refactoring lambdas to method reference

Author: tulinkry

opengrok-indexer/src/main/java/org/opengrok/indexer/analysis/AnalyzerFramework.java

@@ -90,51 +90,51 @@ public class AnalyzerFramework extends PluginFramework<IAnalyzerPlugin, Analyzer
 
     private static final IAnalyzerPlugin[] DEFAULT_PLUGINS = {
             () -> DEFAULT_ANALYZER_FACTORY,
-            () -> new IgnorantAnalyzerFactory(),
-            () -> new BZip2AnalyzerFactory(),
-            () -> new XMLAnalyzerFactory(),
+            IgnorantAnalyzerFactory::new,
+            BZip2AnalyzerFactory::new,
+            XMLAnalyzerFactory::new,
             () -> MandocAnalyzerFactory.DEFAULT_INSTANCE,
             () -> TroffAnalyzerFactory.DEFAULT_INSTANCE,
-            () -> new ELFAnalyzerFactory(),
+            ELFAnalyzerFactory::new,
             () -> JavaClassAnalyzerFactory.DEFAULT_INSTANCE,
-            () -> new ImageAnalyzerFactory(),
+            ImageAnalyzerFactory::new,
             () -> JarAnalyzerFactory.DEFAULT_INSTANCE,
             () -> ZipAnalyzerFactory.DEFAULT_INSTANCE,
-            () -> new TarAnalyzerFactory(),
-            () -> new CAnalyzerFactory(),
-            () -> new CSharpAnalyzerFactory(),
-            () -> new VBAnalyzerFactory(),
-            () -> new CxxAnalyzerFactory(),
-            () -> new ErlangAnalyzerFactory(),
-            () -> new ShAnalyzerFactory(),
-            () -> new PowershellAnalyzerFactory(),
+            TarAnalyzerFactory::new,
+            CAnalyzerFactory::new,
+            CSharpAnalyzerFactory::new,
+            VBAnalyzerFactory::new,
+            CxxAnalyzerFactory::new,
+            ErlangAnalyzerFactory::new,
+            ShAnalyzerFactory::new,
+            PowershellAnalyzerFactory::new,
             () -> PlainAnalyzerFactory.DEFAULT_INSTANCE,
-            () -> new UuencodeAnalyzerFactory(),
-            () -> new GZIPAnalyzerFactory(),
-            () -> new JavaAnalyzerFactory(),
-            () -> new JavaScriptAnalyzerFactory(),
-            () -> new KotlinAnalyzerFactory(),
-            () -> new SwiftAnalyzerFactory(),
-            () -> new JsonAnalyzerFactory(),
-            () -> new PythonAnalyzerFactory(),
-            () -> new RustAnalyzerFactory(),
-            () -> new PerlAnalyzerFactory(),
-            () -> new PhpAnalyzerFactory(),
-            () -> new LispAnalyzerFactory(),
-            () -> new TclAnalyzerFactory(),
-            () -> new ScalaAnalyzerFactory(),
-            () -> new ClojureAnalyzerFactory(),
-            () -> new SQLAnalyzerFactory(),
-            () -> new PLSQLAnalyzerFactory(),
-            () -> new FortranAnalyzerFactory(),
-            () -> new HaskellAnalyzerFactory(),
-            () -> new GolangAnalyzerFactory(),
-            () -> new LuaAnalyzerFactory(),
-            () -> new PascalAnalyzerFactory(),
-            () -> new AdaAnalyzerFactory(),
-            () -> new RubyAnalyzerFactory(),
-            () -> new EiffelAnalyzerFactory(),
-            () -> new VerilogAnalyzerFactory()
+            UuencodeAnalyzerFactory::new,
+            GZIPAnalyzerFactory::new,
+            JavaAnalyzerFactory::new,
+            JavaScriptAnalyzerFactory::new,
+            KotlinAnalyzerFactory::new,
+            SwiftAnalyzerFactory::new,
+            JsonAnalyzerFactory::new,
+            PythonAnalyzerFactory::new,
+            RustAnalyzerFactory::new,
+            PerlAnalyzerFactory::new,
+            PhpAnalyzerFactory::new,
+            LispAnalyzerFactory::new,
+            TclAnalyzerFactory::new,
+            ScalaAnalyzerFactory::new,
+            ClojureAnalyzerFactory::new,
+            SQLAnalyzerFactory::new,
+            PLSQLAnalyzerFactory::new,
+            FortranAnalyzerFactory::new,
+            HaskellAnalyzerFactory::new,
+            GolangAnalyzerFactory::new,
+            LuaAnalyzerFactory::new,
+            PascalAnalyzerFactory::new,
+            AdaAnalyzerFactory::new,
+            RubyAnalyzerFactory::new,
+            EiffelAnalyzerFactory::new,
+            VerilogAnalyzerFactory::new
     };
 
     /**
@@ -372,7 +372,7 @@ public void returnAnalyzers() {
     }
 
     /**
-     * Decode about two factory instances if they are different.
+     * Decide if two factory instances are different.
      *
      * @param a the first instance
      * @param b the second instance