Java ScriptFactory类代码示例

import org.springframework.scripting.ScriptFactory; //导入依赖的package包/类
/**
 * Create a new RefreshableScriptTargetSource.
 * @param beanFactory the BeanFactory to fetch the scripted bean from
 * @param beanName the name of the target bean
 * @param scriptFactory the ScriptFactory to delegate to for determining
 * whether a refresh is required
 * @param scriptSource the ScriptSource for the script definition
 * @param isFactoryBean whether the target script defines a FactoryBean
 */
public RefreshableScriptTargetSource(BeanFactory beanFactory, String beanName,
		ScriptFactory scriptFactory, ScriptSource scriptSource, boolean isFactoryBean) {

	super(beanFactory, beanName);
	Assert.notNull(scriptFactory, "ScriptFactory must not be null");
	Assert.notNull(scriptSource, "ScriptSource must not be null");
	this.scriptFactory = scriptFactory;
	this.scriptSource = scriptSource;
	this.isFactoryBean = isFactoryBean;
}
 

import org.springframework.scripting.ScriptFactory; //导入依赖的package包/类
/**
 * Prepare the script beans in the internal BeanFactory that this
 * post-processor uses. Each original bean definition will be split
 * into a ScriptFactory definition and a scripted object definition.
 * @param bd the original bean definition in the main BeanFactory
 * @param scriptFactoryBeanName the name of the internal ScriptFactory bean
 * @param scriptedObjectBeanName the name of the internal scripted object bean
 */
protected void prepareScriptBeans(BeanDefinition bd, String scriptFactoryBeanName, String scriptedObjectBeanName) {

	// Avoid recreation of the script bean definition in case of a prototype.
	synchronized (this.scriptBeanFactory) {
		if (!this.scriptBeanFactory.containsBeanDefinition(scriptedObjectBeanName)) {

			this.scriptBeanFactory.registerBeanDefinition(scriptFactoryBeanName,
					createScriptFactoryBeanDefinition(bd));
			ScriptFactory scriptFactory = this.scriptBeanFactory
					.getBean(scriptFactoryBeanName, ScriptFactory.class);
			ScriptSource scriptSource = getScriptSource(scriptFactoryBeanName,
					scriptFactory.getScriptSourceLocator());
			Class<?>[] interfaces = scriptFactory.getScriptInterfaces();

			Class<?>[] scriptedInterfaces = interfaces;
			if (scriptFactory.requiresConfigInterface() && !bd.getPropertyValues().isEmpty()) {
				Class<?> configInterface = createConfigInterface(bd, interfaces);
				scriptedInterfaces = ObjectUtils.addObjectToArray(interfaces, configInterface);
			}

			BeanDefinition objectBd = createScriptedObjectBeanDefinition(bd, scriptFactoryBeanName, scriptSource,
					scriptedInterfaces);
			long refreshCheckDelay = resolveRefreshCheckDelay(bd);
			if (refreshCheckDelay >= 0) {
				objectBd.setScope(BeanDefinition.SCOPE_PROTOTYPE);
			}

			this.scriptBeanFactory.registerBeanDefinition(scriptedObjectBeanName, objectBd);
		}
	}
}
 

import org.springframework.scripting.ScriptFactory; //导入依赖的package包/类
/**
    * Prepare the script beans in the internal BeanFactory that this
    * post-processor uses. Each original bean definition will be split into a
    * ScriptFactory definition and a scripted object definition.
    * 
    * @param bd
    *            the original bean definition in the main BeanFactory
    * @param scriptFactoryBeanName
    *            the name of the internal ScriptFactory bean
    * @param scriptedObjectBeanName
    *            the name of the internal scripted object bean
    */
   protected void prepareScriptBeans(BeanDefinition bd, String scriptFactoryBeanName, String scriptedObjectBeanName) {

