org.springframework.web.context.WebApplicationContext.containsBean()方法的使用及代码示例

x33g5p2x  于2022-02-02 转载在 其他  
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本文整理了Java中org.springframework.web.context.WebApplicationContext.containsBean()方法的一些代码示例，展示了WebApplicationContext.containsBean()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。WebApplicationContext.containsBean()方法的具体详情如下：
包路径：org.springframework.web.context.WebApplicationContext
类名称：WebApplicationContext
方法名：containsBean

WebApplicationContext.containsBean介绍

暂无

代码示例

代码示例来源：origin: spring-projects/spring-framework

@Override
@Nullable
public Object getAttribute(String name) {
  if ((this.explicitAttributes == null || !this.explicitAttributes.contains(name)) &&
      (this.exposedContextBeanNames == null || this.exposedContextBeanNames.contains(name)) &&
      this.webApplicationContext.containsBean(name)) {
    return this.webApplicationContext.getBean(name);
  }
  else {
    return super.getAttribute(name);
  }
}

代码示例来源：origin: spring-projects/spring-framework

@Override
public boolean isReadOnly(ELContext elContext, @Nullable Object base, Object property) throws ELException {
  if (base == null) {
    String beanName = property.toString();
    WebApplicationContext wac = getWebApplicationContext(elContext);
    if (wac.containsBean(beanName)) {
      return true;
    }
  }
  return false;
}

代码示例来源：origin: spring-projects/spring-framework

@Override
@Nullable
public Object getValue(ELContext elContext, @Nullable Object base, Object property) throws ELException {
  if (base == null) {
    String beanName = property.toString();
    WebApplicationContext wac = getWebApplicationContext(elContext);
    if (wac.containsBean(beanName)) {
      elContext.setPropertyResolved(true);
      return wac.getBean(beanName);
    }
  }
  return null;
}

代码示例来源：origin: spring-projects/spring-framework

@Override
@Nullable
public Class<?> getType(ELContext elContext, @Nullable Object base, Object property) throws ELException {
  if (base == null) {
    String beanName = property.toString();
    WebApplicationContext wac = getWebApplicationContext(elContext);
    if (wac.containsBean(beanName)) {
      elContext.setPropertyResolved(true);
      return wac.getType(beanName);
    }
  }
  return null;
}

代码示例来源：origin: spring-projects/spring-framework

@Override
public void setValue(ELContext elContext, @Nullable Object base, Object property, Object value) throws ELException {
  if (base == null) {
    String beanName = property.toString();
    WebApplicationContext wac = getWebApplicationContext(elContext);
    if (wac.containsBean(beanName)) {
      if (value == wac.getBean(beanName)) {
        // Setting the bean reference to the same value is alright - can simply be ignored...
        elContext.setPropertyResolved(true);
      }
      else {
        throw new PropertyNotWritableException(
            "Variable '" + beanName + "' refers to a Spring bean which by definition is not writable");
      }
    }
  }
}

代码示例来源：origin: spring-projects/spring-framework

/**
 * Look for a MultipartResolver bean in the root web application context.
 * Supports a "multipartResolverBeanName" filter init param; the default
 * bean name is "filterMultipartResolver".
 * <p>This can be overridden to use a custom MultipartResolver instance,
 * for example if not using a Spring web application context.
 * @return the MultipartResolver instance
 */
protected MultipartResolver lookupMultipartResolver() {
  WebApplicationContext wac = WebApplicationContextUtils.getWebApplicationContext(getServletContext());
  String beanName = getMultipartResolverBeanName();
  if (wac != null && wac.containsBean(beanName)) {
    if (logger.isDebugEnabled()) {
      logger.debug("Using MultipartResolver '" + beanName + "' for MultipartFilter");
    }
    return wac.getBean(beanName, MultipartResolver.class);
  }
  else {
    return this.defaultMultipartResolver;
  }
}

代码示例来源：origin: rest-assured/rest-assured

public RequestPostProcessor beforeMockMvcCreated(ConfigurableMockMvcBuilder<?> builder, WebApplicationContext context) {
    if (!context.containsBean(SPRING_SECURITY_FILTER_CHAIN)) {
      return null;
    }
    return configurer.beforeMockMvcCreated(builder, context);
  }
}

代码示例来源：origin: org.springframework/spring-web

@Override
public boolean isReadOnly(ELContext elContext, @Nullable Object base, Object property) throws ELException {
  if (base == null) {
    String beanName = property.toString();
    WebApplicationContext wac = getWebApplicationContext(elContext);
    if (wac.containsBean(beanName)) {
      return true;
    }
  }
  return false;
}

代码示例来源：origin: org.springframework/spring-web

@Override
@Nullable
public Object getAttribute(String name) {
  if ((this.explicitAttributes == null || !this.explicitAttributes.contains(name)) &&
      (this.exposedContextBeanNames == null || this.exposedContextBeanNames.contains(name)) &&
      this.webApplicationContext.containsBean(name)) {
    return this.webApplicationContext.getBean(name);
  }
  else {
    return super.getAttribute(name);
  }
}

