From c841e72dcbc2c4df7059527a418e51f5663c0504 Mon Sep 17 00:00:00 2001
From: Sebastian Sdorra <sebastian.sdorra@cloudogu.com>
Date: Thu, 12 Apr 2018 11:34:00 +0200
Subject: [PATCH] #972 encforce jdk 7 bytecode for dependencies

---
 pom.xml | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/pom.xml b/pom.xml
index 3f4cfda18a..fa324ac12e 100644
--- a/pom.xml
+++ b/pom.xml
@@ -159,6 +159,36 @@
         </executions>
       </plugin>
 
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-enforcer-plugin</artifactId>
+        <version>3.0.0-M1</version>
+        <executions>
+          <execution>
+            <id>enforce-java</id>
+            <phase>compile</phase>
+            <goals>
+              <goal>enforce</goal>
+            </goals>
+            <configuration>
+              <rules>
+                <enforceBytecodeVersion>
+                  <maxJdkVersion>1.7</maxJdkVersion>
+                </enforceBytecodeVersion>
+              </rules>
+              <fail>true</fail>
+            </configuration>
+          </execution>
+        </executions>
+        <dependencies>
+          <dependency>
+            <groupId>org.codehaus.mojo</groupId>
+            <artifactId>extra-enforcer-rules</artifactId>
+            <version>1.0-beta-7</version>
+          </dependency>
+        </dependencies>
+      </plugin>
+
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-compiler-plugin</artifactId>