SEC-2194: Add Java Config samples

samples/tutorial-xml/src/main/java/bigbank/BankDaoStub.java

@@ -0,0 +1,32 @@
+package bigbank;
+
+import java.util.HashMap;
+import java.util.Map;
+
+public class BankDaoStub implements BankDao {
+    private long id = 0;
+    private final Map<Long, Account> accounts = new HashMap<Long, Account>();
+
+    public void createOrUpdateAccount(Account account) {
+        if (account.getId() == -1) {
+            id++;
+            account.setId(id);
+        }
+        accounts.put(new Long(account.getId()), account);
+        System.out.println("SAVE: " + account);
+    }
+
+    public Account[] findAccounts() {
+        Account[] accounts = this.accounts.values().toArray(new Account[] {});
+        System.out.println("Returning " + accounts.length + " account(s):");
+        for (Account account : accounts) {
+            System.out.println(" > " + account);
+        }
+        return accounts;
+    }
+
+    public Account readAccount(Long id) {
+        return accounts.get(id);
+    }
+
+}