Add some exception handling to the customer registry

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@757191 13f79535-47bb-0310-9956-ffa450edef68

sandbox/travelsample/shared-contributions/payment-java-contribution/src/main/java/payment/PaymentImpl.java

@@ -27,6 +27,7 @@ import org.osoa.sca.annotations.Service;
 import payment.creditcard.CreditCardDetailsType;
 import payment.creditcard.CreditCardPayment;
 import scatours.customer.Customer;
+import scatours.customer.CustomerNotFoundException;
 import scatours.customer.CustomerRegistry;
 import scatours.emailgateway.EmailGateway;
 
@@ -50,7 +51,15 @@ public class PaymentImpl implements Payment {
     protected float transactionFeeRate = 0.01f;
 
     public String makePaymentMember(String customerId, float amount) {
-        Customer customer = customerRegistry.getCustomer(customerId);
+        Customer customer = null;
+        
+        try {
+            customer = customerRegistry.getCustomer(customerId);
+        } catch (CustomerNotFoundException ex) {
+            return "Payment failed due to " + ex.getMessage();
+        } catch (Throwable t) {   
+            return "Payment failed due to system error " + t.getMessage();
+        }
 
         CreditCardDetailsType ccDetails = customer.getCreditCard();
 

sandbox/travelsample/shared-contributions/payment-java-contribution/src/main/java/scatours/customer/CustomerNotFoundException.java

@@ -0,0 +1,58 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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 scatours.customer;
+
+
+public class CustomerNotFoundException extends Exception {
+    private static final long serialVersionUID = -129752837478357452L;
+
+    /**
+     * 
+     */
+    public CustomerNotFoundException() {
+
+    }
+
+    /**
+     * @param message
+     */
+    public CustomerNotFoundException(String message) {
+        super(message);
+
+    }
+
+    /**
+     * @param cause
+     */
+    public CustomerNotFoundException(Throwable cause) {
+        super(cause);
+
+    }
+
+    /**
+     * @param message
+     * @param cause
+     */
+    public CustomerNotFoundException(String message, Throwable cause) {
+        super(message, cause);
+
+    }
+
+}

sandbox/travelsample/shared-contributions/payment-java-contribution/src/main/java/scatours/customer/CustomerRegistry.java

@@ -31,7 +31,7 @@ public interface CustomerRegistry {
 
     boolean updateCustomer(Customer customer);
 
-    Customer getCustomer(String id);
+    Customer getCustomer(String id) throws CustomerNotFoundException;
 
     Collection<Customer> getAllCustomers();
 

sandbox/travelsample/shared-contributions/payment-java-contribution/src/main/java/scatours/customer/CustomerRegistryImpl.java

@@ -85,15 +85,24 @@ public class CustomerRegistryImpl implements CustomerRegistry {
         return customers.values();
     }
 
-    public Customer getCustomer(String id) {
-        return customers.get(id);
+    public Customer getCustomer(String id) throws CustomerNotFoundException {
+        Customer customer = customers.get(id);
+        
+        if (customer == null){
+            throw new CustomerNotFoundException("Customer " + id + " not found");
+        }
+        
+        return customer;
     }
 
     public boolean updateCustomer(Customer customer) {
-        Customer current = getCustomer(customer.getId());
-        if (current == null) {
+        Customer current = null;
+        try {
+            current = getCustomer(customer.getId());
+        } catch (Exception ex) {
             return false;
         }
+
         current.setEmail(customer.getEmail());
         current.setName(customer.getName());
         current.setCreditCard(customer.getCreditCard());

sandbox/travelsample/shared-contributions/payment-java-contribution/src/test/java/payment/PaymentTestCase.java

@@ -47,6 +47,7 @@ public class PaymentTestCase {
         SCAClient client = (SCAClient) node;
         Payment payment = client.getService(Payment.class, "PaymentComponent");
         System.out.println(payment.makePaymentMember("c-0", 100.00f));
+        System.out.println(payment.makePaymentMember("c-1", 100.00f));
     }
     
     @Test