Java Code Examples for org.springframework.context.ApplicationContext#containsBean()

The following examples show how to use org.springframework.context.ApplicationContext#containsBean() . These examples are extracted from open source projects. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source Project: red5-server-common   File: ScopeUtils.java    License: Apache License 2.0 6 votes vote down vote up
/**
 * Returns scope services (e.g. SharedObject, etc) for the scope. Method uses either bean name passes as a string or class object.
 *
 * @param scope
 *            The scope service belongs to
 * @param name
 *            Bean name
 * @param defaultClass
 *            Class of service
 * @return Service object
 */
protected static Object getScopeService(IScope scope, String name, Class<?> defaultClass) {
    if (scope != null) {
        final IContext context = scope.getContext();
        ApplicationContext appCtx = context.getApplicationContext();
        Object result;
        if (!appCtx.containsBean(name)) {
            if (defaultClass == null) {
                return null;
            }
            try {
                result = defaultClass.getDeclaredConstructor().newInstance();
            } catch (Exception e) {
                log.error("{}", e);
                return null;
            }
        } else {
            result = appCtx.getBean(name);
        }
        return result;
    }
    return null;
}
 
Example 2
@Override
public View resolveViewName(String viewName, Locale locale) throws BeansException {
	ApplicationContext context = getApplicationContext();
	if (!context.containsBean(viewName)) {
		if (logger.isDebugEnabled()) {
			logger.debug("No matching bean found for view name '" + viewName + "'");
		}
		// Allow for ViewResolver chaining...
		return null;
	}
	if (!context.isTypeMatch(viewName, View.class)) {
		if (logger.isDebugEnabled()) {
			logger.debug("Found matching bean for view name '" + viewName +
					"' - to be ignored since it does not implement View");
		}
		// Since we're looking into the general ApplicationContext here,
		// let's accept this as a non-match and allow for chaining as well...
		return null;
	}
	return context.getBean(viewName, View.class);
}
 
Example 3
@Override
public View resolveViewName(String viewName, Locale locale) throws BeansException {
	ApplicationContext context = getApplicationContext();
	if (!context.containsBean(viewName)) {
		if (logger.isDebugEnabled()) {
			logger.debug("No matching bean found for view name '" + viewName + "'");
		}
		// Allow for ViewResolver chaining...
		return null;
	}
	if (!context.isTypeMatch(viewName, View.class)) {
		if (logger.isDebugEnabled()) {
			logger.debug("Found matching bean for view name '" + viewName +
					"' - to be ignored since it does not implement View");
		}
		// Since we're looking into the general ApplicationContext here,
		// let's accept this as a non-match and allow for chaining as well...
		return null;
	}
	return context.getBean(viewName, View.class);
}
 
Example 4
Source Project: spring-analysis-note   File: AbstractView.java    License: MIT License 5 votes vote down vote up
/**
 * Return the {@link RequestDataValueProcessor} to use.
 * <p>The default implementation looks in the {@link #getApplicationContext()
 * Spring configuration} for a {@code RequestDataValueProcessor} bean with
 * the name {@link #REQUEST_DATA_VALUE_PROCESSOR_BEAN_NAME}.
 * @return the RequestDataValueProcessor, or null if there is none at the
 * application context.
 */
@Nullable
protected RequestDataValueProcessor getRequestDataValueProcessor() {
	ApplicationContext context = getApplicationContext();
	if (context != null && context.containsBean(REQUEST_DATA_VALUE_PROCESSOR_BEAN_NAME)) {
		return context.getBean(REQUEST_DATA_VALUE_PROCESSOR_BEAN_NAME, RequestDataValueProcessor.class);
	}
	return null;
}
 
Example 5
private Validator getConfigurationPropertiesValidator(
        ApplicationContext applicationContext, String validatorBeanName) {
    if (applicationContext.containsBean(validatorBeanName)) {
        return applicationContext.getBean(validatorBeanName, Validator.class);
    }
    return null;
}
 
Example 6
/**
 * Loads this executor into the ApplicationContext, if it
 *  isn't already there
 */
public static void registerIfNeeded(ApplicationContext ctx)
{
   if(!ctx.containsBean(ENGINE_NAME))
   {
      // Create, and do dependencies
      DummyHelloWorldRenditionEngine hw = new DummyHelloWorldRenditionEngine();
      hw.setRuntimeActionService(
            (RuntimeActionService)ctx.getBean("actionService")
      );
      hw.setNodeService(
            (NodeService)ctx.getBean("NodeService")
      );
      hw.setContentService(
            (ContentService)ctx.getBean("ContentService")
      );
      hw.setRenditionService(
            (RenditionService)ctx.getBean("RenditionService")
      );
      hw.setBehaviourFilter(
            (BehaviourFilter)ctx.getBean("policyBehaviourFilter")
      );
      hw.setRenditionLocationResolver(
            (RenditionLocationResolver)ctx.getBean("renditionLocationResolver")
      );
      
      // Register
       ((ConfigurableApplicationContext) ctx).getBeanFactory().registerSingleton(
            ENGINE_NAME, hw
      );
      hw.init();
   }
}
 
