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loopsfor-loopforeachvelocity
Deckard
Deckard

Reputation: 1433

How to access next element in loop in VM

I need to access to next element in foreach to compare some value.

In JSP, I added some dummy element, and loop like this;

for(int i=0; i<list.size() - 1; i++) {
    MyClass element = list.get(i);
    MyClass nextElement = list.get(i+1);

    if(element.getSomeValue() > nextElement.getSomeValue())
        doSome();
        ...

But in VM I can't get the element by index as far as I know. If there's some way to access to next element, please help me.

Upvotes: 0

Views: 982

Answers (1)

Evan Haas
Evan Haas

Reputation: 2574

Your Velocity template (the .vm file) can access any Java object that's placed into the Context. In your backing Java class or Velocity servlet, place your list into the context:

context.put("list", myList);

Then in your Velocity template you can reference it as $list and you can call methods on it by using $list.get(i), etc. Note that unlike JSP, you can't place pure Java code in a Velocity template, you must use VTL.

Upvotes: 2

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