Tuscany store scenario running on appengine - Dojo based UI front-end consuming a remote catalog service using JSON-RPC reference binding

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@821945 13f79535-47bb-0310-9956-ffa450edef68

5 files changed, 128 insertions, 0 deletions

diff --git a/sandbox/lresende/sca/samples/store-appengine-webapp/src/services/Catalog.java b/sandbox/lresende/sca/samples/store-appengine-webapp/src/services/Catalog.java
new file mode 100644
index 0000000000..5d217e2168
--- /dev/null
+++ b/sandbox/lresende/sca/samples/store-appengine-webapp/src/services/Catalog.java
@@ -0,0 +1,5 @@
+package services;
+
+public interface Catalog {
+	Item[] get();
+}
diff --git a/sandbox/lresende/sca/samples/store-appengine-webapp/src/services/CatalogAggregatorImpl.java b/sandbox/lresende/sca/samples/store-appengine-webapp/src/services/CatalogAggregatorImpl.java
new file mode 100644
index 0000000000..29c99bbcb5
--- /dev/null
+++ b/sandbox/lresende/sca/samples/store-appengine-webapp/src/services/CatalogAggregatorImpl.java
@@ -0,0 +1,56 @@
+/*
+ * 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 services;
+
+import org.oasisopen.sca.annotation.Property;
+import org.oasisopen.sca.annotation.Reference;
+import org.oasisopen.sca.annotation.Scope;
+import org.oasisopen.sca.annotation.Service;
+
+@Service(Catalog.class)
+@Scope("COMPOSITE")
+public class CatalogAggregatorImpl implements Catalog {
+
+    @Property
+    public String currencyCode = "USD";
+
+    @Reference
+    public CurrencyConverter currencyConverter;
+
+    @Reference
+    public Catalog fruitsCatalog;
+
+    public Item[] get() {
+        String currencySymbol = currencyConverter.getCurrencySymbol(currencyCode);
+
+        Item[] fruits = fruitsCatalog.get();
+
+        Item[] catalog = new Item[fruits.length];
+        int i =0;
+        for (Item item: fruits) {
+            double price = Double.valueOf(item.getPrice().substring(1));  
+            price = currencyConverter.getConversion("USD", currencyCode, price);
+            catalog[i++] = new Item(item.getName(), currencySymbol + price);
+        }
+
+        return catalog;
+    }
+
+}
diff --git a/sandbox/lresende/sca/samples/store-appengine-webapp/src/services/CurrencyConverter.java b/sandbox/lresende/sca/samples/store-appengine-webapp/src/services/CurrencyConverter.java
new file mode 100644
index 0000000000..36d64781da
--- /dev/null
+++ b/sandbox/lresende/sca/samples/store-appengine-webapp/src/services/CurrencyConverter.java
@@ -0,0 +1,9 @@
+package services;
+
+public interface CurrencyConverter {
+    public double getConversion(String fromCurrenycCode, 
+                                String toCurrencyCode, 
+                                double amount);
+
+    public String getCurrencySymbol(String currencyCode);
+}
diff --git a/sandbox/lresende/sca/samples/store-appengine-webapp/src/services/CurrencyConverterImpl.java b/sandbox/lresende/sca/samples/store-appengine-webapp/src/services/CurrencyConverterImpl.java
new file mode 100644
index 0000000000..7de3894e2e
--- /dev/null
+++ b/sandbox/lresende/sca/samples/store-appengine-webapp/src/services/CurrencyConverterImpl.java
@@ -0,0 +1,24 @@
+package services;
+
+import org.oasisopen.sca.annotation.Service;
+
+@Service(CurrencyConverter.class)
+public class CurrencyConverterImpl implements CurrencyConverter {
+    public double getConversion(String fromCurrencyCode, 
+                                String toCurrencyCode, 
+                                double amount) {
+        if (toCurrencyCode.equals("USD"))
+            return amount;
+        else if (toCurrencyCode.equals("EUR"))
+            return ((double)Math.round(amount * 0.7256 * 100)) /100;
+        return 0;
+    }
+
+    public String getCurrencySymbol(String currencyCode) {
+        if (currencyCode.equals("USD"))
+            return "$";
+        else if (currencyCode.equals("EUR"))
+            return "E"; //"€";
+        return "?";
+    }
+}
diff --git a/sandbox/lresende/sca/samples/store-appengine-webapp/src/services/Item.java b/sandbox/lresende/sca/samples/store-appengine-webapp/src/services/Item.java
new file mode 100644
index 0000000000..65aaa53224
--- /dev/null
+++ b/sandbox/lresende/sca/samples/store-appengine-webapp/src/services/Item.java
@@ -0,0 +1,34 @@
+package services;
+
+import java.io.Serializable;
+
+public class Item implements Serializable {
+    private static final long serialVersionUID = -5847326138627338217L;
+
+    private String name;
+    private String price;
+
+    public Item() {
+    }
+
+    public Item(String name, String price) {
+        this.name = name;
+        this.price = price;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public String getPrice() {
+        return price;
+    }
+
+    public void setPrice(String price) {
+        this.price = price;
+    }
+}