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"""
Java module system (Jigsaw) parsing testing.
Tests module declarations, exports, requires, provides/uses,
module-info.java files, and modular application structure.
"""
from pathlib import Path
from unittest.mock import MagicMock
import pytest
from codebase_rag.graph_updater import GraphUpdater
from codebase_rag.parser_loader import load_parsers
@pytest.fixture
def java_modules_project(temp_repo: Path) -> Path:
"""Create a Java project for testing module system."""
project_path = temp_repo / "java_modules_test"
project_path.mkdir()
# Create modular Java project structure
(project_path / "src").mkdir()
# Core module
(project_path / "src" / "core.module").mkdir()
(project_path / "src" / "core.module" / "com").mkdir()
(project_path / "src" / "core.module" / "com" / "example").mkdir()
(project_path / "src" / "core.module" / "com" / "example" / "core").mkdir()
# API module
(project_path / "src" / "api.module").mkdir()
(project_path / "src" / "api.module" / "com").mkdir()
(project_path / "src" / "api.module" / "com" / "example").mkdir()
(project_path / "src" / "api.module" / "com" / "example" / "api").mkdir()
# Service module
(project_path / "src" / "service.module").mkdir()
(project_path / "src" / "service.module" / "com").mkdir()
(project_path / "src" / "service.module" / "com" / "example").mkdir()
(project_path / "src" / "service.module" / "com" / "example" / "service").mkdir()
return project_path
def test_module_info_declarations(
java_modules_project: Path,
mock_ingestor: MagicMock,
) -> None:
"""Test module-info.java declarations."""
# Core module-info.java
core_module_info = java_modules_project / "src" / "core.module" / "module-info.java"
core_module_info.write_text(
"""
/**
* Core module providing fundamental utilities and data structures.
* This module exports core functionality to other modules.
*/
module com.example.core {
// Export packages to all modules
exports com.example.core.utils;
exports com.example.core.data;
// Qualified exports - only to specific modules
exports com.example.core.internal to com.example.service, com.example.api;
// Requires other modules
requires java.base; // implicit, but can be explicit
requires java.logging;
requires transitive java.desktop; // transitive dependency
// Optional dependencies
requires static java.compiler; // optional at runtime
requires static jdk.compiler; // compile-time only
// Service provider interface
provides com.example.core.spi.DataProcessor
with com.example.core.impl.DefaultDataProcessor,
com.example.core.impl.FastDataProcessor;
// Service consumer
uses com.example.core.spi.ConfigurationProvider;
uses com.example.core.spi.LoggingProvider;
// Open packages for reflection
opens com.example.core.model to java.base, java.logging;
opens com.example.core.config; // to all modules
}
"""
)
# API module-info.java
api_module_info = java_modules_project / "src" / "api.module" / "module-info.java"
api_module_info.write_text(
"""
/**
* API module defining interfaces and contracts.
*/
module com.example.api {
// Export API packages
exports com.example.api.interfaces;
exports com.example.api.dto;
exports com.example.api.exceptions;
// Require core module transitively
requires transitive com.example.core;
requires java.base;
// HTTP client for API operations
requires java.net.http;
// JSON processing
requires static com.fasterxml.jackson.core;
requires static com.fasterxml.jackson.databind;
// Service definitions
provides com.example.api.spi.ApiProvider
with com.example.api.impl.RestApiProvider,
com.example.api.impl.GraphQLApiProvider;
uses com.example.api.spi.AuthenticationProvider;
uses com.example.core.spi.DataProcessor;
// Open for serialization frameworks
opens com.example.api.dto to com.fasterxml.jackson.databind;
opens com.example.api.model;
}
"""
)
# Service module-info.java
service_module_info = (
java_modules_project / "src" / "service.module" / "module-info.java"
)
service_module_info.write_text(
"""
/**
* Service implementation module.
