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diff --git a/sdo-java/branches/emf-2.5/impl/src/test/java/org/apache/tuscany/sdo/test/XMLHelperTestCase.java b/sdo-java/branches/emf-2.5/impl/src/test/java/org/apache/tuscany/sdo/test/XMLHelperTestCase.java
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+++ b/sdo-java/branches/emf-2.5/impl/src/test/java/org/apache/tuscany/sdo/test/XMLHelperTestCase.java
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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.sdo.test;
+
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.net.URL;
+import java.util.HashMap;
+import java.util.Map;
+
+import javax.xml.parsers.DocumentBuilder;
+import javax.xml.parsers.DocumentBuilderFactory;
+import javax.xml.parsers.ParserConfigurationException;
+import javax.xml.transform.dom.DOMSource;
+
+import junit.framework.TestCase;
+
+import org.apache.tuscany.sdo.api.SDOHelper;
+import org.apache.tuscany.sdo.api.SDOUtil;
+import org.w3c.dom.Document;
+import org.xml.sax.SAXException;
+
+import commonj.sdo.DataObject;
+import commonj.sdo.Type;
+import commonj.sdo.helper.DataFactory;
+import commonj.sdo.helper.HelperContext;
+import commonj.sdo.helper.TypeHelper;
+import commonj.sdo.helper.XMLDocument;
+import commonj.sdo.helper.XMLHelper;
+import commonj.sdo.helper.XSDHelper;
+import commonj.sdo.impl.HelperProvider;
+
+public class XMLHelperTestCase extends TestCase {
+
+  HelperContext hc;
+  private XSDHelper xsdHelper;
+  XMLHelper xmlh;
+  static final String INDENT = "    ", MARGIN = "  ", LINE_BREAK = "\n\n";
+
+  void define(String model) throws Exception {
+    // Populate the meta data for the test model
+    URL url = getClass().getResource(model);
+    xsdHelper.define(url.openStream(), url.toString());
+  }
+  
+  protected void setUp() throws Exception {
+    super.setUp();
+    hc = SDOUtil.createHelperContext();
+    xsdHelper = hc.getXSDHelper();
+    xmlh = hc.getXMLHelper();
+
+    // Populate the meta data for the test (Stock Quote) model
+    define("/simpleWithChangeSummary.xsd");
+
+    define("/SequenceChangeSummary.xsd");
+    
+    define("/simple.xsd");
+  }
+
+  protected void tearDown() throws Exception {
+    super.tearDown();
+  }
+
+  public void testLoadInputStreamStringObject() throws IOException {
+ 
+  }
+
+  protected final void format(String xml,String formatted) throws IOException {
+    XMLDocument doc = xmlh.load(getClass().getResource(xml).openStream());
+    Map options = new HashMap();
+
+    options.put(SDOHelper.XMLOptions.XML_SAVE_INDENT, INDENT);
+    options.put(SDOHelper.XMLOptions.XML_SAVE_MARGIN, MARGIN);
+    options.put(SDOHelper.XMLOptions.XML_SAVE_LINE_BREAK, LINE_BREAK);
+
+    ByteArrayOutputStream baos = new ByteArrayOutputStream();
+    
+    // doc declares NameSpaces at root
+    xmlh.save(xmlh.createDocument(doc.getRootObject(), doc.getRootElementURI(), doc.getRootElementName()), baos, options);
+    //xmlh.save(xmlh.createDocument(doc.getRootObject(), doc.getRootElementURI(), doc.getRootElementName()), System.out, options);
+    
+    assertEquals(formatted, baos.toString());
+  }
+
+  public void notestSaveXMLDocumentOutputStreamObject() throws IOException {
+    format("/simpleWithChangeSummary.xml",
+MARGIN+  "<?xml version=\"1.0\" encoding=\"ASCII\"?>"  +LINE_BREAK+
+MARGIN+  "<cs:stockQuote xmlns:cs=\"http://www.example.com/simpleCS\">"  +LINE_BREAK+
+MARGIN+INDENT+  "<symbol>FBNT</symbol>"  +LINE_BREAK+
