How to use

registerDynamicClass

method

in

org.apache.commons.jxpath.JXPathIntrospector

  protected boolean stream(ElementHandler handler) {
    // create an xpath context from the root element
    // TODO: cache the context, should work just the same
    //        JXPathIntrospector.registerDynamicClass(ElementHandlerImpl.class,
    //            ElementHandlerPropertyHandler.class);
    JXPathIntrospector.registerDynamicClass(NodeImpl.class, NodePropertyHandler.class);

    //        ElementHandler rootHandler =
    //        	((DocumentHandler) handlers.firstElement()).getDocumentElementHandler();
    Node root = ((DocumentHandler) handlers.firstElement()).getParseNode();
    JXPathContext jxpContext = JXPathContextFactory.newInstance().newContext(null, root);

    jxpContext.setLenient(true);

    Iterator itr = jxpContext.iterate(xpath);

    while (itr.hasNext()) {
      Object obj = itr.next();

      if (handler.getParseNode().equals(obj)) {
        return true;
      }
    }

    return false;
  }
}

  protected boolean stream(ElementHandler handler) {
    //create an xpath context from the root element
    // TODO: cache the context, should work just the same
//        JXPathIntrospector.registerDynamicClass(ElementHandlerImpl.class,
//            ElementHandlerPropertyHandler.class);
    JXPathIntrospector.registerDynamicClass( NodeImpl.class, NodePropertyHandler.class );

//        ElementHandler rootHandler = 
//            ((DocumentHandler) handlers.firstElement()).getDocumentElementHandler();
    
    Node root = ((DocumentHandler)handlers.firstElement()).getParseNode();
    JXPathContext jxpContext = 
      JXPathContextFactory.newInstance().newContext(null,root);
        
    jxpContext.setLenient(true);

    Iterator itr = jxpContext.iterate(xpath);

    for (; itr.hasNext();) {
      Object obj = itr.next();
      if (handler.getParseNode().equals(obj)) {
        return true;
      }
    }
  
    return false;
  }
  

  protected boolean stream(ElementHandler handler) {
    //create an xpath context from the root element
    // TODO: cache the context, should work just the same
    //        JXPathIntrospector.registerDynamicClass(ElementHandlerImpl.class,
    //            ElementHandlerPropertyHandler.class);
    JXPathIntrospector.registerDynamicClass(NodeImpl.class, NodePropertyHandler.class);

    //        ElementHandler rootHandler = 
    //        	((DocumentHandler) handlers.firstElement()).getDocumentElementHandler();
    Node root = ((DocumentHandler) handlers.firstElement()).getParseNode();
    JXPathContext jxpContext = JXPathContextFactory.newInstance().newContext(null, root);

    jxpContext.setLenient(true);

    Iterator itr = jxpContext.iterate(xpath);

    for (; itr.hasNext();) {
      Object obj = itr.next();

      if (handler.getParseNode().equals(obj)) {
        return true;
      }
    }

    return false;
  }
}

  protected boolean stream(ElementHandler handler) {
    //create an xpath context from the root element
    // TODO: cache the context, should work just the same
    //        JXPathIntrospector.registerDynamicClass(ElementHandlerImpl.class,
    //            ElementHandlerPropertyHandler.class);
    JXPathIntrospector.registerDynamicClass(NodeImpl.class, NodePropertyHandler.class);

    //        ElementHandler rootHandler = 
    //        	((DocumentHandler) handlers.firstElement()).getDocumentElementHandler();
    Node root = ((DocumentHandler) handlers.firstElement()).getParseNode();
    JXPathContext jxpContext = JXPathContextFactory.newInstance().newContext(null, root);

    jxpContext.setLenient(true);

    Iterator itr = jxpContext.iterate(xpath);

    for (; itr.hasNext();) {
      Object obj = itr.next();

      if (handler.getParseNode().equals(obj)) {
        return true;
      }
    }

    return false;
  }
}

public void initialize() throws Exception {
  if (enableDebugger) {
    if (getLogger().isDebugEnabled()) {
      getLogger().debug("Flow debugger enabled, creating");
    }
    getDebugger().doBreak();
  }
  Context context = Context.enter();
  context.setOptimizationLevel(OPTIMIZATION_LEVEL); 
  context.setCompileFunctionsWithDynamicScope(true);
  context.setGeneratingDebug(true);
  // add support for Rhino objects to JXPath
  JXPathIntrospector.registerDynamicClass(Scriptable.class,
                      ScriptablePropertyHandler.class);
  JXPathContextReferenceImpl.addNodePointerFactory(new ScriptablePointerFactory());
  try {
    scope = new Global(context);
    // Access to Cocoon internal objects
    FOM_Cocoon.init(scope);
  } catch (Exception e) {
    Context.exit();
    throw e;
  }
}