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added section on view resolution

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Scott Andrews
2008-04-11 18:39:43 +00:00
parent 2c2dc09dbf
commit f235bb2011
1 changed files with 24 additions and 0 deletions
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spring-webflow-reference/src/spring-mvc.xml
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@@ -117,5 +117,29 @@ public class BookingFlowHandler extends AbstractFlowHandler {
}
]]></programlisting>
</sect2>
<sect2 id="spring-mvc-config-spring-view-resolution">
<title>View Resolution</title>
<para>
Views in Web Flow 2.0 attempt to automatically resolve unless explicitly specified.
In a Spring MVC environment, a <code>view-state</code> will try to find a JSP view based on the <code>id</code> of the state.
For example, <code>&lt;view-state id="intro"&gt;</code> will resolve to <code>intro.jsp</code> in the same directory as the flow definition.
By specifying the <code>view</code> attribute, a different file name can be selected, however, it must still be a JSP file.
</para>
<para>
A custom view resolver is required if different behavior is needed.
To create a custom view resolver the <code>flow-builder-services</code> attribute on <code>flow-registry</code> must define a new <code>webflow:flow-builder-services</code> element with a <code>view-factory-creator</code>.
</para>
<programlisting language="xml"><![CDATA[
<webflow:flow-registry id="flowRegistry" flow-builder-services="flowBuilderServices">
...
</webflow:flow-registry>
<webflow:flow-builder-services id="flowBuilderServices" view-factory-creator="mvcViewFactoryCreator"/>
<bean id="mvcViewFactoryCreator" class="org.springframework.webflow.mvc.MvcViewFactoryCreator">
<property name="viewResolvers" ref="customViewResolver"/>
</bean>
]]></programlisting>
</sect2>
</sect1>
</chapter>