org.springframework.beans.factory.support.DefaultListableBeanFactory#setBeanExpressionResolver ( )源码实例Demo

@Test
public void testExpressionInStringArray() {
	DefaultListableBeanFactory bf = new DefaultListableBeanFactory();
	BeanExpressionResolver beanExpressionResolver = mock(BeanExpressionResolver.class);
	given(beanExpressionResolver.evaluate(eq("#{foo}"), any(BeanExpressionContext.class)))
			.willReturn("classpath:/org/springframework/beans/factory/xml/util.properties");
	bf.setBeanExpressionResolver(beanExpressionResolver);

	RootBeanDefinition rbd = new RootBeanDefinition(PropertiesFactoryBean.class);
	MutablePropertyValues pvs = new MutablePropertyValues();
	pvs.add("locations", new String[]{"#{foo}"});
	rbd.setPropertyValues(pvs);
	bf.registerBeanDefinition("myProperties", rbd);
	Properties properties = (Properties) bf.getBean("myProperties");
	assertEquals("bar", properties.getProperty("foo"));
}
 

@Test
public void testExpressionInStringArray() {
	DefaultListableBeanFactory bf = new DefaultListableBeanFactory();
	BeanExpressionResolver beanExpressionResolver = mock(BeanExpressionResolver.class);
	when(beanExpressionResolver.evaluate(eq("#{foo}"), ArgumentMatchers.any(BeanExpressionContext.class)))
			.thenReturn("classpath:/org/springframework/beans/factory/xml/util.properties");
	bf.setBeanExpressionResolver(beanExpressionResolver);

	RootBeanDefinition rbd = new RootBeanDefinition(PropertiesFactoryBean.class);
	MutablePropertyValues pvs = new MutablePropertyValues();
	pvs.add("locations", new String[]{"#{foo}"});
	rbd.setPropertyValues(pvs);
	bf.registerBeanDefinition("myProperties", rbd);
	Properties properties = (Properties) bf.getBean("myProperties");
	assertEquals("bar", properties.getProperty("foo"));
}
 

@Test
public void testExpressionInStringArray() {
	DefaultListableBeanFactory bf = new DefaultListableBeanFactory();
	BeanExpressionResolver beanExpressionResolver = mock(BeanExpressionResolver.class);
	when(beanExpressionResolver.evaluate(eq("#{foo}"), Matchers.any(BeanExpressionContext.class)))
			.thenReturn("classpath:/org/springframework/beans/factory/xml/util.properties");
	bf.setBeanExpressionResolver(beanExpressionResolver);

	RootBeanDefinition rbd = new RootBeanDefinition(PropertiesFactoryBean.class);
	MutablePropertyValues pvs = new MutablePropertyValues();
	pvs.add("locations", new String[]{"#{foo}"});
	rbd.setPropertyValues(pvs);
	bf.registerBeanDefinition("myProperties", rbd);
	Properties properties = (Properties) bf.getBean("myProperties");
	assertEquals("bar", properties.getProperty("foo"));
}
 

/**
 * Sets up the bean post processor and conversion service
 *
 * @param beans - The bean factory for the the dictionary beans
 */
public static void setupProcessor(DefaultListableBeanFactory beans) {
    try {
        // UIF post processor that sets component ids
        BeanPostProcessor idPostProcessor = ComponentBeanPostProcessor.class.newInstance();
        beans.addBeanPostProcessor(idPostProcessor);
        beans.setBeanExpressionResolver(new StandardBeanExpressionResolver() {
            @Override
            protected void customizeEvaluationContext(StandardEvaluationContext evalContext) {
                try {
                    evalContext.registerFunction("getService", ExpressionFunctions.class.getDeclaredMethod("getService", new Class[]{String.class}));
                } catch(NoSuchMethodException me) {
                    LOG.error("Unable to register custom expression to data dictionary bean factory", me);
                }
            }
        });

        // special converters for shorthand map and list property syntax
        GenericConversionService conversionService = new GenericConversionService();
        conversionService.addConverter(new StringMapConverter());
        conversionService.addConverter(new StringListConverter());

        beans.setConversionService(conversionService);
    } catch (Exception e1) {
        throw new DataDictionaryException("Cannot create component decorator post processor: " + e1.getMessage(),
                e1);
    }
}