[jira] Commented: (MSHADE-43) spring.schemas and spring.handlers support

["Sergei Ivanov (JIRA)" <ji...@codehaus.org>]

    [ http://jira.codehaus.org/browse/MSHADE-43?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=164742#action_164742 ] 

Sergei Ivanov commented on MSHADE-43:
-------------------------------------

This is not actually needed, because the desired effect can be achieved using the existing transformers ('spring.handlers' and 'spring.schemas' are just plain property files and can be concatenated). It would be beneficial for the community if the configuration fragment below was added to the plugin FAQ.
We use the following shade plugin configuration to deal with the Spring namespace configuration:
{code:xml}
<plugin>
    <groupId>org.apache.maven.plugins</groupId>
    <artifactId>maven-shade-plugin</artifactId>
    <executions>
        <execution>
            <phase>package</phase>
            <goals>
                <goal>shade</goal>
            </goals>
            <configuration>
                <transformers>
                    <transformer implementation="org.apache.maven.plugins.shade.resource.AppendingTransformer">
                        <resource>META-INF/spring.handlers</resource>
                    </transformer>
                    <transformer implementation="org.apache.maven.plugins.shade.resource.AppendingTransformer">
                        <resource>META-INF/spring.schemas</resource>
                    </transformer>
                </transformers>
            </configuration>
        </execution>
    </executions>
</plugin>
{code}

> spring.schemas and spring.handlers support
> ------------------------------------------
>
>                 Key: MSHADE-43
>                 URL: http://jira.codehaus.org/browse/MSHADE-43
>             Project: Maven 2.x Shade Plugin
>          Issue Type: New Feature
>    Affects Versions: 1.2
>            Reporter: Erik Post
>         Attachments: maven-shade-plugin-spring-support.patch
>
>
> The attached patch adds support for merging the spring.schemas and spring.handlers files when shading a project that has multiple spring dependencies. The spring.schemas and spring.handlers files contain configuration data that is used by the Spring Framework when parsing context configuration XML files.
> The patch adds two resource transformers (SpringHandlersResourceTransformer and SpringSchemasResourceTransformer) that merge the contents of all encountered spring.handlers and spring.schemas files, and puts the merged files in the shaded jar. I based the code on the ComponentXmlResourceTransfomer. Unit tests are included.

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