[jira] [Reopened] (FOP-2601) [PATCH] Cannot resolve fonts from custom URI schemes

["adam Retter (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FOP-2601?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

adam Retter reopened FOP-2601:
------------------------------

Unfortunately this was closed in favour of FOP-2532.

However FOP-2532 does not solve our issue. The change in FOP-2532 assumes that the URL can be read by {{java.net.URLConnection}} by using

{code:java}
URLConnection conn = url.openConnection();
try {
    return conn.getLastModified();

{code}

Unfortunately the URLs used in our system are for resources inside the database (eXist-db) and these are not resolvable by {{URLConnection}}. {{URLConnection}} really only understands http, https, file and jar URL schemes and so is not helpful here.

The patch I provided extended {{org.apache.xmlgraphics.io.ResourceResolver}} specifically for that reason. I would ask that you again review my patch (which I have updated for the latest Apache FOP and XML Graphics), as it adds the support that we (and presumably others) will need in an extensible way.

> [PATCH] Cannot resolve fonts from custom URI schemes
> ----------------------------------------------------
>
>                 Key: FOP-2601
>                 URL: https://issues.apache.org/jira/browse/FOP-2601
>             Project: FOP
>          Issue Type: Bug
>    Affects Versions: 2.1
>            Reporter: adam Retter
>         Attachments: fop-last-modified-resolution.patch, xmlgraphics-commons-last-modified-resolution.patch
>
>
> I attach two patches (one for xmlgraphics-commons and one for fop) that allow fonts to be resolved from custom URI schemes. Previously this only worked if you disabled font caching, because the font cache tries to get the last modified date using java.io.File, which will fail for fonts that are resolved from locations other than the filesystem. The fix is relatively trivial, basically the UriResolver needs to also be able to resolve the last modified date of the resource or return -1 if it is not possible.



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