Issue 102: Add file level javadoc comment.

Signed-off-by: Rahul Krishna <i.m.ralk@gmail.com>

Author: rahlk

src/main/java/com/ibm/cldk/SymbolTable.java

@@ -136,11 +136,21 @@ private static JavaCompilationUnit processCompilationUnit(CompilationUnit parseR
 
         cUnit.setFilePath(parseResult.getStorage().map(s -> s.getPath().toString()).orElse("<in-memory>"));
 
-        com.ibm.cldk.entities.Comment comment = new com.ibm.cldk.entities.Comment();
+        // Set file level comment
+        parseResult.getAllComments().stream().findFirst().ifPresent(c -> {
+            com.ibm.cldk.entities.Comment fileComment = new com.ibm.cldk.entities.Comment();
+            fileComment.setContent(c.getContent());
+            fileComment.setStartLine(c.getRange().isPresent() ? c.getRange().get().begin.line : -1);
+            fileComment.setEndLine(c.getRange().isPresent() ? c.getRange().get().end.line : -1);
+            fileComment.setStartColumn(c.getRange().isPresent() ? c.getRange().get().begin.column : -1);
+            fileComment.setEndColumn(c.getRange().isPresent() ? c.getRange().get().end.column : -1);
+            fileComment.setJavadoc(c.isJavadocComment());
+            cUnit.getComments().add(fileComment);
+        });
 
         // Add class comment
         cUnit.setComments(
-                parseResult.getAllContainedComments().stream().map(c -> {
+                parseResult.getAllComments().stream().map(c -> {
                             com.ibm.cldk.entities.Comment fileComment = new com.ibm.cldk.entities.Comment();
                             fileComment.setContent(c.getContent());
                             fileComment.setStartLine(c.getRange().isPresent() ? c.getRange().get().begin.line : -1);
@@ -154,7 +164,6 @@ private static JavaCompilationUnit processCompilationUnit(CompilationUnit parseR
 
         // Set package name
         cUnit.setPackageName(parseResult.getPackageDeclaration().map(NodeWithName::getNameAsString).orElse(""));
-        
         // Add javadoc comment
         // Add imports
         cUnit.setImports(

src/main/java/com/ibm/cldk/entities/JavaCompilationUnit.java

@@ -1,14 +1,16 @@
 package com.ibm.cldk.entities;
 
 import lombok.Data;
+
+import java.util.ArrayList;
 import java.util.List;
 import java.util.Map;
 
 @Data
 public class JavaCompilationUnit {
     private String filePath;
     private String packageName;
-    private List<Comment> comments;
+    private List<Comment> comments = new ArrayList<>();
     private List<String> imports;
     private Map<String, Type> typeDeclarations;
     private boolean isModified;