public static void sendFile(PortletRequest portletRequest, PortletResponse portletResponse)
throws IOException {
long groupId = ParamUtil.getLong(portletRequest, "groupId");
String articleId = ParamUtil.getString(portletRequest, "articleId");
String targetExtension = ParamUtil.getString(portletRequest, "targetExtension");
PortletPreferences portletPreferences = portletRequest.getPreferences();
String[] allowedExtensions = StringUtil.split(portletPreferences.getValue("extensions", null));
String languageId = LanguageUtil.getLanguageId(portletRequest);
PortletRequestModel portletRequestModel =
new PortletRequestModel(portletRequest, portletResponse);
ThemeDisplay themeDisplay = (ThemeDisplay) portletRequest.getAttribute(WebKeys.THEME_DISPLAY);
HttpServletRequest request = PortalUtil.getHttpServletRequest(portletRequest);
HttpServletResponse response = PortalUtil.getHttpServletResponse(portletResponse);
JournalArticleDisplay articleDisplay =
JournalContentUtil.getDisplay(
groupId, articleId, null, "export", languageId, 1, portletRequestModel, themeDisplay);
int pages = articleDisplay.getNumberOfPages();
StringBundler sb = new StringBundler(pages + 12);
sb.append("<html>");
sb.append("<head>");
sb.append("<meta content=\"");
sb.append(ContentTypes.TEXT_HTML_UTF8);
sb.append("\" http-equiv=\"content-type\" />");
sb.append("<base href=\"");
sb.append(themeDisplay.getPortalURL());
sb.append("\" />");
sb.append("</head>");
sb.append("<body>");
sb.append(articleDisplay.getContent());
for (int i = 2; i <= pages; i++) {
articleDisplay =
JournalContentUtil.getDisplay(groupId, articleId, "export", languageId, i, themeDisplay);
sb.append(articleDisplay.getContent());
}
sb.append("</body>");
sb.append("</html>");
InputStream is = new UnsyncByteArrayInputStream(sb.toString().getBytes(StringPool.UTF8));
String title = articleDisplay.getTitle();
String sourceExtension = "html";
String fileName = title.concat(StringPool.PERIOD).concat(sourceExtension);
String contentType = MimeTypesUtil.getContentType(fileName);
if (Validator.isNull(targetExtension)
|| !ArrayUtil.contains(allowedExtensions, targetExtension)) {
ServletResponseUtil.sendFile(request, response, fileName, is, contentType);
return;
}
String id =
DLUtil.getTempFileId(
articleDisplay.getId(), String.valueOf(articleDisplay.getVersion()), languageId);
File convertedFile = DocumentConversionUtil.convert(id, is, sourceExtension, targetExtension);
if (convertedFile != null) {
fileName = title.concat(StringPool.PERIOD).concat(targetExtension);
is = new FileInputStream(convertedFile);
}
ServletResponseUtil.sendFile(request, response, fileName, is, contentType);
}