+MARGIN+INDENT+  "<companyName>FlyByNightTechnology</companyName>"  +LINE_BREAK+
+MARGIN+INDENT+  "<price>999.0</price>"  +LINE_BREAK+
+MARGIN+INDENT+  "<volume>1000.0</volume>"  +LINE_BREAK+
+MARGIN+INDENT+  "<quotes>"  +LINE_BREAK+
+MARGIN+INDENT+INDENT+  "<price>1500.0</price>"  +LINE_BREAK+
+MARGIN+INDENT+  "</quotes>"  +LINE_BREAK+
+MARGIN+INDENT+  "<quotes>"  +LINE_BREAK+
+MARGIN+INDENT+INDENT+  "<price>2500.0</price>"  +LINE_BREAK+
+MARGIN+INDENT+  "</quotes>"  +LINE_BREAK+
+MARGIN+INDENT+  "<quotes>"  +LINE_BREAK+
+MARGIN+INDENT+INDENT+  "<price>3000.0</price>"  +LINE_BREAK+
+MARGIN+INDENT+  "</quotes>"  +LINE_BREAK+
+MARGIN+INDENT+  "<quotes>"  +LINE_BREAK+
+MARGIN+INDENT+INDENT+  "<price>4000.0</price>"  +LINE_BREAK+
+MARGIN+INDENT+  "</quotes>"  +LINE_BREAK+
+MARGIN+INDENT+  "<changes create=\"#//quotes[3] #//quotes[4]\" delete=\"#//changes/stockQuote[1]/quotes[2]\" logging=\"false\" xmlns:sdo=\"commonj.sdo\">"  +LINE_BREAK+
+MARGIN+INDENT+INDENT+  "<cs:stockQuote sdo:ref=\"#/stockQuote\" sdo:unset=\"volume\">"  +LINE_BREAK+
+MARGIN+INDENT+INDENT+INDENT+  "<symbol>fbnt</symbol>"  +LINE_BREAK+
+MARGIN+INDENT+INDENT+INDENT+  "<price>1000.0</price>"  +LINE_BREAK+
+MARGIN+INDENT+INDENT+INDENT+  "<quotes sdo:ref=\"#//quotes[1]\" />"  +LINE_BREAK+
+MARGIN+INDENT+INDENT+INDENT+  "<quotes><price>2000.0</price><quotes><price>2000.99</price></quotes></quotes>"  +LINE_BREAK+
+MARGIN+INDENT+INDENT+INDENT+  "<quotes sdo:ref=\"#//quotes[2]\" />"  +LINE_BREAK+
+MARGIN+INDENT+INDENT+  "</cs:stockQuote>"  +LINE_BREAK+
+MARGIN+INDENT+  "</changes>"  +LINE_BREAK+
+MARGIN+  "</cs:stockQuote>");
+  }
+
+  public void notestSaveMixedOutputStreamObject() throws IOException {
+    format("/mixedChangeSummary.xml",
+MARGIN+  "<?xml version=\"1.0\" encoding=\"ASCII\"?>"  +LINE_BREAK+
+MARGIN+  "<cs:stockQuote xmlns:cs=\"http://www.example.com/sequenceCS\"><changes create=\"#//quotes[3] #//quotes[4]\" delete=\"#//changes/stockQuote[1]/quotes[2]\" logging=\"false\" xmlns:sdo=\"commonj.sdo\">"  +LINE_BREAK+
+INDENT+  "<cs:stockQuote sdo:ref=\"#/stockQuote\">"  +LINE_BREAK+
+INDENT+INDENT+  "<symbol>fbnt</symbol>"  +LINE_BREAK+
+INDENT+INDENT+  "<companyName>FlyByNightTechnology</companyName>"  +LINE_BREAK+
+INDENT+INDENT+  "<price>1000.0</price>"  +LINE_BREAK+
+INDENT+INDENT+  "<quotes sdo:ref=\"#//quotes[1]\" />"  +LINE_BREAK+
+INDENT+INDENT+  "<quotes><price>2000.0</price><quotes><price>2000.99</price></quotes></quotes>"  +LINE_BREAK+
+INDENT+INDENT+  "<quotes sdo:ref=\"#//quotes[2]\" />"  +LINE_BREAK+
+INDENT+  "</cs:stockQuote>"  +LINE_BREAK+
+"</changes><symbol>FBNT</symbol><companyName>FlyByNightTechnology</companyName><price>999.0</price><quotes><price>1500.0</price></quotes><quotes><price>2500.0</price></quotes><volume>1000.0</volume><quotes><price>3000.0</price></quotes><quotes><price>4000.0</price></quotes></cs:stockQuote>");
+  }
+
+  public void notestOpenMixedOutputStreamObject() throws IOException {
+    format("/openChangeSummary.xml",
+MARGIN+  "<?xml version=\"1.0\" encoding=\"ASCII\"?>"  +LINE_BREAK+
+MARGIN+  "<cs:openQuote xmlns:cs=\"http://www.example.com/sequenceCS\" xmlns:open=\"http://www.example.com/open\">"  +LINE_BREAK+
+MARGIN+INDENT+  "<symbol>FBNT</symbol>"  +LINE_BREAK+
+MARGIN+INDENT+  "<open:openStockQuote>"  +LINE_BREAK+
+MARGIN+INDENT+INDENT+  "<symbol>1500.0</symbol>"  +LINE_BREAK+
+MARGIN+INDENT+  "</open:openStockQuote>"  +LINE_BREAK+
+MARGIN+INDENT+  "<open:openStockQuote>"  +LINE_BREAK+
