mapwalker.java

来自「webwork source」· Java 代码 · 共 43 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 java.util.Iterator;
import java.util.List;
import java.util.Map;

/**
 *	Walker for java.util.Map
 *
 *	@see webwork.view.xslt.SAXAdapter.XMLReaderAdapter
 *	@author Philipp Meier <[e-mail]>
 *	@version $Revision: 1.2 $
 */
public class MapWalker extends AbstractWalker
{
   public void doWalk(XMLWalker rootWalker, ContentHandler contentHandler, Object value, String attributeName, List walkedInstances) throws SAXException
   {
      contentHandler.startElement("", attributeName, "", EMPTY_ATTRS);
      Map map = (Map) value;
      for (Iterator iter = map.entrySet().iterator(); iter.hasNext();)
      {
         Map.Entry entry = (Map.Entry) iter.next();
         rootWalker.walk(contentHandler, entry.getKey(), "key", walkedInstances);
         rootWalker.walk(contentHandler, entry.getValue(), "value", walkedInstances);
      }
      contentHandler.endElement("", attributeName, "");
   }

   public Class getWalkedType()
   {
      return Map.class;
   }
}