newslistaction.java

功能完善的java开发框架

package news.web;

import com.jdon.controller.model.PageIterator;
import com.jdon.strutsutil.*;
import javax.servlet.http.*;
import com.jdon.controller.model.Model;
import news.ejb.NewsManagerLocal;
import com.jdon.controller.WebAppUtil;
import com.jdon.util.Debug;

public class NewsListAction
    extends ModelListAction {
  private final static String module = NewsListAction.class.getName();

  public PageIterator getPageIterator(HttpServletRequest request, int start,
                                      int count) {
    PageIterator pageIterator = null;
    try {
      NewsManagerLocal newsManager = (NewsManagerLocal) WebAppUtil.
          getEJBService("newsManager",
                        request);
      String typeId = request.getParameter("typeId");
      Debug.logVerbose(" typeId = " + typeId);
      pageIterator = newsManager.getNewsPage(typeId, start, count);
    }
    catch (Exception ex) {
      Debug.logError(ex, module);
    }
    return pageIterator;
  }

  public Model findModelByKey(HttpServletRequest request, Object key) {
    NewsManagerLocal newsManager = null;
    try {
      newsManager = (NewsManagerLocal) WebAppUtil.getEJBService("newsManager",
          request);
    }
    catch (Exception ex) {
      Debug.logError(ex, module);
    }
    return newsManager.getNews( (String) key);

  }
}