Add 'additionalForkedProjectProperties' configuration parameter

Author: gslowikowski

src/main/java/org/scoverage/plugin/SCoverageForkedLifecycleConfigurator.java

@@ -19,6 +19,7 @@
 
 import java.io.File;
 import java.util.List;
+import java.util.Map;
 
 import org.apache.maven.project.MavenProject;
 
@@ -62,8 +63,10 @@ public class SCoverageForkedLifecycleConfigurator
      * 
      * @param project Maven project in {@code scoverage} forked life cycle.
      * @param reactorProjects all reactor Maven projects.
+     * @param additionalProjectPropertiesMap additional project properties to set.
      */
-    public static void afterForkedLifecycleEnter( MavenProject project, List<MavenProject> reactorProjects )
+    public static void afterForkedLifecycleEnter( MavenProject project, List<MavenProject> reactorProjects,
+                                                  Map<String, String> additionalProjectPropertiesMap )
     {
         File classesDirectory = new File( project.getBuild().getOutputDirectory() );
         File scoverageClassesDirectory =
@@ -72,6 +75,14 @@ public static void afterForkedLifecycleEnter( MavenProject project, List<MavenPr
         project.getArtifact().setFile( null );
         project.getBuild().setOutputDirectory( scoverageClassesDirectory.getAbsolutePath() );
 
+        if ( additionalProjectPropertiesMap != null )
+        {
+            for ( Map.Entry<String, String> entry: additionalProjectPropertiesMap.entrySet() )
+            {
+                project.getProperties().put( entry.getKey(), entry.getValue() );
+            }
+        }
+
         for ( MavenProject reactorProject : reactorProjects )
         {
             if ( reactorProject != project )

src/main/java/org/scoverage/plugin/SCoveragePreCompileMojo.java

@@ -22,8 +22,10 @@
 import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.OutputStreamWriter;
+import java.util.HashMap;
 import java.util.LinkedHashSet;
 import java.util.List;
+import java.util.Map;
 import java.util.Properties;
 import java.util.Set;
 
@@ -141,6 +143,20 @@ public class SCoveragePreCompileMojo
     @Parameter( property = "scoverage.scalacPluginVersion", defaultValue = "" )
     private String scalacPluginVersion;
 
+    /**
+     * Semicolon-separated list of project properties set in forked {@code scoverage} life cycle.
+     * <br>
+     * <br>
+     * Example:
+     * <br>
+     * {@code prop1=val1;prop2=val2;prop3=val3}
+     * <br>
+     *
+     * @since 1.4.0
+     */
+    @Parameter( property = "scoverage.additionalForkedProjectProperties", defaultValue = "" )
+    private String additionalForkedProjectProperties;
+
     /**
      * Maven project to interact with.
      */
@@ -245,7 +261,30 @@ else if ( "2.12".equals( resolvedScalaVersion ) || resolvedScalaVersion.startsWi
             return;
         }
 
-        SCoverageForkedLifecycleConfigurator.afterForkedLifecycleEnter( project, reactorProjects );
+        Map<String, String> additionalProjectPropertiesMap = null;
+        if ( additionalForkedProjectProperties != null && !additionalForkedProjectProperties.isEmpty() )
+        {
+            String[] props = additionalForkedProjectProperties.split( ";" );
+            additionalProjectPropertiesMap = new HashMap<String, String>( props.length );
+            for ( String propVal: props )
+            {
+                String[] tmp = propVal.split( "=", 2 );
+                if ( tmp.length == 2 )
+                {
+                    String propName = tmp[ 0 ].trim();
+                    String propValue = tmp[ 1 ].trim();
+                    additionalProjectPropertiesMap.put( propName, propValue );
+                }
+                else
+                {
+                    getLog().warn( String.format( "Skipping invalid additional forked project property \"%s\", must be in \"key=value\" format",
+                            propVal ) );
+
+                }
+            }
+        }
+
+        SCoverageForkedLifecycleConfigurator.afterForkedLifecycleEnter( project, reactorProjects, additionalProjectPropertiesMap );
 
         try
         {