Re: Still Ajax and Struts 2

[Ian Roughley]

What release of Struts2 are you using and which browsers?

/Ian


walidito wrote:

thanks, but I get an error with the code you gave me :
SEVERE: Error setting expr 'dojo.transport' with value
'[Ljava.lang.String;@179567c'
ognl.OgnlException: target is null for setProperty(null, "transport",
[Ljava.lang.String;@179567c)

thanks


Musachy Barroso-2 wrote:

I think you should take a look at the Struts2/Webwork tutorials http://www.opensymphony.com/webwork/wikidocs/Tutorial.html and http://struts.apache.org/2.x/docs/tutorials.html

If you look at the showcase code you will see this for the AjaxTest
action:

in struts-ajax.xml:

<action name="AjaxTest" class="org.apache.struts2.showcase.ajax.AjaxTestAction">

    <result>/ajax/AjaxResult.jsp</result>
 </action>

in AjaxTestAction.java:

public class AjaxTestAction implements Action, Serializable {

    private static int counter = 0;
    private String data;

    public long getServerTime() {
        return System.currentTimeMillis();
    }

    public int getCount() {
        return ++counter;
    }

    public String getData() {
        return data;
    }

    public void setData(String data) {
        this.data = data;
    }

    public String execute() throws Exception {
        return SUCCESS;
    }
}

and AjaxResult.jsp:

<%@ taglib prefix="s" uri="/struts-tags" %>

<%
    request.setAttribute("decorator", "none");
    response.setHeader("Cache-Control","no-cache"); //HTTP 1.1
    response.setHeader("Pragma","no-cache"); //HTTP 1.0

response.setDateHeader ("Expires", 0); //prevents caching at the proxy server

%>

Result: <s:property value="count"/> @ <s:property value="serverTime"/>
<br/>
<s:property value="data"/>

musachy

walidito wrote:

I,
I wanna run this type of example app :

http://www.planetstruts.org/struts2-showcase/viewSource.action?page=/ajax/remotediv/example1.jsp :

<s:div
13:         id="once"
14:         theme="ajax"
15:         cssStyle="border: 1px solid yellow;"
16:         href="/AjaxTest.action"
17:         delay="5000"
18:         loadingText="loading...">
19:     Initial Content
</s:div>

In other word, a basic ajax component that allows a refreshment of only a
part of my page.

But I didn't get how to write the corresonding action and action mapping. For the moment I've tried to put a "success" return in my action ( is it

enough ?), but I don't see what to put in my action mapping (i mean
inside
the <action name="blablabla" ...> tag. If I put nothing, of course it's
wrong.
If I only put a success-type result, It creates an infinite loop (always
displays "loading").
Can sobdy help please?

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