AttachmentDownloadController.java
/*
* This software was designed and created by Jason Carroll.
* Copyright (c) 2002, 2003, 2004 Jason Carroll.
* The author can be reached at jcarroll@cowsultants.com
* ITracker website: http://www.cowsultants.com
* ITracker forums: http://www.cowsultants.com/phpBB/index.php
*
* This program is free software; you can redistribute it and/or modify
* it only under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*/
package org.itracker.web.servlets;
import org.apache.log4j.Logger;
import org.apache.struts.action.ActionErrors;
import org.apache.struts.action.ActionMessage;
import org.apache.struts.action.ActionMessages;
import org.itracker.model.IssueAttachment;
import org.itracker.services.IssueService;
import org.itracker.web.util.LoginUtilities;
import org.itracker.web.util.ServletContextUtils;
import javax.servlet.ServletConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
/**
* @deprecated Use org.itracker.web.actions.admin.attachment.DownloadAttachmentAction instead.
*/
public class AttachmentDownloadController extends GenericController {
private static final Logger logger = Logger.getLogger(AttachmentDownloadController.class);
/**
*
*/
private static final long serialVersionUID = 1L;
public AttachmentDownloadController() {
}
public void init(ServletConfig config) {
}
public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
ServletOutputStream out = null;
try {
IssueService issueService = ServletContextUtils.getItrackerServices().getIssueService();
Integer attachmentId = null;
IssueAttachment attachment = null;
try {
attachmentId = new Integer((request.getParameter("id") == null ? "-1" : (request.getParameter("id"))));
attachment = issueService.getIssueAttachment(attachmentId);
} catch (NumberFormatException nfe) {
if (logger.isDebugEnabled()) {
logger.debug("Invalid attachmentId " + request.getParameter("id") + " specified.");
}
}
if (attachment == null) {
ActionErrors errors = new ActionErrors();
errors.add(ActionMessages.GLOBAL_MESSAGE, new ActionMessage("itracker.web.error.invalidattachment"));
saveMessages(request, errors);
forward("/error.do", request, response);
return;
}
if (!LoginUtilities.canViewIssue(attachment.getIssue())) {
forward("/unauthorized.do", request, response);
return;
}
byte[] fileData = issueService.getIssueAttachmentData(attachmentId);
if (fileData == null) {
ActionErrors errors = new ActionErrors();
errors.add(ActionMessages.GLOBAL_MESSAGE, new ActionMessage("itracker.web.error.missingattachmentdata"));
saveMessages(request, errors);
forward("/error.do", request, response);
return;
}
response.setContentType(attachment.getType());
response.setHeader("Content-Disposition", "attachment; filename=" + attachment.getOriginalFileName() + "");
out = response.getOutputStream();
logger.debug("Displaying attachment " + attachment.getId() + " of type " + attachment.getType() + " to client. Attachment size: " + fileData.length);
out.write(fileData);
} catch (IOException ioe) {
logger.info("Unable to display attachment.", ioe);
} catch (Exception e) {
logger.error(e.getMessage(), e);
} finally {
if (out != null) {
out.flush();
out.close();
}
}
}
}