Ant and the Windows Registry

Ant and the Windows Registry

Ant and the Windows Registry

2006-10-17 - By Robert Pepersack

Reply: 1 2 3 4 5 6 7 8 9 10 >>

I tried the Java Preferences API, but it won't let you access registry
entries. It will only let you read/write to registry entries that you
create specifically for your Java application, based on the Java
package.

So, I tried orangevolt, but I get this error:

BUILD FAILED
C:\MIAEnterpriseSystem\Delivery8.0\build.xml:40: taskdef A class needed
by class com.orangevolt.tools.ant.Win32ShortcutTask cannot be found:
com/roxes/win32/UrlFile

I tried taking Peter Kitt's advice by putting the
orangevolt-ant-tasks.jar file into %USERPROFILE%/.ant/lib. But, no such
directory exists in my C:\Documents and Settings directory. When I
tried to create the .ant directory, Windows 2000 gave me this error:

You must type a filename.

So, I tried adding the orangevolt .jars to my classpath with no
success. Here's the snippet from my build file:

<path id="build.classpath">
<pathelement location="${classes.dir}/easserver.jar" />
<pathelement location="${classes.dir}/easj2ee.jar" />
<pathelement location="${classes.dir}/easclient.jar" />
<pathelement location="${classes.dir}/jconn2.jar" />
<pathelement
location="${classes.dir}/orangevolt-ant-tasks-1.3.5.jar" />
<pathelement
location="${classes.dir}/roxes-win32forjava-1.0.4.jar" />
<pathelement location="${java.home}/lib/tools.jar" />
<pathelement location="${classes.dir}" />
<pathelement location="${src.dir}" />
</path>

<taskdef classpath="build.classpath"
resource="com/orangevolt/tools/ant/taskdefs.properties"/>
<target name="orangevolt" description="Check for EAServer's
classpath">

<win32.registry root="HKEY_LOCAL_MACHINE" key="SYSTEM">
<exists property="test"
subkey="CurrentControlSet/Services/Jaguar/Parameters" entry="CLASSPATH"
/>
</win32.registry>

<echo message="test=${test}" />
</target>

What am I doing wrong?

Thanks,

Bob

Robert Pepersack
Senior Lead Developer
Maryland Insurance Administration
410-468-2054

>>> peter.kitt.reilly@(protected) 10/13/2006 9:34:42 AM >>>
On 10/13/06, Robert Pepersack <RPepersack@(protected)>
wrote:
> Hi all,
>
> I would like to read and alter a Windows registry key with Ant. You
> may ask why would I want to change the Windows registry??!! I want
to
> change the registry because I want to change my J2EE server's
(Sybase
> EAServer) classpath from Ant. My fellow developers and I could
change
> our servers' classpathes manually by opening regedit, but this would
be
> prone to point-and-click screw-ups. I think that changing the
registry
> from Java would be more reliable and less error-prone.
>
> I Googled on the subject and found that there is a Java Preferences
API
> and Orangevolt Ant Tasks. Has anyone used these, or know of
something
> better?
>
The orangevolt ant tasks look pretty nice. They include a jni dll
that accesses the win reg (why oh why did sun not support jdirect?)

On initial load, the tasks copy the dll into $JAVA_HOME/jre/bin.
The tasks can then read and write reg entries.

Usage: drop the orangevolt-ant-tasks.jar file into
%USERPROFILE%/.ant/lib
and
use:
<project name="rox" default="main">
<taskdef resource="com/orangevolt/tools/ant/taskdefs.properties"/>

<target name="main">

<win32.registry root="HKEY_LOCAL_MACHINE" key="SOFTWARE">

<exists property="softwareExists"/>
</win32.registry>

<echo message="softwareExists=${softwareExists}"/>
</target>
</project>

Peter

> Thanks,
>
> Bob
>
> Robert Pepersack
> Senior Lead Developer
> Maryland Insurance Administration
> 410-468-2054
>
>
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Ant and the Windows Registry