完善 @TCommand 注解

新增 TCommandHandler 类用于动态命令注册

src/main/java/me/skymc/taboolib/string/ArrayUtils.java

@@ -1,5 +1,8 @@
 package me.skymc.taboolib.string;
 
+import com.ilummc.tlib.util.Strings;
+
+import javax.annotation.Nullable;
 import java.io.ByteArrayInputStream;
 import java.io.ByteArrayOutputStream;
 import java.io.ObjectInputStream;
@@ -65,6 +68,26 @@ public class ArrayUtils {
         return (T) objectInputStream.readObject();
     }
 
+    public static <T> T skipEmpty(T obj) {
+        return skipEmpty(obj, null);
+    }
+
+    public static <T> T[] skipEmpty(T[] obj) {
+        return skipEmpty(obj, null);
+    }
+
+    public static <T> T skipEmpty(T obj, T def) {
+        return Strings.isEmpty(String.valueOf(obj)) ? def : obj;
+    }
+
+    public static <T> T[] skipEmpty(T[] obj, T[] def) {
+        if (obj.length == 0) {
+            return def;
+        }
+        T firstElement = skipEmpty(obj[0]);
+        return firstElement == null ? def : obj;
+    }
+
     // *********************************
     //
     //           Deprecated

src/main/java/me/skymc/taboolib/string/obfuscated/CT.java

@@ -2,6 +2,7 @@ package me.skymc.taboolib.string.obfuscated;
 
 import javax.xml.bind.DatatypeConverter;
 
+@Deprecated
 public class CT {
 
     public static String decode(CodeType type, String string) {
@@ -16,34 +17,36 @@ public class CT {
                 }
                 return text.toString();
             }
+            default:
         }
         return "";
-	}
-	
-	public static String encode(CodeType type, String string) {
-		switch (type) {
-			case BASE64: {
-				return DatatypeConverter.printBase64Binary(string.getBytes());
-			}
-			case BINARY: {
-				StringBuilder binary = new StringBuilder();
-				for (byte b: string.getBytes()) {
-					int value = b;
-					for (int i = 0; i < 8; i++) {
-						binary.append((value & 128) == 0 ? 0: 1);
-						value <<= 1;
-					}
-					binary.append(" ");
-				}
-				return binary.toString();
-			}
-		}
-		return "";
-	}
+    }
+
+    public static String encode(CodeType type, String string) {
+        switch (type) {
+            case BASE64: {
+                return DatatypeConverter.printBase64Binary(string.getBytes());
+            }
+            case BINARY: {
+                StringBuilder binary = new StringBuilder();
+                for (byte b : string.getBytes()) {
+                    int value = b;
+                    for (int i = 0; i < 8; i++) {
+                        binary.append((value & 128) == 0 ? 0 : 1);
+                        value <<= 1;
+                    }
+                    binary.append(" ");
+                }
+                return binary.toString();
+            }
+            default:
+        }
+        return "";
+    }
 
     public enum CodeType {
         BASE64,
         BINARY
-	}
+    }
 
 }