UaaRelatedComponentRegistrationHelper.java

package org.springframework.roo.uaa;

import java.util.HashSet;
import java.util.Hashtable;
import java.util.Set;

import org.apache.felix.scr.annotations.Component;
import org.osgi.framework.ServiceRegistration;
import org.osgi.service.component.ComponentContext;
import org.springframework.uaa.client.ProxyService;
import org.springframework.uaa.client.UaaDetectedProducts;
import org.springframework.uaa.client.UaaService;
import org.springframework.uaa.client.UaaServiceFactory;

/**
 * Registers various UAA-provided instances as OSGi components. This uses the
 * UAA factories and conventions, plus simplifies replacement by STS.
 * 
 * @author Ben Alex
 * @since 1.1.1
 */
@Component
public class UaaRelatedComponentRegistrationHelper {

    private final Set<ServiceRegistration> registrations = new HashSet<ServiceRegistration>();

    protected void activate(final ComponentContext context) {
        registrations.add(context.getBundleContext().registerService(
                UaaService.class.getName(), UaaServiceFactory.getUaaService(),
                new Hashtable<Object, Object>()));
        registrations.add(context.getBundleContext().registerService(
                UaaDetectedProducts.class.getName(),
                UaaServiceFactory.getUaaDetectedProducts(),
                new Hashtable<Object, Object>()));
        registrations.add(context.getBundleContext().registerService(
                ProxyService.class.getName(),
                UaaServiceFactory.getProxyService(),
                new Hashtable<Object, Object>()));
    }

    protected void deactivate(final ComponentContext context) {
        for (final ServiceRegistration registration : registrations) {
            registration.unregister();
        }
    }
}