distinguishing old+new APIs - Mozilla

This is a discussion on distinguishing old+new APIs - Mozilla ; Hi - What's the right way to write code that uses both an old and a new API? I picture something like this: if (test for old API) use old else if (test for new API) use new else assert(false) ...

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Thread: distinguishing old+new APIs

  1. distinguishing old+new APIs

    Hi -

    What's the right way to write code that uses both an old and a new API?

    I picture something like this:
    if (test for old API)
    use old
    else if (test for new API)
    use new
    else
    assert(false)

    But I'm not sure what the (tests) should be.

    Specifically, I want to distinguish the Tb2 and Tb3 addressbook APIs.

    Thanks -

    Leni.
    =====
    Zindus - Google and Zimbra contact sync for Thunderbird
    http://www.zindus.com

  2. Re: distinguishing old+new APIs

    On Thu, 01 May 2008 16:44:27 +1000, mozilla.org@zindus.com wrote:
    > What's the right way to write code that uses both an old and a new API?
    [....]
    > Specifically, I want to distinguish the Tb2 and Tb3 addressbook APIs.

    Perhaps something like:

    var spellclass = "@mozilla.org/spellchecker/myspell;1";
    if ("@mozilla.org/spellchecker/hunspell;1" in Components.classes)
    spellclass = "@mozilla.org/spellchecker/hunspell;1";
    else if ("@mozilla.org/spellchecker/engine;1" in Components.classes)
    spellclass = "@mozilla.org/spellchecker/engine;1";
    var spellchecker =
    Components.classes[spellclass].createInstance(Components.interfaces.mozISpellChe ckingEngine);

    Phil

    --
    Philip Chee ,
    http://flashblock.mozdev.org/ http://xsidebar.mozdev.org
    Guard us from the she-wolf and the wolf, and guard us from the thief,
    oh Night, and so be good for us to pass.
    [ ]I wish I could remember where I parked my hard disk....
    * TagZilla 0.066.6

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