Examples of org.springframework.context.support.GenericApplicationContext

Package org.springframework.context.support

Examples of org.springframework.context.support.GenericApplicationContext

org.springframework.context.support.GenericApplicationContext
Generic ApplicationContext implementation that holds a single internal {@link org.springframework.beans.factory.support.DefaultListableBeanFactory}instance and does not assume a specific bean definition format. Implements the {@link org.springframework.beans.factory.support.BeanDefinitionRegistry}interface in order to allow for applying any bean definition readers to it.
Typical usage is to register a variety of bean definitions via the {@link org.springframework.beans.factory.support.BeanDefinitionRegistry}interface and then call {@link #refresh()} to initialize those beanswith application context semantics (handling {@link org.springframework.context.ApplicationContextAware}, auto-detecting {@link org.springframework.beans.factory.config.BeanFactoryPostProcessor BeanFactoryPostProcessors}, etc).
In contrast to other ApplicationContext implementations that create a new internal BeanFactory instance for each refresh, the internal BeanFactory of this context is available right from the start, to be able to register bean definitions on it. {@link #refresh()} may only be called once.
Usage example:
```
 GenericApplicationContext ctx = new GenericApplicationContext(); XmlBeanDefinitionReader xmlReader = new XmlBeanDefinitionReader(ctx); xmlReader.loadBeanDefinitions(new ClassPathResource("applicationContext.xml")); PropertiesBeanDefinitionReader propReader = new PropertiesBeanDefinitionReader(ctx); propReader.loadBeanDefinitions(new ClassPathResource("otherBeans.properties")); ctx.refresh(); MyBean myBean = (MyBean) ctx.getBean("myBean"); ...
```
For the typical case of XML bean definitions, simply use {@link ClassPathXmlApplicationContext} or {@link FileSystemXmlApplicationContext}, which are easier to set up - but less flexible, since you can just use standard resource locations for XML bean definitions, rather than mixing arbitrary bean definition formats. The equivalent in a web environment is {@link org.springframework.web.context.support.XmlWebApplicationContext}.
For custom application context implementations that are supposed to read special bean definition formats in a refreshable manner, consider deriving from the {@link AbstractRefreshableApplicationContext} base class. @author Juergen Hoeller @since 1.1.2 @see #registerBeanDefinition @see #refresh() @see org.springframework.beans.factory.xml.XmlBeanDefinitionReader @see org.springframework.beans.factory.support.PropertiesBeanDefinitionReader

     *
     * @return ApplicationContext a parent {@link ApplicationContext} configured
     *         to exclude certain classes from package scanning
     */
    protected ApplicationContext getRouteExcludingApplicationContext() {
        GenericApplicationContext routeExcludingContext = new GenericApplicationContext();
        routeExcludingContext.registerBeanDefinition("excludingResolver", new RootBeanDefinition(ExcludingPackageScanClassResolver.class));
        routeExcludingContext.refresh();


        ExcludingPackageScanClassResolver excludingResolver = (ExcludingPackageScanClassResolver)routeExcludingContext.getBean("excludingResolver");
        List<Class<?>> excluded = CastUtils.cast(Arrays.asList(excludeRoutes()));
        excludingResolver.setExcludedClasses(new HashSet<Class<?>>(excluded));


        return routeExcludingContext;
    }

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        context.refresh();


        // Have to create a child context that implements BeanDefinitionRegistry
        // to pass to registerAnnotationConfigProcessors, since
        // JavaConfigApplicationContext does not
        final GenericApplicationContext gac = new GenericApplicationContext(context);
        AnnotationConfigUtils.registerAnnotationConfigProcessors(gac);
        // copy BeanPostProcessors to the child context
        for (String bppName : context.getBeanFactory().getBeanNamesForType(BeanPostProcessor.class)) {
            gac.registerBeanDefinition(bppName, context.getBeanFactory().getBeanDefinition(bppName));
        }
        gac.refresh();
        gac.registerShutdownHook();


        return gac;
    }

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  public void test() throws Exception {


    Properties properties = new Properties();
    properties.load(this.getClass().getClassLoader().getResourceAsStream("beanset/beanset.properties"));


