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https://issues.apache.org/jira/browse/FOP-3290?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18063644#comment-18063644
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Joao Goncalves commented on FOP-3290:
-------------------------------------
[https://github.com/apache/xmlgraphics-fop/commit/3d6e7c5d631117987cdc82b92c4544b114c77021]
[~oleksandr92] add the following to your conf:
*<force-uri-basic-link>true</force-uri-basic-link>* inside the *<renderer
mime="application/pdf">*
> Issue with <fo:basic-link> to external .pdf files
> -------------------------------------------------
>
> Key: FOP-3290
> URL: https://issues.apache.org/jira/browse/FOP-3290
> Project: FOP
> Issue Type: Bug
> Affects Versions: 2.11
> Reporter: Oleksandr
> Assignee: Joao Goncalves
> Priority: Major
> Attachments: broken_pdf_link_example.zip
>
>
> h3. *Description*
> When generating a PDF using XSL-FO, the links to external local {{.pdf}}
> files behave differently from the links to files with another extensions (
> .png, .txt etc ). In some PDF viewes ( for example in Chrome PDF viewer )
> when a user clicks such a link the target file is not opened. If the same
> link points to a {{.png or .txt}} file, it works properly ( the targer file
> is being opened).
> h3. Steps to Reproduce
> # Use the following XSL-FO to generate a PDF:
> {code:java}
> <fo:basic-link show-destination="new" external-destination="targetFile.pdf">
> Test Link (PDF)
> </fo:basic-link>
> <fo:basic-link show-destination="new" external-destination="targetFile.png">
> Test Link (PNG)
> </fo:basic-link>{code}
> # Open the resulting PDF in Chrome PDF viewer
> # Click the PNG link (the PNG file is opened, as expected)
> # Click the PDF link
> *Actual Result:* the targetFile.pdf file is not opened
> *Expected Result:* The targetFile.pdf is opened ( the PDF link behaves like
> the PNG link)
> Some PDF viewers handles the PDF link correctly ( for example, Acrobat Reader
> on Windows 10 )
> h3. Technical Analysis
> The current implementation seems to have a hardcoded "special case" for files
> ending in {{.pdf in }}{{PDFFactory#getExternalAction().}}
> It forces creation of a {{PDFGoToRemote}} action of all external .pdf files.
> For all other extensions it returns {{PDFUri}} which works correctly
> I've tested other variations of link url, but none of them works for link to
> .PDF file
>
> {code:java}
> url('targetFile.pdf')
> file:///targetFile.pdf
> targetFile.pdf#page=1
> etc {code}
>
> The issue doesn't appears in Apache FOP version 2.7 ( before the following
> code was added to PDFFactory.java
> {code:java}
> if (scheme == null && filename.toLowerCase().endsWith(".pdf")) {
> scheme = "file";
> }{code}
>
> Here is the full sample XSL-FO code and the archive with generated PDFs
> [^broken_pdf_link_example.zip]
> {code:java}
> <?xml version="1.0" encoding="UTF-8"?>
> <fo:root xmlns:fo="http://www.w3.org/1999/XSL/Format";>
> <fo:layout-master-set>
> <fo:simple-page-master master-name="A4" page-height="29.7cm"
> page-width="21cm" margin="2cm">
> <fo:region-body/>
> </fo:simple-page-master>
> </fo:layout-master-set>
> <fo:page-sequence master-reference="A4">
> <fo:flow flow-name="xsl-region-body">
> <fo:block font-family="sans-serif" font-size="12pt">
> <fo:block margin-bottom="10pt">
> 1. PDF Link (Expected to open file):
> <fo:basic-link external-destination="targetFile.pdf"
> color="blue" text-decoration="underline">
> targetFile.pdf
> </fo:basic-link>
> </fo:block>
> <fo:block>
> 2. Image Link (Working correctly):
> <fo:basic-link external-destination="targetFile.png"
> color="blue" text-decoration="underline">
> targetFile.png
> </fo:basic-link>
> </fo:block>
> </fo:block>
> </fo:flow>
> </fo:page-sequence>
> </fo:root> {code}
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