Hello Marco
Sorry for the delay.
Yes, that another avenue, using the copy with filtering. In order to
have the replacement, you must copy the file yes.
So the suggestion would be to keep the file holding the token as a
template dans copy it somewhere in the target dir to get the value you
are looking for.
With Maven, there is always a way to get the job done. Sometimes we have
to search or ask but I've always been able to what I want out of this
marvelous tool!
Later!
Eric.
Marco Mistroni wrote:
hELLO erik,
ok i got it by using ant:filterchain in a sample defined..
i used as substitution file for properties my project.properties..
i was curious on one thing though it could be off-topic since it's ant-related
question..
seems to me that filterchain works only when you copy files
if i put a token @DB_DRIVER@ in my source java file, will ant replace it
althought i am not copying files?
thanks and regards
marco
On 8/10/05, Marco Mistroni <[EMAIL PROTECTED]> wrote:
Hello Erik,
thanks again for your reply...
Well, maybe i was not clear in what i wanted to do..
here is explained..
i have in mydir\conf a file named openejb-conf.xml, which is as follows
.......
<Connector id="Default JDBC Database">
JdbcDriver com.mysql.jdbc.Driver
JdbcUrl jdbc:mysql://localhost/menagerie
UserName castor
Password castor
</Connector>
...........
I have also two other configuration files that contains same
informations (jdbc url).
IN addition, i have an abstract dbunit test which is supposed to get a
jdbc connection from the same database..
I am trying to run my app at home and @work, but i have two different
databases (to make things more complicated..).
So, between home and work i am trying to find a way to change as less
informations as possible to get my application running
the first step was to define maven.junit.properties for the above
jdbc data, so that i don't have to modify my java code.
And that worked fine.
But then i realized that i would need to change also those config
files mentioned above, so i tried to use the same approach (of getting
properties from project.properties) which obviously didn't work.
I tried to define an ant:property in my maven.xml for the two above,
but that didn't work either since those files are NOT copied into my
build directory..
Do you have any suggestion on how to achieve my goals (change or
define properties in one place and have them substituted in both
config files and java code?
thanx in advance and regards
marco
On 8/9/05, Eric Giguère <[EMAIL PROTECTED]> wrote:
Hello again
I don,t think that you will be able to use the variable directly in the
property file thought. Only jelly scripts can have variables replaced by
their runtime value. Like the Ant properties, they get assigned only in
Ant scripts executed by Ant. Jelly variable are a little like the Ant
properties, except that the jelly vars. can have their value change over
time. Unlike properties (in Ant), these can have a value set but its
immutable after setting it.
Jelly can be a little, well, complicated, especially if you embedded
Java code in expression. I've not figured out yet exactly all the rules
in jelly expressions, the jelly expression parser is a nasty beast...
But you can get around pretty easily.
Maybe I've misguided you. If you need the value of that variable inside
a property file, you have to actually write this value in the property
file using Ant/Jelly code. Otherwise, if you put the variable name in
there (in the property file), the variable name will be the value of the
property.
NP! Hope it does help you do what you need.
Eric.
Marco Mistroni wrote:
hello eric,
thanx for the tip.. beside, i have to learn jelly, but is it reasonablet
to use a jelly variable my property s hould be in both java code
and a config file?
thanx and regards
marco
On 8/9/05, Eric Giguère <[EMAIL PROTECTED]> wrote:
Hello Marco
For such a need, use the jelly variable.
What you would do typically is initiate your variable using the property
value, then you can modify its value. That would do the trick in runtime
but if you need to actually write this value in a property, check the
Ant <property> tag, that should allow you to write the value in your
property file.
Hope it helps
Eric.
Marco Mistroni wrote:
hello all,
i am building an application using Maven.
I have defined some custom properties in project.properties, and i
can successfully retrieve them inside my java code using
System.getPRoperteis.
I was wondering however if maven can substitute properties defined
inside project.properties also in normal configuration files.
example:
i have a config file called openejb.config in which i have to define
a datasource wiht url, username and password
i need same informations also for my dbunit tests, so i have defined
those 3passwords inside my project properteis.
in my java code i use System.getPRoperty("username") to get value
from properties, but in my config file i have tried to do
${username}
hoping that during compiation/build maven would have substituted it
with the value of the property username defined in project.properties
But it didn't work...
Is it possible to do that? if so, how?
thanks in advance and regards
marco
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