Example usage for org.springframework.scripting.config LangNamespaceUtils registerScriptFactoryPostProcessorIfNecessary

Introduction

In this page you can find the example usage for org.springframework.scripting.config LangNamespaceUtils registerScriptFactoryPostProcessorIfNecessary.

Prototype

public static BeanDefinition registerScriptFactoryPostProcessorIfNecessary(BeanDefinitionRegistry registry) 

Source Link

Document

Register a ScriptFactoryPostProcessor bean definition in the supplied BeanDefinitionRegistry if the ScriptFactoryPostProcessor hasn't already been registered.

Usage

From source file:org.romaz.spring.scripting.ext.ExtScriptBeanDefinitionParser.java

/**
 * Parses the dynamic object element and returns the resulting bean definition.
 * Registers a {@link ScriptFactoryPostProcessor} if needed.
 *///from   w w w. java2 s . com
@Override
protected AbstractBeanDefinition parseInternal(Element element, ParserContext parserContext) {
    // Resolve the script source.
    String value = resolveScriptSource(element, parserContext.getReaderContext());
    if (value == null) {
        return null;
    }

    // Set up infrastructure.
    LangNamespaceUtils.registerScriptFactoryPostProcessorIfNecessary(parserContext.getRegistry());

    // Create script factory bean definition.
    GenericBeanDefinition bd = new GenericBeanDefinition();
    bd.setBeanClassName(this.scriptFactoryClassName);
    bd.setSource(parserContext.extractSource(element));

    // Determine bean scope.
    String scope = element.getAttribute(SCOPE_ATTRIBUTE);
    if (StringUtils.hasLength(scope)) {
        bd.setScope(scope);
    }

    // Determine autowire mode.
    String autowire = element.getAttribute(AUTOWIRE_ATTRIBUTE);
    int autowireMode = parserContext.getDelegate().getAutowireMode(autowire);
    // Only "byType" and "byName" supported, but maybe other default inherited...
    if (autowireMode == GenericBeanDefinition.AUTOWIRE_AUTODETECT) {
        autowireMode = GenericBeanDefinition.AUTOWIRE_BY_TYPE;
    } else if (autowireMode == GenericBeanDefinition.AUTOWIRE_CONSTRUCTOR) {
        autowireMode = GenericBeanDefinition.AUTOWIRE_NO;
    }
    bd.setAutowireMode(autowireMode);

    // Determine dependency check setting.
    String dependencyCheck = element.getAttribute(DEPENDENCY_CHECK_ATTRIBUTE);
    bd.setDependencyCheck(parserContext.getDelegate().getDependencyCheck(dependencyCheck));

    // Retrieve the defaults for bean definitions within this parser context
    BeanDefinitionDefaults beanDefinitionDefaults = parserContext.getDelegate().getBeanDefinitionDefaults();

    // Determine init method and destroy method.
    String initMethod = element.getAttribute(INIT_METHOD_ATTRIBUTE);
    if (StringUtils.hasLength(initMethod)) {
        bd.setInitMethodName(initMethod);
    } else if (beanDefinitionDefaults.getInitMethodName() != null) {
        bd.setInitMethodName(beanDefinitionDefaults.getInitMethodName());
    }

    String destroyMethod = element.getAttribute(DESTROY_METHOD_ATTRIBUTE);
    if (StringUtils.hasLength(destroyMethod)) {
        bd.setDestroyMethodName(destroyMethod);
    } else if (beanDefinitionDefaults.getDestroyMethodName() != null) {
        bd.setDestroyMethodName(beanDefinitionDefaults.getDestroyMethodName());
    }

    // Attach any refresh metadata.
    String refreshCheckDelay = element.getAttribute(REFRESH_CHECK_DELAY_ATTRIBUTE);
    if (StringUtils.hasText(refreshCheckDelay)) {
        bd.setAttribute(ScriptFactoryPostProcessor.REFRESH_CHECK_DELAY_ATTRIBUTE, new Long(refreshCheckDelay));
    }

    // Add constructor arguments.
    ConstructorArgumentValues cav = bd.getConstructorArgumentValues();
    int constructorArgNum = 0;
    cav.addIndexedArgumentValue(constructorArgNum++, value);
    if (element.hasAttribute(SCRIPT_INTERFACES_ATTRIBUTE)) {
        cav.addIndexedArgumentValue(constructorArgNum++, element.getAttribute(SCRIPT_INTERFACES_ATTRIBUTE));
    }
    if (element.hasAttribute(SCRIPT_CONFIG_ATTRIBUTE)) {
        cav.addIndexedArgumentValue(constructorArgNum++,
                new RuntimeBeanReference(element.getAttribute(SCRIPT_CONFIG_ATTRIBUTE)));
    }
    // Add any property definitions that need adding.
    parserContext.getDelegate().parsePropertyElements(element, bd);

    return bd;
}

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