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Subject: RE: RE: RE: classes in block / usage in flowscript
Date: Thu, 4 Jun 2009 22:57:59 +0200
Message-ID: <7C655C04B6F59643A1EF66056C0E095E025049D0@eusex01.sweden.ecsoft>
In-Reply-To: <20090604140354.259760@gmx.net>
Thread-Topic: RE: RE: classes in block / usage in flowscript
Thread-Index: AcnlHgPhidwR5EA/RfyQjgvLkggw8gAOLAgA
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From: "Robby Pelssers" <robby.pelssers@ciber.com>
To: <users@cocoon.apache.org>

Patrick,

I re-read your question again:
> So your suggestion would be to include all Classes into Spring to get
> access through getComponent("someBean"); !?=20

I do not advise to configure all classes as spring beans of course.  =
Only the ones which have a more static behavior.

A good use case can be found on my blog:

http://robbypelssers.blogspot.com/2009/06/cocoon-22-block-handling-all-fi=
le.html

Cheers,
Robby

-----Original Message-----
From: Patrick Heiden [mailto:patrickheiden@gmx.de]=20
Sent: Thursday, June 04, 2009 4:04 PM
To: users@cocoon.apache.org
Subject: Re: RE: RE: classes in block / usage in flowscript

Thanks Robby,

that was much of help to me!

Cheers and a nice day,
Patrick
-------- Original-Nachricht --------
> Datum: Thu, 4 Jun 2009 15:28:58 +0200
> Von: "Robby Pelssers" <robby.pelssers@ciber.com>
> An: users@cocoon.apache.org
> Betreff: RE: RE: classes in block / usage in flowscript

> Hi Patrick,
>=20
> If I'm not mistaken I think that some packages of the jdk are imported =
by
> default so you don't need to explicitly import.
>=20
> http://cocoon.apache.org/2.1/userdocs/flow/java.html
>=20
> But my advise is to import the ones you need explicitly.
>=20
> Cheers,
> Robby
>=20
> -----Original Message-----
> From: Patrick Heiden [mailto:patrickheiden@gmx.de]=20
> Sent: Thursday, June 04, 2009 3:19 PM
> To: users@cocoon.apache.org
> Subject: Re: RE: classes in block / usage in flowscript
>=20
> Hello Robby,
>=20
> thx for the fast reply!
> ...
>=20
> > The proper way to access java from flowscript is to import the =
classes
> > at the top:
> >=20
> > importClass(Packages.com.mycompany.util.MyClass);
>=20
> alright, i can get with that, but all i've done was
>=20
> importPackage(Packages.some.package.inside.blockStructure);
>=20
> and your following statement was also working!
>=20
> >=20
> >=20
> > then you can do this:
> > var myclass =3D new MyClass();
> >=20
> > This should work if at least that package is included in the =
classpath.
>=20
> .. the confusing thing to me is, that it is possible to get new =
Objects
> like java.io.ByteArrayOutputStream WITHOUT importing that class / =
package!
> So why it is not possible with classes defined inside my block?
>=20
> >=20
> > And if you want to access beans, you should not use this =
construction,
> > neither is importing the class needed.
> >=20
> > Then you just do:
> > var mybean =3D cocoon.getComponent("nameOfBean");
>=20
> So your suggestion would be to include all Classes into Spring to get
> access through getComponent("someBean"); !? I could go with that too, =
even if
> my beans would have prototype scope, no problem - but my question =
remains:
> WHY ist isn't possible to instantiate the classes inside block like =
other
> classes inside my classpath?
>=20
> Cheers and much thanks,
> Patrick
>=20
> >=20
> > Cheers,
> > Robby
> >=20
> > -----Original Message-----
> > From: Patrick Heiden [mailto:patrickheiden@gmx.de]=20
> > Sent: Thursday, June 04, 2009 1:09 PM
> > To: users@cocoon.apache.org
> > Subject: classes in block / usage in flowscript
> >=20
> > Hello together,
> >=20
> > I am a little bit wondering about following issue.
> > Assume we have a Java-class inside a cocoon-block (i.e. like the =
demo
> > bean out of the tutorial).
> >=20
> > When I get a new instance of this class through
> >=20
> > ...
> > var foo =3D new some.package.inside.block.MyClass();
> > ...
> >=20
> > then i get this error:
> >=20
> > ...
> > Caused by: org.mozilla.javascript.EcmaError: ReferenceError: "some" =
is
> > not defined.
> > =
(file:///home/pepemuck/_opt/devel/ISAC_DEV/isacBlocks/isacTermBlock/./sr
> > c/main/resources/COB-INF/flow/MyFlowScript.js
> >=20
> > There is no Problem to get instances like
> > java.io.ByteArrayOutputStream() or the like.
> >=20
> > So why is this error thrown when I want to get new Objects out of a
> > package-hierarchy inside the package-hosting block?
> >=20
> > By the way - instantiation via=20
> >=20
> > ...
> > var foo =3D MyClass();
> > ...
> >=20
> > works perfectly well!
> >=20
> >=20
> > Any hints to understand WHY this happens?
> >=20
> > Thanks upfront
> >=20
> > with best regards,
> > Patrick
> > --=20
> > GMX FreeDSL mit DSL 6.000 Flatrate und Telefonanschluss nur 17,95
> > Euro/mtl.!
> > =
http://dslspecial.gmx.de/freedsl-aktionspreis/?ac=3DOM.AD.PD003K11308T456=
9
> > a
> >=20
> > =
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> >=20
> >=20
> > =
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>=20
> --=20
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>=20
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>=20
>=20
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--=20
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