[jira] [Commented] (FOP-2861) Allow resource loading from jar: URI

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[jira] [Commented] (FOP-2861) Allow resource loading from jar: URI

JIRA jira@apache.org

    [ https://issues.apache.org/jira/browse/FOP-2861?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16826909#comment-16826909 ]

simon steiner commented on FOP-2861:
------------------------------------

Would using custom resource resolver help:

FopFactoryBuilder builder = new FopFactoryBuilder(new File(".").toURI(), resolver);

> Allow resource loading from jar: URI
> ------------------------------------
>
>                 Key: FOP-2861
>                 URL: https://issues.apache.org/jira/browse/FOP-2861
>             Project: FOP
>          Issue Type: Improvement
>    Affects Versions: 2.0, 2.1, 2.2, 2.3
>            Reporter: Ole Sandum
>            Priority: Major
>         Attachments: uri_resolve.diff
>
>
> We would like to load our FOP config.xml along with related fonts and hyphenation files using  the common classloader URL, e.g.:
> {{  URL configXml = getClass().getResource("config.xml");}}
> {{  FopConfParser confParser = }}
> {{      new FopConfParser(configXml.openStream(), configXml.toURI());}}
> This makes for easy deployment, and works nicely as long as classes and resources are loaded from separate files, i.e. from file:/some/path/config.xml URIs. However, it fails when classes and resources are packaged and loaded directly from a jar, i.e. from jar:file:/some/archive.jar!/path/config.xml URIs, as is the case when deploying with JWS or running an all-in-one executable jar, as it will fail to properly resolve the related font and hyphenation file URIs. 
> See [https://github.com/osandum/fop-test.git] for a test to illustrate.
> This is a consequence of a long standing issue (reported in [https://bugs.openjdk.java.net/browse/JDK-8020755)] that URI.resolve(childUri) doesn't work as expected on jar:file: URIs.
> In this case, it can be easily remedied by a work-around to the call in InternalResourceResolver.resolveFromBase(URI uri). Patch attached.



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