Clever Geek Handbook

Filtering in Maven War Plugin

I don't understand the following filter configuration for maven war plugin. Can someone explain to me what they are doing? I marked the code with first example and second example

    <plugin>
            <artifactId>maven-war-plugin</artifactId>
            <configuration>
                <webResources>
                    <!--First Example-->
                    <resource>
                        <directory>/src/main/webapp</directory>
                        <filtering>true</filtering>
                        <includes>
                            <include>**/*.xml</include>
                            <include>**/*.xhtml</include>
                        </includes>
                    </resource>
                    <!--Second Example-->  
                    <resource>
                        <directory>${basedir}/src/main/webapp</directory>
                        <filtering>false</filtering>
                        <excludes>
                            <exclude>**/*.xml</exclude>
                            <exclude>**/*.xhtml</exclude>
                        </excludes>
                    </resource>
                </webResources>
            </configuration>
        </plugin>
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2 answers


Filtering in war plugin config is used to include / exclude selected directories / files. This configuration looks like this:

<resource>
    <directory>/src/main/webapp</directory>
    <filtering>true</filtering>
    <includes>
         <include>**/*.xml</include>
         <include>**/*.xhtml</include>
    </includes>
</resource>

The filtering configured above is set for / src / main / webapp as the root directory There is a flag called filtering that is used to enable / disable filtering

<include>**/*.xml</include>


means all .xml files in any subdirectory of the root directory (/ src / main / webapp) will be included. Next include means the same thing, but with .xhtml files

<resource>
   <directory>${basedir}/src/main/webapp</directory>
   <filtering>false</filtering>
   <excludes>
      <exclude>**/*.xml</exclude>
      <exclude>**/*.xhtml</exclude>
   </excludes>
</resource>

All options are the same as in the previous part, except for the exception, which have the opposite meaning to include $ {basedir} is used when the root i is in a different path, then pom.xml. In the above example, this is optional

Hope this helps to figure it out.

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I know this is kind of an old question, but the other answer is so misleading that I felt I should clear it up ...

Filtering in Maven usually refers to the concept of replacing overridden properties in processed text files (like replacing occurrences ${project.version}

in your actual version of a project).

Your configuration can be read like this: every XML and / or XHTML file should undergo property substitution when copied to the target directory, while everything else should be simply copied to the target directory without any processing.



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