Jetty Plus

// Dependency injection and lifecycle management
import org.eclipse.jetty.plus.annotation.Injection;
import org.eclipse.jetty.plus.annotation.InjectionCollection;
import org.eclipse.jetty.plus.annotation.LifeCycleCallback;
import org.eclipse.jetty.plus.annotation.LifeCycleCallbackCollection;
import org.eclipse.jetty.plus.annotation.PostConstructCallback;
import org.eclipse.jetty.plus.annotation.PreDestroyCallback;

// JNDI resource binding
import org.eclipse.jetty.plus.jndi.NamingEntry;
import org.eclipse.jetty.plus.jndi.Resource;
import org.eclipse.jetty.plus.jndi.EnvEntry;
import org.eclipse.jetty.plus.jndi.Link;
import org.eclipse.jetty.plus.jndi.Transaction;
import org.eclipse.jetty.plus.jndi.DataSourceCloser;
import org.eclipse.jetty.plus.jndi.NamingEntryUtil;

// Database security
import org.eclipse.jetty.plus.security.DataSourceLoginService;

import org.eclipse.jetty.plus.jndi.Resource;
import org.eclipse.jetty.plus.annotation.InjectionCollection;
import org.eclipse.jetty.plus.security.DataSourceLoginService;
import javax.sql.DataSource;

// 1. JNDI Resource Binding
// Bind a DataSource to JNDI for application use
DataSource dataSource = // ... your datasource configuration
Resource dsResource = new Resource("jdbc/MyDB", dataSource);

// 2. Dependency Injection Setup
// Configure injection collection for webapp
InjectionCollection injections = new InjectionCollection();
// Add to webapp context as attribute
context.setAttribute(InjectionCollection.INJECTION_COLLECTION, injections);

// 3. Database-backed Authentication
// Configure login service with database
DataSourceLoginService loginService = new DataSourceLoginService("MyRealm");
loginService.setJndiName("jdbc/MyDB");
loginService.setUserTableName("users");
loginService.setUserTableUserField("username");
loginService.setUserTablePasswordField("password");
loginService.setRoleTableName("roles");
server.addBean(loginService);

// Core injection functionality
class Injection {
    Injection(Class<?> clazz, Field field, Class<?> resourceType, String jndiName, String mappingName);
    Injection(Class<?> clazz, Method method, Class<?> arg, Class<?> resourceType, String jndiName, String mappingName);
    void inject(Object injectable);
    Object lookupInjectedValue() throws NamingException;
}

class InjectionCollection {
    void add(Injection injection);
    Set<Injection> getInjections(String className);
    void inject(Object injectable);
}

// Lifecycle management
class LifeCycleCallbackCollection {
    void add(LifeCycleCallback callback);
    void callPostConstructCallback(Object o) throws Exception;
    void callPreDestroyCallback(Object o) throws Exception;
}

// Core JNDI functionality
abstract class NamingEntry {
    void bindToENC(String localName) throws NamingException;
    void unbindENC();
    String getJndiName();
}

class Resource extends NamingEntry {
    Resource(Object scope, String jndiName, Object objToBind) throws NamingException;
    Resource(String jndiName, Object objToBind) throws NamingException;
}

class NamingEntryUtil {
    static boolean bindToENC(Object scope, String asName, String mappedName) throws NamingException;
    static Object lookup(Object scope, String jndiName) throws NamingException;
    static Context getContextForScope(Object scope) throws NamingException;
}

class DataSourceLoginService extends AbstractLoginService {
    DataSourceLoginService();
    DataSourceLoginService(String name);
    
    // Configuration
    void setJndiName(String jndi);
    void setUserTableName(String name);
    void setUserTableUserField(String tableUserField);
    void setUserTablePasswordField(String tablePasswordField);
    void setRoleTableName(String tableName);
    
    // Core authentication
    UserPrincipal loadUserInfo(String username);
    List<RolePrincipal> loadRoleInfo(UserPrincipal user);
}

// Configure JNDI and injection for a webapp
WebAppContext webapp = new WebAppContext();

// Set up injection collection
InjectionCollection injections = new InjectionCollection();
webapp.setAttribute(InjectionCollection.INJECTION_COLLECTION, injections);

// Set up lifecycle callbacks
LifeCycleCallbackCollection callbacks = new LifeCycleCallbackCollection();
webapp.setAttribute(LifeCycleCallbackCollection.LIFECYCLE_CALLBACK_COLLECTION, callbacks);

// Bind JNDI resources
Resource dataSource = new Resource(webapp, "jdbc/MyDB", myDataSource);
EnvEntry maxConnections = new EnvEntry(webapp, "maxConnections", 100);

// Complete enterprise setup combining all features
Server server = new Server();

// Database login service
DataSourceLoginService loginService = new DataSourceLoginService("MyRealm");
loginService.setJndiName("jdbc/SecurityDB");
loginService.setCreateTables(false);
server.addBean(loginService);

// Security handler with database authentication
SecurityHandler security = new SecurityHandler();
security.setLoginService(loginService);

// Webapp with JNDI and injection support
WebAppContext webapp = new WebAppContext();
webapp.setSecurityHandler(security);

// Configure JNDI resources
Resource securityDB = new Resource("jdbc/SecurityDB", createSecurityDataSource());
Resource appDB = new Resource("jdbc/AppDB", createApplicationDataSource());

// Transaction support
Transaction.bindTransactionToENC(webapp.toString());