How can I upload file in liferay -

upload file in liferay

can 1 me how can upload file in document , media folder using dlfileentry search didn't exact code. how can this. put file controller in jsp file. tries using following code

uploadportletrequest uploadrequest = portalutil.getuploadportletrequest(actionrequest);  string sourcefilename = uploadrequest.getfilename("filename"); system.out.println("file name  " + sourcefilename);  file file = uploadrequest.getfile("filename"); themedisplay themedisplay = (themedisplay) actionrequest.getattribute(webkeys.theme_display); system.out.println("user id " + themedisplay.getuserid() + ": " + themedisplay.getscopegroupid()); long folder_id = 0; long repositoryid = themedisplay.getscopegroupid(); long parentfolderid = dlfolderconstants.default_parent_folder_id; list<folder> lfolder = dlappserviceutil.getfolders(repositoryid, parentfolderid); (folder folder : lfolder) {     system.out.println(lfolder);     system.out.println(folder.getfolderid()); }  //servicecontext servicecontext = servicecontextfactory.getinstance(actionrequest); servicecontext servicecontext = servicecontextfactory.getinstance(fileentry.class.getname(), actionrequest); system.out.println("hello"); long defaultrepoid = dlfolderconstants.getdatarepositoryid(themedisplay.getscopegroupid(),dlfolderconstants.default_parent_folder_id);  dlfileentry dlfileentry=dlfileentrylocalserviceutil.addfileentry(themedisplay.getuserid(),themedisplay.getscopegroupid(), defaultrepoid, 12518, sourcefilename, mimetypesutil.getcontenttype(file), "filetitle", "filedesc", "sss",0,null,file,null,file.length(),servicecontext);  dlfileentrylocalserviceutil.updatefileentry(themedisplay.getuserid(), dlfileentry.getfileentryid(), sourcefilename, mimetypesutil.getcontenttype(file), "filetitle", "filedesc", "comment", true, dlfileentry.getfileentrytypeid(), null,file, null, file.length(), servicecontext); 

but didn't success.

can 1 copy paste code here please?

thanks in advance

in case stumbles across this:

upload_file.jsp:

<%@ taglib uri="http://java.sun.com/portlet_2_0" prefix="portlet" %> <%@ taglib uri="http://liferay.com/tld/aui" prefix="aui" %>  <portlet:defineobjects />  <portlet:actionurl name='uploadfile' var="uploadfileurl" windowstate="normal" />  <aui:form action="<%= uploadfileurl %>" method="post" name="fm" enctype="multipart/form-data">   <aui:fieldset>      <aui:input type="file" name="file-to-upload"/>      <aui:button-row>       <aui:button type="submit" />     </aui:button-row>    </aui:fieldset> </aui:form> 

myportlet.java:

public class myportlet extends mvcportlet {  //action method public void uploadfile(actionrequest request, actionresponse response)         throws exception {      uploadportletrequest uploadrequest          = portalutil.getuploadportletrequest(request);      servicecontext servicecontext = servicecontextfactory.getinstance(             myportlet.class.getname(), uploadrequest);      this.uploadfileentity(servicecontext, uploadrequest);      response.setrenderparameter("mvcpath", "/html/view.jsp"); }  // create folder called "a_folder" in documents & media private void uploadfileentity(servicecontext servicecontext,          uploadportletrequest request)                  throws portalexception, systemexception {      string filename = "";     string description = "file description";      try{          // servicecontext.scopegroupid groupid of site         long repositoryid = dlfolderconstants.getdatarepositoryid(             servicecontext.getscopegroupid(),              dlfolderconstants.default_parent_folder_id);           folder f = dlapplocalserviceutil.getfolder(             repositoryid, 0l, "a_folder");         long folderid = f.getfolderid();           file file = request.getfile("file-to-upload");         filename = request.getfilename("file-to-upload");         string mimetype =  mimetypesutil.getcontenttype(file);          fileentry entry = dlapplocalserviceutil.addfileentry(servicecontext.getuserid(),                  repositoryid, folderid, filename,                  mimetype, filename, description, "",                  file, servicecontext         );        }catch(portalexception e){         _log.error("an exception occured uploading file: "                  + e.getmessage());         throw e;     }catch(systemexception e ){         _log.error("an exception occured uploading file: "                  + e.getmessage());         throw e;     } }  private static log _log = logfactoryutil.getlog(myportlet.class); }