Hi,
I have a rather complex form with an <html:select> that uses dynamically
generated <html:option> values. The problem is that the destination array,
upon posting, returns an array with zero length. I am using a DynaActionForm
in Struts 1.2 (version cannot change).
The code ...
=File: allocate-manual-filter.jsp=
=SOURCE CODE: BEGIN=
<html:form action="/allocate-manual-select" method="POST">
// ... code to create "select_name" ... followed by ...
<html:hidden property='<%= "display_" + select_name %>' value="<%=
display_name %>" />
<html:select property="<%= select_name %>" multiple="true" size="5"
styleClass="filter">
// ... code to get the PK value and populate the options array ... followed
by ...
<html:option value="<%= pk.toString() %>">
<%= options[ INDEX_DISPLAY_VALUE ] %>
</html:option>
</html:select>
</html:form>
=SOURCE CODE: ENDED=
=File: struts-config.xml=
=SOURCE CODE: BEGIN=
<form-bean
name="allocate-manual-select-form"
type="org.apache.struts.action.DynaActionForm">
<form-property
name="display_fiscal_year"
type="java.lang.String" />
<form-property
name="fiscal_year"
type="java.lang.String[]" />
</form-bean>
=SOURCE CODE: ENDED=
=File: struts-config.xml=
=SOURCE CODE: BEGIN=
<action-mappings>
<action
path="/allocate-manual-select"
type="ca.bc.gov.mof.bcas.allocate.ManualSelectAction"
name="allocate-manual-select-form"
input="/WEB-INF/jsp/allocate-manual-filter.jsp"
scope="session"
validate="false">
<forward
name="success"
path="/WEB-INF/jsp/allocate-manual-select.jsp" />
</action>
</action-mappings>
=SOURCE CODE: ENDED=
=File: ManualSelectAction.java=
=SOURCE CODE: BEGIN=
public boolean execute( ... ) {
DynaActionForm dynaForm = (DynaActionForm)form;
String values[] = (String[])dynaForm.get( "fiscal_year" );
if( values != null ) {
System.out.println( "fiscal_year: " + values.length );
}
}
=SOURCE CODE: ENDED=
The log file shows the following:
fiscal_year: 0
display_fiscal_year: Fiscal Year
Everything is hooked up correctly, because display_fiscal_year is showing
the appropriate value. The former value is supposed to be an array of
strings with a size of 1 (for the one element I shuttle into it).
The ManualSelectAction class does not define a "fiscal_year" array of
Strings. This will be the next thing to try. (Although my impression was
that if I used a DynaActionForm, I wouldn't have to create a class that
contains variables ...?)
Aside from that, any other ideas?
--
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