.mypurecloud.platform.client.ApiException;

public class GenesysProvisioner {
    private final UsersApi usersApi;
    private final RolesApi rolesApi;
    private final int maxRetries = 3;

    public GenesysProvisioner(String accessToken) throws Exception {
        ApiClient apiClient = new ApiClient();
        apiClient.setAccessToken(accessToken);
        this.usersApi = new UsersApi(apiClient);
        this.rolesApi = new RolesApi(apiClient);
    }

    public void assignRole(String userId, String roleUri, Map<String, String> mapping, String fallbackUri) throws Exception {
        String targetRole = mapping.getOrDefault(roleUri, fallbackUri);
        UserRoles rolesPayload = new UserRoles();
        rolesPayload.setRoles(List.of(targetRole));

        int attempt = 0;
        while (attempt < maxRetries) {
            try {
                usersApi.putUserRoles(userId, rolesPayload);
                return;
            } catch (ApiException e) {
                if (e.getCode() == 429 && attempt < maxRetries - 1) {
                    Thread.sleep(1000L * Math.pow(2, attempt));
                    attempt++;
                    continue;
                }
                throw e;
            }
        }
    }
}

OAuth Scope Requirement: user:write role:write

Step 4: Handle Validation Errors and Publish Metrics

Schema validation errors (400) occur when required fields are missing or format constraints fail. Implement graceful fallbacks by logging the failure, incrementing counters, and continuing the batch. Publish final metrics to a dashboard endpoint.

public class MetricsPublisher {
    private final HttpClient client;
    private final ObjectMapper mapper;
    private final String dashboardUrl;

    public MetricsPublisher(String dashboardUrl) {
        this.client = HttpClient.newHttpClient();
        this.mapper = new ObjectMapper();
        this.dashboardUrl = dashboardUrl;
    }

    public void publish(int successCount, int failureCount, String batchId) throws Exception {
        Map<String, Object> payload = Map.of(
            "batchId", batchId,
            "successCount", successCount,
            "failureCount", failureCount,
            "timestamp", Instant.now().toString()
        );
        String json = mapper.writeValueAsString(payload);

        HttpRequest request = HttpRequest.newBuilder()
            .uri(URI.create(dashboardUrl))
            .header("Content-Type", "application/json")
            .POST(HttpRequest.BodyPublishers.ofString(json))
            .build();

        HttpResponse<String> response = client.send(request, HttpResponse.BodyHandlers.ofString());
        if (response.statusCode() >= 400) {
            System.err.println("Dashboard publish failed: " + response.statusCode());
        }
    }
}

Complete Working Example

The following file combines all components into a single executable class. Replace placeholder credentials and endpoints before execution.

import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.mypurecloud.platform.client.ApiClient;
import com.mypurecloud.platform.client.api.UsersApi;
import com.mypurecloud.platform.client.model.User;
import com.mypurecloud.platform.client.model.UserRoles;
import com.mypurecloud.platform.client.ApiException;
import org.yaml.snakeyaml.Yaml;

import java.io.FileInputStream;
import java.net.URI;
import java.net.http.HttpClient;
import java.net.http.HttpRequest;
import java.net.http.HttpResponse;
import java.net.URLEncoder;
import java.nio.charset.StandardCharsets;
import java.time.Instant;
import java.util.*;
import java.util.concurrent.atomic.AtomicInteger;

public class GenesysRoleProvisioner {
    private static final HttpClient HTTP_CLIENT = HttpClient.newBuilder().build();
    private static final ObjectMapper MAPPER = new ObjectMapper();
    private static final String OAUTH_ENDPOINT = "https://api.mypurecloud.com/oauth/token";
    private static final String GENESYS_USERS_ENDPOINT = "https://api.mypurecloud.com/api/v2/users";

    public static void main(String[] args) {
        try {
            // 1. Load Configuration
            ProvisioningConfig config = new ProvisioningConfig("config.yaml");
            
            // 2. Authenticate
            String token = fetchToken("YOUR_CLIENT_ID", "YOUR_CLIENT_SECRET", "user:write user:read role:read role:write organization:read");
            
            // 3. Fetch SCIM Users
            List<JsonNode> users = fetchScimUsers(config.scimEndpoint, token, 100);
            
