added license plugin

Author: mjacoby

pom.xml

@@ -6,15 +6,6 @@
     <groupId>io.admin-shell.aas</groupId>
     <artifactId>dataformat-parent</artifactId>
     <version>${revision}</version>
-    <build>
-        <plugins>
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-project-info-reports-plugin</artifactId>
-                <version>3.1.2</version>
-            </plugin>
-        </plugins>
-    </build>
     <packaging>pom</packaging>
     <modules>
         <module>dataformat-aasx</module>
@@ -29,6 +20,10 @@
         <maven.compiler.target>1.8</maven.compiler.target>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
+        <plugin.flatten.version>1.2.2</plugin.flatten.version>
+        <plugin.javadoc.version>3.2.0</plugin.javadoc.version>
+        <plugin.license.version>4.1</plugin.license.version>
+        <plugin.projectinfo.version>3.1.2</plugin.projectinfo.version>
         <classgraph.version>4.8.109</classgraph.version>
         <commons-io.version>2.6</commons-io.version>
         <jackson.version>2.12.3</jackson.version>
@@ -47,4 +42,35 @@
         <shacl.version>1.3.2</shacl.version>
         <commons-lang3.version>3.8.1</commons-lang3.version>
     </properties>
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-project-info-reports-plugin</artifactId>
+                <version>${plugin.projectinfo.version}</version>
+            </plugin>
+            <plugin>
+                <groupId>com.mycila</groupId>
+                <artifactId>license-maven-plugin</artifactId>
+                <version>${plugin.license.version}</version>
+                <configuration>
+                    <licenseSets>
+                        <licenseSet>
+                            <header>license-header.txt</header>
+                            <includes>
+                                <include>**/*.java</include>
+                            </includes>
+                        </licenseSet>
+                    </licenseSets>
+                </configuration>
+                <executions>
+                    <execution>
+                        <goals>
+                            <goal>check</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
+        </plugins>
+    </build>
 </project>