Example 7
/**
* Loads this executor into the ApplicationContext, if it isn't already there
*/
public static void registerIfNeeded(ApplicationContext ctx)
{
    if (!ctx.containsBean(SleepActionExecuter.NAME))
    {
        // Create, and do dependencies
        SleepActionExecuter executor = new SleepActionExecuter();
        executor.setTrackStatus(true);
        executor.actionTrackingService = (ActionTrackingService) ctx.getBean("actionTrackingService");
        // Register
        ((ConfigurableApplicationContext) ctx).getBeanFactory().registerSingleton(SleepActionExecuter.NAME, executor);
    }
}
 
Example 8
Source Project: urule   File: KnowledgeServiceImpl.java    License: Apache License 2.0 5 votes vote down vote up
@Override
public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
	boolean hasBean=applicationContext.containsBean(KnowledgePackageService.BEAN_ID);
	if(hasBean){
		knowledgePackageService=(KnowledgePackageService)applicationContext.getBean(KnowledgePackageService.BEAN_ID);		
	}
}
 
Example 9
Source Project: dubbox   File: SpringExtensionFactory.java    License: Apache License 2.0 5 votes vote down vote up
@SuppressWarnings("unchecked")
public <T> T getExtension(Class<T> type, String name) {
    for (ApplicationContext context : contexts) {
        if (context.containsBean(name)) {
            Object bean = context.getBean(name);
            if (type.isInstance(bean)) {
                return (T) bean;
            }
        }
    }
    return null;
}
 
Example 10
@SuppressWarnings("unchecked")
public <T> T getExtension(Class<T> type, String name) {
    for (ApplicationContext context : contexts) {
        if (context.containsBean(name)) {
            Object bean = context.getBean(name);
            if (type.isInstance(bean)) {
                return (T) bean;
            }
        }
    }
    return null;
}
 
Example 11
public Object getSpringBean(String beanName) {
	ApplicationContext applicationContext = WebApplicationContextUtils
			.getWebApplicationContext(getServletContext());
	if (!applicationContext.containsBean(beanName)) {
		return null;
	}

	return applicationContext.getBean(beanName);
}
 
Example 12
Source Project: dubbo3   File: SpringExtensionFactory.java    License: Apache License 2.0 5 votes vote down vote up
@SuppressWarnings("unchecked")
public <T> T getExtension(Class<T> type, String name) {
    for (ApplicationContext context : contexts) {
        if (context.containsBean(name)) {
            Object bean = context.getBean(name);
            if (type.isInstance(bean)) {
                return (T) bean;
            }
        }
    }
    return null;
}
 
Example 13
Source Project: dubbox   File: SpringExtensionFactory.java    License: Apache License 2.0 5 votes vote down vote up
@SuppressWarnings("unchecked")
public <T> T getExtension(Class<T> type, String name) {
    for (ApplicationContext context : contexts) {
        if (context.containsBean(name)) {
            Object bean = context.getBean(name);
            if (type.isInstance(bean)) {
                return (T) bean;
            }
        }
    }
    return null;
}
 
Example 14
@Override
public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
    resourcePatternResolver = ResourcePatternUtils.getResourcePatternResolver(applicationContext);
    String dsName = ConnectionSource.DEFAULT.equals(dataSourceName) ? "dataSource" : "dataSource_" + dataSourceName;
    Properties properties = getProperties();

    if(applicationContext.containsBean(dsName)) {
        properties.put(Environment.DATASOURCE, applicationContext.getBean(dsName));
    }
    properties.put(Environment.CURRENT_SESSION_CONTEXT_CLASS, currentSessionContext.getName());
    properties.put(AvailableSettings.CLASSLOADERS, applicationContext.getClassLoader());
}
 
Example 15
Source Project: cuba   File: LogMdc.java    License: Apache License 2.0 5 votes vote down vote up
public static void setup(SecurityContext securityContext) {
    String userProp = AppContext.getProperty("cuba.logUserName");
    if (userProp == null || Boolean.valueOf(userProp)) {
        if (securityContext != null) {
            String user = securityContext.getUser();
            if (user == null) {
                UserSession session = securityContext.getSession();
                if (session != null)
                    user = session.getUser().getLogin();
                else if (securityContext.getSessionId() != null) {
                    ApplicationContext applicationContext = AppContext.getApplicationContext();
                    if (applicationContext.containsBean("cuba_UserSessions")) {
                        UserSessionFinder sessionFinder = (UserSessionFinder) applicationContext.getBean("cuba_UserSessions");
                        session = sessionFinder.get(securityContext.getSessionId());
                        if (session != null) {
                            user = session.getUser().getLogin();
                        }
                    }
                }
            }
            if (user != null) {
                MDC.put(USER, "/" + user);
            }
        } else {
            MDC.remove(USER);
        }
    }

    String applicationProp = AppContext.getProperty("cuba.logAppName");
    if (applicationProp == null || Boolean.valueOf(applicationProp)) {
        if (securityContext != null) {
            MDC.put(APPLICATION, "/" + AppContext.getProperty("cuba.webContextName"));
        } else {
            MDC.remove(APPLICATION);
        }
    }
}
 
