public static List<JAXBContext> getJAXBContext() 
{
    	List< JAXBContext > contextList = new ArrayList< JAXBContext >();
    	Collection< IJAXBUtilsProvider > jaxbutils =  providers.values();
    	Iterator< IJAXBUtilsProvider > iterator = jaxbutils.iterator();
    	while (iterator.hasNext()){
    		IJAXBUtilsProvider provider = iterator.next();
    		contextList.add(provider.getJAXBContext());
    	}
    	return contextList;
}

 public static Object getValue(Object element,
    String name) throws Exception 
{
        try {
            if (String.class.isInstance(element))
                return (String)element;
            Method method = element.getClass().getMethod( "get" + name, null);
            return method.invoke(element, null);
        } catch ( Exception e ) {
            throw e;
        }
}

 public static  void marshalDeploymentPlan(JAXBElement jaxbElement,
    IFile file) throws Exception 
{
        	IJAXBUtilsProvider provider = getProvider(file);
        	provider.marshalDeploymentPlan(jaxbElement, file);
}

 public static  void marshalPlugin(JAXBElement jaxbElement,
    OutputStream outputStream) throws Exception 
{
        //currently only JAXB21Utils provide this method,so invoke it directly
    	providers.get("2.1").marshalPlugin(jaxbElement, outputStream);
}

 public static  void setValue(Object element,
    String name,
    Object value) throws Exception 
{
        try {
            Method[] methods = element.getClass().getMethods();
            for ( Method method: methods) {
                if ( method.getName().equals( "set" + name ) ) {
                    method.invoke( element, value );
                    return;
                }
            }
        } catch (Exception e) {
            throw e;
        }
        System.out.println( "============== No such method set" + name + " in class " + element.getClass().getName() );
}

 public static JAXBElement unmarshalFilterDeploymentPlan(IFile file) throws Exception 
{
    	IJAXBUtilsProvider provider = getProvider(file);
    	return provider.unmarshalFilterDeploymentPlan(file);
}

 public static JAXBElement unmarshalPlugin(InputStream inputStream) 
{
    	//currently only JAXB21Utils provide this method,so invoke it directly
    	return providers.get("2.1").unmarshalPlugin(inputStream);
}