Page Comparison

public class CourseServiceImpl
    extends AbstractSiteService
    implements CourseService, ConfigurationNotificationListener, ConfigurationProperties {

    // ...
    private SitePagesAndTools sitePagesAndTools;
    private DynamicServerConfigurationService dynamicServerConfigurationService;

    // Spring DSCS injection
    public void setDynamicServerConfigurationService(DynamicServerConfigurationService dynamicServerConfigurationService) {
        this.dynamicServerConfigurationService = dynamicServerConfigurationService;
    }

    // Spring Bean Init
    public void init() {
	dynamicServerConfigurationService.addNotificationListener(this, SITE_MANAGEMENT_PAGES_AND_TOOLS);
		
	try {
	    sitePagesAndTools = (SitePagesAndTools) dynamicServerConfigurationService.getDynamicObject(SITE_MANAGEMENT_PAGES_AND_TOOLS);
			
	} catch (ConfigurationObjectNotFound e) {
		LOG.error("Was not able to find configuration property");
	} catch (InvalidConfigurationKey e) {
		LOG.error("Provided invalid configuration key");
	}
    }

    // Implementing ConfigurationNotificationListener API: handleNotification
    public void handleNotification(String configurationItemKey) {
	
        try {
            if(SITE_MANAGEMENT_PAGES_AND_TOOLS.equals(configurationItemKey)) {
		sitePagesAndTools = (SitePagesAndTools) dynamicServerConfigurationService.getDynamicObject(SITE_MANAGEMENT_PAGES_AND_TOOLS);
	    }
	} catch (ConfigurationObjectNotFound e) {
	    LOG.error("Was not able to find configuration property for key = " + configurationItemKey);
	} catch (InvalidConfigurationKey e) {
	    LOG.error("Provided invalid configuration key = " + configurationItemKey);
	}
    }
}