Oops, try this!
public abstract class StateBaseAction
extends Action {
private static final String DISPATCH_METHOD_SUFFIX = ".method";
private static final String EXECUTE = "execute";
private static final String PERFORM = "perform";
private static final String DISPATCH_RECURSIVE = "dispatch.recursive";
private static final String DISPATCH_METHOD = "dispatch.method";
protected HashMap methods = new HashMap();
protected Class [] types = { ActionMapping.class,
ActionForm.class,
HttpServletRequest.class,
HttpServletResponse.class };
public abstract ActionForward execute(ActionMapping mapping,
ActionForm form,
HttpServletRequest request,
HttpServletResponse response)
throws IOException,
ServletException,
NoSuchMethodException;
protected void saveMessages(HttpServletRequest request,
ActionMessages errors) {
if ((errors == null) || errors.isEmpty()) {
request.removeAttribute(Globals.ERROR_KEY);
return;
}
request.setAttribute(Globals.ERROR_KEY, errors);
}
public String getMessage(HttpServletRequest request,
String key)
throws IOException,
ServletException {
HttpSession session = request.getSession();
Locale locale =
(Locale)session.getAttribute(Globals.LOCALE_KEY);
MessageResources messages = this.getResources(request);
return messages.getMessage(locale,key);
}
protected ActionForward method(Action action,
ActionMapping mapping,
ActionForm form,
HttpServletRequest request,
HttpServletResponse response)
throws Exception {
Class clazz = action.getClass();
String methodName = getMethodName(request,mapping);
if (EXECUTE.equals(methodName) || PERFORM.equals(methodName)){
MessageResources messages = MessageResources.getMessageResources
("org.apache.struts.actions.LocalStrings");
String message = messages.getMessage(DISPATCH_RECURSIVE,
mapping.getPath());
throw new ServletException(message);
}
Method method = null;
try {
method = getMethod(clazz,methodName);
} catch(NoSuchMethodException nsme) {
MessageResources messages = MessageResources.getMessageResources
("org.apache.struts.actions.LocalStrings");
String message = messages.getMessage(DISPATCH_METHOD,
mapping.getPath(), methodName);
throw nsme;
}
ActionForward forward = null;
try {
Object args[] = { mapping, form, request, response };
forward = (ActionForward)method.invoke(action, args);
} catch(ClassCastException cce) {
StdOut.log(SiteConstant.ERROR_LOG,"StateBaseAction error 108 = "
+ cce.getMessage());
} catch(IllegalAccessException iae) {
StdOut.log(SiteConstant.ERROR_LOG,"StateBaseAction errorn 110 =
" + iae.getMessage());
} catch(InvocationTargetException ite) {
Throwable t = ite.getTargetException();
if (t instanceof Exception) {
StdOut.log(SiteConstant.ERROR_LOG,"StateBaseAction error 115 =
" + ((Exception)t).getMessage());
} else {
StdOut.log(SiteConstant.ERROR_LOG,"StateBaseAction error 117 =
" + ite.getMessage());
}
}
return forward;
}
private static String getMethodName(HttpServletRequest request,
ActionMapping mapping) {
String methodName = null;
String buttonValue = null;
String paramProperty = mapping.getParameter();
if((paramProperty != null)) {
int index = paramProperty.indexOf('.');
if(index > -1) {
methodName = paramProperty.substring(0,index);
} else {
return methodName = paramProperty;
}
}
Enumeration enum = request.getParameterNames();
while(enum.hasMoreElements()) {
buttonValue = (String)enum.nextElement();
if(buttonValue.indexOf(DISPATCH_METHOD_SUFFIX) >= 0) {
methodName = buttonValue;
break;
}
}
if(methodName == null) {
return null;
}
return methodName.substring(0,methodName.indexOf('.'));
}
private Method getMethod(Class clazz,
String name)
throws NoSuchMethodException {
synchronized(methods) {
Method method = (Method) methods.get(name);
if (method == null) {
method = clazz.getMethod(name, types);
methods.put(name, method);
}
return (method);
}
}
protected ActionForward cancelled(ActionMapping mapping,
ActionForm form,
HttpServletRequest request,
HttpServletResponse response)
throws Exception {
return null;
}
}
Jack
On Fri, 14 Jan 2005 10:10:21 -0800, Dakota Jack <[EMAIL PROTECTED]> wrote:
> Hi, Todd,
>
> Check out: http://www.michaelmcgrady.com/button/. The DispatchAction
> there is unlike the one here. I use something close but a little
> different. Still, all you have to do is to give the property (name in
> HTML) the suffix you specifiy as the DISPATCH_METHOD_SUFFIX (see
> below). I use ".method". NOTE THAT THIS LEAVES YOU FREE TO SPECIFY
> WHATEVER YOU WANT AS THE parameter in the action mapping and as the
> value of the property in the submit, button, etc. This gives you all
> sorts of cool things you can do.