            AtomicInteger success = new AtomicInteger(0);
            AtomicInteger failed = new AtomicInteger(0);
            
            // 4. Process Users
            for (JsonNode userNode : users) {
                String email = userNode.get("emails").get(0).get("value").asText();
                String displayName = userNode.get("displayName").asText();
                String groupName = userNode.get("groups").get(0).get("value").asText();
                
                try {
                    String userId = createOrUpdateUser(token, email, displayName);
                    String mappedRole = config.roleMappings.getOrDefault(groupName, config.fallbackRole);
                    assignRole(token, userId, mappedRole);
                    success.incrementAndGet();
                } catch (Exception e) {
                    System.err.println("Failed provisioning user " + email + ": " + e.getMessage());
                    failed.incrementAndGet();
                }
            }
            
            // 5. Publish Metrics
            publishMetrics(config.dashboardEndpoint, success.get(), failed.get());
            
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    private static String fetchToken(String clientId, String clientSecret, String scope) throws Exception {
        String body = String.format("grant_type=client_credentials&client_id=%s&client_secret=%s&scope=%s",
            URLEncoder.encode(clientId, StandardCharsets.UTF_8),
            URLEncoder.encode(clientSecret, StandardCharsets.UTF_8),
            URLEncoder.encode(scope, StandardCharsets.UTF_8));
        
        HttpRequest request = HttpRequest.newBuilder()
            .uri(URI.create(OAUTH_ENDPOINT))
            .header("Content-Type", "application/x-www-form-urlencoded")
            .POST(HttpRequest.BodyPublishers.ofString(body))
            .build();
            
        HttpResponse<String> response = HTTP_CLIENT.send(request, HttpResponse.BodyHandlers.ofString());
        if (response.statusCode() != 200) throw new RuntimeException("OAuth failed: " + response.body());
        return MAPPER.readTree(response.body()).get("access_token").asText();
    }

    private static List<JsonNode> fetchScimUsers(String endpoint, String bearer, int pageSize) throws Exception {
        List<JsonNode> allUsers = new ArrayList<>();
        int startIndex = 1;
        boolean hasMore = true;
        
        while (hasMore) {
            String url = String.format("%s/Users?count=%d&startIndex=%d&filter=active eq true", endpoint, pageSize, startIndex);
            HttpRequest req = HttpRequest.newBuilder()
                .uri(URI.create(url))
                .header("Authorization", "Bearer " + bearer)
                .GET().build();
                
            HttpResponse<String> res = HTTP_CLIENT.send(req, HttpResponse.BodyHandlers.ofString());
            if (res.statusCode() == 429) {
                Thread.sleep(2000); continue;
            }
            if (res.statusCode() != 200) throw new RuntimeException("SCIM error: " + res.statusCode());
            
            JsonNode root = MAPPER.readTree(res.body());
            JsonNode resources = root.get("Resources");
            if (resources != null && resources.isArray()) resources.forEach(allUsers::add);
            
            int total = root.get("totalResults").asInt();
            if (startIndex + pageSize - 1 >= total) hasMore = false;
            else startIndex += pageSize;
        }
        return allUsers;
    }

    private static String createOrUpdateUser(String token, String email, String name) throws Exception {
        // Check if user exists
        HttpRequest searchReq = HttpRequest.newBuilder()
            .uri(URI.create(GENESYS_USERS_ENDPOINT + "?email=" + URLEncoder.encode(email, StandardCharsets.UTF_8) + "&pageSize=1"))
            .header("Authorization", "Bearer " + token)
            .GET().build();
        HttpResponse<String> searchRes = HTTP_CLIENT.send(searchReq, HttpResponse.BodyHandlers.ofString());
        JsonNode searchJson = MAPPER.readTree(searchRes.body());
        
        if (searchJson.get("entities").isArray() && searchJson.get("entities").size() > 0) {
            return searchJson.get("entities").get(0).get("id").asText();
        }
        
