Specified versions & cleanup duplicated versions

pom.xml

@@ -7,7 +7,8 @@
     <packaging>pom</packaging>
 
     <name>JPlag Plagiarism Detector</name>
-    <description>JPlag is a system that finds similarities among multiple sets of source code files. This way it can detect software plagiarism and collusion in software development.</description>
+    <description>JPlag is a system that finds similarities among multiple sets of source code files. This way it can
+        detect software plagiarism and collusion in software development.</description>
     <url>http://jplag.de</url>
     <organization>
         <name>Karlsruhe Institute of Technology (KIT), KASTEL – Institute of Information Security and Dependability</name>
@@ -86,6 +87,11 @@
         <maven.compiler.target>17</maven.compiler.target>
         <spotless.version>2.22.8</spotless.version>
         <slf4j.version>1.7.36</slf4j.version>
+
+        <antlr2.version>2.7.7</antlr2.version>
+        <antlr3.version>3.5</antlr3.version>
+        <antlr4.version>4.10.1</antlr4.version>
+
         <!-- The Revision of JPlag -->
         <revision>4.0.0-SNAPSHOT</revision>
     </properties>
@@ -96,27 +102,27 @@
             <dependency>
                 <groupId>antlr</groupId>
                 <artifactId>antlr</artifactId>
-                <version>2.7.7</version>
+                <version>${antlr2.version}</version>
             </dependency>
             <dependency>
                 <groupId>org.antlr</groupId>
                 <artifactId>antlr4-runtime</artifactId>
-                <version>4.10.1</version>
+                <version>${antlr4.version}</version>
             </dependency>
             <dependency>
                 <groupId>org.antlr</groupId>
                 <artifactId>antlr4</artifactId>
-                <version>4.10.1</version>
+                <version>${antlr4.version}</version>
             </dependency>
             <dependency>
                 <groupId>org.antlr</groupId>
                 <artifactId>antlr3</artifactId>
-                <version>3.5</version>
+                <version>${antlr3.version}</version>
             </dependency>
             <dependency>
                 <groupId>org.antlr</groupId>
                 <artifactId>antlr3-runtime</artifactId>
-                <version>3.5</version>
+                <version>${antlr3.version}</version>
             </dependency>
             <dependency>
                 <groupId>net.sourceforge.argparse4j</groupId>
@@ -138,59 +144,59 @@
 
             <!-- JPLAG -->
             <dependency>
-                <groupId>${project.groupId}</groupId>
+                <groupId>de.jplag</groupId>
                 <artifactId>text</artifactId>
-                <version>${project.version}</version>
+                <version>${revision}</version>
             </dependency>
             <dependency>
-                <groupId>${project.groupId}</groupId>
+                <groupId>de.jplag</groupId>
                 <artifactId>java</artifactId>
-                <version>${project.version}</version>
+                <version>${revision}</version>
             </dependency>
             <dependency>
-                <groupId>${project.groupId}</groupId>
+                <groupId>de.jplag</groupId>
                 <artifactId>python-3</artifactId>
-                <version>${project.version}</version>
+                <version>${revision}</version>
             </dependency>
             <dependency>
-                <groupId>${project.groupId}</groupId>
+                <groupId>de.jplag</groupId>
                 <artifactId>csharp-6</artifactId>
-                <version>${project.version}</version>
+                <version>${revision}</version>
             </dependency>
             <dependency>
-                <groupId>${project.groupId}</groupId>
+                <groupId>de.jplag</groupId>
                 <artifactId>rlang</artifactId>
-                <version>${project.version}</version>
+                <version>${revision}</version>
             </dependency>
             <dependency>
-                <groupId>${project.groupId}</groupId>
+                <groupId>de.jplag</groupId>
                 <artifactId>cpp</artifactId>
-                <version>${project.version}</version>
+                <version>${revision}</version>
             </dependency>
             <dependency>
-                <groupId>${project.groupId}</groupId>
+                <groupId>de.jplag</groupId>
                 <artifactId>scheme</artifactId>
-                <version>${project.version}</version>
+                <version>${revision}</version>
             </dependency>
             <dependency>
-                <groupId>${project.groupId}</groupId>
+                <groupId>de.jplag</groupId>
                 <artifactId>chars</artifactId>
-                <version>${project.version}</version>
+                <version>${revision}</version>
             </dependency>
             <dependency>
-                <groupId>${project.groupId}</groupId>
+                <groupId>de.jplag</groupId>
                 <artifactId>frontend-utils</artifactId>
-                <version>${project.version}</version>
+                <version>${revision}</version>
             </dependency>
             <dependency>
-                <groupId>${project.groupId}</groupId>
+                <groupId>de.jplag</groupId>
                 <artifactId>frontend-testutils</artifactId>
-                <version>${project.version}</version>
+                <version>${revision}</version>
             </dependency>
             <dependency>
-                <groupId>${project.groupId}</groupId>
+                <groupId>de.jplag</groupId>
                 <artifactId>jplag</artifactId>
-                <version>${project.version}</version>
+                <version>${revision}</version>
             </dependency>
         </dependencies>
     </dependencyManagement>
@@ -228,43 +234,11 @@
     <build>
         <pluginManagement>
             <plugins>
-                <plugin>
-                    <groupId>org.codehaus.mojo</groupId>
-                    <artifactId>flatten-maven-plugin</artifactId>
-                    <version>1.2.7</version>
-                    <configuration>
-                        <updatePomFile>true</updatePomFile>
-                        <flattenMode>resolveCiFriendliesOnly</flattenMode>
-                    </configuration>
-                    <executions>
-                        <execution>
-                            <id>flatten</id>
-                            <goals>
-                                <goal>flatten</goal>
-                            </goals>
-                            <phase>process-resources</phase>
-                        </execution>
-                        <execution>
-                            <id>flatten.clean</id>
-                            <goals>
-                                <goal>clean</goal>
-                            </goals>
-                            <phase>clean</phase>
-                        </execution>
-                    </executions>
-                </plugin>
-
                 <plugin>
                     <groupId>com.helger.maven</groupId>
                     <artifactId>ph-javacc-maven-plugin</artifactId>
                     <version>4.1.5</version>
                 </plugin>
-
-                <plugin>
-                    <groupId>org.codehaus.mojo</groupId>
-                    <artifactId>build-helper-maven-plugin</artifactId>
-                    <version>3.3.0</version>
-                </plugin>
                 <plugin>
                     <groupId>org.codehaus.mojo</groupId>
                     <artifactId>antlr-maven-plugin</artifactId>
@@ -273,10 +247,11 @@
                 <plugin>
                     <groupId>org.antlr</groupId>
                     <artifactId>antlr4-maven-plugin</artifactId>
-                    <version>4.10.1</version>
+                    <version>${antlr4.version}</version>
                 </plugin>
 