*/
module com.example.service {
// Require dependencies
requires com.example.core;
requires com.example.api;
requires java.base;
requires java.sql;
requires java.naming;
// Database connectivity
requires transitive java.sql.rowset;
requires static mysql.connector.java;
requires static postgresql.jdbc;
// Dependency injection framework
requires static spring.core;
requires static spring.context;
requires static spring.beans;
// Export service packages
exports com.example.service.business;
exports com.example.service.repository to com.example.web, com.example.batch;
// Service implementations
provides com.example.api.spi.UserService
with com.example.service.impl.DatabaseUserService;
provides com.example.core.spi.ConfigurationProvider
with com.example.service.config.PropertyFileConfigProvider,
com.example.service.config.DatabaseConfigProvider;
// Consume services
uses com.example.api.spi.AuthenticationProvider;
uses javax.sql.DataSource;
// Open for frameworks
opens com.example.service.entity to
hibernate.core,
spring.core,
com.fasterxml.jackson.databind;
opens com.example.service.config;
}
"""
)
parsers, queries = load_parsers()
if "java" not in parsers:
pytest.skip("Java parser not available")
updater = GraphUpdater(
ingestor=mock_ingestor,
repo_path=java_modules_project,
parsers=parsers,
queries=queries,
)
updater.run()
# Verify module-info files were processed (they should be detected as regular files)
# Since module-info.java files are special, they might not be parsed as regular classes
# but we can verify the parsing didn't fail
assert True # Basic verification that parsing completed without errors
def test_service_provider_interface(
java_modules_project: Path,
mock_ingestor: MagicMock,
) -> None:
"""Test Java service provider interface patterns."""
# Service interface in core module
spi_file = (
java_modules_project
/ "src"
/ "core.module"
/ "com"
/ "example"
/ "core"
/ "ServiceProviderInterface.java"
)
spi_file.write_text(
"""
package com.example.core.spi;
import java.util.ServiceLoader;
import java.util.stream.Stream;
import java.util.List;
import java.util.Optional;
// Service Provider Interface
public interface DataProcessor {
String process(String data);
boolean supports(String dataType);
int priority();
default String getName() {
return getClass().getSimpleName();
}
}
// Configuration provider SPI
public interface ConfigurationProvider {
Optional<String> getProperty(String key);
void setProperty(String key, String value);
void reload();
default boolean hasProperty(String key) {
return getProperty(key).isPresent();
}
}
// Logging provider SPI
public interface LoggingProvider {
void log(Level level, String message);
void log(Level level, String message, Throwable throwable);
boolean isEnabled(Level level);
enum Level {
TRACE, DEBUG, INFO, WARN, ERROR
}
}
// Service discovery utility
public final class ServiceDiscovery {
private ServiceDiscovery() {
// Utility class
}
// Discover all implementations of a service
public static <T> Stream<T> discover(Class<T> serviceType) {
return ServiceLoader.load(serviceType)
.stream()
.map(ServiceLoader.Provider::get);
}
// Find best implementation based on priority
public static Optional<DataProcessor> findBestProcessor(String dataType) {
return discover(DataProcessor.class)
.filter(processor -> processor.supports(dataType))
.max((p1, p2) -> Integer.compare(p1.priority(), p2.priority()));
}
// Get all configuration providers
public static List<ConfigurationProvider> getAllConfigProviders() {
return discover(ConfigurationProvider.class).toList();
}
// Load specific service by module
public static <T> Stream<T> discoverInModule(Class<T> serviceType, ModuleLayer layer) {
return ServiceLoader.load(layer, serviceType)
.stream()
.map(ServiceLoader.Provider::get);
}
}
// Service registry for dynamic management
public class ServiceRegistry {
private final Map<Class<?>, Set<Object>> services = new ConcurrentHashMap<>();
public <T> void register(Class<T> serviceType, T implementation) {
services.computeIfAbsent(serviceType, k -> ConcurrentHashMap.newKeySet())
.add(implementation);
}
public <T> void unregister(Class<T> serviceType, T implementation) {
Set<Object> impls = services.get(serviceType);
if (impls != null) {
impls.remove(implementation);
if (impls.isEmpty()) {
services.remove(serviceType);
}
}
}
@SuppressWarnings("unchecked")
public <T> Stream<T> getServices(Class<T> serviceType) {
return services.getOrDefault(serviceType, Set.of())
.stream()
.map(serviceType::cast);
}
}
"""
)
# Service implementations in core module
impl_file = (
java_modules_project
/ "src"
/ "core.module"
/ "com"
/ "example"
/ "core"
/ "ServiceImplementations.java"
)
impl_file.write_text(
"""
package com.example.core.impl;
import com.example.core.spi.*;
import java.util.concurrent.ConcurrentHashMap;
import java.util.Map;
import java.util.Optional;
// Default data processor implementation
public class DefaultDataProcessor implements DataProcessor {
@Override
public String process(String data) {
if (data == null) {
return "";
}
return data.trim().toLowerCase();
}
@Override
public boolean supports(String dataType) {
