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Re: svn commit: r24791 - in trunk/subversion/bindings/javahl: native src/org/tigris/subversion/javahl src/org/tigris/subversion/javahl/tests

From: Daniel Rall <dlr_at_collab.net>
Date: 2007-04-27 02:55:27 CEST

On Thu, 26 Apr 2007, Hyrum K. Wright wrote:

> Daniel Rall wrote:
> > On Thu, 26 Apr 2007, hwright@tigris.org wrote:
> > ...
> >> JavaHL: Eliminate duplicate native implementations of propertyCreate(), and
> >> implement one version as a wrapper around the other. Also, modify the
> >> properties test to use propertyCreate() as well as propertySet().
> > ...
> >> --- trunk/subversion/bindings/javahl/native/org_tigris_subversion_javahl_SVNClient.cpp (original)
> >> +++ trunk/subversion/bindings/javahl/native/org_tigris_subversion_javahl_SVNClient.cpp Thu Apr 26 09:00:39 2007
...
> >> - JNIByteArray value(jvalue);
> >> - if (JNIUtil::isExceptionThrown())
> >> - return;
> >> -
> >> - cl->propertyCreate(path, name, (const char *)value.getBytes(),
> >> - jrecurse ? true:false,
> >> - jforce ? true:false);
> >> -}
...
> >> --- trunk/subversion/bindings/javahl/src/org/tigris/subversion/javahl/SVNClient.java (original)
> >> +++ trunk/subversion/bindings/javahl/src/org/tigris/subversion/javahl/SVNClient.java Thu Apr 26 09:00:39 2007
> >> @@ -1447,9 +1447,12 @@
> >> * @throws ClientException
> >> * @since 1.2
> >> */
> >> - public native void propertyCreate(String path, String name, byte[] value,
> >> - boolean recurse, boolean force)
> >> - throws ClientException;
> >> + public void propertyCreate(String path, String name, byte[] value,
> >> + boolean recurse, boolean force)
> >> + throws ClientException
> >> + {
> >> + propertyCreate(path, name, new String(value), recurse, force);
> >> + }
> > ...
> >
> > Isn't "new String(value)" doing an implicit byte -> char conversion in
> > the JVM's default character set? Could this be lossy?
> >
> > It might be safer to make this change the other way around...
>
> Sure. The motivation for doing it this way was consistency with a
> similar construct in propertySet(). I'd be happy to change them both if
> needed.

While I'm not absolutely sure what the Right Thing is here, getting
the byte[] representation of a Java String using the JVM's default
encoding (which unfortunately might not be UTF-8), then basically
transforming each byte in that array into a character, is definitely
not correct.

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Received on Fri Apr 27 02:55:36 2007

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