Added the ability to enable MongoDB features.

README.md

@@ -74,6 +74,12 @@ Usage
 
                 <skip>false</skip>
                 <!-- optional, skips this plugin entirely, use on the command line like -Dembedmongo.skip -->
+                
+                <features>
+                    <feature>sync_delay</feature>
+                    <feature>text_search</feature>
+                </features>
+                <!-- optional, a list of MongoDB features to enable, default is none -->
             </configuration>
         </execution>
         <execution>

src/main/java/com/syncleus/maven/plugins/mongodb/StartMongoMojo.java

@@ -23,6 +23,7 @@ import de.flapdoodle.embed.mongo.MongodExecutable;
 import de.flapdoodle.embed.mongo.MongodProcess;
 import de.flapdoodle.embed.mongo.MongodStarter;
 import de.flapdoodle.embed.mongo.config.*;
+import de.flapdoodle.embed.mongo.distribution.Feature;
 import de.flapdoodle.embed.mongo.distribution.IFeatureAwareVersion;
 import de.flapdoodle.embed.mongo.distribution.Version;
 import de.flapdoodle.embed.mongo.distribution.Versions;
@@ -50,6 +51,7 @@ import org.apache.maven.project.MavenProject;
 import java.io.File;
 import java.io.IOException;
 import java.net.*;
+import java.util.HashSet;
 import java.util.List;
 import java.util.concurrent.TimeUnit;
 
@@ -231,6 +233,14 @@ public class StartMongoMojo extends AbstractMojo {
     @Parameter(property = "project", readonly = true)
     private MavenProject project;
 
+    /**
+     * A list of the MongoDB features enabled.
+     *
+     * @since 1.0.0
+     */
+    @Parameter
+    private String[] features;
+
     /**
      * If true the plugin does nothing at all, allows you to skip from the command line.
      *
@@ -391,8 +401,18 @@ public class StartMongoMojo extends AbstractMojo {
     }
 
     private IFeatureAwareVersion getVersion() {
-        if(this.version == null || this.version.equals(""))
-            return Version.Main.PRODUCTION;
+
+        final HashSet<Feature> featuresSet = new HashSet<Feature>();
+        if(this.features != null && this.features.length > 0) {
+            for(final String featureString : this.features)
+                featuresSet.add(Feature.valueOf(featureString.toUpperCase()));
+        }
+
+        if(this.version == null || this.version.equals("")) {
+            if(featuresSet.isEmpty())
+                return Version.Main.PRODUCTION;
+            this.version = Version.Main.PRODUCTION.asInDownloadPath();
+        }
 
         String versionEnumName = this.version.toUpperCase().replaceAll("\\.", "_");
 
@@ -400,18 +420,20 @@ public class StartMongoMojo extends AbstractMojo {
             versionEnumName = "V" + versionEnumName;
         }
 
+        IVersion determinedVersion;
         try {
-            return Version.valueOf(versionEnumName);
+            determinedVersion = Version.valueOf(versionEnumName);
         } catch (final IllegalArgumentException e) {
             getLog().warn("Unrecognised MongoDB version '" + this.version + "', this might be a new version that we don't yet know about. Attemping download anyway...");
-            return Versions.withFeatures(new IVersion() {
+            determinedVersion = new IVersion() {
                 @Override
                 public String asInDownloadPath() {
                     return version;
                 }
-            });
+            };
         }
 
+        return Versions.withFeatures(determinedVersion, (featuresSet.isEmpty() ? null : (Feature[]) featuresSet.toArray()));
     }
 
     private String getDataDirectory() {