return "text".equals(dataType) || "string".equals(dataType);
}
@Override
public int priority() {
return 1; // Low priority
}
}
// Fast data processor implementation
public class FastDataProcessor implements DataProcessor {
@Override
public String process(String data) {
return data != null ? data.intern() : "";
}
@Override
public boolean supports(String dataType) {
return "text".equals(dataType);
}
@Override
public int priority() {
return 10; // High priority
}
}
// XML data processor
public class XmlDataProcessor implements DataProcessor {
@Override
public String process(String data) {
if (data == null || data.isEmpty()) {
return "<empty/>";
}
return "<data>" + data.trim() + "</data>";
}
@Override
public boolean supports(String dataType) {
return "xml".equals(dataType);
}
@Override
public int priority() {
return 5;
}
}
// Property file configuration provider
public class PropertyFileConfigProvider implements ConfigurationProvider {
private final Map<String, String> properties = new ConcurrentHashMap<>();
private final String configFile;
public PropertyFileConfigProvider() {
this("application.properties");
}
public PropertyFileConfigProvider(String configFile) {
this.configFile = configFile;
loadProperties();
}
@Override
public Optional<String> getProperty(String key) {
return Optional.ofNullable(properties.get(key));
}
@Override
public void setProperty(String key, String value) {
if (value == null) {
properties.remove(key);
} else {
properties.put(key, value);
}
}
@Override
public void reload() {
properties.clear();
loadProperties();
}
private void loadProperties() {
// Simulate loading from file
properties.put("app.name", "ModularApp");
properties.put("app.version", "1.0");
properties.put("database.url", "jdbc:h2:mem:testdb");
}
}
// Environment variable configuration provider
public class EnvironmentConfigProvider implements ConfigurationProvider {
@Override
public Optional<String> getProperty(String key) {
return Optional.ofNullable(System.getenv(key));
}
@Override
public void setProperty(String key, String value) {
throw new UnsupportedOperationException("Cannot set environment variables");
}
@Override
public void reload() {
// Environment variables are always current
}
}
// Console logging provider
public class ConsoleLoggingProvider implements LoggingProvider {
@Override
public void log(Level level, String message) {
System.out.println(formatMessage(level, message));
}
@Override
public void log(Level level, String message, Throwable throwable) {
System.out.println(formatMessage(level, message));
throwable.printStackTrace();
}
@Override
public boolean isEnabled(Level level) {
return level.ordinal() >= Level.INFO.ordinal();
}
private String formatMessage(Level level, String message) {
return String.format("[%s] %s: %s",
java.time.LocalDateTime.now(), level, message);
}
}
"""
)
parsers, queries = load_parsers()
if "java" not in parsers:
pytest.skip("Java parser not available")
updater = GraphUpdater(
ingestor=mock_ingestor,
repo_path=java_modules_project,
parsers=parsers,
queries=queries,
)
updater.run()
# Verify service interfaces and implementations were detected
project_name = java_modules_project.name
all_calls = mock_ingestor.ensure_node_batch.call_args_list
class_calls = [call for call in all_calls if call[0][0] == "Class"]
interface_calls = [call for call in all_calls if call[0][0] == "Interface"]
created_classes = {call[0][1]["qualified_name"] for call in class_calls}
created_interfaces = {call[0][1]["qualified_name"] for call in interface_calls}
# Expected interfaces
expected_interfaces = {
f"{project_name}.src.core.module.com.example.core.ServiceProviderInterface.DataProcessor",
f"{project_name}.src.core.module.com.example.core.ServiceProviderInterface.ConfigurationProvider",
f"{project_name}.src.core.module.com.example.core.ServiceProviderInterface.LoggingProvider",
}
# Expected classes
expected_classes = {
f"{project_name}.src.core.module.com.example.core.ServiceProviderInterface.ServiceDiscovery",
f"{project_name}.src.core.module.com.example.core.ServiceProviderInterface.ServiceRegistry",
f"{project_name}.src.core.module.com.example.core.ServiceImplementations.DefaultDataProcessor",
f"{project_name}.src.core.module.com.example.core.ServiceImplementations.FastDataProcessor",
f"{project_name}.src.core.module.com.example.core.ServiceImplementations.XmlDataProcessor",
f"{project_name}.src.core.module.com.example.core.ServiceImplementations.PropertyFileConfigProvider",
f"{project_name}.src.core.module.com.example.core.ServiceImplementations.EnvironmentConfigProvider",
f"{project_name}.src.core.module.com.example.core.ServiceImplementations.ConsoleLoggingProvider",
}
missing_interfaces = expected_interfaces - created_interfaces
missing_classes = expected_classes - created_classes
assert not missing_interfaces, (
f"Missing expected interfaces: {sorted(list(missing_interfaces))}"
)
assert not missing_classes, (
f"Missing expected classes: {sorted(list(missing_classes))}"
)
def test_module_layer_and_configuration(
java_modules_project: Path,
mock_ingestor: MagicMock,
) -> None:
"""Test module layer and configuration APIs."""
