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From Mark Lybarger <mlybar...@gmail.com>
Subject Re: optional tasks without disturbing the ant/lib folder
Date Tue, 16 Aug 2005 17:37:56 GMT
Ok, I think i've worked out the namespace issues and have read a bit on ant 
namespaces for tasksdef's. It seems that namespaces/uri is used with 
taskdefs so that scp, and my:scp will allow the definition of both the 
ant-lib supplied:

scp=org.apache.tools.ant.taskdefs.optional.ssh.Scp

and perhaps my own:

scp=external.org.apache.tools.ant.taskdefs.optional.ssh.Scp

this allows my code to use <my:scp > to refer to the second item, and still 
allows scp to refer to the first one. this merely seems related to the name 
the task will take in the ant script itself. it doesn't seem to have to do 
with the fact that org.apache.tools.ant.taskdefs.optional.ssh.Scp is defined 
in the ant-lib folder, and as such, a user can't use the scp task without 
modifications outside of their environment (as mentioned earlier, a user can 
use ~/.ant/lib, adding jsch.jar to ant-lib, or -antlib parameter, or remove 
the ant-jscp.jar from ant lib).

what i'd like is to be able to use the scp task without modifying the 
installed ant, or modifying anything outside of the build environment. 

BUILD FAILED
D:\dev\workspace\autodeploy\build.xml:570: taskdef A class needed by class 
org.apache.tools.ant.taskdefs.optional.ssh.SSHExec cannot be found: 
com/jcraft/jsch/UserInfo


On 8/16/05, Mark Lybarger <mlybarger@gmail.com> wrote:
> 
> i have both jsch.jar and ant-jsch.jar in mylibfolder, but i don't see that 
> i've tied the xmlns:my etc to my ant-jsch.xml 
> 
> perhaps i need a taskdev using the my: namespace so that it can see the 
> xml and .properties files. i'm not quite sure how this would look.
> 
> 
> On 8/16/05, Jan.Materne@rzf.fin-nrw.de <Jan.Materne@rzf.fin-nrw.de > 
> wrote:
> > 
> > sure - see http://ant.apache.org/manual/install.html#librarydependencies
> > 
> > Jan
> > 
> > >-----Urspr√ľngliche Nachricht-----
> > >Von: Mark Lybarger [mailto:mlybarger@gmail.com]
> > >Gesendet: Dienstag, 16. August 2005 16:28
> > >An: Ant Users List
> > >Betreff: Re: optional tasks without disturbing the ant/lib folder
> > >
> > >very interesting!
> > >
> > >i created an antlib.xml file in mylibdir/antlib.xml 
> > >
> > ><antlib>
> > ><!-- typedef the tasks that work for ant less than 1.6 -->
> > ><taskdef resource="ant-jsch.properties"/>
> > >
> > ><!-- condition typedefs - these do not work for ant less than 
> > >1.6 --> </antlib>
> > >
> > >also mylibdir/ant-jsch.properties
> > >
> > >scp=org.apache.tools.ant.taskdefs.optional.ssh.Scp
> > >sshexec=org.apache.tools.ant.taskdefs.optional.ssh.SSHExec
> > > 
> > >and build.xml:
> > >
> > ><project name="myproject" xmlns:my="antlib:mylibdir/antlib.xml" > ...
> > ><my:scp ...
> > >
> > >which outputs:
> > >
> > >D:\dev\workspace\autodeploy\build.xml:582: Could not create 
> > >task or type of
> > >type: antlib:mylibdir/antlib.xml:scp.
> > >
> > >am i missing something obvious?
> > >
> > >
> > >On 8/16/05, Jan.Materne@rzf.fin-nrw.de 
> > ><Jan.Materne@rzf.fin-nrw.de> wrote:
> > >>
> > >> >what would be really nice is if there were two "namespaces"
> > >> >available for a given optional task. such that the task in the 
> > >> >ant/lib/ant-jsch.jar would
> > >> >have:
> > >> >
> > >> ><taskdef name="scp" classname="
> > >> >org.apache.tools.ant.taskdefs.optional.ssh.Scp"> 
> > >> >
> > >> >and perhaps an ant/external/lib/ant-jsch.jar would have:
> > >> >
> > >> ><taskdef name="e_scp" classname="
> > >> >external.org.apache.tools.ant.taskdefs.optional.ssh.Scp ">
> > >> >
> > >> >thoughts/ideas?
> > >>
> > >> XML namespaces.
> > >>
> > >> <scp> is defined in
> > >>
> > >[$ANT_HOME/lib/ant.jar!]org/apache/tools/ant/taskdefs/default.properti 
> > >> es
> > >>
> > >> Define your scp via an antlib.xml and load it <project
> > >> xmlns:my="antlib:path/to/my/jar"> And use it with <my:scp>
> > >>
> > >>
> > >> Jan 
> > >>
> > >> ---------------------------------------------------------------------
> > >> To unsubscribe, e-mail: user-unsubscribe@ant.apache.org For
> > >additional
> > >> commands, e-mail: user-help@ant.apache.org
> > >>
> > >>
> > >
> > 
> > --------------------------------------------------------------------- 
> > To unsubscribe, e-mail: user-unsubscribe@ant.apache.org
> > For additional commands, e-mail: user-help@ant.apache.org
> > 
> > 
>

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