Example usage for org.springframework.context.annotation ClassPathBeanDefinitionScanner scan

Introduction

In this page you can find the example usage for org.springframework.context.annotation ClassPathBeanDefinitionScanner scan.

Prototype

public int scan(String... basePackages) 

Source Link

Document

Perform a scan within the specified base packages.

Usage

From source file:org.opentides.bean.factory.support.BaseEntityRegistry.java

@Override
public void afterPropertiesSet() throws Exception {
    if (packagesToScan == null)
        packagesToScan = new ArrayList<String>();
    packagesToScan.add("org.opentides.bean");
    baseEntities = new ArrayList<String>();
    BeanDefinitionRegistry registry = new SimpleBeanDefinitionRegistry();
    ClassPathBeanDefinitionScanner s = new ClassPathBeanDefinitionScanner(registry);
    TypeFilter tf = new AssignableTypeFilter(BaseEntity.class);
    s.resetFilters(false);//from   ww  w. ja  va 2s . c o m
    s.addIncludeFilter(tf);
    s.scan(packagesToScan.toArray(new String[packagesToScan.size()]));
    for (String name : registry.getBeanDefinitionNames()) {
        Class<?> clazz = Class.forName(registry.getBeanDefinition(name).getBeanClassName());
        if (BaseEntity.class.isAssignableFrom(clazz))
            baseEntities.add(registry.getBeanDefinition(name).getBeanClassName());
    }
}

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From source file:org.wso2.msf4j.spring.MSF4JSpringApplication.java

/**
 * This will add a given service class to the running instnace with given base path.
 *
 * @param configurableApplicationContext ConfigurableApplicationContext of running app
 * @param serviceClass Service class//from  ww w . j  a  v  a 2s . c om
 * @param basePath Base path teh servuce get registered
 */
public void addService(ConfigurableApplicationContext configurableApplicationContext, Class serviceClass,
        String basePath) {
    ClassPathBeanDefinitionScanner classPathBeanDefinitionScanner = new ClassPathBeanDefinitionScanner(
            (BeanDefinitionRegistry) configurableApplicationContext);
    classPathBeanDefinitionScanner.scan(serviceClass.getPackage().getName());
    SpringMicroservicesRunner springMicroservicesRunner = configurableApplicationContext
            .getBean(SpringMicroservicesRunner.class);
    springMicroservicesRunner.deploy(basePath, configurableApplicationContext.getBean(serviceClass));
}

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From source file:com.codestd.spring.cxf.config.EndpointBeanProcessor.java

@Override
public void postProcessBeanFactory(ConfigurableListableBeanFactory beanFactory) throws BeansException {
    if (annotationPackage == null || annotationPackage.length() == 0) {
        return;//from  ww w  .ja va2 s .co m
    }

    if (beanFactory instanceof BeanDefinitionRegistry) {
        BeanDefinitionRegistry beanDefinitionRegistry = (BeanDefinitionRegistry) beanFactory;
        ClassPathBeanDefinitionScanner scanner = new ClassPathBeanDefinitionScanner(beanDefinitionRegistry,
                true);

        AnnotationTypeFilter filter = new AnnotationTypeFilter(Endpoint.class);
        scanner.addIncludeFilter(filter);

        scanner.scan(annotationPackages);
    }
}

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From source file:org.elasticsoftware.elasticactors.spring.AnnotationConfigWebApplicationContext.java

/**
 * Register a {@link org.springframework.beans.factory.config.BeanDefinition} for
 * any classes specified by {@link #register(Class...)} and scan any packages
 * specified by {@link #scan(String...)}.
 * <p>For any values specified by {@link #setConfigLocation(String)} or
 * {@link #setConfigLocations(String[])}, attempt first to load each location as a
 * class, registering a {@code BeanDefinition} if class loading is successful,
 * and if class loading fails (i.e. a {@code ClassNotFoundException} is raised),
 * assume the value is a package and attempt to scan it for annotated classes.
 * <p>Enables the default set of annotation configuration post processors, such that
 * {@code @Autowired}, {@code @Required}, and associated annotations can be used.
 * <p>Configuration class bean definitions are registered with generated bean
 * definition names unless the {@code value} attribute is provided to the stereotype
 * annotation./*from   www. ja v a  2s .com*/
 * @see #register(Class...)
 * @see #scan(String...)
 * @see #setConfigLocation(String)
 * @see #setConfigLocations(String[])
 * @see AnnotatedBeanDefinitionReader
 * @see ClassPathBeanDefinitionScanner
 */
@Override
protected void loadBeanDefinitions(DefaultListableBeanFactory beanFactory) {
    AnnotatedBeanDefinitionReader reader = new AnnotatedBeanDefinitionReader(beanFactory);
    reader.setEnvironment(this.getEnvironment());

    ClassPathBeanDefinitionScanner scanner = new ClassPathBeanDefinitionScanner(beanFactory);
    scanner.setEnvironment(this.getEnvironment());

    BeanNameGenerator beanNameGenerator = getBeanNameGenerator();
    ScopeMetadataResolver scopeMetadataResolver = getScopeMetadataResolver();
    if (beanNameGenerator != null) {
        reader.setBeanNameGenerator(beanNameGenerator);
        scanner.setBeanNameGenerator(beanNameGenerator);
        beanFactory.registerSingleton(AnnotationConfigUtils.CONFIGURATION_BEAN_NAME_GENERATOR,
                beanNameGenerator);
    }
    if (scopeMetadataResolver != null) {
        reader.setScopeMetadataResolver(scopeMetadataResolver);
        scanner.setScopeMetadataResolver(scopeMetadataResolver);
    }

    if (!this.annotatedClasses.isEmpty()) {
        if (logger.isInfoEnabled()) {
            logger.info("Registering annotated classes: ["
                    + StringUtils.collectionToCommaDelimitedString(this.annotatedClasses) + "]");
        }
        reader.register(this.annotatedClasses.toArray(new Class<?>[this.annotatedClasses.size()]));
    }

    if (!this.basePackages.isEmpty()) {
        if (logger.isInfoEnabled()) {
            logger.info("Scanning base packages: ["
                    + StringUtils.collectionToCommaDelimitedString(this.basePackages) + "]");
        }
        for (TypeFilter typeFilter : includeFilters) {
            scanner.addIncludeFilter(typeFilter);
        }
        scanner.scan(this.basePackages.toArray(new String[this.basePackages.size()]));
    }

    String[] configLocations = getConfigLocations();
    if (configLocations != null) {
        for (String configLocation : configLocations) {
            try {
                Class<?> clazz = getClassLoader().loadClass(configLocation);
                if (logger.isInfoEnabled()) {
                    logger.info("Successfully resolved class for [" + configLocation + "]");
                }
                reader.register(clazz);
            } catch (ClassNotFoundException ex) {
                if (logger.isDebugEnabled()) {
                    logger.debug("Could not load class for config location [" + configLocation
                            + "] - trying package scan. " + ex);
                }
                int count = scanner.scan(configLocation);
                if (logger.isInfoEnabled()) {
                    if (count == 0) {
                        logger.info("No annotated classes found for specified class/package [" + configLocation
                                + "]");
                    } else {
                        logger.info(
                                "Found " + count + " annotated classes in package [" + configLocation + "]");
                    }
                }
            }
        }
    }
}

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