Configuration Management

/**
 * Main configuration management class with static access methods
 */
public class Config {
    /**
     * Initialize the configuration system with a custom provider
     * @param configProvider Configuration provider implementation
     */
    public static void init(ConfigProvider configProvider);
    
    /**
     * Create a configuration scope for hierarchical property access
     * @param scope Scope path elements
     * @return Scope instance for property access
     */
    public static Scope scope(String... scope);
    
    /**
     * Get the configured provider for a specific SPI
     * @param spi Service Provider Interface name
     * @return Provider identifier
     */
    public static String getProvider(String spi);
    
    /**
     * Get the admin realm name
     * @return Admin realm identifier
     */
    public static String getAdminRealm();
    
    /**
     * Get the default provider for a specific SPI
     * @param spi Service Provider Interface name
     * @return Default provider identifier
     */
    public static String getDefaultProvider(String spi);
    
    /**
     * Configuration scope interface for property access
     */
    public interface Scope {
        /**
         * Get string property value
         * @param key Property key
         * @return Property value or null if not found
         */
        String get(String key);
        
        /**
         * Get string property value with default
         * @param key Property key
         * @param defaultValue Default value if property not found
         * @return Property value or default value
         */
        String get(String key, String defaultValue);
        
        /**
         * Get string array property value
         * @param key Property key
         * @return Array of property values or empty array if not found
         */
        String[] getArray(String key);
        
        /**
         * Get integer property value
         * @param key Property key
         * @return Integer value or null if not found or not parseable
         */
        Integer getInt(String key);
        
        /**
         * Get integer property value with default
         * @param key Property key
         * @param defaultValue Default value if property not found
         * @return Integer value or default value
         */
        Integer getInt(String key, Integer defaultValue);
        
        /**
         * Get long property value
         * @param key Property key
         * @return Long value or null if not found or not parseable
         */
        Long getLong(String key);
        
        /**
         * Get long property value with default
         * @param key Property key
         * @param defaultValue Default value if property not found
         * @return Long value or default value
         */
        Long getLong(String key, Long defaultValue);
        
        /**
         * Get boolean property value
         * @param key Property key
         * @return Boolean value or null if not found or not parseable
         */
        Boolean getBoolean(String key);
        
        /**
         * Get boolean property value with default
         * @param key Property key
         * @param defaultValue Default value if property not found
         * @return Boolean value or default value
         */
        Boolean getBoolean(String key, Boolean defaultValue);
        
        
        /**
         * Create a child scope
         * @param scope Child scope path elements
         * @return Child Scope instance
         */
        Scope scope(String... scope);
        
        /**
         * Get all property names in this scope
         * @return Set of property names
         */
        Set<String> getPropertyNames();
    }
    
    /**
     * Configuration provider interface for pluggable configuration sources
     */
    public interface ConfigProvider {
        /**
         * Get the configured provider for a specific SPI
         * @param spi Service Provider Interface name
         * @return Provider identifier
         */
        String getProvider(String spi);
        
        /**
         * Get the default provider for a specific SPI
         * @param spi Service Provider Interface name
         * @return Default provider identifier
         */
        String getDefaultProvider(String spi);
        
        /**
         * Create a configuration scope
         * @param scope Scope path elements
         * @return Scope instance
         */
        Scope scope(String... scope);
    }
}

/**
 * Keystore configuration representation
 */
public class KeyStoreConfig {
    /**
     * Check if this is a realm certificate
     * @return true if realm certificate
     */
    public Boolean isRealmCertificate();
    
    /**
     * Set the realm certificate flag
     * @param realmCertificate Realm certificate flag
     */
    public void setRealmCertificate(Boolean realmCertificate);
    
    /**
     * Get the keystore password
     * @return Store password
     */
    public String getStorePassword();
    
    /**
     * Set the keystore password
     * @param storePassword Store password
     */
    public void setStorePassword(String storePassword);
    
    /**
     * Get the key password
     * @return Key password
     */
    public String getKeyPassword();
    
    /**
     * Set the key password
     * @param keyPassword Key password
     */
    public void setKeyPassword(String keyPassword);
    
