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NOTICE: This version of the NSF Unidata web site (archive.unidata.ucar.edu) is no longer being updated.
Current content can be found at unidata.ucar.edu.
To learn about what's going on, see About the Archive Site.
Hi Doug, Try "ID" instead of "id". Dataset IDs must be unique in a catalog. Ethan On 10/10/2011 10:36 AM, Doug Lindholm wrote: > Hi Ethan, > > I tried using "id" in my catalogRef, but it is also null in the > InvCatalogRef object. Is there a way I can specify and use a short name > for a catalogRef so I don't have to use the title? For example, consider: > > catalog.xml: > <catalogRef name="doug" xlink:title="Doug's Catalog" > xlink:href="doug_cat.xml"/> > > doug_cat.xml: > <catalog name="My Catalog"> > <dataset name="foo"> > ... > > I'd like to reference the dataset as "doug/foo" and not "Doug's > Catalog/foo" (and certainly not "Doug's Catalog/My Catalog/foo"). > > I could always parse the XML myself, but I like the idea of being able > to use the THREDDS Java API. > > Thanks, > Doug > > On 10/7/11 12:07 PM, Ethan Davis wrote: >> Hi Doug, >> >> We generally use the dataset ID for more URL friendly names. >> >> Ethan >> >> On 10/7/2011 11:57 AM, Doug Lindholm wrote: >>> Hi Ethan, >>> >>> It essentially comes down to a long name vs a short name issue. I want >>> to use the title for a human readable long name, but I'd like to be able >>> to address the catalogs (and the datasets within them) with more >>> concise, URL friendly names. >>> >>> Thanks, >>> Doug >>> >>> On 10/7/11 11:40 AM, Ethan Davis wrote: >>>> Hi Doug, >>>> >>>> In a catalogRef element, the 'xlink:title' attribute is used to name >>>> the >>>> catalogRef, the 'name' attribute is ignored. In an InvCatalogRef object >>>> you still access the name with getName()/setName(). >>>> >>>> The 'alias' attribute is not an alternate name for the dataset (if that >>>> is why you're trying to set it). Rather, an 'alias' value references >>>> another dataset in the catalog (by ID). The intent is to allow the same >>>> dataset to appear in multiple places in the same catalog without having >>>> to duplicate all the metadata and such. All properties and metadata >>>> in a >>>> dataset with an 'alias' attribute is ignored in favor of that from the >>>> referenced dataset. >>>> >>>> http://www.unidata.ucar.edu/projects/THREDDS/tech/catalog/v1.0.2/InvCatalogSpec.html#alias >>>> >>>> >>>> >>>> If you want to explain the reason you are trying to set both >>>> 'xlink:title' and 'name', we can try to come up with another solution. >>>> >>>> Cheers, >>>> >>>> Ethan >>>> >>>> On 10/5/2011 9:21 AM, Doug Lindholm wrote: >>>>> Hi, >>>>> >>>>> I am trying to set a "name" or "alias" attribute in a catalogRef >>>>> element, but InvCatalogRef.getName() returns the xlink:title and >>>>> getAlias() returns null. The spec (and API) implies that the >>>>> catalog ref >>>>> should behave as a dataset in this regard. Any suggestions short of >>>>> parsing the catalog xml myself? >>>>> >>>>> Thanks, >>>>> Doug >>>> >>>> _______________________________________________ >>>> thredds mailing list >>>> thredds@xxxxxxxxxxxxxxxx >>>> For list information or to unsubscribe, visit: >>>> http://www.unidata.ucar.edu/mailing_lists/ >>> >>> _______________________________________________ >>> thredds mailing list >>> thredds@xxxxxxxxxxxxxxxx >>> For list information or to unsubscribe, visit: >>> http://www.unidata.ucar.edu/mailing_lists/ >> > > _______________________________________________ > thredds mailing list > thredds@xxxxxxxxxxxxxxxx > For list information or to unsubscribe, visit: > http://www.unidata.ucar.edu/mailing_lists/ -- Ethan Davis UCAR Unidata Program edavis@xxxxxxxxxxxxxxxx http://www.unidata.ucar.edu
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