Check whether XML files matching a RelaxNG schema

The following configuration snippet would check whether all files in the directory src/main/relaxng are matching the schema src/main/schema.rng. Note that additional libraries are required to support RelaxNG validation.

  <build>
    <plugins>
      ...
      <plugin>
        <groupId>org.codehaus.mojo</groupId>
        <artifactId>xml-maven-plugin</artifactId>
        <dependencies>
          <dependency>
            <groupId>com.componentcorp.xml.validation</groupId>
            <artifactId>jxvc</artifactId>
            <version>0.9.4</version>
          </dependency>
          <dependency>
            <groupId>com.componentcorp.xml.validation</groupId>
            <artifactId>relaxng</artifactId>
            <version>0.9.4</version>
          </dependency>
        </dependencies>
        <executions>
          <execution>
            <goals>
              <goal>validate</goal>
            </goals>
          </execution>
        </executions>
        <configuration>
          <validationSets>
            <validationSet>
              <dir>src/main/relaxng</dir>
              <systemId>src/main/schema.rng</systemId>
              <validating>true</validating>
              <schemaLanguage>http://relaxng.org/ns/structure/1.0</schemaLanguage>
            </validationSet>
          </validationSets>
        </configuration>
      </plugin>
      ...
    </plugins>
  </build>