Stefan Krüger ha scritto:
> Hi Andre
>
> Am Montag 07 September 2009 15:25:03 schrieben Sie:
>> Ugo Taddei ha scritto:
>>> Hello,
>>>
>>>> * ShapefileRenderer ignores any spatial index, when the URL protocol is
>>>> not "file"- so the index in "jar:file:/home/some.jar!/some.gpx" is
>>>> ignored.
>>>>
>>>> * GeoTiffReader also only checks for
>>>>
>>>>> if
>>>>> (sourceURL.getProtocol().equalsIgnoreCase("http")
>>>>>
>>>>> ||
>>>>> sourceURL.getProtocol().equalsIgnoreCase("ftp")) {
>>>>>
>>>>> try {
>>>>> source = sourceURL.openStream();
>>>>> } catch (IOException e) {
>>>>> new RuntimeException(e);
>>>>> }
>>>> and simply doesn't accept jar:... URLs.
>>> Wouldn't it be better for those classes to take in InputStream as a
>>> parameter rather than an URL?
>>>
>>> You can always use both:
>>> InputStream stream = AClass.class.getResourceAsStream(resourceName);
>>>
>>> URL u = AClass.class.getResource(resourceName);
>>>
>>> But the former would always work (if the adapter in question implemented
>>> a method taking an InputStream).
>> That won't work afaik, the classes need to reopen over and over the
>> same source, so a plain input stream won't work.
>> They also use NIO extensively, that's why they assume files, but
>> I've found this bridge:
>> http://www.j2ee.me/j2se/1.4.2/docs/api/java/nio/channels/Channels.html
>> that allows to bridge between streams and channels.
>> Now, afaik we also use extensively random access, so I think not even
>> the above will work, but one never knows.
>>
>> As for Stefan use case, can't you just keep your files on the
>> CD as plain files instead of sticking them into the classpath?
>
> I could theoretically. But the same atlas aso runs via JavaWebStart and
> then uses the JavaWebStart cache for programm and data. And for the
> JavaWebStart cache to work it all has to be in JARs.
I _fear_ you won't be able to use shapefiles then. But I might be wrong.
Cheers
Andrea
> Greets,
> Steve
>
--
Andrea Aime
OpenGeo - http://opengeo.org
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