@Override
public void forwardToUrl(SectionInfo info, String link, int code)
{
info.setRendered();
try
{
HttpServletResponse response = info.getResponse();
if( response == null )
{
throw new Error("info not bound to a request/response");
}
response.setStatus(code);
response.setHeader("Location", link);
response.flushBuffer();
}
catch( Exception e )
{
throw Throwables.propagate(e);
}
}
============================================
Example 2
protected void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
String filename = request.getParameter("file");
response.setContentType("application/octet-stream");
response.setHeader("Content-Disposition", "attachment; filename=" + filename);
ViewerHtmlHandler handler = Utils.createViewerHtmlHandler();
InputStream original = null;
try {
original = handler.getFile(filename).getStream();
} catch (Exception x) {
throw new RuntimeException(x);
}
Utils.writeToResponse(original, response);
}
====================================================================
Example 3
public void exportProjectBackupFile(HttpServletRequest req, HttpServletResponse resp) throws Exception {
String path=req.getParameter("path");
String projectPath=Utils.decodeURL(path);
if(StringUtils.isEmpty(projectPath)){
throw new RuleException("Export project not be null.");
}
SimpleDateFormat sd=new SimpleDateFormat("yyyyMMddHHmmss");
String projectName=projectPath.substring(1,projectPath.length());
String filename=projectName+"-urule-repo-"+sd.format(new Date())+".bak";
resp.setContentType("application/octet-stream");
resp.setHeader("Content-Disposition", "attachment; filename=\"" + new String(filename.getBytes("utf-8"),"iso-8859-1") + "\"");
resp.setHeader("content-type", "application/octet-stream");
OutputStream outputStream=resp.getOutputStream();
repositoryService.exportXml(projectPath,outputStream);
outputStream.flush();
outputStream.close();
}
=========================================================================
Example 4
private void downloadWorkflowDescription(HttpServletResponse response, String workflowName) throws ServletException {
try {
String xml = injector.getInstance(WfDefinitionService.class).fetchWfDefinition(workflowName);
PrintWriter writer = response.getWriter();
response.setContentType("application/force-download");
response.setContentLength(xml.length());
response.setHeader("Content-Transfer-Encoding", "UTF-8");
response.setHeader("Content-Disposition", "attachment; filename=\"" + workflowName + ".oswf.xml\"");
BufferedReader reader = new BufferedReader(new StringReader(xml));
String line;
while((line = reader.readLine()) != null) {
writer.print(line);
writer.print("\n");
}
} catch (Exception exception) {
throw new ServletException(exception);
}
}
============================================================================
Example 5
@SuppressWarnings("unchecked")
private void writeJson(HttpServletResponse response, Map<String, Object> sessionParams) throws ServletException {
try {
JSONObject json = new JSONObject();
json.putAll(sessionParams);
response.setContentType("application/json");
response.setHeader("Cache-Control", "no-cache");
if (log.isTraceEnabled()) {
log.trace("Responding with: " + json.toJSONString());
}
response.getWriter().write(json.toJSONString());
} catch (IOException e) {
throw new ServletException("Could not create json.", e);
}
}
===========================================================================
Example 6
public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
String idStr = request.getParameter("id");
if (idStr != null) {
Long id = Long.valueOf(idStr);
LocationPicture picture = null;
if (id >= 0) {
picture = LocationPictureDAO.getInstance().get(id);
} else {
Map<Long, LocationPicture> temp = (Map<Long, LocationPicture>)request.getSession().getAttribute(TEMP_ROOM_PICTURES);
if (temp != null)
picture = temp.get(id);
}
if (picture != null) {
response.setContentType(picture.getContentType());
response.setHeader( "Content-Disposition", "attachment; filename=\"" + picture.getFileName() + "\"" );
OutputStream out = response.getOutputStream();
out.write(picture.getDataFile());
out.flush();
} else {
new ServletException("Room picture of the given id does not exist.");
}
}
new ServletException("No room picture id provided.");
}
===========================================================================
example 7
**
* Enables CORS (Cross-origin resource sharing) for the servlet;
*
* @param response
*/
private void setCors(HttpServletResponse response) {
response.setHeader("Access-Control-Allow-Origin", "*");
response.setHeader("Access-Control-Max-Age", "3600");
response.setHeader("Access-Control-Allow-Credentials", "true");
response.setHeader("Access-Control-Allow-Headers", "x-requested-with, Authorization");
}
========================================================================
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