    /**
     * Get the key alias
     * @return Key alias
     */
    public String getKeyAlias();
    
    /**
     * Set the key alias
     * @param keyAlias Key alias
     */
    public void setKeyAlias(String keyAlias);
    
    /**
     * Get the realm alias
     * @return Realm alias
     */
    public String getRealmAlias();
    
    /**
     * Set the realm alias
     * @param realmAlias Realm alias
     */
    public void setRealmAlias(String realmAlias);
    
    /**
     * Get the keystore format
     * @return Keystore format (e.g., "JKS", "PKCS12")
     */
    public String getFormat();
    
    /**
     * Set the keystore format
     * @param format Keystore format
     */
    public void setFormat(String format);
}

/**
 * Base adapter configuration
 */
public class BaseAdapterConfig {
    /**
     * Get the realm name
     * @return Realm name
     */
    public String getRealm();
    
    /**
     * Set the realm name
     * @param realm Realm name
     */
    public void setRealm(String realm);
    
    /**
     * Get the auth server URL
     * @return Auth server URL
     */
    public String getAuthServerUrl();
    
    /**
     * Set the auth server URL
     * @param authServerUrl Auth server URL
     */
    public void setAuthServerUrl(String authServerUrl);
    
    /**
     * Check if SSL is required
     * @return SSL requirement setting
     */
    public String getSslRequired();
    
    /**
     * Set SSL requirement
     * @param sslRequired SSL requirement setting
     */
    public void setSslRequired(String sslRequired);
    
    /**
     * Get the client ID
     * @return Client identifier
     */
    public String getResource();
    
    /**
     * Set the client ID
     * @param resource Client identifier
     */
    public void setResource(String resource);
    
    /**
     * Check if public client
     * @return true if public client
     */
    public boolean isPublicClient();
    
    /**
     * Set public client flag
     * @param publicClient Public client flag
     */
    public void setPublicClient(boolean publicClient);
    
    /**
     * Get the client credentials
     * @return Map of client credentials
     */
    public Map<String, Object> getCredentials();
    
    /**
     * Set the client credentials
     * @param credentials Map of client credentials
     */
    public void setCredentials(Map<String, Object> credentials);
}

/**
 * Base realm configuration
 */
public class BaseRealmConfig {
    /**
     * Get the realm name
     * @return Realm name
     */
    public String getRealm();
    
    /**
     * Set the realm name
     * @param realm Realm name
     */
    public void setRealm(String realm);
    
    /**
     * Get the realm public key
     * @return Public key string
     */
    public String getRealmKey();
    
    /**
     * Set the realm public key
     * @param realmKey Public key string
     */
    public void setRealmKey(String realmKey);
    
    /**
     * Get the auth server URL
     * @return Auth server URL
     */
    public String getAuthServerUrl();
    
    /**
     * Set the auth server URL
     * @param authServerUrl Auth server URL
     */
    public void setAuthServerUrl(String authServerUrl);
}

/**
 * Adapter HTTP client configuration
 */
public class AdapterHttpClientConfig {
    /**
     * Check if hostname verification is disabled
     * @return true if disabled
     */
    public boolean isDisableTrustManager();
    
    /**
     * Set hostname verification disabled flag
     * @param disableTrustManager Disable flag
     */
    public void setDisableTrustManager(boolean disableTrustManager);
    
    /**
     * Check if trust store is allowed any hostname
     * @return true if any hostname allowed
     */
    public boolean isAllowAnyHostname();
    
    /**
     * Set allow any hostname flag
     * @param allowAnyHostname Allow flag
     */
    public void setAllowAnyHostname(boolean allowAnyHostname);
    
    /**
     * Get the truststore configuration
     * @return KeyStoreConfig for truststore
     */
    public KeyStoreConfig getTruststore();
    
    /**
     * Set the truststore configuration
     * @param truststore KeyStoreConfig for truststore
     */
    public void setTruststore(KeyStoreConfig truststore);
    
    /**
     * Get the client keystore configuration
     * @return KeyStoreConfig for client keystore
     */
    public KeyStoreConfig getClientKeystore();
    