test_file = (
java_modules_project
/ "src"
/ "core.module"
/ "com"
/ "example"
/ "core"
/ "ModuleConfiguration.java"
)
test_file.write_text(
"""
package com.example.core.module;
import java.lang.module.*;
import java.util.*;
import java.util.stream.Collectors;
// Module configuration and introspection
public class ModuleConfiguration {
// Get current module information
public void inspectCurrentModule() {
Module currentModule = getClass().getModule();
System.out.println("Module name: " + currentModule.getName());
System.out.println("Is named: " + currentModule.isNamed());
System.out.println("Descriptor: " + currentModule.getDescriptor());
// Module layer information
ModuleLayer layer = currentModule.getLayer();
if (layer != null) {
System.out.println("Layer: " + layer);
System.out.println("Parent layers: " + layer.parents());
}
// Module annotations
System.out.println("Annotations: " + Arrays.toString(currentModule.getAnnotations()));
}
// Analyze module dependencies
public void analyzeModuleDependencies() {
Module currentModule = getClass().getModule();
ModuleDescriptor descriptor = currentModule.getDescriptor();
if (descriptor != null) {
// Required modules
Set<ModuleDescriptor.Requires> requires = descriptor.requires();
System.out.println("Required modules:");
for (ModuleDescriptor.Requires req : requires) {
System.out.println(" " + req.name() +
" (modifiers: " + req.modifiers() + ")");
}
// Exported packages
Set<ModuleDescriptor.Exports> exports = descriptor.exports();
System.out.println("Exported packages:");
for (ModuleDescriptor.Exports export : exports) {
System.out.println(" " + export.source() +
" -> " + export.targets());
}
// Service provides
Set<ModuleDescriptor.Provides> provides = descriptor.provides();
System.out.println("Service provides:");
for (ModuleDescriptor.Provides provide : provides) {
System.out.println(" " + provide.service() +
" with " + provide.providers());
}
// Service uses
Set<String> uses = descriptor.uses();
System.out.println("Service uses: " + uses);
// Open packages
Set<ModuleDescriptor.Opens> opens = descriptor.opens();
System.out.println("Open packages:");
for (ModuleDescriptor.Opens open : opens) {
System.out.println(" " + open.source() +
" to " + open.targets());
}
}
}
// Create custom module layer
public ModuleLayer createCustomLayer(Path... modulePaths) throws Exception {
ModuleFinder finder = ModuleFinder.of(modulePaths);
// Find all modules
Set<String> moduleNames = finder.findAll()
.stream()
.map(ref -> ref.descriptor().name())
.collect(Collectors.toSet());
// Create configuration
Configuration config = ModuleLayer.boot()
.configuration()
.resolve(finder, ModuleFinder.of(), moduleNames);
// Create layer
ClassLoader systemClassLoader = ClassLoader.getSystemClassLoader();
ModuleLayer layer = ModuleLayer.boot()
.defineModulesWithOneLoader(config, systemClassLoader);
return layer;
}
// Module reflection and access
public void demonstrateModuleReflection() {
Module currentModule = getClass().getModule();
// Check if package is exported
String packageName = getClass().getPackageName();
boolean isExported = currentModule.isExported(packageName);
System.out.println("Package " + packageName + " is exported: " + isExported);
// Check if package is open
boolean isOpen = currentModule.isOpen(packageName);
System.out.println("Package " + packageName + " is open: " + isOpen);
// Get all packages
Set<String> packages = currentModule.getPackages();
System.out.println("All packages: " + packages);
// Module reads relationship
Module baseModule = Object.class.getModule();
boolean canRead = currentModule.canRead(baseModule);
System.out.println("Can read java.base: " + canRead);
}
// Dynamic module configuration
public void configureDynamicModule() {
Module currentModule = getClass().getModule();
Module targetModule = String.class.getModule(); // java.base
// Add reads (if permitted)
try {
if (!currentModule.canRead(targetModule)) {
// This would typically be done by the module system
// currentModule.addReads(targetModule);
System.out.println("Added read to " + targetModule.getName());
}
} catch (Exception e) {
