Mechanism to import common depdencies into your pom files?

2006-11-03 Thread jp4

I have a client with many different maven projects.  I am trying to figure
out a way to manage the versions of common libraries across these projects
without duplicating the version number in each project.  For example,
commons-lang-1.1.jar is used in 50 projects.  I know that I can use a parent
pom file to do this, but I don't want all of my projects to include
everything in the parent pom.  Is there a way to import or include a
dependency in your pom... So for example, define a file with common-lang
dependency and include that in all pom files that need to reference it?

Thanks,

jp4
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Re: Mechanism to import common depdencies into your pom files?

2006-11-03 Thread Wendy Smoak

On 11/3/06, jp4 [EMAIL PROTECTED] wrote:


I have a client with many different maven projects.  I am trying to figure
out a way to manage the versions of common libraries across these projects
without duplicating the version number in each project.


This is typically done with dependencyManagement.  You specify
version numbers there, then just declare the groupId and artifactId in
the module that needs it.  (There have been some issues with
dependency management and transitive dependencies, so check JIRA or
the list archives if it doesn't seem to be working right.)


For example,
commons-lang-1.1.jar is used in 50 projects.  I know that I can use a parent
pom file to do this, but I don't want all of my projects to include
everything in the parent pom.  Is there a way to import or include a
dependency in your pom... So for example, define a file with common-lang
dependency and include that in all pom files that need to reference it?


To inherit it without ever declaring it again, just put it in
dependencies in a top-level pom.

Many organizations have a 'master pom' (with no modules) that the
various [project]-parent poms inherit from.

If you do this, be sure the dependencies are *really* common to all projects.

--
Wendy

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Re: Mechanism to import common depdencies into your pom files?

2006-11-03 Thread Wayne Fay

This is essentially why the dependencyManagement node was created.
Take a look at it.

You'll probably want to make a single corporate-wide super parent
that all your projects point to, and include the depMgmt node in
that pom. Then in projects that need to use various dependencies, you
can declare the dependency without any version information and it will
use the version declared in the super parent depMgmt node.

Wayne

On 11/3/06, jp4 [EMAIL PROTECTED] wrote:


I have a client with many different maven projects.  I am trying to figure
out a way to manage the versions of common libraries across these projects
without duplicating the version number in each project.  For example,
commons-lang-1.1.jar is used in 50 projects.  I know that I can use a parent
pom file to do this, but I don't want all of my projects to include
everything in the parent pom.  Is there a way to import or include a
dependency in your pom... So for example, define a file with common-lang
dependency and include that in all pom files that need to reference it?

Thanks,

jp4
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Re: Mechanism to import common depdencies into your pom files?

2006-11-03 Thread jp4

Exactly what I was looking for and it works quite well!

Thanks,
jp4


Wendy Smoak-3 wrote:
 
 On 11/3/06, jp4 [EMAIL PROTECTED] wrote:
 
 I have a client with many different maven projects.  I am trying to
 figure
 out a way to manage the versions of common libraries across these
 projects
 without duplicating the version number in each project.
 
 This is typically done with dependencyManagement.  You specify
 version numbers there, then just declare the groupId and artifactId in
 the module that needs it.  (There have been some issues with
 dependency management and transitive dependencies, so check JIRA or
 the list archives if it doesn't seem to be working right.)
 
 For example,
 commons-lang-1.1.jar is used in 50 projects.  I know that I can use a
 parent
 pom file to do this, but I don't want all of my projects to include
 everything in the parent pom.  Is there a way to import or include a
 dependency in your pom... So for example, define a file with common-lang
 dependency and include that in all pom files that need to reference it?
 
 To inherit it without ever declaring it again, just put it in
 dependencies in a top-level pom.
 
 Many organizations have a 'master pom' (with no modules) that the
 various [project]-parent poms inherit from.
 
 If you do this, be sure the dependencies are *really* common to all
 projects.
 
 -- 
 Wendy
 
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