+MARGIN+INDENT+INDENT+  "<symbol>2500.0</symbol>"  +LINE_BREAK+
+MARGIN+INDENT+  "</open:openStockQuote>"  +LINE_BREAK+
+MARGIN+INDENT+  "<open:openStockQuote>"  +LINE_BREAK+
+MARGIN+INDENT+INDENT+  "<symbol>3000.0</symbol>"  +LINE_BREAK+
+MARGIN+INDENT+  "</open:openStockQuote>"  +LINE_BREAK+
+MARGIN+INDENT+  "<open:openStockQuote>"  +LINE_BREAK+
+MARGIN+INDENT+INDENT+  "<symbol>4000.0</symbol>"  +LINE_BREAK+
+MARGIN+INDENT+  "</open:openStockQuote>"  +LINE_BREAK+
+MARGIN+INDENT+  "<changes create=\"#//open:openStockQuote[3] #//open:openStockQuote[4]\" delete=\"#//changes/openQuote[1]/open:openStockQuote[2]\" logging=\"false\" xmlns:sdo=\"commonj.sdo\">"  +LINE_BREAK+
+MARGIN+INDENT+INDENT+  "<cs:openQuote sdo:ref=\"#/openQuote\">"  +LINE_BREAK+
+MARGIN+INDENT+INDENT+INDENT+  "<symbol>fbnt</symbol>"  +LINE_BREAK+
+MARGIN+INDENT+INDENT+INDENT+  "<open:openStockQuote sdo:ref=\"#//open:openStockQuote[1]\" />"  +LINE_BREAK+
+MARGIN+INDENT+INDENT+INDENT+  "<open:openStockQuote><symbol>2000.0</symbol><open:openStockQuote><symbol>2000.99</symbol></open:openStockQuote></open:openStockQuote>"  +LINE_BREAK+
+MARGIN+INDENT+INDENT+INDENT+  "<open:openStockQuote sdo:ref=\"#//open:openStockQuote[2]\" />"  +LINE_BREAK+
+MARGIN+INDENT+INDENT+  "</cs:openQuote>"  +LINE_BREAK+
+MARGIN+INDENT+  "</changes>"  +LINE_BREAK+
+MARGIN+  "</cs:openQuote>");
+  }
+  
+  private String quoteXML =
+      "<?xml version=\"1.0\" encoding=\"ASCII\"?>" +
+      "<simple:stockQuote xmlns:simple=\"http://www.example.com/simple\">" +
+          "<symbol>fbnt</symbol>" +
+          "<companyName>FlyByNightTechnology</companyName>" +
+          "<price>1000.0</price>" +
+          "<open1>1000.0</open1>" +
+          "<high>1000.0</high>" +
+          "<low>1000.0</low>" +
+          "<volume>1000.0</volume>" +
+          "<change1>1000.0</change1>" +
+          "<quotes>" +
+              "<price>2000.0</price>" +
+          "</quotes>" +
+      "</simple:stockQuote>";
+
+  public void testLoadDOMSource() throws IOException, ParserConfigurationException, SAXException
+  {
+      DocumentBuilderFactory dFactory = DocumentBuilderFactory.newInstance();
+      dFactory.setNamespaceAware(true);
+
+      DocumentBuilder dBuilder = dFactory.newDocumentBuilder();
+      Document document = dBuilder.parse(new ByteArrayInputStream(quoteXML.getBytes()));
+      
+      DOMSource domSource = new DOMSource(document);
+      
+      XMLDocument xmlDocument = hc.getXMLHelper().load(domSource, null, null);
+      
+      ByteArrayOutputStream baos = new ByteArrayOutputStream();
+      
+      Map options = new HashMap();
+      options.put(SDOHelper.XMLOptions.XML_SAVE_INDENT, "");
+      options.put(SDOHelper.XMLOptions.XML_SAVE_MARGIN, "");
+      options.put(SDOHelper.XMLOptions.XML_SAVE_LINE_BREAK, "");
+      
+      hc.getXMLHelper().save(xmlDocument, baos, options);
+      
+      boolean isEqual = TestUtil.equalXmlFiles(new ByteArrayInputStream(quoteXML.getBytes()), new ByteArrayInputStream(baos.toByteArray()));
+      assertTrue(isEqual);
+  }
+  
+  private String xsdStr =
+      "<?xml version=\"1.0\" encoding=\"UTF-8\"?>" +
+      "<xsd:schema xmlns:xsd=\"http://www.w3.org/2001/XMLSchema\" " +
+          "xmlns:simple=\"http://www.example.com/simple\" " +
+          "targetNamespace=\"http://www.example.com/simple\">" +
+//          "<xsd:element name=\"stockQuote\" type=\"simple:Quote\"/>" +
+          "<xsd:complexType name=\"Quote\">" +
+              "<xsd:sequence>" +
