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

        
        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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public class ApplicationContextExporterTest extends TestCase {


    public void testAfterPropertiesSet() throws Exception {
        final ServletContext servletContext = createMock(ServletContext.class);
        final ApplicationContextExporter exporter = new ApplicationContextExporter();
        final GenericApplicationContext applicationContext = new GenericApplicationContext();
        
        exporter.setServletContext(servletContext);
        exporter.setApplicationContext(applicationContext);
        exporter.setContextAttribute("att");

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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);
        context.setDisplayName(ModuleLoaderUtils.getDisplayName(definition, context));
        return context;
    }

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public class DynamicPropertiesNamespaceHandlerTest extends TestCase {
    
    public void testDefault() throws Exception {
        
        GenericApplicationContext context = new GenericApplicationContext();
        
        XmlBeanDefinitionReader reader = new XmlBeanDefinitionReader(context);
        reader.loadBeanDefinitions(new ClassPathResource("org/impalaframework/spring/config/dynamicproperties-context.xml"));
        
        context.refresh();
        DynamicPropertiesBean bean = (DynamicPropertiesBean) context.getBean("testBean");
        bean.print();
        
        assertEquals(true, bean.getBooleanValue());
        assertEquals(new SimpleDateFormat("yyyy-MM-dd").parse("1999-12-12"), bean.getDateValue());
        assertEquals(100.1, bean.getDoubleValue());
        assertEquals(10.2F, bean.getFloatValue());
        assertEquals(100, bean.getIntValue());
        assertEquals(2010L, bean.getLongValue());
        assertEquals("Phil", bean.getStringValue());
        
        StaticPropertiesPropertySource propertySource = (StaticPropertiesPropertySource) context.getBean("propertySource");
        final Properties properties = propertySource.getProperties();
        properties.setProperty("string.property", "Phil Z");
        
        //check that this updates
        assertEquals("Phil Z", bean.getStringValue());

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 */
public class MissingBeanTest extends TestCase {


    public void test() {
        ProxyCreatingBeanFactory beanFactory = new ProxyCreatingBeanFactory();
        GenericApplicationContext context = new GenericApplicationContext(beanFactory);


        XmlBeanDefinitionReader xmlReader = new XmlBeanDefinitionReader(context);
        xmlReader.loadBeanDefinitions(new ClassPathResource("missingbean/spring-context.xml"));


        context.refresh();
        ClientBean clientBean = (ClientBean) context.getBean("clientBean");


        System.out.println("\nOutput when client bean uses 'missing' collaborator:");
        clientBean.doStuff();
    }

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        applicationContext = createMock(ConfigurableApplicationContext.class);
    }


    public void testCloseContextNoModuleLoader() {
        replay(applicationContext, moduleLoader);
        loader.closeContext("id", definition, new GenericApplicationContext());
        verify(applicationContext, moduleLoader);
    }

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public class BaseSpringModuleLoaderTest extends TestCase {
    
    public void testNewBeanDefinitionReader() throws Exception {
        
        BaseSpringModuleLoader loader = new ApplicationModuleLoader();
        GenericApplicationContext context = new GenericApplicationContext();
        XmlBeanDefinitionReader reader = loader.newBeanDefinitionReader("id", context, new SimpleModuleDefinition("pluginName"));
        assertSame(context.getBeanFactory(), reader.getBeanFactory());
    }

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    public void testNewApplicationContext() throws Exception {
        BaseSpringModuleLoader loader = new BaseSpringModuleLoader() {
        };
        
        GenericApplicationContext parentContext = new GenericApplicationContext();
        SimpleRootModuleDefinition rootDefinition = new SimpleRootModuleDefinition("project1", "context.xml");
        ClassLoader classLoader = ClassUtils.getDefaultClassLoader();
        GenericApplicationContext context = loader.newApplicationContext(null, parentContext, rootDefinition, classLoader);


        ModuleTestUtils.checkHasPostProcessor(false, context, ModuleDefinitionPostProcessor.class);
    }

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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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