Loading data maps from JARs

From: Borut Bolčina (borut.bolcin..mail.com)
Date: Tue Feb 16 2010 - 07:38:55 EST

  • Next message: Andrus Adamchik: "Re: Loading data maps from JARs"

    Hi,

    I am still pursuing the idea of loading cayenne configuration files from
    different locations. I need an advice on how to load mapping files from
    different location other then the same location as cayenne.xml.

    I am looking at the source code (Configuration, DefaultConfiguration,
    RuntimeLoadDElegate, ResourceLocator,...) and did't just figured it out.

    I have project-model1 with:
    cayenne.xml
    my-map-1.map.xml
    and some data object classes

    and project-model2 with
    cayenne.xml
    my-map-2.map.xml
    and some data object classes.

    Now in my web project I need data objects from both JARs (project-model1.jar
    and project-model2.jar). The web project has "manually crafted" cayenne.xml
    which is read by

            DefaultConfiguration conf = new
    DefaultConfiguration("my-manually-crafted-cayenne.xml");
            Configuration.initializeSharedConfiguration(conf);

    my-manually-crafted-cayenne.xml looks like:

    <?xml version="1.0" encoding="utf-8"?>
    <domains project-version="3.0.0.1">
    <domain name="MyDomain">
        <map name="my-map-1" location="my-map-1.map.xml"/>
        <map name="my-map-2" location="my-map-2.map.xml"/>

        <node name="my-map-1Node"
             datasource="dbcp-1.properties"
             factory="org.apache.cayenne.conf.DBCPDataSourceFactory">
                <map-ref name="my-map-1"/>
         </node>

         <node name="my-map-2Node"
             datasource="dbcp-2.properties"
             factory="org.apache.cayenne.conf.DBCPDataSourceFactory">
                <map-ref name="my-map-2"/>
         </node>
    </domain>
    </domains>

    Question is: Can ResourceLocator be configured to read mapping files
    my-map-1.map.xml and my-map-2.map.xml from the root of project-model1.jar
    and project-model2.jar?

    The DefaultConfiguration read from classpath, but it seems it does not find
    mapping files inside the JARs (at root of it).

    Thanks for tips,
    Borut

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