1 files changed, 129 insertions, 0 deletions
diff --git a/sdo-java/branches/emf-2.5/sample/src/main/java/org/apache/tuscany/samples/sdo/intermediate/AccessDataObjectUsingValidXPath.java b/sdo-java/branches/emf-2.5/sample/src/main/java/org/apache/tuscany/samples/sdo/intermediate/AccessDataObjectUsingValidXPath.java
new file mode 100644
index 0000000000..56bc68340f
--- /dev/null
+++ b/sdo-java/branches/emf-2.5/sample/src/main/java/org/apache/tuscany/samples/sdo/intermediate/AccessDataObjectUsingValidXPath.java
@@ -0,0 +1,129 @@
+/**
+ *
+ *  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 org.apache.tuscany.samples.sdo.intermediate;
+
+import java.util.List;
+
+import org.apache.tuscany.samples.sdo.SampleBase;
+import org.apache.tuscany.samples.sdo.internal.SampleInfrastructure;
+
+import commonj.sdo.DataObject;
+import commonj.sdo.helper.HelperContext;
+
+/**
+ * Demonstrates accessing a created DataObject's properties using the SDO XPath like syntax.
+ * <p>
+ * <h3>Running this Sample</h3> See <A HREF="../../../../../../index.html" 
+ * target="_top">the main overview</A> for instructions on how to run this 
+ * sample.
+ */
+public class AccessDataObjectUsingValidXPath extends SampleBase {
+    HelperContext scope;
+  
+    public AccessDataObjectUsingValidXPath(Integer userLevel) {
+      super(userLevel, SampleInfrastructure.SAMPLE_LEVEL_INTERMEDIATE);
+    }
+
+
+    /**
+     * Accesses and modifies properties of a purchase order DataObject using xPath(
+     * properties are defined in the xsd
+     * {@link org.apache.tuscany.samples.sdo.internal.SampleInfrastructure#PO_XSD_RESOURCE} and
+     * populated by xml
+     * {@link org.apache.tuscany.samples.sdo.internal.SampleInfrastructure#PO_XML_RESOURCE} )
+     * 
+     * @param args.
+     *            No parameters required.
+     */
+    public static void main(String[] args) {
+      AccessDataObjectUsingValidXPath sample = new AccessDataObjectUsingValidXPath(COMMENTARY_FOR_NOVICE);
+      sample.run();
+
+    }
+    
+    /*
+     *  metadata for the sample documenting the areas of SDO that are explored
+     */
+    public static int [] CORE_FUNCTION = {
+      SDOFacets.GET_SET_PROPERTIES_OF_DATAOBJECT_BY_XPATH
+    };
+
+
+    public void runSample () throws Exception {
+
+        commentary("Demonstrates accessing a DataObject's properties using the XPath style getter/setter methods");
+
+
+        HelperContext scope = createScopeForTypes();
+        
+        
+        commentary(
+            "First we create the type system using an XML Schema file and then create\n"+
+            "A DataObject using an XML document for convenience");
+        
+        loadTypesFromXMLSchemaFile(scope, SampleInfrastructure.PO_XSD_RESOURCE);
+        DataObject purchaseOrder = getDataObjectFromFile(scope, SampleInfrastructure.PO_XML_RESOURCE);
+
+
+
+        commentary(
+            "Accessing data from the purchase order using the DataObjects XPath style methods\n");
+        
+
+        System.out.println("First we use the simplest kind of path\n" +
+            "purchaseOrder.getString(\"billTo/name\")\n" +
+            "The purchase is to be paid for by .... " +
+            purchaseOrder.getString("billTo/name"));
+        
+        
+        System.out.println("\nThen we use indexing by integer starting from 1\n" +
+            "purchaseOrder.getString(\"items/item[1]/productName\")\n" +
+            "The first item in the order is a ... " +
+            purchaseOrder.getString("items/item[1]/productName"));
+        
+       
+        System.out.println("\nThe alternative style of indexing uses a . notation and starts from 0\n"+
+            "purchaseOrder.getFloat(\"items/item.0/price\")\n" +
+            "The price of this item is ... " +
+            purchaseOrder.getFloat("items/item.0/price"));
+        
+
+        System.out.println("\nDataObjects can be looked up by supplying the value of one of the contained simple valued Properties\n"+
+            "DataObject babyMonitorItem = purchaseOrder.getDataObject(\"items/item[productName=\\\"Baby Monitor\\\"]");
+                
+        DataObject babyMonitorItem = purchaseOrder.getDataObject("items/item[productName=\"Baby Monitor\"]");
+        System.out.println("The price of the Baby Monitor is .... " +
+        babyMonitorItem.getFloat("price"));
+        
+        
+        System.out.println("\nA parent DataObject can be accessed with the .. notation\n"+
+            "List onlyIfBuyingGrassSeed = purchaseOrder.getList(\"items/item[productName=GrassSeed]/../item\");");
+        List onlyIfBuyingGrassSeed = purchaseOrder.getList("items/item[productName=GrassSeed]/../item");
+        if(onlyIfBuyingGrassSeed != null) {
+          System.out.println("The purchase order included grass seed and " + new Integer(onlyIfBuyingGrassSeed.size()-1) + " other items");
+        } else {
+          System.out.println("The purchase order did not include GrassSeed");
+        }
+
+
+    }
+
+}