// Avoid recreation of the script bean definition in case of a
// prototype.
synchronized (this.scriptBeanFactory) {
    if (!this.scriptBeanFactory.containsBeanDefinition(scriptedObjectBeanName)) {

	this.scriptBeanFactory.registerBeanDefinition(scriptFactoryBeanName,
		createScriptFactoryBeanDefinition(bd));
	ScriptFactory scriptFactory = this.scriptBeanFactory.getBean(scriptFactoryBeanName,
		ScriptFactory.class);
	ScriptSource scriptSource = getScriptSource(scriptFactoryBeanName,
		scriptFactory.getScriptSourceLocator());
	Class<?>[] interfaces = scriptFactory.getScriptInterfaces();

	Class<?>[] scriptedInterfaces = interfaces;
	if (scriptFactory.requiresConfigInterface() && !bd.getPropertyValues().isEmpty()) {
	    Class<?> configInterface = createConfigInterface(bd, interfaces);
	    scriptedInterfaces = (Class<?>[]) ObjectUtils.addObjectToArray(interfaces, configInterface);
	}

	BeanDefinition objectBd = createScriptedObjectBeanDefinition(bd, scriptFactoryBeanName, scriptSource,
		scriptedInterfaces);
	long refreshCheckDelay = resolveRefreshCheckDelay(bd);
	if (refreshCheckDelay >= 0) {
	    objectBd.setScope(BeanDefinition.SCOPE_PROTOTYPE);
	}

	this.scriptBeanFactory.registerBeanDefinition(scriptedObjectBeanName, objectBd);
    }
}
   }
 

import org.springframework.scripting.ScriptFactory; //导入依赖的package包/类
/**
 * Prepare the script beans in the internal BeanFactory that this
 * post-processor uses. Each original bean definition will be split
 * into a ScriptFactory definition and a scripted object definition.
 * @param bd the original bean definition in the main BeanFactory
 * @param scriptFactoryBeanName the name of the internal ScriptFactory bean
 * @param scriptedObjectBeanName the name of the internal scripted object bean
 */
protected void prepareScriptBeans(BeanDefinition bd, String scriptFactoryBeanName, String scriptedObjectBeanName) {
	// Avoid recreation of the script bean definition in case of a prototype.
	synchronized (this.scriptBeanFactory) {
		if (!this.scriptBeanFactory.containsBeanDefinition(scriptedObjectBeanName)) {

			this.scriptBeanFactory.registerBeanDefinition(
					scriptFactoryBeanName, createScriptFactoryBeanDefinition(bd));
			ScriptFactory scriptFactory =
					this.scriptBeanFactory.getBean(scriptFactoryBeanName, ScriptFactory.class);
			ScriptSource scriptSource =
					getScriptSource(scriptFactoryBeanName, scriptFactory.getScriptSourceLocator());
			Class<?>[] interfaces = scriptFactory.getScriptInterfaces();

			Class<?>[] scriptedInterfaces = interfaces;
			if (scriptFactory.requiresConfigInterface() && !bd.getPropertyValues().isEmpty()) {
				Class<?> configInterface = createConfigInterface(bd, interfaces);
				scriptedInterfaces = ObjectUtils.addObjectToArray(interfaces, configInterface);
			}

			BeanDefinition objectBd = createScriptedObjectBeanDefinition(
					bd, scriptFactoryBeanName, scriptSource, scriptedInterfaces);
			long refreshCheckDelay = resolveRefreshCheckDelay(bd);
			if (refreshCheckDelay >= 0) {
				objectBd.setScope(BeanDefinition.SCOPE_PROTOTYPE);
			}

			this.scriptBeanFactory.registerBeanDefinition(scriptedObjectBeanName, objectBd);
		}
	}
}
 

import org.springframework.scripting.ScriptFactory; //导入依赖的package包/类
@Override
public Class<?> predictBeanType(Class<?> beanClass, String beanName) {
	// We only apply special treatment to ScriptFactory implementations here.
	if (!ScriptFactory.class.isAssignableFrom(beanClass)) {
		return null;
	}

