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Spring

Spring Web Flow question

Ranch Hand

Posts: 71

posted 9 years ago

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I'm looking at an example of Spring Web Flow from "Spring In Action, Volume 4" by Craig Walls. A main flow calls a customer flow defined by customer.xml:

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

<input name="order" required="true"/>
    
    
    <view-state id="welcome">
        <transition on="phoneEntered" to="lookupCustomer"/>
        <transition on="cancel" to="cancel"/>
    </view-state>
    
    <action-state id="lookupCustomer">
        <evaluate result="order.customer" expression=
            "pizzaFlowActions.lookupCustomer(requestParameters.phoneNumber)" />
        <transition to="registrationForm" on-exception=
            "com.springinaction.pizza.service.CustomerNotFoundException" />
        <transition to="customerReady" />
    </action-state>
    
    <view-state id="registrationForm" model="order" popup="true" >
        <on-entry>
          <evaluate expression=
              "order.customer.phoneNumber = requestParameters.phoneNumber" />
        </on-entry>
        <transition on="submit" to="checkDeliveryArea" />
        <transition on="cancel" to="cancel" />
    </view-state>
    
    <decision-state id="checkDeliveryArea">
      <if test="pizzaFlowActions.checkDeliveryArea(order.customer.zipCode)" 
          then="addCustomer" 
          else="deliveryWarning"/>
    </decision-state>
    
    <view-state id="deliveryWarning">
        <transition on="accept" to="addCustomer" />
        <transition on="cancel" to="cancel" />
    </view-state>
    
    <action-state id="addCustomer">
        <evaluate expression="pizzaFlowActions.addCustomer(order.customer)" />
        <transition to="customerReady" />
    </action-state>
            
    
    <end-state id="cancel" />
    <end-state id="customerReady" />
</flow>

The deliveryWarning view state, <view-state id="deliveryWarning"> is backed up by the view deliveryWarning.jsp:

My question is why isn't the <a href="...."/> in deliveryWarning.jsp wrapped in CDATA as follows:

Ranch Hand

Posts: 43

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posted 9 years ago

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Why do you think should it be wrapped in CDATA? Is it because of the '${flowExecutionUrl}'?

That is a property placeholder. A little bit is explained at the bottom of section 8.3.1 in that book you mentioned.

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