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+/**
+ *
+ * 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.specCodeSnippets;
+
+import java.util.List;
+
+import commonj.sdo.DataObject;
+import commonj.sdo.helper.XMLHelper;
+import commonj.sdo.helper.XSDHelper;
+import org.apache.tuscany.samples.sdo.SdoSampleConstants;
+
+/**
+ * Demonstrates accessing a created DataObject's properties by name.
+ *
+ * This sample is from the <a href="http://incubator.apache.org/tuscany"
+ * target="_blank"> Apache Tuscany</a> project. It was written to help users
+ * understand and experiment with SDO. It is based upon code snippets contained
+ * within, and is meant for use with, and reference to the <a
+ * href="http://osoa.org/download/attachments/36/Java-SDO-Spec-v2.1.0-FINAL.pdf?version=1"
+ * target="_bank">SDO Specification</a>.
+ *
+ * <br>
+ * <br>
+ * <b>Usage:</b> <br>
+ * This sample can easily be run from within Eclipse as a Java Application if tuscany or
+ * the sample-sdo project is imported into Eclipse as an existing project.
+ * <br><br>
+ * If executing as a standalone application please do the following:
+ * <br>
+ * <UL>
+ * <LI>Include the following jar files on your classpath :
+ * <UL>
+ * <LI>SDO API and Tuscany Implementation
+ * <UL>
+ * <LI>sdo-api-{version}.jar - SDO API
+ * <LI>tuscany-sdo-impl-{version}.jar - Tuscany SDO implementation
+ * </UL>
+ * </LI>
+ * <LI>EMF dependencies.
+ * <UL>
+ * <LI>emf-common-{version}.jar - some common framework utility and base classes
+ * <LI>emf-ecore-{version}.jar - the EMF core runtime implementation classes (the Ecore metamodel)
+ * <LI>emf-ecore-change-{version}.jar - the EMF change recorder and framework
+ * <LI>emf-ecore-xmi-{version}.jar - EMF's default XML (and XMI) serializer and loader
+ * <LI>xsd-{version}.jar - the XML Schema model
+ * </UL>
+ * </LI>
+ * </UL>
+ *
+ * These jar files can be obtained by downloading and unpacking a <a href="http://cwiki.apache.org/TUSCANY/sdo-downloads.html" target="_blank">Tuscany binary distribution</a> </LI>
+ * <LI>Execute: <br>
+ * java org.apache.tuscany.samples.sdo.specCodeSnippets.AccessDataObjectPropertiesByName</LI>
+ * </UL>
+ */
+public class AccessDataObjectPropertiesByName {
+
+ /**
+ * Prints a subset of PurchaseOrder properties to System.out
+ *
+ * @param purchaseOrder.
+ * DataObject defined by Types in
+ * {@link org.apache.tuscany.samples.sdo.SdoSampleConstants#PO_XSD_RESOURCE}
+ */
+ public static void printPurchaseOrderSummary(DataObject purchaseOrder) {
+
+ // example accessing properties via property names
+ System.out.println("Purchase Order: ");
+ System.out.println(" Order date: " + purchaseOrder.get("orderDate"));
+ System.out.println(" Comment: " + purchaseOrder.get("comment"));
+
+ DataObject shipTo = purchaseOrder.getDataObject("shipTo");
+ System.out.println(" Ship to name: " + shipTo.get("name"));
+
+ DataObject billTo = purchaseOrder.getDataObject("billTo");
+ System.out.println(" Bill to name: " + billTo.get("name"));
+
+ DataObject items = purchaseOrder.getDataObject("items");
+ List itemList = items.getList("item");
+
+ System.out.println(" Items:");
+ for (int i = 0; i < itemList.size(); i++) {
+ DataObject item = (DataObject) itemList.get(i);
+ System.out.println(" Item " + i);
+ System.out.println(" Part num: " + item.get("partNum"));
+ System.out.println(" Product name: " + item.get("productName"));
+ }
+ }
+
+ /**
+ * Prints properties of a purchase order DataObject( properties are defined in
+ * the xsd
+ * {@link org.apache.tuscany.samples.sdo.SdoSampleConstants#PO_XSD_RESOURCE} and
+ * populated by xml
+ * {@link org.apache.tuscany.samples.sdo.SdoSampleConstants#PO_XML_RESOURCE} )
+ *
+ * @param args.
+ * No parameters required.
+ */
+ public static void main(String[] args) {
+
+ // information
+ System.out.println("***************************************");
+ System.out.println("SDO Sample AccessDataObjectPropertiesByName");
+ System.out.println("***************************************");
+ System.out.println("This sample will access a DataObject properties by name");
+ System.out.println("***************************************");
+
+ // create a DataObejct
+ DataObject purchaseOrder = null;
+ try {
+ XSDHelper.INSTANCE.define(ClassLoader.getSystemResourceAsStream(SdoSampleConstants.PO_XSD_RESOURCE), null);
+ purchaseOrder = XMLHelper.INSTANCE.load(ClassLoader.getSystemResourceAsStream(SdoSampleConstants.PO_XML_RESOURCE)).getRootObject();
+ System.out.println("DataObject created");
+ } catch (Exception e) {
+ System.out.println("Error creating DataObject " + e.toString());
+ e.printStackTrace();
+ return;
+ }
+
+ // start of sample
+ try {
+ System.out.println("Accessing properties by name");
+ printPurchaseOrderSummary(purchaseOrder);
+ } catch (Exception e) {
+ System.out.println("Sorry there was an error accessing properties by name " + e.toString());
+ e.printStackTrace();
+ }
+ System.out.println("GoodBye");
+ // end of sample
+ }
+
+}