help using indexed property in logic:equal tag 1

vulcand4 · Dec 4, 2007

I am trying to use a "logic:equal" tag in my jsp.

Code:

<logic:equal value="" name="SimpleListSettingsForm" property="totalsIndexed[?]" scope="request">

If I put a hardcoded value in the index (denoted by the "?") it works fine, but I have this code in a loop (logic:iterate)and the index needs to change with each iteration.

My logic:iterate tag specifies a field named "idx" as the index for iteration.

I've used <%= idx.intValue() %>, <%= idx %>, and ${idx} as my indexes for the logic:equal tag, but all of them give me the following:

java.lang.IllegalArgumentException: Invalid indexed property 'totalsIndexed...

Any ideas?

vulcand4 · Dec 4, 2007

Found the answer at: [URL unfurl="true"]http://struts.apache.org/1.x/struts-taglib/indexedprops.html[/url]

The part I used is below:

Dynamic Indexes for Indexed Properties

People often start using indexed properties with enthusiasm, but soon become frustrated by an inconvenient reality. The reality is that the "index" for indexed properties often needs to be a dynamic value, usually from the "indexId" counter in the "<logic:iterate>" tag.

For instance, the following example JSP page using the same "StringBean" bean class uses a dynamic value for the index:


<%@ taglib uri="/WEB-INF/struts-html.tld" prefix="html"
%>
<%@ taglib uri="/WEB-INF/struts-logic.tld"
prefix="logic" %>
<html>
<body>
<html:form action="indexedtest5.do">
<logic:iterate name="stringbean" property="stringArray"
id="foo"
indexId="ctr">
<html:text name="stringbean"
property='<%= "labelValue[" + ctr + "].label" %>' />
</logic:iterate>
<html:submit property="submitValue">Submit Changes</html:submit>
</html:form>
</body>
</html>

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help using indexed property in logic:equal tag 1

vulcand4

Programmer

vulcand4

Programmer

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