String translator for components?

[bhorvat <ho...@gmail.com>]

Hi all,

I am having a class which acts like a holder for the ajaxforloop row. It is
a generic class which accepts an Object that has values for the row.
Something like this

public class ItemSingleHolder<T> extends ItemHolder {

    private T value; 

    public ItemSingleHolder(Long key, T value ) {
        super(key);
        this.value = value; 
    } 

    public T getValue() {
        return value;
    }

    public void setValue(T value) {
        this.value = value;
    }
}

Now if T that I give it is a complex Object (not just a String) then when I
do something like this inside a ajaxformloop 

    <t:textfield value="currentRow.value.name"/>

where currentRow.value gets the Object that is give for T. And this all
works great.
However if I put String in T I get an exception that says that I am missing
a translator. So I have create a translator which is really simple                                  
                                                 

public class StringTranslator implements FieldTranslator<String> {

    @Override
    public Class getType() {
        return Object.class;
    }

    @Override
    public String parse(String string) throws ValidationException {
        return string;
    }

    @Override
    public String toClient(String t) {
        return t.toString();
    }

    @Override
    public void render(MarkupWriter writer) {
    }
}

and then when I do this 

<t:textfield value="currentRow.value.name" t:translate="string"/>

it works. Any idea why and what is the problem whit all of this? It is
strange that I need this,right? 

Cheers

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