Added accountName in BalanceUpateEvent and EconomyResponse for get the account, and add isPlayer in BalanceUpdateEvent to check if accountName is a player account

src/main/java/net/milkbowl/vault/economy/EconomyResponse.java

@@ -63,6 +63,11 @@ public class EconomyResponse {
      * Error message if the variable 'type' is ResponseType.FAILURE
      */
     public final String errorMessage;
+    
+    /**
+     * Name of account
+     */
+    public final String accountName;
 
     /**
      * Constructor for EconomyResponse
@@ -71,7 +76,8 @@ public class EconomyResponse {
      * @param type Success or failure type of the operation
      * @param errorMessage Error message if necessary (commonly null)
      */
-    public EconomyResponse(double amount, double balance, ResponseType type, String errorMessage) {
+    public EconomyResponse(String accountName, double amount, double balance, ResponseType type, String errorMessage) {
+        this.accountName = accountName;
         this.amount = amount;
         this.balance = balance;
         this.type = type;

src/main/java/net/milkbowl/vault/events/BalanceUpdateEvent.java

@@ -1,5 +1,6 @@
 package net.milkbowl.vault.events;
 
+import org.bukkit.Bukkit;
 import org.bukkit.event.Event;
 import org.bukkit.event.HandlerList;
 
@@ -11,11 +12,13 @@ public class BalanceUpdateEvent extends Event {
     
     private double previousBalance; //The balance before update
     private EconomyResponse response;
+    private String accountName;
     
     public BalanceUpdateEvent(EconomyResponse response) {
         
-        this.previousBalance = response.balance + response.amount;
         this.response  = response;
+        this.previousBalance = response.balance + response.amount;
+        this.accountName = response.accountName;
         
     }
        
@@ -35,5 +38,13 @@ public class BalanceUpdateEvent extends Event {
     public EconomyResponse getEconomyResponse() {  
         return response;    
     }
+    
+    public String getAccountName() {  
+        return accountName;
+    }
+    
+    public boolean isPlayer(String player) {
+        return Bukkit.getOfflinePlayer(player).isOnline();
+    }
 
 }