Hi all
Using Map backed forms in Struts 1 was really great. I'm wondering
how it works in Struts 2. Looking at the Type Conversion docs (http://
struts.apache.org/2.x/docs/type-conversion.html#TypeConversion-
CollectionandMapSupport) seem to get close to explaining it, but
jumps right into a complex indexed form field example.
Ultimately, I can't get the Map in my Action to populate from the
form correctly, and I'd like to know how to do it. I'm attempting to
generate a bunch of dynamically named textfields like this:
<s:iterator value="%{fields}" id="field">
<s:textfield name="myField[%{field}]" />
</s:iterator>
This gives me fields that look like the following, which I expect:
<input type="text" name="dynaField[firstField]" ... />
<input type="text" name="dynaField[secondField]" ... />
<input type="text" name="dynaField[thirdField]" ... />
<input type="text" name="dynaField[etc]" ... />
The Action that the form submits to looks something like this;
class MyAction extends ActionSupport{
private Map<String,String> dynaField = new HashMap<String,String>();
public String execute()throws Exception{
//when I get here, the dynaField property is a valid HashMap that
looks like
//{null=the value of an unpredictable field}
System.out.println(dynaField);
return SUCCESS;
}
//Getter and Setter here
public void setDynaField(Map<String,String> map){ dynaField = map; }
public Map<String,String> getDynaField(){ return dynaField; }
}
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