[build] update to 1.8 (drop support for Java 7)

Author: kares

Mavenfile

@@ -7,7 +7,7 @@ distribution_management do
   repository :id => :ossrh, :url => 'https://oss.sonatype.org/service/local/staging/deploy/maven2/'
 end
 
-java_target = '1.7'
+java_target = '1.8'
 gen_sources = '${basedir}/target/generated-sources' # hard-coded in AnnotationBinder
 
 plugin( 'org.codehaus.mojo:exec-maven-plugin', '1.3.2' ) do
@@ -46,7 +46,7 @@ plugin( 'org.codehaus.mojo:build-helper-maven-plugin', '1.9' ) do
 end
 
 plugin( :compiler, '3.1',
-        :source => '1.7', :target => java_target,
+        :source => '1.8', :target => java_target,
         :encoding => 'UTF-8', :debug => true,
         :showWarnings => true, :showDeprecation => true,
         :excludes => [ 'module-info.java' ],

pom.xml

@@ -209,7 +209,7 @@ DO NOT MODIFIY - GENERATED CODE
               <executable>java</executable>
               <classpathScope>compile</classpathScope>
               <arguments>
-                <argument>-Djruby.bytecode.version=1.7</argument>
+                <argument>-Djruby.bytecode.version=1.8</argument>
                 <argument>-classpath</argument>
                 <classpath />
                 <argument>org.jruby.anno.InvokerGenerator</argument>
@@ -261,8 +261,8 @@ DO NOT MODIFIY - GENERATED CODE
           </execution>
         </executions>
         <configuration>
-          <source>1.7</source>
-          <target>1.7</target>
+          <source>1.8</source>
+          <target>1.8</target>
           <encoding>UTF-8</encoding>
           <debug>true</debug>
           <showWarnings>true</showWarnings>
@@ -368,7 +368,7 @@ DO NOT MODIFIY - GENERATED CODE
             <version>3.8.1</version>
             <configuration>
               <source>9</source>
-              <target>1.7</target>
+              <target>1.8</target>
               <release>9</release>
               <includes>
                 <include>module-info.java</include>