1 files changed, 22 insertions, 0 deletions
diff --git a/src/main/java/utility/YouTubeAPI.java b/src/main/java/utility/YouTubeAPI.java
index c50897a..982a1d3 100644
--- a/src/main/java/utility/YouTubeAPI.java
+++ b/src/main/java/utility/YouTubeAPI.java
@@ -9,6 +9,7 @@ import java.io.*;
 import java.net.URL;
 import java.net.URLEncoder;
 import java.nio.charset.Charset;
+import java.nio.charset.StandardCharsets;
 
 public class YouTubeAPI {
     private String ytapiKey = "";
@@ -43,4 +44,25 @@ public class YouTubeAPI {
         }
     }
 
+    public String[] getPlaylistVideoURLs(String playlistID, int maxResults) throws IOException{
+        String url = "https://www.googleapis.com/youtube/v3/playlistItems?part=snippet&maxResults="+ maxResults +"&playlistId=" + playlistID + "&key=" + ytapiKey;
+        try (InputStream is = new URL(url).openStream();
+             BufferedReader br = new BufferedReader(new InputStreamReader(is, StandardCharsets.UTF_8))) {
+            StringBuilder sb = new StringBuilder();
+            int cb;
+            while ((cb = br.read()) != -1) {
+                sb.append((char) cb);
+            }
+            JSONObject jsonObject = new JSONObject(sb.toString());
+            JSONArray jsonArray = jsonObject.getJSONArray("items");
+            String[] result = new String[jsonArray.length()];
+            for(int i = 0; i < jsonArray.length(); i++){
+                result[i] = "https://www.youtube.com/watch?v=" + jsonArray.getJSONObject(i).getJSONObject("snippet").getJSONObject("resourceId").getString("videoId");
+            }
+            return result;
+        } catch (IOException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
 }