    /**
     * Set the client keystore configuration
     * @param clientKeystore KeyStoreConfig for client keystore
     */
    public void setClientKeystore(KeyStoreConfig clientKeystore);
    
    /**
     * Get the connection pool size
     * @return Connection pool size
     */
    public int getConnectionPoolSize();
    
    /**
     * Set the connection pool size
     * @param connectionPoolSize Connection pool size
     */
    public void setConnectionPoolSize(int connectionPoolSize);
    
    /**
     * Get the connection timeout in milliseconds
     * @return Connection timeout
     */
    public long getConnectionTimeout();
    
    /**
     * Set the connection timeout
     * @param connectionTimeout Connection timeout in milliseconds
     */
    public void setConnectionTimeout(long connectionTimeout);
    
    /**
     * Get the socket timeout in milliseconds
     * @return Socket timeout
     */
    public long getSocketTimeout();
    
    /**
     * Set the socket timeout
     * @param socketTimeout Socket timeout in milliseconds
     */
    public void setSocketTimeout(long socketTimeout);
}

/**
 * Complete adapter configuration with all settings
 */
public class AdapterConfig extends BaseAdapterConfig {
    /**
     * Get the token store type
     * @return Token store type (session, cookie)
     */
    public String getTokenStore();
    
    /**
     * Set the token store type
     * @param tokenStore Token store type
     */
    public void setTokenStore(String tokenStore);
    
    /**
     * Get the principal attribute
     * @return Principal attribute name
     */
    public String getPrincipalAttribute();
    
    /**
     * Set the principal attribute
     * @param principalAttribute Principal attribute name
     */
    public void setPrincipalAttribute(String principalAttribute);
    
    /**
     * Check if bearer-only mode is enabled
     * @return true if bearer-only
     */
    public boolean isBearerOnly();
    
    /**
     * Set bearer-only mode
     * @param bearerOnly Bearer-only flag
     */
    public void setBearerOnly(boolean bearerOnly);
    
    /**
     * Check if CORS is enabled
     * @return true if CORS enabled
     */
    public boolean isEnableCors();
    
    /**
     * Set CORS enabled flag
     * @param enableCors CORS enabled flag
     */
    public void setEnableCors(boolean enableCors);
    
    /**
     * Get CORS max age
     * @return CORS max age in seconds
     */
    public int getCorsMaxAge();
    
    /**
     * Set CORS max age
     * @param corsMaxAge CORS max age in seconds
     */
    public void setCorsMaxAge(int corsMaxAge);
    
    /**
     * Get CORS allowed methods
     * @return CORS allowed methods
     */
    public String getCorsAllowedMethods();
    
    /**
     * Set CORS allowed methods
     * @param corsAllowedMethods CORS allowed methods
     */
    public void setCorsAllowedMethods(String corsAllowedMethods);
    
    /**
     * Get CORS allowed headers
     * @return CORS allowed headers
     */
    public String getCorsAllowedHeaders();
    
    /**
     * Set CORS allowed headers
     * @param corsAllowedHeaders CORS allowed headers
     */
    public void setCorsAllowedHeaders(String corsAllowedHeaders);
    
    /**
     * Check if CORS credentials are exposed
     * @return true if credentials exposed
     */
    public boolean isCorsExposedHeaders();
    
    /**
     * Set CORS credentials exposed flag
     * @param corsExposedHeaders Credentials exposed flag
     */
    public void setCorsExposedHeaders(boolean corsExposedHeaders);
    
    /**
     * Get the HTTP client configuration
     * @return AdapterHttpClientConfig instance
     */
    public AdapterHttpClientConfig getHttpClientConfig();
    
    /**
     * Set the HTTP client configuration
     * @param httpClientConfig AdapterHttpClientConfig instance
     */
    public void setHttpClientConfig(AdapterHttpClientConfig httpClientConfig);
    
    /**
     * Check if always refresh token is enabled
     * @return true if always refresh enabled
     */
    public boolean isAlwaysRefreshToken();
    
    /**
     * Set always refresh token flag
     * @param alwaysRefreshToken Always refresh flag
     */
    public void setAlwaysRefreshToken(boolean alwaysRefreshToken);
    