代码示例来源：origin: org.springframework/spring-web

@Override
@Nullable
public Object getValue(ELContext elContext, @Nullable Object base, Object property) throws ELException {
  if (base == null) {
    String beanName = property.toString();
    WebApplicationContext wac = getWebApplicationContext(elContext);
    if (wac.containsBean(beanName)) {
      elContext.setPropertyResolved(true);
      return wac.getBean(beanName);
    }
  }
  return null;
}

代码示例来源：origin: spring-projects/spring-framework

logger.trace("Attempting to resolve property '" + beanName + "' in root WebApplicationContext");
if (wac.containsBean(beanName)) {
  if (logger.isDebugEnabled()) {
    logger.debug("Successfully resolved property '" + beanName + "' in root WebApplicationContext");

代码示例来源：origin: spring-projects/spring-framework

if (wac.containsBean(beanName)) {
  T endpoint = wac.getBean(beanName, endpointClass);
  if (logger.isTraceEnabled()) {
if (ann != null && wac.containsBean(ann.value())) {
  T endpoint = wac.getBean(ann.value(), endpointClass);
  if (logger.isTraceEnabled()) {

代码示例来源：origin: spring-projects/spring-framework

/**
 * Look up the EntityManagerFactory that this filter should use.
 * <p>The default implementation looks for a bean with the specified name
 * in Spring's root application context.
 * @return the EntityManagerFactory to use
 * @see #getEntityManagerFactoryBeanName
 */
protected EntityManagerFactory lookupEntityManagerFactory() {
  WebApplicationContext wac = WebApplicationContextUtils.getRequiredWebApplicationContext(getServletContext());
  String emfBeanName = getEntityManagerFactoryBeanName();
  String puName = getPersistenceUnitName();
  if (StringUtils.hasLength(emfBeanName)) {
    return wac.getBean(emfBeanName, EntityManagerFactory.class);
  }
  else if (!StringUtils.hasLength(puName) && wac.containsBean(DEFAULT_ENTITY_MANAGER_FACTORY_BEAN_NAME)) {
    return wac.getBean(DEFAULT_ENTITY_MANAGER_FACTORY_BEAN_NAME, EntityManagerFactory.class);
  }
  else {
    // Includes fallback search for single EntityManagerFactory bean by type.
    return EntityManagerFactoryUtils.findEntityManagerFactory(wac, puName);
  }
}

代码示例来源：origin: spring-projects/spring-framework

/**
 * Find the registered {@link RequestDataValueProcessor}, if any, and allow
 * it to update the redirect target URL.
 * @param targetUrl the given redirect URL
 * @return the updated URL or the same as URL as the one passed in
 */
protected String updateTargetUrl(String targetUrl, Map<String, Object> model,
    HttpServletRequest request, HttpServletResponse response) {
  WebApplicationContext wac = getWebApplicationContext();
  if (wac == null) {
    wac = RequestContextUtils.findWebApplicationContext(request, getServletContext());
  }
  if (wac != null && wac.containsBean(RequestContextUtils.REQUEST_DATA_VALUE_PROCESSOR_BEAN_NAME)) {
    RequestDataValueProcessor processor = wac.getBean(
        RequestContextUtils.REQUEST_DATA_VALUE_PROCESSOR_BEAN_NAME, RequestDataValueProcessor.class);
    return processor.processUrl(request, targetUrl);
  }
  return targetUrl;
}

代码示例来源：origin: spring-projects/spring-framework

@Test
public void register() throws ServletException {
  initializer.onStartup(servletContext);
  assertEquals(1, servlets.size());
  assertNotNull(servlets.get(SERVLET_NAME));
  DispatcherServlet servlet = (DispatcherServlet) servlets.get(SERVLET_NAME);
  assertEquals(MyDispatcherServlet.class, servlet.getClass());
  WebApplicationContext servletContext = servlet.getWebApplicationContext();
  assertTrue(servletContext.containsBean("bean"));
  assertTrue(servletContext.getBean("bean") instanceof MyBean);
  assertEquals(1, registrations.size());
  assertNotNull(registrations.get(SERVLET_NAME));
  MockServletRegistration registration = registrations.get(SERVLET_NAME);
  assertEquals(Collections.singleton(SERVLET_MAPPING), registration.getMappings());
  assertEquals(1, registration.getLoadOnStartup());
  assertEquals(ROLE_NAME, registration.getRunAsRole());
}

代码示例来源：origin: spring-projects/spring-framework

@Test
public void testFrameworkServletWithCustomLocation() throws Exception {
  DispatcherServlet servlet = new DispatcherServlet();
  servlet.setContextConfigLocation("/org/springframework/web/context/WEB-INF/testNamespace.xml "
      + "/org/springframework/web/context/WEB-INF/context-addition.xml");
  servlet.init(new MockServletConfig(new MockServletContext(""), "test"));
  assertTrue(servlet.getWebApplicationContext().containsBean("kerry"));
  assertTrue(servlet.getWebApplicationContext().containsBean("kerryX"));
}

