How to Display an Image in PDF, which is retrieved from MySql Database :JSP and iText -


i have stored image in mediumblob in mysql. want retrieve image , put in itext pdf.

i have manange work out blob datatype. doesnt work medium blob.

after have retrieved image , stored in blob datatype. after tried convert bytes. 

    httpsession session=request.getsession();     string name="";     string birthdate="";     string address="";     string gender="";     string doctor="";     string disease="";     string pregnant="";     string nursing="";     string pan="";     string smoking="";     string allergies="";     string medicines="";     string treatment="";         string email=session.getattribute("email").tostring();         session.setattribute("email",email);     blob image0 = null;         blob image1 = null;         blob image2 = null;         blob image3 = null;         blob image4 = null;          byte[] imagebytes = null;         byte[] imagebytes1= null;         byte[] imagebytes2= null;         byte[] imagebytes3= null;         byte[] imagebytes4= null;      try     {          class.forname("com.mysql.jdbc.driver");         connection con = drivermanager.getconnection("jdbc:mysql://localhost:3306/dentistree","root", "tiger");         statement st = con.createstatement();         statement st1 = con.createstatement();         statement st2=con.createstatement();          resultset rs;         resultset rs1;         resultset rs2;          string query="select * patient email='"+email+"'";         string query1="select * casehistory email='"+email+"'";         string query2="select * sessionmedia email='"+email+"'";          rs=st.executequery(query);         rs1=st1.executequery(query1);         rs2=st2.executequery(query2);         while(rs.next())         {             name=rs.getstring(1);             birthdate=rs.getstring(3);             address=rs.getstring(4);             gender=rs.getstring(6);         }         while(rs1.next())         {             doctor=rs1.getstring(2);             disease=rs1.getstring(3);             pregnant=rs1.getstring(4);             nursing=rs1.getstring(5);             pan=rs1.getstring(6);             smoking=rs1.getstring(7);             allergies=rs1.getstring(8);             medicines=rs1.getstring(9);             treatment=rs1.getstring(10);               if(pregnant.equals("nopreg"))             {                 pregnant="no";             }             else             {                 pregnant="yes";             }             if(nursing.equals("nonuture"))             {                 nursing="no";             }             else             {                 nursing="yes";             }             if(pan.equals("nopan"))             {                 pan="no";             }             else             {                 pan="yes";             }             if(smoking.equals("yessmoke"))             {                 smoking="yes";             }             else             {                 smoking="no";             }          }         while(rs2.next())         {             image0= rs.getblob(3);             image1= rs.getblob(4);             image2= rs.getblob(5);             image3= rs.getblob(6);             image4= rs.getblob(7);          }         imagebytes = image0.getbytes(1, (int) image0.length());         image image00=image.getinstance(imagebytes);         image00.scaleabsolute(300,300);          document document = new document();          pdfwriter.getinstance(document, response.getoutputstream());         image image = image.getinstance("c:\\users\\abhishek\\desktop\\capture.png");          document.open();          document.add(image);         document.add(new paragraph("doctor name:    dr.seema maurya"));         document.add(chunk.newline );         document.add(new paragraph("name:"+"            "+name));         document.add(new paragraph(""));         document.add(new paragraph(""));         document.add(new paragraph("date of birth:"+"  "+birthdate));         document.add(new paragraph(""));         document.add(new paragraph(""));         document.add(new paragraph("address:"+"         "+address));         document.add(new paragraph(""));         document.add(new paragraph(""));         document.add(new paragraph("email-id:"+"        "+email));         document.add(new paragraph(""));         document.add(new paragraph(""));         document.add(new paragraph("gender:"+"          "+gender));         document.add(new paragraph(""));         document.add(new paragraph(""));         document.add(chunk.newline );         document.add(new paragraph("diseases:"+"        "+disease));         document.add(new paragraph(""));         document.add(new paragraph(""));         document.add(chunk.newline );         document.add(new paragraph("pregnant:"+"        "+pregnant));         document.add(new paragraph(""));         document.add(new paragraph(""));         document.add(new paragraph("nursing:"+"          "+nursing));         document.add(new paragraph(""));         document.add(new paragraph(""));         document.add(new paragraph("pan-chewing:"+""+pan));         document.add(new paragraph(""));         document.add(new paragraph(""));         document.add(new paragraph("smoking:"+"         "+smoking));         document.add(new paragraph(""));         document.add(new paragraph(""));         document.add(new paragraph("medicines:"+"       "+medicines));         document.add(new paragraph(""));         document.add(new paragraph(""));         document.add(chunk.newline );         document.add(new paragraph("allergies:"+"       "+allergies));         document.add(chunk.newline );         document.add(new paragraph("session images:"));         document.add(chunk.newline );         document.add(image00);         document.add(chunk.newline );            document.close();     }      catch (documentexception de) {         throw new ioexception(de.getmessage());     }     catch(exception e)     {      } } }


Comments

Post a Comment

Popular posts from this blog

angularjs - ADAL JS Angular- WebAPI add a new role claim to the token -

i have created angular spa webapi backend using adal js authentication.as there no roles in ad, need manually add role claims in order give users access different api controllers. the roles stored in database. expecting inject claim through call webapi after authentication ad. webapi code might this. identity.addclaim(new claim("role", "user")); var ticket = new authenticationticket(identity, props); var accesstoken = startup.oauthbeareroptions.accesstokenformat.protect(ticket); is possible replace adal idtoken new token? is viable solution or there other better way handle this? as initial token generated azuread, possible edit token add new claim? appreciated. graph api supporting group claims. see here: http://justazure.com/azure-active-directory-part-4-group-claims/ if @ examples on page, users assigned groups , app can check group in claims. in current version of portal, need app manifest , modify it.
Read more

node.js - Using Node without global install -

i'm working on few node & electron (atom shell) projects , i'm curious how them work without user having install node globally. i've seen few applications including node directory in project contains node.exe binary. how go setting node project use binary? edit: thought should add, i've searched everywhere answer this, unrelated results.
Read more

php - CakePHP HttpSockets send array of paramms -

i problem when make request (i can request). $link = 'http://uri/path/?param1=1&sid=2&sid=3&sid=4' $http = $httpsocket = new httpsocket(); $res = $httpsocket->get($link); if check request pr($http); i see : [line] => /url/path/?param1=1&sid%5b0%5d=2&sid%5b1%5d=3&sid%5b2%5d=4 http/1.1 and i'm getting empty response because server doesn't know parameters sid%5b0%5d=2 when try send parameters array : $data = array('param1' => '1', 'sid' => array('2','3', '4')); i see same changes %5b0%5d - additional indexes. how fix it? unfortunately , can not change server side, if send request in browser, i'll normal response in json format. when make request, can parameters this: $param1 = $_get['param1']; $sid= $_get['sid']; tip: use diferente names parameters. have multiples sid. use sid1, sid2, sid3... update: can parameters this:
Read more