                 <plugin>
+                    <groupId>org.apache.maven.plugins</groupId>
                     <artifactId>maven-jar-plugin</artifactId>
                     <version>3.2.2</version>
                     <configuration>
@@ -296,6 +271,7 @@
                     </executions>
                 </plugin>
                 <plugin>
+                    <groupId>org.apache.maven.plugins</groupId>
                     <artifactId>maven-assembly-plugin</artifactId>
                     <version>3.3.0</version>
                     <configuration>
@@ -312,27 +288,8 @@
                 </plugin>
                 <plugin>
                     <groupId>org.apache.maven.plugins</groupId>
-                    <artifactId>maven-javadoc-plugin</artifactId>
-                    <executions>
-                        <execution>
-                            <id>attach-javadocs</id>
-                            <goals>
-                                <goal>jar</goal>
-                            </goals>
-                        </execution>
-                    </executions>
-                </plugin>
-                <plugin>
-                    <groupId>org.apache.maven.plugins</groupId>
-                    <artifactId>maven-source-plugin</artifactId>
-                    <executions>
-                        <execution>
-                            <id>attach-sources</id>
-                            <goals>
-                                <goal>jar</goal>
-                            </goals>
-                        </execution>
-                    </executions>
+                    <artifactId>maven-surefire-plugin</artifactId>
+                    <version>3.0.0-M7</version>
                 </plugin>
             </plugins>
         </pluginManagement>
@@ -340,15 +297,32 @@
             <plugin>
                 <groupId>org.codehaus.mojo</groupId>
                 <artifactId>flatten-maven-plugin</artifactId>
-            </plugin>
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-surefire-plugin</artifactId>
-                <version>3.0.0-M7</version>
+                <version>1.2.7</version>
+                <configuration>
+                    <updatePomFile>true</updatePomFile>
+                    <flattenMode>resolveCiFriendliesOnly</flattenMode>
+                </configuration>
+                <executions>
+                    <execution>
+                        <id>flatten</id>
+                        <goals>
+                            <goal>flatten</goal>
+                        </goals>
+                        <phase>process-resources</phase>
+                    </execution>
+                    <execution>
+                        <id>flatten.clean</id>
+                        <goals>
+                            <goal>clean</goal>
+                        </goals>
+                        <phase>clean</phase>
+                    </execution>
+                </executions>
             </plugin>
             <plugin>
                 <groupId>org.codehaus.mojo</groupId>
                 <artifactId>build-helper-maven-plugin</artifactId>
+                <version>3.3.0</version>
                 <executions>
                     <execution>
                         <id>add-source</id>
@@ -368,6 +342,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-javadoc-plugin</artifactId>
+                <version>3.4.0</version>
                 <executions>
                     <execution>
                         <id>attach-javadocs</id>
@@ -380,6 +355,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-source-plugin</artifactId>
+                <version>3.2.0</version>
                 <executions>
                     <execution>
                         <id>attach-sources</id>
@@ -392,6 +368,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-gpg-plugin</artifactId>
+                <version>3.0.1</version>
                 <executions>
                     <execution>
                         <id>sign-artifacts</id>