/*******************************************************************************
 * Copyright (c) 2001, 2006 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.wst.wsdl.ui.internal.filter;

import org.eclipse.wst.wsdl.util.WSDLConstants;
import org.w3c.dom.Element;

public class SoapExtensiblityElementFilter implements ExtensiblityElementFilter
{   
  public SoapExtensiblityElementFilter()
  {
  }  	
	
  public boolean isValidContext(Element parentElement, String localName)
  {
  	boolean result = true;

    String parentElementName = parentElement.getLocalName();    
    if (parentElement.getNamespaceURI().equals(WSDLConstants.WSDL_NAMESPACE_URI))
    { 
      // here we assume the parent element is the WSDL binding 
      // skeleton and that the 'localName' is the SOAP extension element
      //      
      if (parentElementName.equals("binding")) //$NON-NLS-1$
      {
        result = localName.equals("binding"); 	   //$NON-NLS-1$
      }	  
      else if (parentElementName.equals("operation")) //$NON-NLS-1$
      {
        result = localName.equals("operation");  //$NON-NLS-1$
      }
      else if (parentElementName.equals("input") ||  //$NON-NLS-1$
          parentElementName.equals("output")) //$NON-NLS-1$
      {
        result = localName.equals("body") ||  //$NON-NLS-1$
        localName.equals("header"); 	   //$NON-NLS-1$
      }	
      else if (parentElementName.equals("fault")) //$NON-NLS-1$
      {
        result = localName.equals("fault"); 	   //$NON-NLS-1$
      }
      else if (parentElementName.equals("port")) //$NON-NLS-1$
      {
        result = localName.equals("address"); 	   //$NON-NLS-1$
      }
      else
      {
        result = false;        
      }  
    }    
    return result;
  }     
}