	BeanDefinition bd = this.beanFactory.getMergedBeanDefinition(beanName);

	try {
		String scriptFactoryBeanName = SCRIPT_FACTORY_NAME_PREFIX + beanName;
		String scriptedObjectBeanName = SCRIPTED_OBJECT_NAME_PREFIX + beanName;
		prepareScriptBeans(bd, scriptFactoryBeanName, scriptedObjectBeanName);

		ScriptFactory scriptFactory = this.scriptBeanFactory.getBean(scriptFactoryBeanName, ScriptFactory.class);
		ScriptSource scriptSource = getScriptSource(scriptFactoryBeanName, scriptFactory.getScriptSourceLocator());
		Class<?>[] interfaces = scriptFactory.getScriptInterfaces();

		Class<?> scriptedType = scriptFactory.getScriptedObjectType(scriptSource);
		if (scriptedType != null) {
			return scriptedType;
		}
		else if (!ObjectUtils.isEmpty(interfaces)) {
			return (interfaces.length == 1 ? interfaces[0] : createCompositeInterface(interfaces));
		}
		else {
			if (bd.isSingleton()) {
				Object bean = this.scriptBeanFactory.getBean(scriptedObjectBeanName);
				if (bean != null) {
					return bean.getClass();
				}
			}
		}
	}
	catch (Exception ex) {
		if (ex instanceof BeanCreationException
				&& ((BeanCreationException) ex).getMostSpecificCause() instanceof BeanCurrentlyInCreationException) {
			if (logger.isTraceEnabled()) {
				logger.trace("Could not determine scripted object type for bean '" + beanName + "': "
						+ ex.getMessage());
			}
		}
		else {
			if (logger.isDebugEnabled()) {
				logger.debug("Could not determine scripted object type for bean '" + beanName + "'", ex);
			}
		}
	}

	return null;
}
 

import org.springframework.scripting.ScriptFactory; //导入依赖的package包/类
@Override
public Object postProcessBeforeInstantiation(Class<?> beanClass, String beanName) {
	// We only apply special treatment to ScriptFactory implementations here.
	if (!ScriptFactory.class.isAssignableFrom(beanClass)) {
		return null;
	}

	BeanDefinition bd = this.beanFactory.getMergedBeanDefinition(beanName);
	String scriptFactoryBeanName = SCRIPT_FACTORY_NAME_PREFIX + beanName;
	String scriptedObjectBeanName = SCRIPTED_OBJECT_NAME_PREFIX + beanName;
	prepareScriptBeans(bd, scriptFactoryBeanName, scriptedObjectBeanName);

	ScriptFactory scriptFactory = this.scriptBeanFactory.getBean(scriptFactoryBeanName, ScriptFactory.class);
	ScriptSource scriptSource = getScriptSource(scriptFactoryBeanName, scriptFactory.getScriptSourceLocator());
	boolean isFactoryBean = false;
	try {
		Class<?> scriptedObjectType = scriptFactory.getScriptedObjectType(scriptSource);
		// Returned type may be null if the factory is unable to determine the type.
		if (scriptedObjectType != null) {
			isFactoryBean = FactoryBean.class.isAssignableFrom(scriptedObjectType);
		}
	}
	catch (Exception ex) {
		throw new BeanCreationException(beanName,
				"Could not determine scripted object type for " + scriptFactory, ex);
	}

	long refreshCheckDelay = resolveRefreshCheckDelay(bd);
	if (refreshCheckDelay >= 0) {
		Class<?>[] interfaces = scriptFactory.getScriptInterfaces();
		RefreshableScriptTargetSource ts = new RefreshableScriptTargetSource(this.scriptBeanFactory,
				scriptedObjectBeanName, scriptFactory, scriptSource, isFactoryBean);
		boolean proxyTargetClass = resolveProxyTargetClass(bd);
		String language = (String) bd.getAttribute(LANGUAGE_ATTRIBUTE);
		if (proxyTargetClass && (language == null || !language.equals("groovy"))) {
			throw new BeanDefinitionValidationException(
					"Cannot use proxyTargetClass=true with script beans where language is not 'groovy': '" +
					language + "'");
		}
		ts.setRefreshCheckDelay(refreshCheckDelay);
		return createRefreshableProxy(ts, interfaces, proxyTargetClass);
	}