System.err.println("Cannot add reads: " + e.getMessage());
}
// Add exports (if permitted)
try {
String packageName = getClass().getPackageName();
if (!currentModule.isExported(packageName, targetModule)) {
// currentModule.addExports(packageName, targetModule);
System.out.println("Added export of " + packageName);
}
} catch (Exception e) {
System.err.println("Cannot add exports: " + e.getMessage());
}
}
// Module finder utilities
public static class ModuleFinderUtils {
public static Set<ModuleReference> findAllModules(Path... paths) {
return ModuleFinder.of(paths).findAll();
}
public static Optional<ModuleReference> findModule(String moduleName, Path... paths) {
return ModuleFinder.of(paths).find(moduleName);
}
public static Set<String> getModuleNames(Path... paths) {
return ModuleFinder.of(paths)
.findAll()
.stream()
.map(ref -> ref.descriptor().name())
.collect(Collectors.toSet());
}
public static void printModuleInfo(ModuleReference moduleRef) {
ModuleDescriptor desc = moduleRef.descriptor();
System.out.println("Module: " + desc.name());
System.out.println(" Version: " + desc.version().orElse(null));
System.out.println(" Requires: " + desc.requires().stream()
.map(ModuleDescriptor.Requires::name)
.collect(Collectors.joining(", ")));
System.out.println(" Exports: " + desc.exports().stream()
.map(ModuleDescriptor.Exports::source)
.collect(Collectors.joining(", ")));
}
}
// Configuration utilities
public static class ConfigurationUtils {
public static Configuration resolveConfiguration(
ModuleFinder beforeFinder,
ModuleFinder afterFinder,
Collection<String> roots) {
return Configuration.empty()
.resolve(beforeFinder, afterFinder, roots);
}
public static Set<String> findMissingDependencies(Configuration config) {
// This would analyze the configuration for missing dependencies
return config.modules().stream()
.flatMap(resolvedModule -> resolvedModule.reference().descriptor().requires().stream())
.map(ModuleDescriptor.Requires::name)
.filter(name -> config.findModule(name).isEmpty())
.collect(Collectors.toSet());
}
}
// Boot layer utilities
public void inspectBootLayer() {
ModuleLayer bootLayer = ModuleLayer.boot();
System.out.println("Boot layer configuration:");
Configuration config = bootLayer.configuration();
Set<ResolvedModule> modules = config.modules();
System.out.println("Boot layer has " + modules.size() + " modules:");
for (ResolvedModule module : modules) {
System.out.println(" " + module.name());
// Print dependencies
Set<ResolvedModule> dependencies = module.reads();
if (!dependencies.isEmpty()) {
System.out.println(" Reads: " + dependencies.stream()
.map(ResolvedModule::name)
.collect(Collectors.joining(", ")));
}
}
// Check specific modules
Optional<Module> baseModule = bootLayer.findModule("java.base");
System.out.println("java.base present: " + baseModule.isPresent());
Optional<Module> loggingModule = bootLayer.findModule("java.logging");
System.out.println("java.logging present: " + loggingModule.isPresent());
}
}
"""
)
parsers, queries = load_parsers()
if "java" not in parsers:
pytest.skip("Java parser not available")
updater = GraphUpdater(
ingestor=mock_ingestor,
repo_path=java_modules_project,
parsers=parsers,
queries=queries,
)
updater.run()
# Verify the classes were detected
project_name = java_modules_project.name
class_calls = [
call
for call in mock_ingestor.ensure_node_batch.call_args_list
if call[0][0] == "Class"
]
created_classes = {call[0][1]["qualified_name"] for call in class_calls}
expected_classes = {
f"{project_name}.src.core.module.com.example.core.ModuleConfiguration.ModuleConfiguration",
f"{project_name}.src.core.module.com.example.core.ModuleConfiguration.ModuleConfiguration.ModuleFinderUtils",
f"{project_name}.src.core.module.com.example.core.ModuleConfiguration.ModuleConfiguration.ConfigurationUtils",
}
missing_classes = expected_classes - created_classes
assert not missing_classes, (
f"Missing expected classes: {sorted(list(missing_classes))}"
)
def test_modular_application_structure(
java_modules_project: Path,
mock_ingestor: MagicMock,
) -> None:
"""Test modular application structure and cross-module dependencies."""
