Unfortunately, incompatibilities between Java and J# sometimes causes a
problem. So I decided to use GNU Classpath.
For instance, Microsoft's implementation of java.util.ArrayList#add(object
o) is like the following.
public boolean add(object o)
{
return this.add(this.size(), o);
}
In most case, it's OK. But, if ArrayList are extended by some class and the
class overrides add(object) and add(int, object) method,
ArrayList#add(object) calls add(int, object) method of extended class (see
below). In iText, Phrase class is so.
class ExtendedArrayList extends ArrayList
{
public boolean add(object o)
{
return super.add(o); // this statements indirectly calls
this.add(int, object) via ArrayList#add(object) in J#
}
public void add(int i, object o)
{
// do something
}
}
Although I have to say this incompatibility is NOT a bug because Microsoft
implementation satisfies Java 2 API Specification. In some aspects, this
problem is due to iText depends on Sun's implementation.
I found the other bugs and incompatibilities, but it could be avoided using
this approach.
Ujihara, Kazuya (iText.NET porter)
mailto:[EMAIL PROTECTED]
http://www.ujihara.jp/
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of David
Thielen
Sent: Saturday, September 17, 2005 5:08 AM
To: 'Paulo Soares'; 'itext'
Subject: RE: [iText-questions] iText.net - why not java.util.Iterator?
Ahh...
I'm in VS 2005/.net 2.0 and it has all of the collection classes. I forgot
they weren't in .net 1.1.
If I remove the classes that are now in .net 2.0, do you guys have an
interest in then keeping/maintaining a distinct .net 2.0 version? It would
only affect the Gnu.Classpath.*.dll files, not iText itself.
??? - thanks - dave
-----Original Message-----
From: Paulo Soares [mailto:[EMAIL PROTECTED]
Sent: Friday, September 16, 2005 10:38 AM
To: David Thielen; itext
Subject: RE: [iText-questions] iText.net - why not java.util.Iterator?
J# stopped at 1.1.4 and Iterator appeared in jdk 2. There's no native
Iterator in J#.
> -----Original Message-----
> From: David Thielen [mailto:[EMAIL PROTECTED]
> Sent: Friday, September 16, 2005 5:30 PM
> To: Paulo Soares; 'itext'
> Subject: RE: [iText-questions] iText.net - why not java.util.Iterator?
>
> I understand that. Why not just delete Iterator from the gnu lib so it
> uses the native java one?
>
> ??? - thanks - dave
>
>
> -----Original Message-----
> From: Paulo Soares [mailto:[EMAIL PROTECTED]
> Sent: Friday, September 16, 2005 4:13 AM
> To: David Thielen; itext
> Subject: RE: [iText-questions] iText.net - why not java.util.Iterator?
>
> Packages that start with "java" throw a "Prohibited package name"
> exception.
>
> > -----Original Message-----
> > From: [EMAIL PROTECTED]
> > [mailto:[EMAIL PROTECTED] On Behalf Of
> > David Thielen
> > Sent: Friday, September 16, 2005 2:18 AM
> > To: itext
> > Subject: [iText-questions] iText.net - why not java.util.Iterator?
> >
> > Hi;
> >
> >
> >
> > First off the iText.net code is a thing of beauty. Anyone who is
> > going to port java code to J# should look at it - just for the Junit
> > port if nothing else.
> >
> >
> >
> > I have one question though. It defines jp.ujihara.java.util.Iterator
> > and uses that instead of java.util.Iterator. Any idea why?
> >
> >
> >
> > This is a problem for having single source code because the returned
> > object, while it has the same methods, has to be declared as a
> > different class.
> >
> >
> >
> > ??? - thanks - dave
> >
> >
> >
> >
> >
> >
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> >
>
>
>
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