    /**
     * Check if register node at startup is enabled
     * @return true if register at startup
     */
    public boolean isRegisterNodeAtStartup();
    
    /**
     * Set register node at startup flag
     * @param registerNodeAtStartup Register at startup flag
     */
    public void setRegisterNodeAtStartup(boolean registerNodeAtStartup);
    
    /**
     * Get the register node period in seconds
     * @return Register node period
     */
    public int getRegisterNodePeriod();
    
    /**
     * Set the register node period
     * @param registerNodePeriod Register node period in seconds
     */
    public void setRegisterNodePeriod(int registerNodePeriod);
    
    /**
     * Get the token minimum time to live
     * @return Token minimum TTL in seconds
     */
    public int getTokenMinimumTimeToLive();
    
    /**
     * Set the token minimum time to live
     * @param tokenMinimumTimeToLive Token minimum TTL in seconds
     */
    public void setTokenMinimumTimeToLive(int tokenMinimumTimeToLive);
    
    /**
     * Get the minimum time between JWKS requests
     * @return Minimum time in seconds
     */
    public int getMinTimeBetweenJwksRequests();
    
    /**
     * Set the minimum time between JWKS requests
     * @param minTimeBetweenJwksRequests Minimum time in seconds
     */
    public void setMinTimeBetweenJwksRequests(int minTimeBetweenJwksRequests);
    
    /**
     * Get the public key cache TTL
     * @return Cache TTL in seconds
     */
    public int getPublicKeyCacheTtl();
    
    /**
     * Set the public key cache TTL
     * @param publicKeyCacheTtl Cache TTL in seconds
     */
    public void setPublicKeyCacheTtl(int publicKeyCacheTtl);
}

import org.keycloak.Config;
import org.keycloak.representations.KeyStoreConfig;
import org.keycloak.representations.adapters.config.AdapterConfig;

// Basic configuration access
Config.Scope authScope = Config.scope("authentication");
String defaultProvider = authScope.get("defaultProvider", "password");
boolean loginFormsEnabled = authScope.getBoolean("loginFormsEnabled", true);
int sessionTimeout = authScope.getInt("sessionTimeout", 1800);

// Hierarchical configuration scopes
Config.Scope sslScope = Config.scope("ssl", "truststore");
String truststorePath = sslScope.get("path");
String truststorePassword = sslScope.get("password");

// Database configuration
Config.Scope dbScope = Config.scope("database");
String connectionUrl = dbScope.get("url");
Integer maxPoolSize = dbScope.getInt("maxPoolSize", 20);
String[] additionalJars = dbScope.getArray("additionalJars");

// Provider configuration
String userStorageProvider = Config.getProvider("userStorage");
String themeProvider = Config.getProvider("theme");

// Keystore configuration
KeyStoreConfig keystoreConfig = new KeyStoreConfig();
keystoreConfig.setFile("/path/to/keystore.jks");
keystoreConfig.setPassword("keystorePassword");
keystoreConfig.setFormat("JKS");
keystoreConfig.setAlias("server-key");
keystoreConfig.setKeyPassword("keyPassword");

// Adapter configuration
AdapterConfig adapterConfig = new AdapterConfig();
adapterConfig.setRealm("my-realm");
adapterConfig.setAuthServerUrl("https://auth.example.com");
adapterConfig.setResource("my-client");
adapterConfig.setPublicClient(false);
adapterConfig.setBearerOnly(true);
adapterConfig.setEnableCors(true);
adapterConfig.setCorsMaxAge(3600);
adapterConfig.setTokenMinimumTimeToLive(300);

// HTTP client configuration
AdapterHttpClientConfig httpConfig = new AdapterHttpClientConfig();
httpConfig.setConnectionPoolSize(50);
httpConfig.setConnectionTimeout(5000);
httpConfig.setSocketTimeout(10000);
adapterConfig.setHttpClientConfig(httpConfig);

// Configuration with credentials
Map<String, Object> credentials = new HashMap<>();
credentials.put("secret", "client-secret");
credentials.put("jwt", Map.of(
    "client_id", "my-client",
    "algorithm", "RS256"
));
adapterConfig.setCredentials(credentials);