	if (isFactoryBean) {
		scriptedObjectBeanName = BeanFactory.FACTORY_BEAN_PREFIX + scriptedObjectBeanName;
	}
	return this.scriptBeanFactory.getBean(scriptedObjectBeanName);
}
 

import org.springframework.scripting.ScriptFactory; //导入依赖的package包/类
@Override
   public Class<?> predictBeanType(Class<?> beanClass, String beanName) {
// We only apply special treatment to ScriptFactory implementations
// here.
if (!ScriptFactory.class.isAssignableFrom(beanClass)) {
    return null;
}

BeanDefinition bd = this.beanFactory.getMergedBeanDefinition(beanName);

try {
    String scriptFactoryBeanName = SCRIPT_FACTORY_NAME_PREFIX + beanName;
    String scriptedObjectBeanName = SCRIPTED_OBJECT_NAME_PREFIX + beanName;
    prepareScriptBeans(bd, scriptFactoryBeanName, scriptedObjectBeanName);

    ScriptFactory scriptFactory = this.scriptBeanFactory.getBean(scriptFactoryBeanName, ScriptFactory.class);
    ScriptSource scriptSource = getScriptSource(scriptFactoryBeanName, scriptFactory.getScriptSourceLocator());
    Class<?>[] interfaces = scriptFactory.getScriptInterfaces();

    Class<?> scriptedType = scriptFactory.getScriptedObjectType(scriptSource);
    if (scriptedType != null) {
	return scriptedType;
    } else if (!ObjectUtils.isEmpty(interfaces)) {
	return (interfaces.length == 1 ? interfaces[0] : createCompositeInterface(interfaces));
    } else {
	if (bd.isSingleton()) {
	    Object bean = this.scriptBeanFactory.getBean(scriptedObjectBeanName);
	    if (bean != null) {
		return bean.getClass();
	    }
	}
    }
} catch (Exception ex) {
    if (ex instanceof BeanCreationException && ((BeanCreationException) ex)
	    .getMostSpecificCause() instanceof BeanCurrentlyInCreationException) {
	if (logger.isTraceEnabled()) {
	    logger.trace(
		    "Could not determine scripted object type for bean '" + beanName + "': " + ex.getMessage());
	}
    } else {
	if (logger.isDebugEnabled()) {
	    logger.debug("Could not determine scripted object type for bean '" + beanName + "'", ex);
	}
    }
}

return null;
   }
 

import org.springframework.scripting.ScriptFactory; //导入依赖的package包/类
@SuppressWarnings("rawtypes")
   @Override
   public Object postProcessBeforeInstantiation(Class beanClass, String beanName) {
// We only apply special treatment to ScriptFactory implementations
// here.
if (!ScriptFactory.class.isAssignableFrom(beanClass)) {
    return null;
}

BeanDefinition bd = this.beanFactory.getMergedBeanDefinition(beanName);
String scriptFactoryBeanName = SCRIPT_FACTORY_NAME_PREFIX + beanName;
String scriptedObjectBeanName = SCRIPTED_OBJECT_NAME_PREFIX + beanName;
prepareScriptBeans(bd, scriptFactoryBeanName, scriptedObjectBeanName);

ScriptFactory scriptFactory = this.scriptBeanFactory.getBean(scriptFactoryBeanName, ScriptFactory.class);
ScriptSource scriptSource = getScriptSource(scriptFactoryBeanName, scriptFactory.getScriptSourceLocator());
boolean isFactoryBean = false;
try {
    Class<?> scriptedObjectType = scriptFactory.getScriptedObjectType(scriptSource);
    // Returned type may be null if the factory is unable to determine
    // the type.
    if (scriptedObjectType != null) {
	isFactoryBean = FactoryBean.class.isAssignableFrom(scriptedObjectType);
    }
} catch (Exception ex) {
    throw new BeanCreationException(beanName, "Could not determine scripted object type for " + scriptFactory,
	    ex);
}

