update verification

now using java types instead of Map<String, Object>

Mage.Verify/src/main/java/mage/verify/MtgJson.java

@@ -0,0 +1,57 @@
+package mage.verify;
+
+import java.io.IOException;
+import java.text.Normalizer;
+import java.util.HashMap;
+import java.util.Map;
+
+public class MtgJson {
+
+    private static class CardHolder {
+        private static final Map<String, JsonCard> cards;
+        static {
+            try {
+                cards = JsonCard.loadAll();
+                addAliases(cards);
+            } catch (IOException e) {
+                throw new RuntimeException(e);
+            }
+        }
+    }
+
+    public static JsonCard find(String name) {
+        return findReference(CardHolder.cards, name);
+    }
+
+    private static <T> T findReference(Map<String, T> reference, String name) {
+        T ref = reference.get(name);
+        if (ref == null) {
+            name = name.replaceFirst("\\bA[Ee]", "Æ");
+            ref = reference.get(name);
+        }
+        if (ref == null) {
+            name = name.replace("'", "\""); // for Kongming, "Sleeping Dragon" & Pang Tong, "Young Phoenix"
+            ref = reference.get(name);
+        }
+        return ref;
+    }
+
+    private static <T> void addAliases(Map<String, T> reference) {
+        Map<String, String> aliases = new HashMap<>();
+        for (String name : reference.keySet()) {
+            String unaccented = stripAccents(name);
+            if (!name.equals(unaccented)) {
+                aliases.put(name, unaccented);
+            }
+        }
+        for (Map.Entry<String, String> mapping : aliases.entrySet()) {
+            reference.put(mapping.getValue(), reference.get(mapping.getKey()));
+        }
+    }
+
+    private static String stripAccents(String str) {
+        String decomposed = Normalizer.normalize(str, Normalizer.Form.NFKD);
+        return decomposed.replaceAll("[\\p{InCombiningDiacriticalMarks}]", "");
+    }
+
+}