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4.35. Virtual Object Model Example
<?xml version="1.0"?>
<smooks-resource-list xmlns="http://www.milyn.org/xsd/smooks-1.1.xsd"
xmlns:jb="http://www.milyn.org/xsd/smooks/javabean-1.4.xsd"
xmlns:ftl="http://www.milyn.org/xsd/smooks/freemarker-1.1.xsd">
<!--
Bind data from the message into a Virtual Object model in the bean context....
-->
<jb:bean beanId="order" class="java.util.HashMap" createOnElement="order">
<jb:wiring property="header" beanIdRef="header" />
<jb:wiring property="orderItems" beanIdRef="orderItems" />
</jb:bean>
<jb:bean beanId="header" class="java.util.HashMap" createOnElement="order">
<jb:value property="date" decoder="Date" data="header/date">
<jb:decodeParam name="format">EEE MMM dd HH:mm:ss z yyyy</jb:decodeParam>
</jb:value>
<jb:value property="customerNumber" decoder="Long" data="header/customer/@number" />
<jb:value property="customerName" data="header/customer" />
<jb:expression property="total" execOnElement="order-item" >
header.total + (orderItem.price * orderItem.quantity);
</jb:expression>
</jb:bean>
<jb:bean beanId="orderItems" class="java.util.ArrayList" createOnElement="order">
<jb:wiring beanIdRef="orderItem" />
</jb:bean>
<jb:bean beanId="orderItem" class="java.util.HashMap" createOnElement="order-item">
<jb:value property="productId" decoder="Long" data="order-item/product" />
<jb:value property="quantity" decoder="Integer" data="order-item/quantity" />
<jb:value property="price" decoder="Double" data="order-item/price" />
</jb:bean>
<!--
Use a FreeMarker template to perform the model driven transformation on the Virtual Object Model...
-->
<ftl:freemarker applyOnElement="order">
<ftl:template>/templates/orderA-to-orderB.ftl</ftl:template>
</ftl:freemarker>
</smooks-resource-list>
Note above how the decoder attribute for a Virtual Model (Map) is always defined. This is because Smooks has no way of auto-detecting the decode type for data binding to a Map. If you need typed values bound into your Virtual Model, you need to specify an appropriate decoder. If the decoder is not specified in this case, Smooks will simply bind the data into the Virtual Model as a String.
