Package org.apache.struts2.interceptor
Class CreateSessionInterceptor
java.lang.Object
org.apache.struts2.interceptor.AbstractInterceptor
org.apache.struts2.interceptor.CreateSessionInterceptor
- All Implemented Interfaces:
Serializable
,ConditionalInterceptor
,Interceptor
This interceptor creates the HttpSession if it doesn't exist, also SessionMap is recreated and put in ServletActionContext.
This is particular useful when using the <@s.token> tag in freemarker templates. The tag do require that a HttpSession is already created since freemarker commits the response to the client immediately.
Interceptor parameters:
- None
- None
Example:
<action name="someAction" class="com.examples.SomeAction"> <interceptor-ref name="createSession"/> <interceptor-ref name="defaultStack"/> <result name="input">input_with_token_tag.ftl</result> </action>
- See Also:
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Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionintercept
(ActionInvocation invocation) Override to handle interceptionMethods inherited from class org.apache.struts2.interceptor.AbstractInterceptor
destroy, init, setDisabled, shouldIntercept
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Constructor Details
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CreateSessionInterceptor
public CreateSessionInterceptor()
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Method Details
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intercept
Description copied from class:AbstractInterceptor
Override to handle interception- Specified by:
intercept
in interfaceInterceptor
- Specified by:
intercept
in classAbstractInterceptor
- Parameters:
invocation
- the action invocation- Returns:
- the return code, either returned from
ActionInvocation.invoke()
, or from the interceptor itself. - Throws:
Exception
- any system-level error, as defined inAction.execute()
.
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