DataDictionary.java 文件源码

/**
 * 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);
    }
}