uploadconfigurationfileaction.java

First of all, the Applet-phone is a SIP User-Agent with audio and text messaging capabilities. But

/*
 * UploadConfigurationFileAction.java
 *
 * Created on October 7, 2003, 5:44 PM
 */
package gov.nist.struts.webapp.upload;

import gov.nist.security.authentication.UserTag;

import java.io.File;
import java.io.InputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.io.FileOutputStream;
import java.io.FileNotFoundException;

import org.apache.struts.upload.FormFile;
import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionForward;

import javax.servlet.http.*;
import javax.servlet.*;

import org.apache.log4j.Logger;
/**
 * This class takes the UploadForm and retrieves the text value
 * and file attributes and puts them in the request for the display.jsp
 * page to display them
 *
 * @author Jean Deruelle
 * @version $Revision: 1.4 $ $Date: 2004/04/21 23:32:51 $
 */
public class UploadConfigurationFileAction extends Action {
    /** log4j logging*/
    static Logger logger = Logger.getLogger(UploadAction.class);
    
    /**
     * @see org.apache.struts.action.Action#perform(org.apache.struts.action.ActionMapping actionMapping, org.apache.struts.action.ActionForm actionForm, javax.servlet.http.HttpServletRequest httpServletRequest, javax.servlet.http.HttpServletResponse httpServletResponse)
     */
    public ActionForward perform(ActionMapping mapping,
                                 ActionForm    form,
                                 HttpServletRequest request,
                                 HttpServletResponse response) {                                     
        //Get the application context                             
        ServletContext applicationContext=this.getServlet().getServletContext();        
        //Get the upload Path name in the session context
        String uploadPath=(String)request.getSession().getAttribute("uploadPath");  
		//Get the user from the session context
		UserTag userTag=(UserTag)request.getSession().getAttribute("user");      
	if (form instanceof UploadForm) {
            UploadForm theForm = (UploadForm) form;
            //retrieve the file representation
            FormFile file = theForm.getTheFile();
            //retrieve the file name
            String fileName= file.getFileName();
            //retrieve the content type
            String contentType = file.getContentType();
            //retrieve the file size
            String size = (file.getFileSize() + " bytes");
            //retrieve the fully qualified name of the user's service main class
            String path=theForm.getPath();
            String pathFile=uploadPath+
							"dump"+
							File.separatorChar+
							path+
							File.separatorChar+
							fileName;  
            logger.info("Writing of the file to the following path : "+pathFile);
            
            //Upload the file
            try {
                //retrieve the file data                
                InputStream stream = file.getInputStream();             
                //write the file to the file specified
                OutputStream bos =null;                                
                bos = new FileOutputStream(pathFile);
                //we upload the file
                int bytesRead = 0;
                byte[] buffer = new byte[8192];
                while ((bytesRead = stream.read(buffer, 0, 8192)) != -1) {
                    bos.write(buffer, 0, bytesRead);
                }
                bos.close();
                //close the stream
                stream.close();
            }
            catch (FileNotFoundException fnfe) {
                logger.debug("FileNotFoundException "+fnfe);
                return mapping.findForward("error");
            }
            catch (IOException ioe) {
                logger.debug("IOException "+ ioe);
                return mapping.findForward("error");
            }           
            //File uploaded            
            //destroy the temporary file created
            file.destroy();
            logger.info("Name of file uploaded : "+pathFile);
			if(userTag.getUserGroup().equals("admin"))
				return mapping.findForward("admin");               
            //return a forward to display.jsp
            return mapping.findForward("monitor");
        }

        //this shouldn't happen
        return null;
    }
}