Java servlet DOM manipulation and html output -

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i trying html elements id in java servlet, , change content , display document. problem got elements , set them (atleast think so), how display in browser, here have done :

@webservlet(description = "profile page", urlpatterns = { "/profile/*" }) public class routeservlet extends httpservlet { private static final long serialversionuid = 1l;  protected void doget(httpservletrequest request,         httpservletresponse response) throws servletexception, ioexception {     response.setcontenttype("text/html");     string uri = request.getrequesturi();     final string start = "/social/profile/";     string userid = uri.substring(start.length());     long id = long.parselong(userid);     //response.getwriter().print(id);     (info j : inforegistry.getinstance().getinfolist()) {         if (j.getid() == id) {             file template = new file("profile-template.html");             documentbuilderfactory factory = documentbuilderfactory.newinstance();             documentbuilder builder;             document doc;             try {                 builder = factory.newdocumentbuilder();                 doc = builder.parse(template);                 doc.getdocumentelement().normalize();                 doc.getelementbyid("head").settextcontent(j.getname());                 doc.getelementbyid("name").settextcontent(j.getname());                 doc.getelementbyid("birth")                         .settextcontent(j.getbirthdate());                 doc.getelementbyid("from").settextcontent(j.getcountry());                 doc.getelementbyid("desc").settextcontent(                         j.getdescription());                 doc.getelementbyid("mail").settextcontent(j.getemail());               } catch (parserconfigurationexception e) {                  e.printstacktrace();             } catch (saxexception a) {                  a.printstacktrace();             }          }     }  }

} there problem, or supposed display html file, set attributes ?

well - need serialize document , send browser. far have code reads file disk , manipulates in memory. in order send browser need serialize , write serialized representation browser using printwriter response.getwriter().

so basic problem servlet doesn't send client.

see this answer details of how implement missing step.


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