package tests;
   
   import junit.framework.TestCase;
   
   import javax.xml.namespace.QName;
   import javax.xml.transform.stream.StreamSource;
   import javax.xml.parsers.DocumentBuilderFactory;
   import javax.xml.parsers.DocumentBuilder;
   import java.io.InputStream;
  import java.io.FileInputStream;
  import java.io.ByteArrayOutputStream;
  import java.io.ByteArrayInputStream;
  import java.util.Iterator;
  
  import org.apache.ws.commons.schema.*;
  import org.w3c.dom.Document;
  import org.w3c.dom.NodeList;
  import org.w3c.dom.Node;
  import org.w3c.dom.Element;
  
  public class ElementRefs2Test extends TestCase {
      
      public void testElementRefs() throws Exception {
          QName ELEMENT_QNAME = new QName("http://soapinterop.org/types",
                  "attTests");
          InputStream is = new FileInputStream(Resources.asURI("elementreferences2.xsd"));
          XmlSchemaCollection schemaCol = new XmlSchemaCollection();
          XmlSchema schema = schemaCol.read(new StreamSource(is), null);
  
          XmlSchemaElement elem = schemaCol.getElementByQName(ELEMENT_QNAME);
  
          assertNotNull(elem);
  
          XmlSchemaComplexType cmplxType = (XmlSchemaComplexType)elem.getSchemaType();
          XmlSchemaObjectCollection items = ((XmlSchemaSequence)cmplxType.getParticle()).getItems();
  
          Iterator it = items.getIterator();
          while (it.hasNext()) {
              XmlSchemaElement innerElement =  (XmlSchemaElement)it.next();
              assertNotNull(innerElement.getRefName());
          }
  
          // test writing
          ByteArrayOutputStream bos = new ByteArrayOutputStream();
          schema.write(bos);
  
          //read this as a plain DOM and inspect our reference in question
          DocumentBuilder documentBuilder = DocumentBuilderFactory.newInstance().newDocumentBuilder();
          Document document = documentBuilder.parse(new ByteArrayInputStream(bos.toByteArray()));
  
          //find the element with name="atttest" and test its type attribute
          //to see whether it includes a colon.
          NodeList elementList = document.getElementsByTagName("element");
          for(int i=0;i < elementList.getLength();i++){
              Node n = elementList.item(i);
              if (n.getNodeType() == Node.ELEMENT_NODE &&
                      ((Element)n).hasAttribute("type")){
                  assertTrue(((Element)n).getAttribute("type").indexOf(':') < 0);
              }
          }
  
  
      }
  
  }