fix JavaDSLPrettyPrinter

Author: jra-se

javaDSL/src/main/java/de/monticore/java/javadsl/_prettyprint/JavaDSLPrettyPrinter.java

@@ -1,16 +1,32 @@
 package de.monticore.java.javadsl._prettyprint;
 
+import de.monticore.java.javadsl._ast.ASTOrdinaryCompilationUnit;
 import de.monticore.prettyprint.IndentPrinter;
-import de.monticore.statements.mccommonstatements._ast.ASTJavaModifier;
-
-import java.util.stream.Collectors;
 
 public class JavaDSLPrettyPrinter extends JavaDSLPrettyPrinterTOP {
 
   public JavaDSLPrettyPrinter(IndentPrinter printer, boolean printComments) {
     super(printer, printComments);
   }
 
+  @Override
+  public void handle(ASTOrdinaryCompilationUnit node) {
+    if (this.isPrintComments()) {
+      de.monticore.prettyprint.CommentPrettyPrinter.printPreComments(node, getPrinter());
+    }
+    if (node.isPresentPackageDeclaration()) {
+      node.getPackageDeclaration().accept(getTraverser());
+    }
+    
+    node.getImportDeclarationList().forEach(n->n.accept(getTraverser()));
+    
+    node.getTypeDeclarationList().forEach(n->n.accept(getTraverser()));
+
+    if (this.isPrintComments()) {
+      de.monticore.prettyprint.CommentPrettyPrinter.printPostComments(node, getPrinter());
+    }
+  }
+  
   @Override
   public void handle(de.monticore.java.javadsl._ast.ASTClassDeclaration node) {
     if (this.isPrintComments()) {