#631 - Partial Response : Add java doc

partial-response/src/main/java/com/iluwatar/partialresponse/VideoResource.java

@@ -26,15 +26,28 @@ package com.iluwatar.partialresponse;
 
 import java.util.Map;
 
+/**
+ * The resource class which serves video information.
+ * This class act as server in the demo. Which has all video details.
+ */
 public class VideoResource {
   private FieldJsonMapper fieldJsonMapper;
   private Map<Integer, Video> videos;
 
+  /**
+   * @param fieldJsonMapper map object to json.
+   * @param videos          initialize resource with existing videos. Act as database.
+   */
   public VideoResource(FieldJsonMapper fieldJsonMapper, Map<Integer, Video> videos) {
     this.fieldJsonMapper = fieldJsonMapper;
     this.videos = videos;
   }
 
+  /**
+   * @param id     video id
+   * @param fields fields to get information about
+   * @return json of specified fields of particular video by id
+   */
   public String getDetails(Integer id, String... fields) {
     if (fields.length == 0) {
       return videos.get(id).toString();