Adding CurrencyConverter

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@778816 13f79535-47bb-0310-9956-ffa450edef68

5 files changed, 153 insertions, 50 deletions

diff --git a/sandbox/rfeng/scatours-creditcard-payment-dosgi-contribution/src/main/java/payment/creditcard/impl/CreditCardPaymentImpl.java b/sandbox/rfeng/scatours-creditcard-payment-dosgi-contribution/src/main/java/payment/creditcard/impl/CreditCardPaymentImpl.java
deleted file mode 100644
index 1ddf5be7d6..0000000000
--- a/sandbox/rfeng/scatours-creditcard-payment-dosgi-contribution/src/main/java/payment/creditcard/impl/CreditCardPaymentImpl.java
+++ /dev/null
@@ -1,47 +0,0 @@
-/*

- * 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 payment.creditcard.impl;

-

-import org.oasisopen.sca.annotation.Service;

-

-import payment.creditcard.CreditCardDetailsType;

-import payment.creditcard.CreditCardPayment;

-

-/**

- *

- */

-@Service(CreditCardPayment.class)

-public class CreditCardPaymentImpl implements CreditCardPayment {

-

-    public String authorize(CreditCardDetailsType creditCard, float amount) {

-        if (creditCard != null){

-            System.out.println("Checking card: name = " +

-                               creditCard.getCardOwner().getName() +

-                               " number = " +

-                               creditCard.getCreditCardNumber() +

-                               " for amount " +

-                               amount);

-        } else {

-            System.out.println("Checking card is null");

-        }

-

-        return "OK";

-    }

-}

diff --git a/sandbox/rfeng/scatours-creditcard-payment-dosgi-contribution/src/main/java/scatours/currency/CurrencyConverter.java b/sandbox/rfeng/scatours-creditcard-payment-dosgi-contribution/src/main/java/scatours/currency/CurrencyConverter.java
new file mode 100644
index 0000000000..49e1f6a119
--- /dev/null
+++ b/sandbox/rfeng/scatours-creditcard-payment-dosgi-contribution/src/main/java/scatours/currency/CurrencyConverter.java
@@ -0,0 +1,33 @@
+/*

+ * 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.currency;

+

+import org.oasisopen.sca.annotation.Remotable;

+

+/**

+ * The CurrencyConverter service interface

+ */

+@Remotable

+public interface CurrencyConverter {

+

+    float getExchangeRate(String fromCurrencyCode, String toCurrencyCode);

+

+    float convert(String fromCurrencyCode, String toCurrencyCode, float amount);

+

+}

diff --git a/sandbox/rfeng/scatours-creditcard-payment-dosgi-contribution/src/main/java/scatours/currency/impl/CurrencyConverterImpl.java b/sandbox/rfeng/scatours-creditcard-payment-dosgi-contribution/src/main/java/scatours/currency/impl/CurrencyConverterImpl.java
new file mode 100644
index 0000000000..52d7c60c31
--- /dev/null
+++ b/sandbox/rfeng/scatours-creditcard-payment-dosgi-contribution/src/main/java/scatours/currency/impl/CurrencyConverterImpl.java
@@ -0,0 +1,53 @@
+/*

+ * 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.currency.impl;

+

+import java.util.HashMap;

+import java.util.Map;

+

+import org.oasisopen.sca.annotation.Service;

+

+import scatours.currency.CurrencyConverter;

+

+/**

+ * An implementation of the CurrencyConverter service

+ */

+@Service(CurrencyConverter.class)

+public class CurrencyConverterImpl implements CurrencyConverter {

+

+    // currency index

+    private Map<String, Integer> currencyIndex = new HashMap<String, Integer>();

+

+    // exchange rates

+    private final float rates[][] = { {1.00f, 0.50f, 0.66f}, {2.00f, 1.00f, 1.33f}, {1.50f, 0.75f, 1.00f}};

+

+    public CurrencyConverterImpl() {

+        currencyIndex.put("USD", new Integer(0));

+        currencyIndex.put("GBP", new Integer(1));

+        currencyIndex.put("EUR", new Integer(2));

+    }

+

+    public float getExchangeRate(String fromCurrencyCode, String toCurrencyCode) {

