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From "Timo Wolf (JIRA)" <j...@codehaus.org>
Subject [jira] Commented: (MDEP-26) New goal to write classpath string with all dependencies from local repo
Date Wed, 22 Nov 2006 07:07:32 GMT
    [ http://jira.codehaus.org/browse/MDEP-26?page=comments#action_80723 ] 
            
Timo Wolf commented on MDEP-26:
-------------------------------

Hi All,

In addition, it would make sense to write the dependencies into a file with a defined pattern.

I am using the assembly plugin to create a Mac OS X java application. OS X applications are
using an xml file to describe the application, containing the main class and the jar files
that are in the classpath.

Currently I have to change the xml file by hand if I add a new jar file or if I am using a
new version.

Below is a sample of the xml file used by OS X.

<key>Java</key>
<dict>
	<key>Arguments</key>
     <string>rat.properties</string>
	<key>ClassPath</key>
	<array>
         <string>ant-optional.jar</string>
         <string>avalon-framework.jar</string>
         <string>batik-1.5-fop.jar</string>
         <string>binding.jar</string>
         <string>colt.jar</string>
         <string>commons-beanutils.jar</string>
         <string>commons-collections.jar</string>
     </array>
</dict>


> New goal to write classpath string with all dependencies from local repo
> ------------------------------------------------------------------------
>
>                 Key: MDEP-26
>                 URL: http://jira.codehaus.org/browse/MDEP-26
>             Project: Maven 2.x Dependency Plugin
>          Issue Type: New Feature
>    Affects Versions: 1.0
>            Reporter: Anagnostopoulos Kostis
>         Assigned To: Brian Fox
>            Priority: Minor
>         Attachments: MDEP-26_BuildClasspathMojo.java
>
>
> Hi to all,
> 'm wondering whether it would be usefull to make a new mojo that when executed it will
output a text file containing the required classpath string to run a project directly from
the local repository.
> For instance, the file would contain a classpath string like that :
> {noformat}  
>     /home/foo/.m2/repository/org/java/utils/util/util-1.0.jar:/home/foo/.m2/ ....
> {noformat}  
> The result file could then be used like that:
> {noformat}  
>     java -cp `cat resultFile` MyClass
> {noformat}  
> The new goal should maybe a sub-class of AbstractFromDependenciesMojo.
> In that case, the "useSubDirectoryPerType" and "useSubDirectoryPerArtifact" params should
move to (copy/unpack)-dependencies mojo classes.  Anyway, these params are only used by sub-classes,
so, their definition should be propably inside of those.
> Next are the parameters of the mojo i propose:
> ----
> goal name: dependency:printClasspath
> params:
> || Param Name || Type || Description
> | outputFile        | File     | The file to write the classpath string into. |
> | overwrite          | boolean|  If true, re-write file even when nothing has changed.
|
> | includeTypes  | String | Comma Separated list of Types to include. |
> | excludeTypes | String | Comma Separated list of Types to exclude |
> | includeProjectArtifact| boolean | see [this issue|http://jira.codehaus.org/browse/MDEP-25].
|

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