Example usage for org.springframework.beans.factory.config BeanPostProcessor BeanPostProcessor

Introduction

In this page you can find the example usage for org.springframework.beans.factory.config BeanPostProcessor BeanPostProcessor.

Prototype

BeanPostProcessor

Source Link

Usage

From source file:org.artifactory.spring.ArtifactoryApplicationContext.java

@Override
protected void prepareBeanFactory(ConfigurableListableBeanFactory beanFactory) {
    super.prepareBeanFactory(beanFactory);
    //Add our own post processor that registers all reloadable beans auto-magically after construction
    beanFactory.addBeanPostProcessor(new BeanPostProcessor() {
        @Override/*  ww w  .j  a  va  2s.  com*/
        public Object postProcessAfterInitialization(Object bean, String beanName) throws BeansException {
            Class<?> targetClass = AopUtils.getTargetClass(bean);
            if (ReloadableBean.class.isAssignableFrom(targetClass)) {
                Reloadable annotation;
                if (targetClass.isAnnotationPresent(Reloadable.class)) {
                    annotation = targetClass.getAnnotation(Reloadable.class);
                    Class<? extends ReloadableBean> beanClass = annotation.beanClass();
                    addReloadableBean(beanClass);
                } else {
                    throw new IllegalStateException("Bean " + targetClass.getName()
                            + " requires initialization beans to be initialized, but no such beans were found");
                }
            }
            return bean;
        }

        @Override
        public Object postProcessBeforeInitialization(Object bean, String beanName) throws BeansException {
            //Do nothing
            return bean;
        }
    });
}

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From source file:org.springframework.beans.factory.DefaultListableBeanFactoryTests.java

@Test
public void testBeanPostProcessorWithWrappedObjectAndDisposableBean() {
    DefaultListableBeanFactory lbf = new DefaultListableBeanFactory();
    RootBeanDefinition bd = new RootBeanDefinition(BeanWithDisposableBean.class);
    lbf.registerBeanDefinition("test", bd);
    lbf.addBeanPostProcessor(new BeanPostProcessor() {
        @Override/*from   ww w  . j a v a 2 s. c om*/
        public Object postProcessBeforeInitialization(Object bean, String beanName) {
            return new TestBean();
        }

        @Override
        public Object postProcessAfterInitialization(Object bean, String beanName) {
            return bean;
        }
    });
    BeanWithDisposableBean.closed = false;
    lbf.preInstantiateSingletons();
    lbf.destroySingletons();
    assertTrue("Destroy method invoked", BeanWithDisposableBean.closed);
}

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From source file:org.springframework.beans.factory.DefaultListableBeanFactoryTests.java

@Test
public void testBeanPostProcessorWithWrappedObjectAndCloseable() {
    DefaultListableBeanFactory lbf = new DefaultListableBeanFactory();
    RootBeanDefinition bd = new RootBeanDefinition(BeanWithCloseable.class);
    lbf.registerBeanDefinition("test", bd);
    lbf.addBeanPostProcessor(new BeanPostProcessor() {
        @Override/*from www .  j  a  va2 s.co m*/
        public Object postProcessBeforeInitialization(Object bean, String beanName) {
            return new TestBean();
        }

        @Override
        public Object postProcessAfterInitialization(Object bean, String beanName) {
            return bean;
        }
    });
    BeanWithDisposableBean.closed = false;
    lbf.preInstantiateSingletons();
    lbf.destroySingletons();
    assertTrue("Destroy method invoked", BeanWithCloseable.closed);
}

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From source file:org.springframework.beans.factory.DefaultListableBeanFactoryTests.java

@Test
public void testBeanPostProcessorWithWrappedObjectAndDestroyMethod() {
    DefaultListableBeanFactory lbf = new DefaultListableBeanFactory();
    RootBeanDefinition bd = new RootBeanDefinition(BeanWithDestroyMethod.class);
    bd.setDestroyMethodName("close");
    lbf.registerBeanDefinition("test", bd);
    lbf.addBeanPostProcessor(new BeanPostProcessor() {
        @Override//from   w  w w .ja  va  2  s  .com
        public Object postProcessBeforeInitialization(Object bean, String beanName) {
            return new TestBean();
        }

        @Override
        public Object postProcessAfterInitialization(Object bean, String beanName) {
            return bean;
        }
    });
    BeanWithDestroyMethod.closeCount = 0;
    lbf.preInstantiateSingletons();
    lbf.destroySingletons();
    assertEquals("Destroy methods invoked", 1, BeanWithDestroyMethod.closeCount);
}

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From source file:org.springframework.cloud.stream.metrics.config.BinderMetricsAutoConfiguration.java

/**
 * Postprocessor for installing the {@link ApplicationMetricsExporter} as an
 * exporter under the name {@code application}.
 * @param endpoint the metrics endpoint (lazy reference to prevent early initialization)
 * @param emitter the emitter bound interface
 * @param properties application metrics properties
 * @return/*from   w  ww. j a v  a2 s  . c om*/
 */
@Bean
public static BeanPostProcessor metricExportersBeanPostProcessor(final @Lazy MetricsEndpoint endpoint,
        final Emitter emitter, final ApplicationMetricsProperties properties) {
    return new BeanPostProcessor() {
        @Override
        public Object postProcessBeforeInitialization(Object bean, String name) throws BeansException {
            return bean;
        }

        @Override
        public Object postProcessAfterInitialization(Object bean, String name) throws BeansException {
            if (bean instanceof MetricExporters) {
                Map<String, Exporter> exporters = ((MetricExporters) bean).getExporters();
                if (!exporters.containsKey(APPLICATION_METRICS_EXPORTER_TRIGGER_NAME)) {
                    exporters.put(APPLICATION_METRICS_EXPORTER_TRIGGER_NAME,
                            new ApplicationMetricsExporter(endpoint, emitter.applicationMetrics(), properties));
                } else {
                    log.warn("Could not register ApplicationMetricExporter: "
                            + exporters.get(APPLICATION_METRICS_EXPORTER_TRIGGER_NAME)
                            + " was already registered as " + APPLICATION_METRICS_EXPORTER_TRIGGER_NAME);
                }
            }
            return bean;
        }
    };
}

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