nullwalker.java

来自「webwork source」· Java 代码 · 共 32 行

/*
 * WebWork, Web Application Framework
 *
 * Distributable under Apache license.
 * See terms of license at opensource.org
 */
package webwork.view.xslt.SAXAdapter;

import org.xml.sax.ContentHandler;
import org.xml.sax.SAXException;
import org.xml.sax.helpers.AttributesImpl;

import java.util.List;

public class NullWalker extends AbstractWalker
{
   public void doWalk(XMLWalker rootWalker, ContentHandler contentHandler, Object value,
                      String attributeName, List walkedInstances)
   throws SAXException
   {
      AttributesImpl attributes = new AttributesImpl();
      attributes.addAttribute("", "null", "", "CDATA", "true");
      contentHandler.startElement("", attributeName, "", attributes);
      contentHandler.endElement("", attributeName, "");
   }

   public final Class getWalkedType()
   {
      return String.class;
   }
}