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From: "Geddes, Mark (ANTS)" <mark.geddes@ants.co.uk>
To: 'Maven Users List' <users@maven.apache.org>
Subject: RE: Struts dependent artefacts
Date: Wed, 3 Dec 2003 10:13:28 -0000 
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Yes, but there is only one level of inheritance. I am declaring these
dependencies in my project's top-level project.xml, and I have multiple
sub-projects (ejbs, war, ear) which extend the top-level project.
The problem is that I have several other J2EE projects with the same
structure, and I am having to repeat this _logic_. I'm looking for an
approach based on _composition_ rather than _inheritance_.
Thanks anyway,

Mark

-----Original Message-----
From: egglersim@post.ch [mailto:egglersim@post.ch] 
Sent: 03 December 2003 09:28
To: users@maven.apache.org
Subject: RE: Struts dependent artefacts


You can inherit the dependecies from another project with the <extend>
tag.
Look at: http://maven.apache.org/reference/project-descriptor.html

-----Original Message-----
From: Geddes, Mark (ANTS) [mailto:mark.geddes@ants.co.uk] 
Sent: Mittwoch, 3. Dezember 2003 10:13
To: 'users@maven.apache.org'
Subject: Struts dependent artefacts


Hi,
Apologies if this has been asked before - I searched the archives but
didn't
find the answer I was looking for. I am in the process of migrating
several
projects from an in-house build system to the excellent Maven. We tend
to
package everything as EAR archives, and we make extensive use of Struts.
The
in-house system leans heavily on the ideas from 'Java Development with
Ant'
(Hatcher, Loughran), specifically we store versions of Struts in version
specific directories. So a 'struts-1.1' directory will contain all the
jars
and tlds for that version. The Ant script will copy all the runtime
required
jars and tlds from the directory into the appropriate build area. The
version is controlled through a property, so migrating between versions
has
been seamless. 
I am now using Maven's dependency mechanism, and have come up with
something
like this for Struts-1.1:

		<dependency>
			<groupId>struts</groupId>
			<artifactId>struts</artifactId>
			<version>1.1</version>
			<properties>
				<ear.bundle>true</ear.bundle>
			</properties>
		</dependency>
		<dependency>
			<groupId>struts</groupId>
			<artifactId>struts-logic</artifactId>
			<version>1.1</version>
			<type>tld</type>
			<properties>
				<war.bundle>true</war.bundle>
			</properties>
		</dependency>
		<dependency>
			<groupId>struts</groupId>
			<artifactId>struts-bean</artifactId>
			<version>1.1</version>
			<type>tld</type>
			<properties>
				<war.bundle>true</war.bundle>
			</properties>
		</dependency>
		<dependency>
			<groupId>struts</groupId>
			<artifactId>struts-html</artifactId>
			<version>1.1</version>
			<type>tld</type>
			<properties>
				<war.bundle>true</war.bundle>
			</properties>
		</dependency>
		<dependency>
			<groupId>struts</groupId>
			<artifactId>struts-nested</artifactId>
			<version>1.1</version>
			<type>tld</type>
			<properties>
				<war.bundle>true</war.bundle>
			</properties>
		</dependency>
		<dependency>
			<groupId>struts</groupId>
			<artifactId>struts-template</artifactId>
			<version>1.1</version>
			<type>tld</type>
			<properties>
				<war.bundle>true</war.bundle>
			</properties>
		</dependency>
		<dependency>
			<groupId>struts</groupId>
			<artifactId>struts-tiles</artifactId>
			<version>1.1</version>
			<type>tld</type>
			<properties>
				<war.bundle>true</war.bundle>
			</properties>
		</dependency>
		<dependency>
			<groupId>commons-beanutils</groupId>
			<artifactId>commons-beanutils</artifactId>
			<version>1.6</version>
			<properties>
				<ear.bundle>true</ear.bundle>
			</properties>
		</dependency>
		<dependency>
			<groupId>commons-digester</groupId>
			<artifactId>commons-digester</artifactId>
			<version>1.5</version>
			<properties>
				<ear.bundle>true</ear.bundle>
			</properties>
		</dependency>
		<dependency>
			<groupId>commons-collections</groupId>
			<artifactId>commons-collections</artifactId>
			<version>2.1</version>
			<properties>
				<ear.bundle>true</ear.bundle>
			</properties>
		</dependency>
		<dependency>
			<groupId>commons-fileupload</groupId>
			<artifactId>commons-fileupload</artifactId>
			<version>1.0</version>
			<properties>
				<ear.bundle>true</ear.bundle>
			</properties>
		</dependency>
		<dependency>
			<groupId>commons-logging</groupId>
			<artifactId>commons-logging</artifactId>
			<version>1.0.3</version>
			<properties>
				<ear.bundle>true</ear.bundle>
			</properties>
		</dependency>
		<dependency>
			<groupId>commons-lang</groupId>
			<artifactId>commons-lang</artifactId>
			<version>1.0.1</version>
			<properties>
				<ear.bundle>true</ear.bundle>
			</properties>
		</dependency>
		<dependency>
			<groupId>commons-validator</groupId>
			<artifactId>commons-validator</artifactId>
			<version>1.0.2</version>
			<properties>
				<ear.bundle>true</ear.bundle>
			</properties>
		</dependency>
		<dependency>
			<groupId>oro</groupId>
			<artifactId>oro</artifactId>
			<version>2.0.6</version>
			<properties>
				<ear.bundle>true</ear.bundle>
			</properties>
		</dependency>

This is fine. The problem is that I have to duplicate this for each
project.
Is there a simple way to re-use this _logic_ across multiple projects,
or am
I heading up the wrong path? 
Any ideas gratefully received.

Mark


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Internet communications are not necessarily secure and may be intercepted or changed after they are sent.  Abbey National Treasury Services plc does not accept liability for any loss you may suffer as a result of interception or any liability for such changes.  If you wish to confirm the origin or content of this communication, please contact the sender by using an alternative means of communication.

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