FOP-2856: Support compile on Java 12

git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/commons/trunk@1856921 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/build.xml b/build.xml
index cc6e008..e3f1166 100644
--- a/build.xml
+++ b/build.xml
@@ -30,8 +30,8 @@
   <property name="javac.debug" value="on"/>
   <property name="javac.optimize" value="off"/>
   <property name="javac.deprecation" value="on"/>
-  <property name="javac.source" value="1.6"/>
-  <property name="javac.target" value="1.6"/>
+  <property name="javac.source" value="1.7"/>
+  <property name="javac.target" value="1.7"/>
   <property name="javac.fork" value="no"/>
 
   <property name="junit.fork" value="on"/>
diff --git a/pom.xml b/pom.xml
index 39c01c2..dc7e16e 100644
--- a/pom.xml
+++ b/pom.xml
@@ -13,7 +13,7 @@
     <checkstyle.version>2.15</checkstyle.version>
     <exec.version>1.4.0</exec.version>
     <findbugs.version>3.0.4</findbugs.version>
-    <java.version>1.6</java.version>
+    <java.version>1.7</java.version>
     <junit.version>4.11</junit.version>
     <project.info.reports.version>2.8</project.info.reports.version>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>