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.
Greets,
Steve
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