If all you want to do is pass a parameter, then why don't you make it available in your action and then juts pass it to the result using OGNL? See this:
http://struts.apache.org/2.x/docs/parameters-in-configuration-results.html Overall it is not a good idea to use internal Struts classes, as they can change, and they often do. musachy On Thu, Feb 5, 2009 at 4:28 AM, Adam Hardy <ahardy.str...@cyberspaceroad.com> wrote: > Hi Musachy, > > I'm adding it in my action. > > That's why it gets overwritten - because when Action's method returns, > struts calls for the Result, presumably re-creating it even though it's > there. > > I don't understand why because there appears to be the code to provide an > existing Result rather than recreating it, I just haven't delved as far into > the underbelly of the struts mechanism calling the > ActionInvocation#getResult(). > > > > Musachy Barroso on 04/02/09 19:07, wrote: >> >> Lets take one step back, are you adding this param in an interceptor >> or in your action? >> >> musachy >> >> On Wed, Feb 4, 2009 at 1:49 PM, Adam Hardy >> <ahardy.str...@cyberspaceroad.com> wrote: >>> >>> Now that 2.1.6 won't let me add to the resultConfig to add my redirect >>> httpParameters myself, I figured I'd have to obtain the actual Result >>> object. >>> >>> The way that DefaultActionInvocation is programmed to do this though >>> makes >>> it impossible, despite the Javadocs explicitly stating otherwise e.g. >>> >>> http://struts.apache.org/2.1.6/struts2-core/apidocs/com/opensymphony/xwork2/ActionInvocation.html#getResult() >>> >>> Then I can't call the create result method since it's not on the >>> interface. >>> >>> Even when I cast the ActionInvocation and call the create method and >>> faithfully add my redirect parameter, the result gets overwritten later >>> anyway. >>> >>> It looks like I must downgrade from here - unless anyone can think of >>> another way of programmatically adding the parameters to the redirect >>> URL. >>> >>> >>> Adam >>> >>> >>> >>> >>> >>> Adam Hardy on 04/02/09 16:34, wrote: >>>> >>>> From the ActionConfig.Builder#build() javadoc: >>>> >>>> "The builder for this object. An instance of this object is the only >>>> way >>>> to construct a new instance. The purpose is to enforce the immutability >>>> of >>>> the object. The methods are structured in a way to support chaining. >>>> After >>>> setting any values you need, call the {...@link #build()} method to create >>>> the object." >>>> >>>> >>>> I assume there was some issue behind the scenes with robustness. >>>> >>>> For the long term it would be good to have an official struts method to >>>> set the HTTP params programmatically. >>>> >>>> What I'm going to do now is code up a Result class to extend >>>> ServletActionRedirectResult - someone give me a shout if I'm barking up >>>> the >>>> wrong tree. >>>> >>>> Thanks >>>> Adam >>>> >>>> >>>> Adam Hardy (struts) on 04/02/09 15:16, wrote: >>>>> >>>>> I'm prevented from adding my redirect parameter programmatically with >>>>> 2.1.6! >>>>> >>>>> Look: >>>>> >>>>> Map<String, ResultConfig> resultsMap = >>>>> ServletActionContext.getActionContext(getRequest()) >>>>> .getActionInvocation().getProxy().getConfig().getResults(); >>>>> ResultConfig config = resultsMap.get(resultName); >>>>> Map<String, String> params = config.getParams(); >>>>> params.put(paramName, paramValue.toString()); >>>>> causes: >>>>> java.lang.UnsupportedOperationException >>>>> at java.util.Collections$UnmodifiableMap.put(Collections.java:1285) >>>>> >>>>> Or am I jumping to conclusions again? >>>>> >>>>> Adam >>>>> >>>>> --- original message author="Musachy Barroso" >>>>>> >>>>>> I think just need to pass a string, instead of an object in the value >>>>> >>>>> param. >>>>>> >>>>>> musachy >>>>>> >>>>>> On Mon, Jan 26, 2009 at 10:37 AM, Adam Hardy wrote: >>>>>> Hi, >>>>>> >>>>>> got a compilation error after upgrading from 2.0.11 to 2.1.6 due to >>>>>> changes >>>>>> in com.opensymphony.xwork2.config.entities.ResultConfig >>>>>> >>>>>> I am doing this: >>>>>> >>>>>> public boolean addRedirectParameter(String resultName, String >>>>>> paramName, >>>>>> Object paramValue) >>>>>> { >>>>>> Map<String, ResultConfig> resultsMap = >>>>>> ServletActionContext.getActionContext(getRequest()) >>>>>> >>>>>> .getActionInvocation().getProxy().getConfig().getResults(); >>>>>> ResultConfig config = resultsMap.get(resultName); >>>>>> if (config == null) >>>>>> { >>>>>> return false; >>>>>> } >>>>>> else >>>>>> { >>>>>> config.addParam(paramName, paramValue); // 2.1.6 COMPILE >>>>>> ERROR >>>>>> return true; >>>>>> } >>>>>> } >>>>>> >>>>>> >>>>>> which I can call in my actions in order to put another parameter onto >>>>>> the >>>>>> redirect URL of my result. >>>>>> >>>>>> In 2.1.6, ResultConfig has no addParam() method anymore. >>>>>> >>>>>> After checking the upgrade troubleshooting guide and the user lists, >>>>>> it >>>>>> seems nobody else is suffering from this problem. Could somebody give >>>>>> me an >>>>>> idea how to deal with this? >>> >>> --------------------------------------------------------------------- >>> To unsubscribe, e-mail: user-unsubscr...@struts.apache.org >>> For additional commands, e-mail: user-h...@struts.apache.org >>> >>> >> >> >> > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: user-unsubscr...@struts.apache.org > For additional commands, e-mail: user-h...@struts.apache.org > > -- "Hey you! Would you help me to carry the stone?" Pink Floyd --------------------------------------------------------------------- To unsubscribe, e-mail: user-unsubscr...@struts.apache.org For additional commands, e-mail: user-h...@struts.apache.org
