Java 如何以编程方式加载SpringWebFlow流并获取其内容

我需要在JAVA中以编程方式加载现有的SpringWebFlow流，以检查它的安全标记

我的目标是在特定事件之后检查安全标签

这里使用SpringWebFlow2.4。我的流程如下所示：

<?xml version="1.0" encoding="UTF-8"?>
<flow xmlns="http://www.springframework.org/schema/webflow"
xmlns:ns0="http://www.w3.org/2001/XMLSchema-instance"
ns0:schemaLocation="http://www.springframework.org/schema/webflow http://www.springframework.org/schema/webflow/spring-webflow-2.0.xsd">


<secured attributes="RIGHT_1,RIGHT_2" />

<view-state id="someViewState">
[...]
</view-state>

[...]

</flow>

[...]
[...]

那么，如何通过SpringAPI获取这些流的“内容”？我试图通过org.springframework.webflow.config包中的类找到自己的方法，但我没有找到解决办法。我甚至无法成功加载流

我使用流已经有一段时间了，但我从不需要在Java代码中访问它们

谢谢，有什么提示吗。

我自己弄到的：

在扩展org.springframework.web.servlet.mvc.AbstractController的类中，可以执行以下操作：

// get the application Context
ApplicationContext context = getApplicationContext();
// get webflowController, must be configured in your webflowConfig file
FlowController controller = (FlowController)context.getBean("flowController");
FlowExecutorImpl flowExecutorImpl = (FlowExecutorImpl)controller.getFlowExecutor();
FlowDefinitionRegistryImpl flowDefinitionRegistryImpl = (FlowDefinitionRegistryImpl)flowExecutorImpl.getDefinitionLocator();

// flowId is the id of the flow you want to check
FlowDefinition flowDefinition = flowDefinitionRegistryImpl.getFlowDefinition(flowId);

MutableAttributeMap<Object> attributes = flowDefinition.getAttributes();

// finally the SecurityRule Object that you can pass to a specific AccessDecisionManager
SecurityRule securityRule = (SecurityRule)attributes.get("secured");

//获取应用程序上下文
ApplicationContext上下文=getApplicationContext（）；
//必须在webflowConfig文件中配置get-webflowController
FlowController=（FlowController）context.getBean（“FlowController”）；
FlowExecuteImpl FlowExecuteImpl=（FlowExecuteImpl）控制器。getFlowExecutor（）；
FlowDefinitionRegistryImpl FlowDefinitionRegistryImpl=（FlowDefinitionRegistryImpl）FlowExecuteImpl.getDefinitionLocator（）；
//flowId是要检查的流的id
FlowDefinition FlowDefinition=flowDefinitionRegistryImpl.getFlowDefinition（flowId）；
MutableAttributeMap attributes=flowDefinition.getAttributes（）；
//最后是可以传递给特定AccessDecisionManager的SecurityRule对象
SecurityRule SecurityRule=（SecurityRule）attributes.get（“安全”）；

我自己买的：

在扩展org.springframework.web.servlet.mvc.AbstractController的类中，可以执行以下操作：

// get the application Context
ApplicationContext context = getApplicationContext();
// get webflowController, must be configured in your webflowConfig file
FlowController controller = (FlowController)context.getBean("flowController");
FlowExecutorImpl flowExecutorImpl = (FlowExecutorImpl)controller.getFlowExecutor();
FlowDefinitionRegistryImpl flowDefinitionRegistryImpl = (FlowDefinitionRegistryImpl)flowExecutorImpl.getDefinitionLocator();

// flowId is the id of the flow you want to check
FlowDefinition flowDefinition = flowDefinitionRegistryImpl.getFlowDefinition(flowId);

MutableAttributeMap<Object> attributes = flowDefinition.getAttributes();

// finally the SecurityRule Object that you can pass to a specific AccessDecisionManager
SecurityRule securityRule = (SecurityRule)attributes.get("secured");

//获取应用程序上下文
ApplicationContext上下文=getApplicationContext（）；
//必须在webflowConfig文件中配置get-webflowController
FlowController=（FlowController）context.getBean（“FlowController”）；
FlowExecuteImpl FlowExecuteImpl=（FlowExecuteImpl）控制器。getFlowExecutor（）；
FlowDefinitionRegistryImpl FlowDefinitionRegistryImpl=（FlowDefinitionRegistryImpl）FlowExecuteImpl.getDefinitionLocator（）；
//flowId是要检查的流的id
FlowDefinition FlowDefinition=flowDefinitionRegistryImpl.getFlowDefinition（flowId）；
MutableAttributeMap attributes=flowDefinition.getAttributes（）；
//最后是可以传递给特定AccessDecisionManager的SecurityRule对象
SecurityRule SecurityRule=（SecurityRule）attributes.get（“安全”）；

您可以使用FlowExecutionListener您可以使用FlowExecutionListener