>
> I use:
>
> public abstract class StateBaseAction
> extends Action {
> private static final String DISPATCH_METHOD_SUFFIX = ".method";
> private static final String EXECUTE = "execute";
> private static final String PERFORM = "perform";
> private static final String DISPATCH_RECURSIVE = "dispatch.recursive";
> private static final String DISPATCH_METHOD = "dispatch.method";
> protected HashMap methods = new HashMap();
> protected Class [] types = {
> ActionMapping.class,
> ActionForm.class,
>
> HttpServletRequest.class,
>
> HttpServletResponse.class };
>
> public abstract ActionForward execute(ActionMapping mapping,
> ActionForm form,
> HttpServletRequest request,
> HttpServletResponse response)
> throws IOException,
> ServletException,
> NoSuchMethodException;
>
> protected void saveMessages(HttpServletRequest request,
> ActionMessages errors) {
> if ((errors == null) || errors.isEmpty()) {
> request.removeAttribute(Globals.ERROR_KEY);
> return;
> }
> request.setAttribute(Globals.ERROR_KEY, errors);
> }
>
> public String getMessage(HttpServletRequest request,
> String key)
> throws IOException,
> ServletException {
> HttpSession session = request.getSession();
> Locale locale =
> (Locale)session.getAttribute(Globals.LOCALE_KEY);
> MessageResources messages = this.getResources(request);
> return messages.getMessage(locale,key);
> }
>
> protected ActionForward method(Action action,
> ActionMapping mapping,
> ActionForm form,
> HttpServletRequest request,
> HttpServletResponse response)
> throws Exception {
> Class clazz = action.getClass();
> String methodName = getMethodName(request,mapping);
>
> if(methodName == null) {
> unspecified(mapping,form,request,response);
> } else if (EXECUTE.equals(methodName) || PERFORM.equals(methodName)){
> MessageResources messages = MessageResources.getMessageResources
> ("org.apache.struts.actions.LocalStrings");
> String message = messages.getMessage(DISPATCH_RECURSIVE,
> mapping.getPath());
> throw new ServletException(message);
> }
>
> Method method = null;
>
> try {
> method = getMethod(clazz,methodName);
> } catch(NoSuchMethodException nsme) {
> MessageResources messages = MessageResources.getMessageResources
> ("org.apache.struts.actions.LocalStrings");
> String message = messages.getMessage(DISPATCH_METHOD,
> mapping.getPath(), methodName);
> throw nsme;
> }
>
> ActionForward forward = null;
>
> try {
> Object args[] = { mapping, form, request, response };
> forward = (ActionForward)method.invoke(action, args);
> } catch(ClassCastException cce) {
> StdOut.log(SiteConstant.ERROR_LOG,"StateBaseAction error 108 = "
> + cce.getMessage());
> } catch(IllegalAccessException iae) {
> StdOut.log(SiteConstant.ERROR_LOG,"StateBaseAction errorn 110 =
> " + iae.getMessage());
> } catch(InvocationTargetException ite) {
> Throwable t = ite.getTargetException();
>
> if (t instanceof Exception) {
> StdOut.log(SiteConstant.ERROR_LOG,"StateBaseAction error 115 =
> " + ((Exception)t).getMessage());
> } else {
> StdOut.log(SiteConstant.ERROR_LOG,"StateBaseAction error 117 =
> " + ite.getMessage());
> }
> }
> return forward;
> }
>
> private static String getMethodName(HttpServletRequest request,
> ActionMapping mapping) {
>
> String methodName = null;
> String buttonValue = null;
> String paramProperty = mapping.getParameter();
> if((paramProperty != null)) {
> int index = paramProperty.indexOf('.');
> if(index > -1) {
> methodName = paramProperty.substring(0,index);
> } else {
> return methodName = paramProperty;
> }
> }
>
> Enumeration enum = request.getParameterNames();
> while(enum.hasMoreElements()) {
> buttonValue = (String)enum.nextElement();
> if(buttonValue.indexOf(METHOD_SUFFIX) >= 0) {
> methodName = buttonValue;
> break;
> }
> }
>
> if(methodName == null) {
> return null;
> }
>
> return methodName.substring(0,methodName.indexOf('.'));
> }
>
> private Method getMethod(Class clazz,
> String name)
> throws NoSuchMethodException {
> synchronized(methods) {
> Method method = (Method) methods.get(name);
>
> if (method == null) {
> method = clazz.getMethod(name, types);
> methods.put(name, method);
> }
>
> return (method);
> }
> }
>
> protected ActionForward cancelled(ActionMapping mapping,
> ActionForm form,
> HttpServletRequest request,
> HttpServletResponse response)
> throws Exception {
> return null;
> }
> }
>
> Jack
>
> <snip>
> On Fri, 14 Jan 2005 07:35:46 -0500, [EMAIL PROTECTED]
> <[EMAIL PROTECTED]> wrote:
> >
> > Jack,
> > You have said that LookupDispatchAction is outdated and inefficient.
> > I
> > have at a minimum 6 different actions that need to be performed per page,
> > not
> > including load. What else would you recommend as a solution?
> >
> > Todd
> </snip>
>
>
> --
> ------------------------------
>
> "You can lead a horse to water but you cannot make it float on its back."
>
> ~Dakota Jack~
>
> "You can't wake a person who is pretending to be asleep."
>
> ~Native Proverb~
>
> "Each man is good in His sight. It is not necessary for eagles to be crows."
>
> ~Hunkesni (Sitting Bull), Hunkpapa Sioux~
>
> -----------------------------------------------
>
> "This message may contain confidential and/or privileged information.
> If you are not the addressee or authorized to receive this for the
> addressee, you must not use, copy, disclose, or take any action based
> on this message or any information herein. If you have received this
> message in error, please advise the sender immediately by reply e-mail
> and delete this message. Thank you for your cooperation."
>
--
------------------------------
"You can lead a horse to water but you cannot make it float on its back."
~Dakota Jack~
"You can't wake a person who is pretending to be asleep."
~Native Proverb~
"Each man is good in His sight. It is not necessary for eagles to be crows."
~Hunkesni (Sitting Bull), Hunkpapa Sioux~
-----------------------------------------------
"This message may contain confidential and/or privileged information.
If you are not the addressee or authorized to receive this for the
addressee, you must not use, copy, disclose, or take any action based
on this message or any information herein. If you have received this
message in error, please advise the sender immediately by reply e-mail
and delete this message. Thank you for your cooperation."
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