David, Magnus,

Yes, this is somewhat Oracle-specific (more accurately it is JDK-specific, which is why this is a proposed to be a JDK build-time taglet, and not a standard tag in the standard doclet), but it is no worse than the explicit Oracle-specific URLs that have been used up to now, or the relative links using {@docRoot}/../stuff which assume that "stuff " is available nearby somehow. I would also go further and say this is better that the existing methodology because it abstracts all the linking to a single taglet, removing it from inline in the doc comments. Yes, the currently proposed taglet may assume the existence of single "base URL", but anyone with an alternate implementation of OpenJDK could change the impl of the taglet to use any other mechanism to establish the link. Doing a "strings in switch" on the identifier to select a URL comes to mind, and avoids anyone having to edit the main source doc comments.

-- Jon



On 04/19/2017 01:37 PM, David Holmes wrote:
On 20/04/2017 3:50 AM, Kumar Srinivasan wrote:

We could potentially make the default URL to be "some" cgi url,
and have the build system specify the  URL all the time, in our
case it would be the Oracle documentation URL.

Would this be an acceptable approach ?

I'm not sure what you mean. I have a hard time seeing how a simple identifier (that will be fixed in the file using the taglet) can be attached to an arbitrary URL to yield a valid result. As Magnus said, being able to change the URL is good, but it still requires the same "kind" of URL where the identifier is used as a key.

Imagine you have all the documentation locally on your machine then try to figure out how you could link to other local documentation using this scheme.

David

Kumar

On 19/04/2017 9:26 PM, Magnus Ihse Bursie wrote:
On 2017-04-18 19:44, Kumar Srinivasan wrote:
Hello,

As explained in the JBS issue [1], this new taglet enables API
documents
to contain the extLink tag to link external sources.

Please review the webrev [2].
Changes looks good.

Just a reflection: This is heavily biased to Oracle documentation. Even
if it's possible to override the URL via a system property, it assumes
the Oracle URL format and id name. Just wondering a bit how that fits
with the OpenJDK philosophy.

I have to agree, this is not at all general purpose but totally Oracle
documentation centric.

David
-----


/Magnus


Thanks
Kumar

[1] https://bugs.openjdk.java.net/browse/JDK-8178725
[2] http://cr.openjdk.java.net/~ksrini/8178725/webrev.00/



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