Add method to get all replies for a post.

diff --git a/src/main/java/net/pterodactylus/sone/core/Core.java b/src/main/java/net/pterodactylus/sone/core/Core.java
index 459431c..a0f0a59 100644 (file)
--- a/src/main/java/net/pterodactylus/sone/core/Core.java
+++ b/src/main/java/net/pterodactylus/sone/core/Core.java
@@ -18,9 +18,12 @@
 package net.pterodactylus.sone.core;
 
 import java.net.MalformedURLException;
+import java.util.ArrayList;
 import java.util.Collections;
+import java.util.Comparator;
 import java.util.HashMap;
 import java.util.HashSet;
+import java.util.List;
 import java.util.Map;
 import java.util.Set;
 import java.util.UUID;
@@ -297,6 +300,33 @@ public class Core extends AbstractService {
                return replyCache.get(replyId);
        }
 
+       /**
+        * Gets all replies to the given post, sorted by date, oldest first.
+        *
+        * @param post
+        *            The post the replies refer to
+        * @return The sorted list of replies for the post
+        */
+       public List<Reply> getReplies(Post post) {
+               List<Reply> replies = new ArrayList<Reply>();
+               for (Reply reply : replyCache.values()) {
+                       if (reply.getPost().equals(post)) {
+                               replies.add(reply);
+                       }
+               }
+               Collections.sort(replies, new Comparator<Reply>() {
+
+                       /**
+                        * {@inheritDoc}
+                        */
+                       @Override
+                       public int compare(Reply leftReply, Reply rightReply) {
+                               return (int) Math.max(Integer.MIN_VALUE, Math.min(Integer.MAX_VALUE, leftReply.getTime() - rightReply.getTime()));
+                       }
+               });
+               return replies;
+       }
+
        //
        // SERVICE METHODS
        //