代码示例来源：origin: spring-projects/spring-framework

@Test
public void testContextLoaderListenerWithDefaultContext() {
  MockServletContext sc = new MockServletContext("");
  sc.addInitParameter(ContextLoader.CONFIG_LOCATION_PARAM,
      "/org/springframework/web/context/WEB-INF/applicationContext.xml " +
      "/org/springframework/web/context/WEB-INF/context-addition.xml");
  ServletContextListener listener = new ContextLoaderListener();
  ServletContextEvent event = new ServletContextEvent(sc);
  listener.contextInitialized(event);
  String contextAttr = WebApplicationContext.ROOT_WEB_APPLICATION_CONTEXT_ATTRIBUTE;
  WebApplicationContext context = (WebApplicationContext) sc.getAttribute(contextAttr);
  assertTrue("Correct WebApplicationContext exposed in ServletContext", context instanceof XmlWebApplicationContext);
  assertTrue(WebApplicationContextUtils.getRequiredWebApplicationContext(sc) instanceof XmlWebApplicationContext);
  LifecycleBean lb = (LifecycleBean) context.getBean("lifecycle");
  assertTrue("Has father", context.containsBean("father"));
  assertTrue("Has rod", context.containsBean("rod"));
  assertTrue("Has kerry", context.containsBean("kerry"));
  assertTrue("Not destroyed", !lb.isDestroyed());
  assertFalse(context.containsBean("beans1.bean1"));
  assertFalse(context.containsBean("beans1.bean2"));
  listener.contextDestroyed(event);
  assertTrue("Destroyed", lb.isDestroyed());
  assertNull(sc.getAttribute(contextAttr));
  assertNull(WebApplicationContextUtils.getWebApplicationContext(sc));
}

代码示例来源：origin: spring-projects/spring-framework

@Test
public void register() throws ServletException {
  initializer.onStartup(servletContext);
  assertTrue(eventListener instanceof ContextLoaderListener);
  ContextLoaderListener cll = (ContextLoaderListener) eventListener;
  cll.contextInitialized(new ServletContextEvent(servletContext));
  WebApplicationContext applicationContext = WebApplicationContextUtils
      .getRequiredWebApplicationContext(servletContext);
  assertTrue(applicationContext.containsBean(BEAN_NAME));
  assertTrue(applicationContext.getBean(BEAN_NAME) instanceof MyBean);
}

代码示例来源：origin: spring-projects/spring-framework

@Test
public void register() throws ServletException {
  initializer.onStartup(servletContext);
  assertEquals(1, servlets.size());
  assertNotNull(servlets.get(SERVLET_NAME));
  DispatcherServlet servlet = (DispatcherServlet) servlets.get(SERVLET_NAME);
  WebApplicationContext wac = servlet.getWebApplicationContext();
  ((AnnotationConfigWebApplicationContext) wac).refresh();
  assertTrue(wac.containsBean("bean"));
  assertTrue(wac.getBean("bean") instanceof MyBean);
  assertEquals(1, servletRegistrations.size());
  assertNotNull(servletRegistrations.get(SERVLET_NAME));
  MockServletRegistration servletRegistration = servletRegistrations.get(SERVLET_NAME);
  assertEquals(Collections.singleton(SERVLET_MAPPING), servletRegistration.getMappings());
  assertEquals(1, servletRegistration.getLoadOnStartup());
  assertEquals(ROLE_NAME, servletRegistration.getRunAsRole());
  assertTrue(servletRegistration.isAsyncSupported());
  assertEquals(4, filterRegistrations.size());
  assertNotNull(filterRegistrations.get("hiddenHttpMethodFilter"));
  assertNotNull(filterRegistrations.get("delegatingFilterProxy"));
  assertNotNull(filterRegistrations.get("delegatingFilterProxy#0"));
  assertNotNull(filterRegistrations.get("delegatingFilterProxy#1"));
  for (MockFilterRegistration filterRegistration : filterRegistrations.values()) {
    assertTrue(filterRegistration.isAsyncSupported());
    EnumSet<DispatcherType> enumSet = EnumSet.of(DispatcherType.REQUEST, DispatcherType.FORWARD,
        DispatcherType.INCLUDE, DispatcherType.ASYNC);
    assertEquals(enumSet, filterRegistration.getMappings().get(SERVLET_NAME));
  }
}

代码示例来源：origin: spring-projects/spring-framework

@Test
public void rootContextOnly() throws ServletException {
  initializer = new MyAnnotationConfigDispatcherServletInitializer() {
    @Override
    protected Class<?>[] getRootConfigClasses() {
      return new Class<?>[] {MyConfiguration.class};
    }
    @Override
    protected Class<?>[] getServletConfigClasses() {
      return null;
    }
  };
  initializer.onStartup(servletContext);
  DispatcherServlet servlet = (DispatcherServlet) servlets.get(SERVLET_NAME);
  servlet.init(new MockServletConfig(this.servletContext));
  WebApplicationContext wac = servlet.getWebApplicationContext();
  ((AnnotationConfigWebApplicationContext) wac).refresh();
  assertTrue(wac.containsBean("bean"));
  assertTrue(wac.getBean("bean") instanceof MyBean);
}

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