package org.jallinone.documents.server;
import javax.servlet.ServletContext;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import org.jallinone.commons.java.ApplicationConsts;
import org.jallinone.commons.server.JAIOBeanFactory;
import org.jallinone.documents.java.DocumentVersionVO;
import org.jallinone.system.server.JAIOUserSessionParameters;
import org.openswing.swing.logger.server.Logger;
import org.openswing.swing.message.receive.java.ErrorResponse;
import org.openswing.swing.message.receive.java.Response;
import org.openswing.swing.message.receive.java.VOResponse;
import org.openswing.swing.server.Action;
import org.openswing.swing.server.UserSessionParameters;
/**
* <p>Title: JAllInOne ERP/CRM application</p>
* <p>Description: Action class used to fetch a specific document version from the file system.
* This class temporally stores the document retrieved (byte[]) in the user session so that the client can
* requests it via HTTP protocol and shows the document in a web page</p>
* <p>Copyright: Copyright (C) 2006 Mauro Carniel</p>
*
* <p> This file is part of JAllInOne ERP/CRM application.
* This application is free software; you can redistribute it and/or
* modify it under the terms of the (LGPL) Lesser General Public
* License as published by the Free Software Foundation;
*
* GNU LESSER GENERAL PUBLIC LICENSE
* Version 2.1, February 1999
*
* This application is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* The author may be contacted at:
* maurocarniel@tin.it</p>
*
* @author Mauro Carniel
* @version 1.0
*/
public class LoadDocumentVersionAction implements Action {
public LoadDocumentVersionAction() {
}
/**
* @return request name
*/
public final String getRequestName() {
return "loadDocumentVersion";
}
public final Response executeCommand(Object inputPar,UserSessionParameters userSessionPars,HttpServletRequest request, HttpServletResponse response,HttpSession userSession,ServletContext context) {
DocumentVersionVO vo = (DocumentVersionVO)inputPar;
try {
Documents bean = (Documents)JAIOBeanFactory.getInstance().getBean(Documents.class);
String docPath = (String)((JAIOUserSessionParameters)userSessionPars).getAppParams().get(ApplicationConsts.DOC_PATH);
Document document = bean.loadDocumentVersion(vo,((JAIOUserSessionParameters)userSessionPars).getServerLanguageId(),userSessionPars.getUsername(),docPath);
context.setAttribute(document.getDocId(),document.getDoc());
return new VOResponse(document.getDocId());
}
catch (Throwable ex) {
Logger.error(userSessionPars.getUsername(),this.getClass().getName(),"executeCommand","Error while processing request",ex);
return new ErrorResponse(ex.getMessage());
}
}
}