checkstyle.txt

            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-checkstyle-plugin</artifactId>
                <version>2.6</version>
                <dependencies>
                    <!-- https://mvnrepository.com/artifact/com.puppycrawl.tools/checkstyle -->
                    <dependency>
                        <groupId>com.puppycrawl.tools</groupId>
                        <artifactId>checkstyle</artifactId>
                        <version>5.7</version>
                    </dependency>
                </dependencies>
                <configuration>
                    <cacheFile></cacheFile>
                    <consoleOutput>true</consoleOutput>
                    <logViolationsToConsole>true</logViolationsToConsole>
                    <propertyExpansion>
                        config_loc=${project.basedir}
                    </propertyExpansion>
                    <includeTestSourceDirectory>true</includeTestSourceDirectory>
                    <linkXRef>false</linkXRef>
                    <failsOnError>${strictBuild}</failsOnError>
                </configuration>
                <executions>
                    <execution>
                        <id>enforce-style</id>
                        <phase>process-sources</phase>
                        <goals>
                            <goal>checkstyle</goal>
                        </goals>
                        <!-- <configuration> <failOnViolation>true</failOnViolation> <maxAllowedViolations>0</maxAllowedViolations>
                            <violationSeverity>info</violationSeverity> </configuration> -->
                    </execution>
                </executions>
            </plugin>