Ryan -
Whereever you store them - in the ApplicationResources.properties file,
some other .properties file, in the web.xml file or even hardcoded into a
.java class - make sure you use Ant to build the version you need and not
go in and hand-change the properties when you're creating the war file for
deployment on a specific machine.
One good way to do this is to put platform- or host-specific properties in
a file named "build.properties" and have use the Ant <replace> task read
the properties from this file and then <replace> these values with the ones
for the particular platform.
Expanding Victor's earlier example:
1. In your /WEB-INF/web.xml file, code:
<env-entry>
<description>My variable description</description>
<env-entry-name>myVariable</env-entry-name>
<env-entry-value>#MY_VARIABLE_VALUE#<env-entry-value>
<env-entry-type>java.lang.String</env-entry-type>
</env-entry>
2. In the build.properties for THIS PARTICULAR TARGET MACHINE have the
entry
my.variable.value=/usr/local/bin/stuff
3. Then in your Ant build.xml file, have a task similar to:
<target name="build-war-for-Server01" >
<replace
file="webapps/myWebApp/WEB-INF/web.xml"
propertyFile="path/to/Server01/build.properties" >
<replacefilter
token="#MY_VARIABLE_VALUE#"
property="my.variable.value"/>
</replace>
</target>
4. The resulting web.xml will then contain the correct environment values,
and you can access them as Victor indicated:
> and from any of your servlet/action classes you can do the following
to
> retrieve the variables:
> Context context = new InitialContext();
> stuff = (String) context.lookup("java:comp/env/myVariable");
A similar approach can be used to create machine-specific
ApplicationResource.properties files.
FWIW -
Kevin
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