/******************************************************************************

  * ImportPicsAjaxController.java - The Spring controller for the Import page AJAX calls

  * 

  * PicMan - The BuckoSoft Picture Manager in Java

  * Copyright(c) 2008 - Dick Balaska

  * 

  */

 package com.buckosoft.PicMan.web;

 import java.io.File;

 import java.io.IOException;

 import java.io.OutputStream;

 import java.io.UnsupportedEncodingException;

 import java.util.List;

 import javax.servlet.http.HttpServletRequest;

 import javax.servlet.http.HttpServletResponse;

 import org.apache.commons.logging.Log;

 import org.apache.commons.logging.LogFactory;

 import org.dom4j.Document;

 import org.dom4j.io.OutputFormat;

 import org.dom4j.io.XMLWriter;

 import org.springframework.web.servlet.ModelAndView;

 import org.springframework.web.servlet.mvc.Controller;

 import com.buckosoft.BSAccount.web.BSAccountPageController;

 import com.buckosoft.BSAccount.web.BSAccountUserWebSession;

 import com.buckosoft.PicMan.business.PicManFacade;

 import com.buckosoft.PicMan.dom.FilesInDirCountDom;

 import com.buckosoft.PicMan.dom.ImportPicsDom;

 import com.buckosoft.PicMan.dom.MosaicManDom;

 import com.buckosoft.PicMan.domain.User;

  /** The Spring controller for the Import page AJAX calls

  * @author Dick Balaska

  * @since 2008/01/30

  * @see <a href="http://cvs.buckosoft.com/Projects/java/PicMan/PicMan/src/com/buckosoft/PicMan/web/ImportPicsAjaxController.java">ImportPicsAjaxController.java</a>

  */

 public class ImportPicsAjaxController extends BSAccountPageController implements Controller {

         private static boolean DEBUG                = true;

         private final static boolean DEBUGLOTS        = true;

         protected final Log log = LogFactory.getLog(getClass());

         private PicManFacade pmf;

         /** Set the reference to the PicMan API.

          * @param pmf The PicManFacade

          */

         public void setPicMan(PicManFacade pmf) { this.pmf = pmf; }

         /** Enable debug logger output on this module

          * @param debugFlag true == turn on debugging.

          */

         public void setDEBUG(boolean debugFlag) {

                 DEBUG = debugFlag;

         }

         /** Spring standard http request handler.

          * @param request The http request.

          * @param response The http response.

          * @return null to return just an http status because we pushed the DOM out the response.

          */ 

         public ModelAndView handleRequest(HttpServletRequest request,

                         HttpServletResponse response) {

                 String v;

                 String s;

                 if (DEBUGLOTS)

                         log.info("XML Import Pics Request");

                 response.setContentType("text/xml");

                 response.addHeader("Cache-Control", "max-age=0");

                 response.addHeader("Cache-Control", "no-cache");

                 response.addHeader("expires", "0");

                 response.addHeader("Expires", "Tue, 01 Jan 1980 1:00:00 GMT");

                 response.addHeader("Pragma", "no-cache");

                 User user = null;

                 BSAccountUserWebSession userWebSession = this.bsAccountMan.getUserWebSession(request);

                 if (userWebSession != null) 

                         user = (User)userWebSession.getUser();

                 Document dom = null;

                 String getPics = request.getParameter("getPics");

                 if (getPics != null) {

                         if (DEBUG)

                                 log.info("Determine Pics");

                         List<File> list = pmf.getPicImporter().getPicNamesToImport();

                         dom = ImportPicsDom.createDocument(list);

                 }

                 v = request.getParameter("getFilesInDirCount");

                 if (v != null) {

                         v = request.getParameter("rid");

                         int rid = Integer.parseInt(v);

                         v = request.getParameter("dir");

                         dom = FilesInDirCountDom.createDocument(pmf, rid, v);

                 }

                 v = request.getParameter("ajaxImportOnePic");

                 if (v != null) {

                         v = request.getParameter("rid");

                         int rid = Integer.parseInt(v);

                         String odir = request.getParameter("odir");

                         String iname = request.getParameter("iname");

                         String oname = request.getParameter("oname");

                         if (DEBUG)

                                 log.info("importOnePic rid=" + rid + " odir=" + odir + " iname=" + iname + " oname=" + oname);

                         dom = pmf.getPicImporter().importPic(rid, odir, iname, oname);

                 }

                 v = request.getParameter("analyzeOnePic");

                 if (v != null) {

                         v = request.getParameter("fname");

                         s = request.getParameter("customDate");

                         dom = pmf.getPicImporter().analyzePic(v, s);

                 }

                 try {

                         if (dom == null)

                                 dom = MosaicManDom.createDocument(pmf, user);

                         OutputStream stream = response.getOutputStream();

                         OutputFormat outformat = OutputFormat.createPrettyPrint();

                         outformat.setEncoding("ISO-8859-1");

                         XMLWriter writer = new XMLWriter(stream, outformat);

                         writer.write(dom);

                         writer.flush();

                 } catch (UnsupportedEncodingException e) {

                         log.info(e);

                         pmf.addError(e);

                 } catch (IOException e) {

                         log.info(e);

                         pmf.addError(e);

                 }

                 return null;

         }

 }