Merge pull request #692 from nhajratw/min-maven-version

enforce a minimum build environment of JDK 1.7 and maven 3.1.1

Author: aslakhellesoy

pom.xml

@@ -14,12 +14,13 @@
     </parent>
 
     <prerequisites>
-        <maven>3.0.4</maven>
+      <maven>${minimum.maven.version}</maven>
     </prerequisites>
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
+        <minimum.maven.version>3.1.1</minimum.maven.version>
         <outputDirectory>${project.build.directory}</outputDirectory>
         <gherkin.version>2.12.2</gherkin.version>
         <groovy.version>2.1.7</groovy.version>
@@ -783,6 +784,39 @@
             </plugins>
         </pluginManagement>
 
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-enforcer-plugin</artifactId>
+                <executions>
+                    <execution>
+                        <id>enforce</id>
+                        <configuration>
+                            <rules>
+                                <requireJavaVersion>
+                                    <version>1.7.0-9</version>
+                                </requireJavaVersion>
+                                <requireMavenVersion>
+                                  <version>[${minimum.maven.version},)</version>
+                                </requireMavenVersion>
+                                <requirePluginVersions>
+                                    <message>Best Practice is to always define plugin versions!</message>
+                                    <banLatest>true</banLatest>
+                                    <banRelease>true</banRelease>
+                                    <banSnapshots>true</banSnapshots>
+                                    <phases>clean,deploy,site</phases>
+                                    <unCheckedPluginList>org.codehaus.mojo:cobertura-maven-plugin</unCheckedPluginList>
+                                </requirePluginVersions>
+                            </rules>
+                        </configuration>
+                        <goals>
+                            <goal>enforce</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
+        </plugins>
+
         <extensions>
             <extension>
                 <groupId>org.apache.maven.wagon</groupId>