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From: Paulo Renato de Athaydes <renatoathaydes@hotmail.com>
To: "users@felix.apache.org" <users@felix.apache.org>
Subject: RE: [iPOJO] Modifying a metadata.xml property directly in the JAR
Date: Wed, 20 Aug 2014 18:39:26 +1000
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Guys=2C this is beyond awesome.
I've been using Guice and Spring DM at work and I just can't believe how su=
perior IPojo is! And people are sucking for Guice for some reason.
Keep up the good work on IPojo! By the way=2C has anyone been able to  test=
 the Gradle plugin I've created for IPojo? I've tested it myself with a few=
 test projects and it seems to work great=2C but it would be great to know =
if there's anything missing from it (or something broken).
It's on JCenter if anyone wants to try it (work on version 1.1 is about to =
start)... Documentation on GitHub: https://github.com/renatoathaydes/osgi-r=
un/tree/master/ipojo-plugin
Renato

> Date: Wed=2C 20 Aug 2014 10:27:06 +0200
> From: remi.druilhe@cea.fr
> To: users@felix.apache.org
> Subject: Re: [iPOJO] Modifying a metadata.xml property directly in the JA=
R
>=20
> Thanks for the answers.
>=20
> After you told me how to solve my problem=2C I found an old article of yo=
u describing how to use the configuration admin service with cfg files :
> http://ipojo-dark-side.blogspot.fr/2009/04/ipojo-and-file-install-configu=
ring.html
>=20
> So I installed config-admin and file-install bundles (felix bundles) but =
it did not work at first. In fact=2C I had to rename my component from tcp-=
handler to tcphandler (with no - in the name) and create the cfg file as yo=
u said.
>=20
> Now everything work :-)
>=20
> Regards.
>=20
> Le 19/08/2014 15:49=2C Clement Escoffier a =E9crit :
> > Hi=2C
> >
> > Yes=2C changing the metadata.xml file won=92t work as it is not read at=
 runtime. What you can do is to externalized the instance declaration in a =
=91cfg=92 file (if your runtime support this format). cfg files are general=
ly use to push configurations to the configuration admin.
> >
> > In your case it would be something like : tcp-handler-instance.cfg=2C w=
ith the following content:
> > serverIP=3D=85=85
> > serverPort=3D8080
> >
> > Changing the cfg file reconfigure the instance.
> >
> > Regards=2C
> >
> > Clement
> >
> > On 19 ao=FBt 2014 at 14:53:32=2C Paulo Renato de Athaydes (renatoathayd=
es@hotmail.com) wrote:
> >
> > I believe the metadata.xml file is not actually used after you compile.=
.. have a look at the jar's manifest instead=2C IPojo saves all the informa=
tion it needs in the manifest after compilation=2C so if you change it ther=
e it should work.
> > However=2C it seems to me you need to find a better way to configure th=
is kind of thing... Maybe others can help here?
> > Renato
> >
> >> Date: Tue=2C 19 Aug 2014 10:15:47 +0200
> >> From:remi.druilhe@cea.fr  =20
> >> To:users@felix.apache.org  =20
> >> Subject: [iPOJO] Modifying a metadata.xml property directly in the JAR
> >>  =20
> >> Hello=2C
> >>  =20
> >> I just created a TCP client to communicate with a server using iPOJO.
> >> For now=2C I used the property fields into the component "instance" to
> >> configure the IP address of my server. Something like that :
> >>  =20
> >> <instance component=3D"tcp-handler">
> >> <property name=3D"serverIp" value=3D"xxx.xxx.xxx.xxx"/>
> >> <property name=3D"serverPort" value=3D"yyyy"/>
> >> </instance>
> >>  =20
> >> My purpose is to easily modify this configuration when I move my serve=
r
> >> on another device without asking the user to set the IP address
> >> everytime the client is started. And i'd like not to use a config file
> >> because I assume that the metadata.xml is already some kind of a confi=
g
> >> file.
> >>  =20
> >> So=2C I though that using "instance" enables me to modify the metadata=
.xml
> >> file into the JAR file and update this JAR with the new value. In fact=
=2C
> >> Ubuntu asks if I want to update the archive after modifying a file and=
 I
> >> say yes. I can see the change when I reopen the archive.
> >>  =20
> >> However=2C it seems that when my client is launched in Felix=2C it alw=
ays
> >> uses the old IP address despite changes I made in the JAR file.
> >>  =20
> >> What's wrong with my way of configuring my component ? Is it possible =
to
> >> modify a file into a JAR file ? Is the value of my property is
> >> definitively set into the component "instance" in the metadata.xml (li=
ke
> >> a static field) ?
> >>  =20
> >> Thanks=2C
> >>  =20
> >> Regards.
> >>  =20
> >> --
> >> R=E9mi Druilhe
> >>  =20
>=20
> --=20
> R=E9mi Druilhe
> Ing=E9nieur de recherche
> DACLE/LIALP
> Institut Carnot
> Laboratoire d=92=E9lectronique et de technologie de l=92information
> Commissariat =E0 l=92=E9nergie atomique et aux =E9nergies alternatives
> MINATEC Campus | 17 rue des Martyrs | 38054 Grenoble Cedex 9
> T. +33 (0)4 38 78 06 45 | F. +33 (0)4 38 78 90 73
> www.leti.fr
>=20
 		 	   		  =

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