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https://issues.apache.org/jira/browse/ANY23-99?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13281138#comment-13281138
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Andy Seaborne commented on ANY23-99:
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Is there a specific example of this happening?
The encoding rules for NQuads are to use \u so something has to encode to ASCII
and it is not enough to rely the writer doing chars to bytes.
I think this is handled via the calls:
Literals:
org.openrdf.rio.ntriples.NTriplesUtil.toNTriplesString
URIs:
org.openrdf.rio.ntriples.NTriplesUtil.escapeString
Comments
handleComment does not encode - this is (arguably) not quite right.
Also:
The charset requirements may well change. The soon-to-be-published working
draft of the formal spec for N-triples defines it to be UTF-8 when used with
application/n-triples. The old rules for text/plain still apply (US-ASCII).
I would expect N-Quads to follow N-triples. This is all in the future.
> NQuadsWriter should force ASCII in OutputStream constructor
> -----------------------------------------------------------
>
> Key: ANY23-99
> URL: https://issues.apache.org/jira/browse/ANY23-99
> Project: Apache Any23
> Issue Type: Bug
> Components: core
> Affects Versions: 0.8.0
> Reporter: Peter Ansell
>
> The NQuads specification states that all NQuads documents must be ASCII
> encoded. [1] The current NQuadsWriter(OutputStream) constructor does not
> enforce this when creating the OutputStreamWriter to wrap up the given
> outputstream. If it is not enforced, then the users locale will be used to
> create the OutputStreamWriter, which may not enforce US-ASCII.
> Patch is to replace the constructor with:
> this( new OutputStreamWriter(os, Charset.forName("US-ASCII")) );
> [1] http://sw.deri.org/2008/07/n-quads/#mediatype
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