long refreshCheckDelay = resolveRefreshCheckDelay(bd);
if (refreshCheckDelay >= 0) {
    Class<?>[] interfaces = scriptFactory.getScriptInterfaces();
    RefreshableScriptTargetSource ts = new RefreshableScriptTargetSource(this.scriptBeanFactory,
	    scriptedObjectBeanName, scriptFactory, scriptSource, isFactoryBean);
    boolean proxyTargetClass = resolveProxyTargetClass(bd);
    String language = (String) bd.getAttribute(LANGUAGE_ATTRIBUTE);
    if (proxyTargetClass && (language == null || !language.equals("groovy"))) {
	throw new BeanDefinitionValidationException(
		"Cannot use proxyTargetClass=true with script beans where language is not 'groovy': '"
			+ language + "'");
    }
    ts.setRefreshCheckDelay(refreshCheckDelay);
    return createRefreshableProxy(ts, interfaces, proxyTargetClass);
}

if (isFactoryBean) {
    scriptedObjectBeanName = BeanFactory.FACTORY_BEAN_PREFIX + scriptedObjectBeanName;
}
return this.scriptBeanFactory.getBean(scriptedObjectBeanName);
   }
 

import org.springframework.scripting.ScriptFactory; //导入依赖的package包/类
@Override
public Object postProcessBeforeInstantiation(Class<?> beanClass, String beanName) {
	// We only apply special treatment to ScriptFactory implementations here.
	if (!ScriptFactory.class.isAssignableFrom(beanClass)) {
		return null;
	}

	BeanDefinition bd = this.beanFactory.getMergedBeanDefinition(beanName);
	String scriptFactoryBeanName = SCRIPT_FACTORY_NAME_PREFIX + beanName;
	String scriptedObjectBeanName = SCRIPTED_OBJECT_NAME_PREFIX + beanName;
	prepareScriptBeans(bd, scriptFactoryBeanName, scriptedObjectBeanName);

	ScriptFactory scriptFactory = this.scriptBeanFactory.getBean(scriptFactoryBeanName, ScriptFactory.class);
	ScriptSource scriptSource = getScriptSource(scriptFactoryBeanName, scriptFactory.getScriptSourceLocator());
	boolean isFactoryBean = false;
	try {
		Class<?> scriptedObjectType = scriptFactory.getScriptedObjectType(scriptSource);
		// Returned type may be null if the factory is unable to determine the type.
		if (scriptedObjectType != null) {
			isFactoryBean = FactoryBean.class.isAssignableFrom(scriptedObjectType);
		}
	}
	catch (Exception ex) {
		throw new BeanCreationException(beanName,
				"Could not determine scripted object type for " + scriptFactory, ex);
	}

	long refreshCheckDelay = resolveRefreshCheckDelay(bd);
	if (refreshCheckDelay >= 0) {
		Class<?>[] interfaces = scriptFactory.getScriptInterfaces();
		RefreshableScriptTargetSource ts = new RefreshableScriptTargetSource(this.scriptBeanFactory,
				scriptedObjectBeanName, scriptFactory, scriptSource, isFactoryBean);
		boolean proxyTargetClass = resolveProxyTargetClass(bd);
		String language = (String) bd.getAttribute(LANGUAGE_ATTRIBUTE);
		if (proxyTargetClass && (language == null || !language.equals("groovy"))) {
			throw new BeanDefinitionValidationException(
					"Cannot use proxyTargetClass=true with script beans where language is not 'groovy': '" +
							language + "'");
		}
		ts.setRefreshCheckDelay(refreshCheckDelay);
		return createRefreshableProxy(ts, interfaces, proxyTargetClass);
	}

	if (isFactoryBean) {
		scriptedObjectBeanName = BeanFactory.FACTORY_BEAN_PREFIX + scriptedObjectBeanName;
	}
	return this.scriptBeanFactory.getBean(scriptedObjectBeanName);
}