Problem using LookupDispatchAction

["Gallagher, Jim (RBoS ITD&S Dublin)" <Ji...@rbs.co.uk>]

Hi,

	I've persuaded my project team to upgrade from Struts 1.1 to Struts
1.2.9, simply to allow use of the LookupDispatchAction. However, it's not
working correctly for me. Have I misunderstood the requirements, or is there
something else obvious I'm doing wrong? I followed the instructions found in
the Javadoc at
http://struts.apache.org/1.2.x/api/org/apache/struts/actions/LookupDispatchA
ction.html
<http://struts.apache.org/1.2.x/api/org/apache/struts/actions/LookupDispatch
Action.html> 

My JSP (form is scContactCardOptions):

<html:submit value="View Existing Order"
				property="operation" /> &nbsp; <html:submit
				value="orderReplacement"
property="operation" /> &nbsp; <html:submit
				value="Save Service User Number"
property="operation" />


My struts-config.xml:

		<action path="/scContactCardOptions"
type="com.rbsg.application.serviceuserweb.actions.ScContactCardOptionsAction
" name="scContactCardOptionsBean" parameter="operation">
			<forward name="savesuno"
path="ScContactCardPath"></forward>
			<forward name="viewexistingorder"
path="ScContactOrderPath"></forward>
			<forward name="replacementorder"
path="ScReplaceOrderPath"></forward>
		</action>

My action class:

public class ScContactCardOptionsAction extends LookupDispatchAction {

	ActionMessages errors = null;
	ActionForward forward = null;

	/* (non-Javadoc)
	 * @see
org.apache.struts.actions.LookupDispatchAction#getKeyMethodMap()
	 */
	protected Map getKeyMethodMap() {
		System.out.println("executing getKeyMethodMap()");
		Map map = new HashMap();
		map.put("orderReplacement", "orderReplacement");
		map.put("View Existing Order", "viewExistingOrder");
		map.put("Save Service User Number", "saveSUNo");
		return map;
	}

	public ActionForward saveSUNo(
		ActionMapping mapping,
		ActionForm form,
		HttpServletRequest request,
		HttpServletResponse response)
		throws Exception {

		errors = new ActionMessages();
		forward = new ActionForward();
		getUserPreferences(mapping, request);

		ScContactCardOptionsFormBean sssb =
(ScContactCardOptionsFormBean) form;
		String contactID = sssb.getContactID();
		String serviceUserNo = sssb.getServiceUserNo();

		if (errors.isEmpty()) {
			// Forward control to the appropriate 'success' URI
(change name as desired)
			forward = mapping.findForward("savesuno");
		} else {
			// If a message is required, save the specified
key(s)
			// into the request for use by the <struts:errors>
tag.
			saveErrors(request, errors);
		}

		// Finish with
		return (forward);

	}

Further methods called orderReplacement and viewExistingOrder are defined in
an indentical fashion to saveSUNo. 

The exact error message is:

[24/11/06 14:40:21:451 GMT] 6aa82178 DispatchActio E
org.apache.struts.actions.DispatchAction  Action[/scContactCardOptions] does
not contain method named 'View Existing Order'
[24/11/06 14:40:21:451 GMT] 6aa82178 DispatchActio E
org.apache.struts.actions.DispatchAction  TRAS0014I: The following exception
was logged java.lang.NoSuchMethodException:
com.rbsg.application.serviceuserweb.actions.ScContactCardOptionsAction.View
Existing Order(org.apache.struts.action.ActionMapping,
org.apache.struts.action.ActionForm, javax.servlet.http.HttpServletRequest,
javax.servlet.http.HttpServletResponse)

Basically, the getKeyMethodMap method does not seem to be executed.

Any assistance would be gratefully received.




                                 Regards,

                                         Jim



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Re: Problem using LookupDispatchAction

[Wendy Smoak <ws...@gmail.com>]

On 11/24/06, Gallagher, Jim (RBoS ITD&S Dublin) <Ji...@rbs.co.uk> wrote:

>         I've persuaded my project team to upgrade from Struts 1.1 to Struts
> 1.2.9, simply to allow use of the LookupDispatchAction. However, it's not
> working correctly for me. Have I misunderstood the requirements, or is there
> something else obvious I'm doing wrong?

First, EventDispatchAction is a *much* better choice.  Please use that instead.

http://struts.apache.org/1.2.9/api/org/apache/struts/actions/EventDispatchAction.html

(LDA does a reverse lookup from button text to property name and then
(in the key method map,) from property name to method name.  You
didn't show the .properties file, but I doubt your getKeyMethodMap
method is correct as written.  Compare it to the one in the Javadoc.)

-- 
Wendy

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