Maven - how to delete contents of a folder during a clean phase?

Question

in my project I have a folder called war. It is initially empty and it's under version control. The folder gets populated by Maven during its package phase and Eclipse's WST plugin deploys the web app from this folder.

What I want is to delete contents of the war folder during the clean phase but not the folder itself. How do I do that? So far I know how to delete the whole war folder:

<plugin>
    <groupId>org.apache.maven.plugins</groupId>
    <artifactId>maven-clean-plugin</artifactId>
    <version>2.4.1</version>
    <configuration>
        <followSymLinks>false</followSymLinks>
        <filesets>
            <fileset>
                <directory>${basedir}/war</directory>
            </fileset>
        </filesets>
    </configuration>
</plugin>

How do I delete only contents of the war folder but not the folder itself? I know that by adding some existing excludes, the folder won't be deleted. But how to generally delete only contents of a folder?

Answer 1

Add this includes section to your fileset definition

<build>
    <plugins>
        <plugin>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-clean-plugin</artifactId>
            <version>2.4.1</version>
            <configuration>
                <filesets>
                    <fileset>
                        <directory>war</directory>
                        <includes>
                            <include>**/*</include>
                        </includes>
                        <followSymlinks>false</followSymlinks>
                    </fileset>
                </filesets>
            </configuration>
        </plugin>
    </plugins>
</build>