1 files changed, 84 insertions, 0 deletions
diff --git a/src/main/java/net/tylermurphy/hideAndSeek/util/UUIDFetcher.java b/src/main/java/net/tylermurphy/hideAndSeek/util/UUIDFetcher.java
new file mode 100644
index 0000000..8a5406a
--- /dev/null
+++ b/src/main/java/net/tylermurphy/hideAndSeek/util/UUIDFetcher.java
@@ -0,0 +1,84 @@
+package net.tylermurphy.hideAndSeek.util;
+
+import net.tylermurphy.hideAndSeek.Main;
+
+import java.io.BufferedReader;
+import java.io.InputStreamReader;
+import java.net.URL;
+import java.net.URLConnection;
+import java.nio.charset.Charset;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.UUID;
+
+public final class UUIDFetcher {
+
+    private static final Map<String,UUID> CACHE = new HashMap<>();
+
+    private static final String UUID_URL = "https://api.mojang.com/users/profiles/minecraft/";
+    private static int cacheTask;
+
+    public static void init(){
+        cacheTask = Main.plugin.getServer().getScheduler().scheduleSyncRepeatingTask(Main.plugin, CACHE::clear,600*20, 600*20);
+    }
+
+    public static void cleanup(){
+        Main.plugin.getServer().getScheduler().cancelTask(cacheTask);
+    }
+
+    public static UUID getUUID(String playername) {
+
+        if(CACHE.containsKey(playername)) return CACHE.get(playername);
+
+        String output = callURL(UUID_URL + playername);
+        StringBuilder result = new StringBuilder();
+        readData(output, result);
+        String u = result.toString();
+        StringBuilder uuid = new StringBuilder();
+        for (int i = 0; i <= 31; i++) {
+            uuid.append(u.charAt(i));
+            if (i == 7 || i == 11 || i == 15 || i == 19) {
+                uuid.append('-');
+            }
+        }
+        return UUID.fromString(uuid.toString());
+    }
+
+    private static void readData(String toRead, StringBuilder result) {
+        for (int i = toRead.length() - 3; i >= 0; i--) {
+            if (toRead.charAt(i) != '"') {
+                result.insert(0, toRead.charAt(i));
+            } else {
+                break;
+            }
+        }
+    }
+
+    private static String callURL(String urlStr) {
+        StringBuilder sb = new StringBuilder();
+        URLConnection urlConn;
+        InputStreamReader in;
+        try {
+            URL url = new URL(urlStr);
+            urlConn = url.openConnection();
+            if (urlConn != null) {
+                urlConn.setReadTimeout(60 * 1000);
+            }
+            if (urlConn != null && urlConn.getInputStream() != null) {
+                in = new InputStreamReader(urlConn.getInputStream(),
+                        Charset.defaultCharset());
+                BufferedReader bufferedReader = new BufferedReader(in);
+                int cp;
+                while ((cp = bufferedReader.read()) != -1) {
+                    sb.append((char) cp);
+                }
+                bufferedReader.close();
+                in.close();
+            }
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+        return sb.toString();
+    }
+
+}