    GenericApplicationContext context = createContext(properties, "imported-context.xml");


    assertTrue(context.getBean("bean1") instanceof Bean1);
    assertTrue(context.getBean("bean2") instanceof Bean2);
    assertTrue(context.getBean("bean3") instanceof Bean3);


    properties.setProperty("bean2and3", "alternative-context.xml");
    context = createContext(properties, "alternative-context.xml");


    assertTrue(context.getBean("bean1") instanceof Bean1);
    assertTrue(context.getBean("bean2") instanceof Bean4);


    try {
      context.getBean("bean3");
      fail();
    }
    catch (NoSuchBeanDefinitionException e) {
    }

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    }


  }


  protected GenericApplicationContext createContext(final Properties properties, String expectedResource) {
    GenericApplicationContext context = new GenericApplicationContext();
    
    final RecordingImportingBeanDefinitionDocumentReader documentReader = new RecordingImportingBeanDefinitionDocumentReader(properties);


    XmlBeanDefinitionReader xmlReader = new XmlBeanDefinitionReader(context){
      @Override

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  public final void testNewBeanDefinitionReader() {
    BeansetModuleDefinition definition = new SimpleBeansetModuleDefinition(plugin4);
    BeansetApplicationModuleLoader loader = new BeansetApplicationModuleLoader();
  
    XmlBeanDefinitionReader reader = loader.newBeanDefinitionReader("id", new GenericApplicationContext(), definition);
    int definitions = reader.loadBeanDefinitions(new ClassPathResource("parentTestContext.xml"));
    assertTrue(definitions > 0);
  }

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    DynamicScope dynamicScope = new DynamicScope();
    dynamicScope.setClassLoader(classLoader);
    beanFactory.registerScope("dynamic", dynamicScope);


    // create the application context, and set the class loader
    GenericApplicationContext context = new GenericApplicationContext(beanFactory);
    context.setClassLoader(classLoader);


    // create the bean definition reader
    XmlBeanDefinitionReader xmlReader = new XmlBeanDefinitionReader(context);
    xmlReader.loadBeanDefinitions(new ClassPathResource("dynamic/dynamic-context.xml", classLoader));


    // refresh the application context - now we're ready to go
    context.refresh();


    assertNotNull(context.getBean("communicationMethod"));
    assertNotNull(context.getBean("communicationMethodImpl"));


    Person ti = (Person) context.getBean("person");


    while (true) {
      ti.act();
      Thread.sleep(500);
    }

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        DefaultListableBeanFactory beanFactory = new DefaultListableBeanFactory();
        beanFactory.setBeanClassLoader(classLoader);


        // create the application context, and set the class loader
        GenericApplicationContext context = new GenericApplicationContext(beanFactory, parent);
        context.setClassLoader(classLoader);
        context.setDisplayName(ModuleLoaderUtils.getDisplayName(definition, context));
        return context;
    }

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    DefaultListableBeanFactory beanFactory = new DefaultListableBeanFactory();
    beanFactory.setBeanClassLoader(classLoader);


    // create the application context, and set the class loader
    GenericApplicationContext context = new GenericApplicationContext(beanFactory, parent);
    context.setClassLoader(classLoader);
    return context;
  }

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        loader.setServletContext(servletContext);
    }
    
    public final void testNewApplicationContext() {
        final ClassLoader classLoader = ClassUtils.getDefaultClassLoader();
        final GenericApplicationContext parent = new GenericApplicationContext();
        final GenericWebApplicationContext applicationContext = loader.newApplicationContext(null, parent, new SimpleRootModuleDefinition(projectNames, new String[]{"loc"}), classLoader);


        assertNotNull(applicationContext);
        assertNotNull(applicationContext.getBeanFactory());
        assertSame(classLoader, applicationContext.getClassLoader());

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 * @author Phil Zoio
 */
public class ExpandableTest extends TestCase {


  public void test() throws InterruptedException {
    GenericApplicationContext context = new GenericApplicationContext();


    XmlBeanDefinitionReader xmlReader = new XmlBeanDefinitionReader(context);
    xmlReader.loadBeanDefinitions(new ClassPathResource("expandable/core-context.xml"));


    context.refresh();


    RootModuleContextMonitor monitor = new RootModuleContextMonitor(xmlReader, new ClassPathResource(
        "expandable/spring-locations.txt"), new ScheduledThreadPoolExecutor(1));
    monitor.setupMonitor();


    context.getBean("coreBean");


    while (true) {
      try {
        Thread.sleep(1000);
        Object bean = context.getBean("extraBean");
        System.out.println("Found bean named 'extraBean' in context: " + bean.getClass().getName());
      }
      catch (NoSuchBeanDefinitionException e) {
        System.out.println("No bean named 'extraBean' found in context");
      }

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