+        return rates[currencyIndex.get(fromCurrencyCode).intValue()][currencyIndex.get(toCurrencyCode).intValue()];

+    }

+

+    public float convert(String fromCurrencyCode, String toCurrencyCode, float amount) {

+        return amount * getExchangeRate(fromCurrencyCode, toCurrencyCode);

+    }

+}

diff --git a/sandbox/rfeng/scatours-creditcard-payment-dosgi-contribution/src/main/java/payment/creditcard/impl/CreditCardPaymentActivator.java b/sandbox/rfeng/scatours-creditcard-payment-dosgi-contribution/src/main/java/scatours/payment/creditcard/impl/CreditCardPaymentActivator.java
index 43a7c3519b..ba09b15de4 100644
--- a/sandbox/rfeng/scatours-creditcard-payment-dosgi-contribution/src/main/java/payment/creditcard/impl/CreditCardPaymentActivator.java
+++ b/sandbox/rfeng/scatours-creditcard-payment-dosgi-contribution/src/main/java/scatours/payment/creditcard/impl/CreditCardPaymentActivator.java
@@ -17,12 +17,12 @@
  * under the License.

  */

 

-package payment.creditcard.impl;

+package scatours.payment.creditcard.impl;

 

 import org.osgi.framework.BundleActivator;

 import org.osgi.framework.BundleContext;

 

-import payment.creditcard.CreditCardPayment;

+import scatours.payment.creditcard.CreditCardPayment;

 

 /**

  *

@@ -31,7 +31,7 @@ public class CreditCardPaymentActivator implements BundleActivator {
 

     public void start(BundleContext context) throws Exception {

         System.out.println("Registering CreditCardPayment service...");

-        context.registerService(CreditCardPayment.class.getName(), new CreditCardPaymentImpl(), null);

+        context.registerService(CreditCardPayment.class.getName(), new CreditCardPaymentImpl(context), null);

     }

 

     public void stop(BundleContext context) throws Exception {

diff --git a/sandbox/rfeng/scatours-creditcard-payment-dosgi-contribution/src/main/java/scatours/payment/creditcard/impl/CreditCardPaymentImpl.java b/sandbox/rfeng/scatours-creditcard-payment-dosgi-contribution/src/main/java/scatours/payment/creditcard/impl/CreditCardPaymentImpl.java
new file mode 100644
index 0000000000..657ef71c8b
--- /dev/null
+++ b/sandbox/rfeng/scatours-creditcard-payment-dosgi-contribution/src/main/java/scatours/payment/creditcard/impl/CreditCardPaymentImpl.java
@@ -0,0 +1,64 @@
+/*

+ * 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.payment.creditcard.impl;

+

+import org.osgi.framework.BundleContext;

+import org.osgi.framework.ServiceReference;

+

+import scatours.currency.CurrencyConverter;

+import scatours.payment.creditcard.CreditCardDetailsType;

+import scatours.payment.creditcard.CreditCardPayment;

+

+public class CreditCardPaymentImpl implements CreditCardPayment {

+    private BundleContext context;

+

+    public CreditCardPaymentImpl(BundleContext context) {

+        super();

+        this.context = context;

+    }

+

+    public String authorize(CreditCardDetailsType creditCard, float amount) {

+        if (creditCard != null) {

+            System.out.println("Checking card: name = " + creditCard.getCardOwner().getName()

+                + " number = "

+                + creditCard.getCreditCardNumber()

+                + " for amount "

+                + amount + " EUR");

+            amount = convertCurrency(amount);

+        } else {

+            System.out.println("Credit card is null");

+        }

+

+        return "OK";

+    }

+

+    private float convertCurrency(float amount) {

+        ServiceReference ref = context.getServiceReference(CurrencyConverter.class.getName());

+        if (ref != null) {

+            CurrencyConverter converter = (CurrencyConverter)context.getService(ref);

+            if (converter != null) {

+                amount = converter.convert("EUR", "USD", amount);

+                context.ungetService(ref);

+                return amount;

+            }

+        }

+        throw new IllegalArgumentException("Currency cannot be converted");

+    }

+}