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Re: Please consider using Maven

From: Dave Cramer <pg(at)fastcrypt(dot)com>
To: Shijun Kong <skong(at)investoranalytics(dot)com>
Cc: "pgsql-jdbc(at)postgresql(dot)org" <pgsql-jdbc(at)postgresql(dot)org>
Subject: Re: Please consider using Maven
Date: 2012-08-10 10:33:23
Message-ID: CADK3HHLxLObgvx4EWwk3d-oQY7E8s5v5twRcgDUyV+0uomvtdw@mail.gmail.com (view raw or flat)
Thread:
Lists: pgsql-jdbc
Well clearly the maintainers of the driver are much more comfortable
using ant. So your solution would have *us* relearn a new tool.

Why not use gradle as someone else suggested? Or the next new super
duper build system when it comes out?

I think our time is better spent adding features not refactoring the
build system.


Dave Cramer

dave.cramer(at)credativ(dot)ca
http://www.credativ.ca


On Thu, Aug 9, 2012 at 5:42 PM, Shijun Kong <skong(at)investoranalytics(dot)com> wrote:
>
> Maven definitely can handle that, one solution can be using profiles for
> different jdbc versions.
> (http://maven.apache.org/guides/introduction/introduction-to-profiles.html)
>
> For all those "if then include" entries in build.xml:
> <include name="${package}/jdbc3/Jdbc3Array.java" if="jdbc3"/>
>
> It can be archived by use maven compiler plugin, includes filter
> (http://maven.apache.org/plugins/maven-compiler-plugin/compile-mojo.html)
>
> <build>
>     <sourceDirectory>../src/main/java</sourceDirectory>
>
>     <plugins>
>       <plugin>
>         <artifactId>maven-compiler-plugin</artifactId>
>         <version>2.0.2</version>
>         <configuration>
>           <includes><include>**/jdbc3/**</include></includes>
>         </configuration>
>       </plugin>
>     </plugins>
>   </build>
>
>
>
> I do see the benefit for pgsql-jdbc project to migrating to
> maven. The standard and conversion brought by maven makes it much easier
> to write patch and test for a project without have to spend time read a
> customized ant build.xml and README for some basic jobs
> (compile/test/build). I once wanted to contribute back an hstore
> enhancement but gave up after spending 5 mins into build.xml.(Yes, I am
> lazy. I don't want to spend more than 5 mins to understand a customized
> build/test process.)
>
> Here is a half way migration (example only, I am not sure if I would have
> time to complete it), only fixed to do one job: compile for jdbc4:
> https://github.com/sinbadblue/pgjdbc/tree/maven_migration
>
> To reduce the initial conversion work, I only changed directories
> structure and leverage existing ant target "driver" to build for java
> version 1.6(jdbc4 flavor) only.
> __________________________
>
> Shijun Kong
>
>
> On 8/2/12 8:07 PM, "Craig Ringer" <ringerc(at)ringerc(dot)id(dot)au> wrote:
>
>>On 08/03/2012 01:11 AM, Dave Cramer wrote:
>>> Thomas,
>>>
>>> I would have no problem publishing to maven if someone wants to do the
>>> work to make it happen.
>>
>>I work with Maven a lot and like it. Mostly. I thought about trying to
>>Mavenize the JDBC driver a while ago but before I proposed it here I
>>took at look at the build.xml and decided it wasn't so important after
>>all ;-)
>>
>>PgJDBC has all that that funky business for handling different JDBC
>>levels and compilation with different JDKs. It's not especially
>>challenging to do with Maven, but it complicates things a bit. When I
>>last looked I didn't know enough about Maven to be able to tackle it.
>>
>>Knowing that you're OK with moving it over to Maven is interesting. If
>>I'm ever feeling the lack of pain and suffering in my day to day
>>development I might give the conversion a go ;-)
>>
>>--
>>Craig Ringer
>>
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