        // Create new user
        Map<String, Object> newUser = Map.of("email", email, "name", name, "division", Map.of("id", null));
        String body = MAPPER.writeValueAsString(newUser);
        HttpRequest createReq = HttpRequest.newBuilder()
            .uri(URI.create(GENESYS_USERS_ENDPOINT))
            .header("Authorization", "Bearer " + token)
            .header("Content-Type", "application/json")
            .POST(HttpRequest.BodyPublishers.ofString(body))
            .build();
        HttpResponse<String> createRes = HTTP_CLIENT.send(createReq, HttpResponse.BodyHandlers.ofString());
        if (createRes.statusCode() == 400) {
            throw new RuntimeException("Schema validation failed for " + email + ": " + createRes.body());
        }
        return MAPPER.readTree(createRes.body()).get("id").asText();
    }

    private static void assignRole(String token, String userId, String roleUri) throws Exception {
        String body = "{\"roles\": [\"" + roleUri + "\"]}";
        HttpRequest req = HttpRequest.newBuilder()
            .uri(URI.create(GENESYS_USERS_ENDPOINT + "/" + userId + "/roles"))
            .header("Authorization", "Bearer " + token)
            .header("Content-Type", "application/json")
            .PUT(HttpRequest.BodyPublishers.ofString(body))
            .build();
        HttpResponse<String> res = HTTP_CLIENT.send(req, HttpResponse.BodyHandlers.ofString());
        if (res.statusCode() == 400) {
            throw new RuntimeException("Role assignment validation failed: " + res.body());
        }
        if (res.statusCode() == 429) {
            Thread.sleep(1000);
            assignRole(token, userId, roleUri); // Simple retry
        }
    }

    private static void publishMetrics(String dashboardUrl, int success, int failed) throws Exception {
        Map<String, Object> payload = Map.of("success", success, "failed", failed, "ts", Instant.now().toString());
        HttpRequest req = HttpRequest.newBuilder()
            .uri(URI.create(dashboardUrl))
            .header("Content-Type", "application/json")
            .POST(HttpRequest.BodyPublishers.ofString(MAPPER.writeValueAsString(payload)))
            .build();
        HTTP_CLIENT.send(req, HttpResponse.BodyHandlers.ofString());
    }

    static class ProvisioningConfig {
        public Map<String, String> roleMappings;
        public String fallbackRole;
        public String dashboardEndpoint;
        public String scimEndpoint;
        public ProvisioningConfig(String path) throws Exception {
            Yaml yaml = new Yaml();
            Map<String, Object> data = yaml.load(new FileInputStream(path));
            this.roleMappings = (Map<String, String>) data.get("roleMappings");
            this.fallbackRole = (String) data.get("fallbackRole");
            this.dashboardEndpoint = (String) data.get("dashboardEndpoint");
            this.scimEndpoint = (String) data.get("scimEndpoint");
        }
    }
}

Common Errors & Debugging

Error: 400 Bad Request (Schema Validation)

• What causes it: Missing required fields like email, name, or invalid division ID. Genesys Cloud strictly validates user payloads against the OpenAPI schema.
• How to fix it: Parse the errors array in the response body. Ensure email matches RFC 5322 format and name does not exceed 255 characters. Apply the fallback role or skip the user if the directory data is malformed.
• Code showing the fix: The createOrUpdateUser method catches 400 and throws a descriptive exception. The main loop increments failed and continues processing remaining users.

Error: 401 Unauthorized

• What causes it: Expired OAuth token or missing user:write scope.
• How to fix it: Implement token caching with a 60-second safety margin before expiry. Ensure the OAuth client in Genesys Cloud has the correct scope assignments.
• Code showing the fix: TokenManager tracks tokenExpiry and refreshes proactively.

Error: 429 Too Many Requests

• What causes it: Exceeding Genesys Cloud rate limits (typically 10 requests per second per user API).
• How to fix it: Implement exponential backoff. Pause execution for Retry-After header duration or default to 2 seconds.
• Code showing the fix: assignRole and fetchScimUsers check for 429 and sleep before retrying.

Error: 403 Forbidden

• What causes it: OAuth client lacks required scopes or the organization does not allow programmatic role assignment.
• How to fix it: Verify the OAuth client has role:write and user:write. Confirm the API user has administrative permissions in the Genesys Cloud admin console.

Official References

• Genesys Cloud Users API Documentation
• Genesys Cloud Roles API Documentation
• Genesys Cloud OAuth 2.0 Client Credentials Flow
• Genesys Cloud Java SDK Reference
• SCIM 2.0 Core Schema Specification