+                  "<xsd:element name=\"symbol\" type=\"xsd:string\"/>" +
+              "</xsd:sequence>" +
+          "</xsd:complexType>" +
+      "</xsd:schema>";
+  
+  /**
+   * Test the scenario of serializing and deserializing an SDO with an undefined global SDO property
+   * In this scenario, the target XSD namespace doesn't have any global element defined 
+   *
+   */
+  public void testDemandCreateRootObject() {
+      HelperContext hc = SDOUtil.createHelperContext();
+      hc.getXSDHelper().define(xsdStr);
+      DataObject quote = hc.getDataFactory().create("http://www.example.com/simple", "Quote");
+      quote.set("symbol", "abc");
+      
+      String xmlStr = hc.getXMLHelper().save(quote, quote.getType().getURI(), "demandcreate");
+      
+      XMLDocument doc = hc.getXMLHelper().load(xmlStr);
+      try {
+          doc.getRootObject();
+      }
+      catch (ClassCastException e) {
+          fail(e.toString());
+      }
+  }
+  
+  /**
+   * This test case is similar to the testDemandCreateRootObject above. The only difference is
+   * the data model was created using SDO APIs instead of XSD.
+   *
+   */
+  public void testDemandCreateRootObject2() {
+      HelperContext hc1 = SDOUtil.createHelperContext();
+      Type stringType = hc1.getTypeHelper().getType("commonj.sdo", "String");
+      
+      DataObject quoteTypeDef = hc1.getDataFactory().create("commonj.sdo", "Type");
+      quoteTypeDef.set("uri", "http://www.example.com/simple");
+      quoteTypeDef.set("name", "Quote");
+      
+      DataObject symbolPropDef = quoteTypeDef.createDataObject("property");
+      symbolPropDef.set("name", "symbol");
+      symbolPropDef.set("type", stringType);
+      
+      hc1.getTypeHelper().define(quoteTypeDef);
+      
+      DataObject quote = hc1.getDataFactory().create("http://www.example.com/simple", "Quote");
+      quote.set("symbol", "abc");
+      
+      String xmlStr = hc1.getXMLHelper().save(quote, quote.getType().getURI(), "demandcreate");
+
+      HelperContext hc2 = SDOUtil.createHelperContext();
+      hc2.getXSDHelper().define(xsdStr);
+      
+      XMLDocument doc = hc2.getXMLHelper().load(xmlStr);
+      try {
+          doc.getRootObject();
+      }
+      catch (ClassCastException e) {
+          fail(e.toString());
+      }
+  }
+  
+  public void testEncoding() throws IOException 
+  {
+      TypeHelper types = hc.getTypeHelper();
+      Type stringType = types.getType("commonj.sdo", "String");
+      DataObject customerType = hc.getDataFactory().create("commonj.sdo", "Type");
+      customerType.set("uri", "http://example.com/simple");
+      customerType.set("name", "Simple");
+      DataObject multiProperty = customerType.createDataObject("property");
+      multiProperty.set("name", "name");
+      multiProperty.set("type", stringType);
+      types.define(customerType);
+      DataObject obj = hc.getDataFactory().create("http://example.com/simple", 
+      "Simple");
+      obj.set("name", "John Smith");
+      
+      ByteArrayOutputStream baos = new ByteArrayOutputStream();
+      hc.getXMLHelper().save(obj, "http://www.example.com/company" , "company", baos);
+      ByteArrayInputStream bais = new ByteArrayInputStream(baos.toString().getBytes());
+      XMLDocument xmlDoc = hc.getXMLHelper().load(bais);
+      if( !"UTF-8".equals(xmlDoc.getEncoding()) )
+      {
+          fail("Encoding ('" + xmlDoc.getEncoding() +"' is not correct.  UTF-8 is the expected encoding.");
+      }
+   }
+}