Including another xml file in pom.xml

I am trying to include an XML file in a . Mine looks something like this pom.xml (maven)

pom.xml

<?xml version="1.0" encoding="UTF-8"?>
<project>
<!-- <xi:include href="minify.xml" xmlns:xi="http://www.w3.org/2003/XInclude"/>
 -->  <modelVersion>4.0.0</modelVersion>
  <groupId>myproject</groupId>
  <artifactId>myproject</artifactId>
  <packaging>war</packaging>
  <version>0.0.1-SNAPSHOT</version>
  <description></description>
  <build>
    <plugins>

      <plugin>
        <artifactId>maven-compiler-plugin</artifactId>
        <version>2.3.2</version>
        <configuration>
          <source>1.5</source>
          <target>1.5</target>
        </configuration>
      </plugin>
    <!-- include plugin tag from other xml file -->
// I would like maintain one seperate xml file to hold all plugin tags (to reduce pom.xml //file content.
</plugins>

      

        
        
        
      

    

I am using for . But I have saved the css and js files in many separate folders. I need to add this tag below "com.samaxes.maven"

minify css and js files

<plugin>
    <groupId>com.samaxes.maven</groupId>
    <artifactId>minify-maven-plugin</artifactId>
    <version>1.7.4</version>
    <executions>
        <execution>
            <id>default-minify-1</id>
            <configuration>
                   <charset>utf-8</charset>
                   <jsEngine>CLOSURE</jsEngine>
                   <skipMerge>true</skipMerge>
                   <nosuffix>true</nosuffix>
                  <!--   <skipMinify>true</skipMinify>   -->   <!--skips already minfied css fiels -->

                    <cssSourceDir>inc/one/css</cssSourceDir>
                   <cssTargetDir>inc/one/css/mini</cssTargetDir>
                   <cssSourceIncludes>
                      <cssSourceInclude>*.css</cssSourceInclude>
                   </cssSourceIncludes>

                    <jsSourceDir>proj/platform/common/js/</jsSourceDir>
                   <jsTargetDir>proj/platform/common/js/mini</jsTargetDir>
                   <jsSourceIncludes>
                     <jsSourceInclude>*.js</jsSourceInclude>
                   </jsSourceIncludes>
                   <closureCreateSourceMap>true</closureCreateSourceMap>
            </configuration>
            <goals>
                <goal>minify</goal>
            </goals>
        </execution>
    </executions>
 </plugin>

      

        
        
        
      

    

I have the option to include multiple directories, and I decided to include all directories by repeating the snippet code above. But later, to separate all the mifiy, include in another XML file. I am looking for a way to include an XML tag inside a tag. Someone please help me.