From 6795b0f508343dbc64dba384b85af2f1f3684b7a Mon Sep 17 00:00:00 2001
From: Olivier Lamy <olamy@apache.org>
Date: Mon, 7 Mar 2022 10:57:34 +1000
Subject: [PATCH] [MCOMPILER-426] add flag to enable-preview java compiler
 feature (#98)

* [MCOMPILER-426] add flag to enable-preview java compiler feature
* use plexus-compiler 2.11.1 version

Signed-off-by: Olivier Lamy <olamy@apache.org>
---
 pom.xml                                                |  2 +-
 .../maven/plugin/compiler/AbstractCompilerMojo.java    | 10 ++++++++++
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/pom.xml b/pom.xml
index b21709d0..442fbd69 100644
--- a/pom.xml
+++ b/pom.xml
@@ -68,7 +68,7 @@ under the License.
       ! The following property is used in the integration tests MCOMPILER-157
     -->
     <mavenPluginPluginVersion>3.5</mavenPluginPluginVersion>
-    <plexusCompilerVersion>2.11.0</plexusCompilerVersion>
+    <plexusCompilerVersion>2.11.1</plexusCompilerVersion>
 
     <groovyVersion>2.4.21</groovyVersion>
     <groovyEclipseCompilerVersion>3.7.0</groovyEclipseCompilerVersion>
diff --git a/src/main/java/org/apache/maven/plugin/compiler/AbstractCompilerMojo.java b/src/main/java/org/apache/maven/plugin/compiler/AbstractCompilerMojo.java
index 915d39f5..e0ec1dbe 100644
--- a/src/main/java/org/apache/maven/plugin/compiler/AbstractCompilerMojo.java
+++ b/src/main/java/org/apache/maven/plugin/compiler/AbstractCompilerMojo.java
@@ -140,6 +140,14 @@ public abstract class AbstractCompilerMojo
     @Parameter( property = "maven.compiler.parameters", defaultValue = "false" )
     private boolean parameters;
 
+
+    /**
+     * Set to <code>true</code> to Enable preview language features of the java compiler
+     * @since 3.10.1
+     */
+    @Parameter( property = "maven.compiler.enablePreview", defaultValue = "false" )
+    private boolean enablePreview;
+
     /**
      * Set to <code>true</code> to show messages about what the compiler is doing.
      */
@@ -695,6 +703,8 @@ public void execute()
 
         compilerConfiguration.setParameters( parameters );
 
+        compilerConfiguration.setEnablePreview( enablePreview );
+
         compilerConfiguration.setVerbose( verbose );
 
         compilerConfiguration.setShowWarnings( showWarnings );