Subversion Repositories general

package ak.photoalbum.webapp;

import java.util.List;

import java.util.ArrayList;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

import org.apache.struts.action.ActionMapping;

import org.apache.struts.action.ActionForm;

import org.apache.struts.action.ActionForward;

import org.apache.log4j.Logger;

import ak.photoalbum.util.FileUtils;

public final class IndexAction

  extends BaseAction

{

  private static final Logger logger = Logger.getLogger(IndexAction.class);

  public ActionForward executeAction(ActionMapping mapping, ActionForm form,

     HttpServletRequest request, HttpServletResponse response)

    throws Exception

  {

    IndexForm  theForm = (IndexForm)form;

    String     dir     = theForm.getPath();

    int        page    = theForm.getPageInt();

    IndexEntry entry   = new IndexEntry();

    IndexEntry top     = new IndexEntry();

    IndexEntry prev    = new IndexEntry();

    IndexEntry current = new IndexEntry();

    IndexEntry next    = new IndexEntry();

    List       index   = new ArrayList();

    List       pages   = new ArrayList();

    if(dir == null) dir = "";  // the images root

    logger.info("get index for " + dir);

    Logic.getLogic().getEntry(dir, entry, top, prev, current, next);

    if(!Logic.getLogic().listDirectory(dir, page, index, pages))

      return mapping.findForward("error");

    request.setAttribute("dir",       FileUtils.replaceFileSeparator(dir, " - "));

    request.setAttribute("index",     index);

    request.setAttribute("top",       top);

    request.setAttribute("prevEntry", prev);

    request.setAttribute("current",   current);

    request.setAttribute("nextEntry", next);

    request.setAttribute("pages",     pages);

    request.setAttribute("firstPage", pages.get(0));

    request.setAttribute("lastPage",  pages.get(pages.size() - 1));

    request.setAttribute("prevPage",  (page == 0)                ? null : pages.get(page-1));

    request.setAttribute("nextPage",  (page == pages.size() - 1) ? null : pages.get(page+1));

    return mapping.findForward("success");

  }

}