s:form tag doesn't handle dynamic method invocation, it sets action value to
action!method!method.
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Key: WW-2768
URL: https://issues.apache.org/struts/browse/WW-2768
Project: Struts 2
Issue Type: Bug
Components: Core Actions
Affects Versions: 2.1.2, 2.1.1, 2.1.0
Reporter: Lukasz Racon
Priority: Critical
<s:form action="action!method" ...> renders as: <form
action="action!method!method" ...>
The bug was introduced in ServletUrlRenderer in 590812 revision.
action variable used to be equivalent to actionName:
- // handle "name!method" convention.
- if (formComponent.enableDynamicMethodInvocation) {
- if (action.indexOf("!") != -1) {
- int endIdx = action.lastIndexOf("!");
- actionMethod = action.substring(endIdx + 1,
action.length());
//this removes !method from action's value:
- action = action.substring(0, endIdx);
- }
- }
...
- String actionName = action;
Since this revision action variable may contain DMI mark (i.e.
SomeAction!edit). This value is passed down the road to ActionMapping
constructor (and other methods that expect pure action name):
ActionMapping mapping = new ActionMapping(action,
namespace, actionMethod, formComponent.parameters);
With DMI call looks like:
new ActionMapping('SomeAction!edit!edit', '/', 'edit',
...)
This results in an s:form tag's action attribute equal to
'SomeAction!edit!edit'.
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