Example 16
Source Project: onetwo   File: SocketBeanConfigurator.java    License: Apache License 2.0 5 votes vote down vote up
@Override
public <T> T getEndpointInstance(Class<T> endpointClass) throws InstantiationException {
	T endpoint = null;
	ApplicationContext appContext = Springs.getInstance().getAppContext();
	Component ann = AnnotationUtils.findAnnotation(endpointClass, Component.class);
	if (ann != null && appContext.containsBean(ann.value())) {
		endpoint = appContext.getBean(ann.value(), endpointClass);
		return endpoint;
	}
	
	Map<String, T> socketEndpointMap = Springs.getInstance().getBeansMap(endpointClass);
	if(LangUtils.isEmpty(socketEndpointMap)){
		endpoint = ReflectUtils.newInstance(endpointClass);
		SpringUtils.injectAndInitialize(appContext, ReflectUtils.newInstance(endpointClass));
		return endpoint;
	}
	if(socketEndpointMap.size()==1){
		endpoint = LangUtils.getFirst(socketEndpointMap);
	}else{
		String beanName = ClassUtils.getShortNameAsProperty(endpointClass);
		if (socketEndpointMap.containsKey(beanName)) {
			endpoint = socketEndpointMap.get(beanName);
			return endpoint;
		}
	}
	return endpoint;
}
 
Example 17
public static Bus addDefaultBus(ApplicationContext ctx) {
    if (!ctx.containsBean(Bus.DEFAULT_BUS_ID)) {
        Bus b = getBusForName(Bus.DEFAULT_BUS_ID, ctx, true);
        if (ctx instanceof ConfigurableApplicationContext) {
            ConfigurableApplicationContext cctx = (ConfigurableApplicationContext)ctx;
            new BusWiringBeanFactoryPostProcessor(b).postProcessBeanFactory(cctx.getBeanFactory());
        }
    }
    return Bus.class.cast(ctx.getBean(Bus.DEFAULT_BUS_ID, Bus.class));
}
 
Example 18
Source Project: cxf   File: ConfigurerImpl.java    License: Apache License 2.0 4 votes vote down vote up
public synchronized void configureBean(String bn, Object beanInstance, boolean checkWildcards) {

        if (null == appContexts) {
            return;
        }

        if (null == bn) {
            bn = getBeanName(beanInstance);
            if (null == bn) {
                return;
            }
        }

        if (checkWildcards) {
            configureWithWildCard(bn, beanInstance);
        }

        final String beanName = bn;
        setBeanWiringInfoResolver(new BeanWiringInfoResolver() {
            public BeanWiringInfo resolveWiringInfo(Object instance) {
                if (!beanName.isEmpty()) {
                    return new BeanWiringInfo(beanName);
                }
                return null;
            }
        });

        for (ApplicationContext appContext : appContexts) {
            if (appContext.containsBean(bn)) {
                this.setBeanFactory(appContext.getAutowireCapableBeanFactory());
            }
        }

        try {
            //this will prevent a call into the AbstractBeanFactory.markBeanAsCreated(...)
            //which saves ALL the names into a HashSet.  For URL based configuration,
            //this can leak memory
            if (beanFactory instanceof AbstractBeanFactory) {
                ((AbstractBeanFactory)beanFactory).getMergedBeanDefinition(bn);
            }
            super.configureBean(beanInstance);
            if (LOG.isLoggable(Level.FINE)) {
                LOG.fine("Successfully performed injection.");
            }
        } catch (NoSuchBeanDefinitionException ex) {
            // users often wonder why the settings in their configuration files seem
            // to have no effect - the most common cause is that they have been using
            // incorrect bean ids
            if (LOG.isLoggable(Level.FINE)) {
                LOG.log(Level.FINE, "NO_MATCHING_BEAN_MSG", beanName);
            }
        }
    }
 
Example 19
Source Project: olat   File: CoreSpringFactory.java    License: Apache License 2.0 2 votes vote down vote up
/**
 * @param beanName
 *            The bean name to check for
 * @return true if such a bean does exist, false otherwhise. But if such a bean definition exists it will get created! Use the containsSingleton to check for lazy
 *         init beans whether they are instantiated or not.
 */
public static boolean containsBean(String beanName) {
    ApplicationContext context = WebApplicationContextUtils.getWebApplicationContext(CoreSpringFactory.servletContext);
    return context.containsBean(beanName);
}
 
Example 20
Source Project: olat   File: CoreSpringFactory.java    License: Apache License 2.0 2 votes vote down vote up
/**
 * @param beanName
 *            The bean name to check for
 * @return true if such a bean does exist, false otherwhise. But if such a bean definition exists it will get created! Use the containsSingleton to check for lazy
 *         init beans whether they are instantiated or not.
 */
public static boolean containsBean(String beanName) {
    ApplicationContext context = WebApplicationContextUtils.getWebApplicationContext(CoreSpringFactory.servletContext);
    return context.containsBean(beanName);
}