# API module classes
api_file = (
java_modules_project
/ "src"
/ "api.module"
/ "com"
/ "example"
/ "api"
/ "UserAPI.java"
)
api_file.write_text(
"""
package com.example.api.interfaces;
import com.example.core.spi.DataProcessor;
import java.util.List;
import java.util.Optional;
import java.util.concurrent.CompletableFuture;
// User management API
public interface UserService {
CompletableFuture<User> createUser(CreateUserRequest request);
CompletableFuture<Optional<User>> findUserById(String userId);
CompletableFuture<List<User>> findUsersByEmail(String email);
CompletableFuture<Void> updateUser(String userId, UpdateUserRequest request);
CompletableFuture<Void> deleteUser(String userId);
CompletableFuture<List<User>> searchUsers(SearchCriteria criteria);
}
// Authentication API
public interface AuthenticationService {
CompletableFuture<AuthenticationResult> authenticate(Credentials credentials);
CompletableFuture<Void> logout(String sessionId);
CompletableFuture<Boolean> validateSession(String sessionId);
CompletableFuture<RefreshResult> refreshToken(String refreshToken);
}
// Data Transfer Objects
package com.example.api.dto;
import java.time.LocalDateTime;
import java.util.Set;
public record User(
String id,
String email,
String firstName,
String lastName,
Set<String> roles,
LocalDateTime createdAt,
LocalDateTime lastLoginAt,
boolean active
) {
// Validation in compact constructor
public User {
if (email == null || !email.contains("@")) {
throw new IllegalArgumentException("Invalid email");
}
if (firstName == null || firstName.trim().isEmpty()) {
throw new IllegalArgumentException("First name is required");
}
}
public String getFullName() {
return firstName + " " + lastName;
}
public boolean hasRole(String role) {
return roles.contains(role);
}
}
public record CreateUserRequest(
String email,
String firstName,
String lastName,
String password,
Set<String> roles
) {
public CreateUserRequest {
if (email == null || !email.matches("\\\\S+@\\\\S+\\\\.\\\\S+")) {
throw new IllegalArgumentException("Invalid email format");
}
if (password == null || password.length() < 8) {
throw new IllegalArgumentException("Password must be at least 8 characters");
}
if (roles == null) {
roles = Set.of("USER");
}
}
}
public record UpdateUserRequest(
Optional<String> firstName,
Optional<String> lastName,
Optional<Set<String>> roles,
Optional<Boolean> active
) {}
public record SearchCriteria(
Optional<String> emailPattern,
Optional<String> namePattern,
Optional<Set<String>> roles,
Optional<Boolean> active,
int offset,
int limit
) {
public SearchCriteria {
if (offset < 0) {
throw new IllegalArgumentException("Offset cannot be negative");
}
if (limit <= 0 || limit > 1000) {
throw new IllegalArgumentException("Limit must be between 1 and 1000");
}
}
}
public record Credentials(String email, String password) {
public Credentials {
if (email == null || password == null) {
throw new IllegalArgumentException("Email and password are required");
}
}
}
public record AuthenticationResult(
boolean success,
Optional<String> sessionId,
Optional<String> accessToken,
Optional<String> refreshToken,
Optional<User> user,
Optional<String> errorMessage
) {}
public record RefreshResult(
boolean success,
Optional<String> newAccessToken,
Optional<String> errorMessage
) {}
// Exception classes
package com.example.api.exceptions;
public class UserNotFoundException extends Exception {
public UserNotFoundException(String userId) {
super("User not found: " + userId);
}
}
public class UserAlreadyExistsException extends Exception {
public UserAlreadyExistsException(String email) {
super("User already exists with email: " + email);
}
}
public class AuthenticationException extends Exception {
public AuthenticationException(String message) {
super(message);
}
public AuthenticationException(String message, Throwable cause) {
super(message, cause);
}