gistfile1.txt

import org.jasig.cas.services.RegisteredService;

import java.util.Map;

/**
 * An extention to <code>RegisteredService</code> with extra arbitrary attributes
 *
 * @author Dmitriy Kopylenko
 */
public interface RegisteredServiceWithAttributes extends RegisteredService {

    Map<String, Object> getExtraAttributes();

}

/*****************************************************************************************/

import org.jasig.cas.services.RegisteredServiceImpl;

import java.util.HashMap;
import java.util.Map;

/**
 * An extention to <code>RegisteredServiceImpl</code> with extra arbitrary attributes
 *
 * @author Dmitriy Kopylenko
 */
public class RegisteredServiceWithAttributesImpl extends RegisteredServiceImpl implements RegisteredServiceWithAttributes {

    private Map<String, Object> extraAttributes = new HashMap<String, Object>();

    @Override
    public Map<String, Object> getExtraAttributes() {
        return this.extraAttributes;
    }

    public void setExtraAttributes(Map<String, Object> extraAttributes) {
        this.extraAttributes = extraAttributes;
    }
}

/*************************************************************************************************/

import org.jasig.cas.services.ServiceRegistryDao
import org.jasig.cas.services.RegisteredService
import org.jasig.cas.services.InMemoryServiceRegistryDaoImpl
import org.springframework.core.io.Resource
import org.codehaus.jackson.map.ObjectMapper
import org.jasig.cas.services.RegisteredServiceImpl

/**
 * In-memory implementation of <code>ServiceRegistryDao</code> that reads services definition from JSON configuration file at the Spring Application Context
 * initialization time. After un-marshaling services from JSON blob, delegates the storage and retrieval to <code>InMemoryServiceRegistryDaoImpl</code>
 *
 * @author Dmitriy Kopylenko
 */
class JsonServiceRegistryDao implements ServiceRegistryDao {

    InMemoryServiceRegistryDaoImpl delegateServiceRegistryDao = new InMemoryServiceRegistryDaoImpl()

    /**
     * A configuration file containing JSON representation of the Services attributes. REQUIRED.
     */
    Resource servicesConfigFile;

    @Override
    RegisteredService save(RegisteredService registeredService) {
        return this.delegateServiceRegistryDao.save(registeredService)
    }

    @Override
    boolean delete(RegisteredService registeredService) {
        return this.delegateServiceRegistryDao.delete(registeredService)
    }

    @Override
    List<RegisteredService> load() {
        synchronized (this.delegateServiceRegistryDao.registeredServices) {
            init()
            return this.delegateServiceRegistryDao.registeredServices
        }
    }

    @Override
    RegisteredService findServiceById(long id) {
        return this.delegateServiceRegistryDao.findServiceById(id)
    }

    void init() {
        def mapper = new ObjectMapper()
        def servicesCollection = mapper.readValue(servicesConfigFile.file, RegisteredServicesCollection.class)
        this.delegateServiceRegistryDao.registeredServices = servicesCollection.services
    }

    //Here to provide a top level 'container' for Jackson mapper
    static class RegisteredServicesCollection {
        List<RegisteredServiceWithAttributesImpl> services
    }

}

/************************************************************************************************************/

<!--
     In-memory data store for the ServiceRegistry that reads the services definition from /etc/cas/servicesRegistry.conf JSON file
      -->
    <lang:groovy id="serviceRegistryDao"
                 script-source="/WEB-INF/groovy/JsonServiceRegistryDao.groovy"
                 init-method="init">
        <lang:property name="servicesConfigFile" value="file:/etc/cas/servicesRegistry.conf"/>
    </lang:groovy>