Use xml / javaconfig folders for samples

Fixes gh-3752

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

@@ -0,0 +1,47 @@
+/*
+ * Copyright 2002-2016 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+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);
+	}
+
+}