arrays - How to Parse parent-child related JsonArray in JAVA? -


this json text. can "name,surname , books" array. problem books array.and content of books coming in form ;{"title:heresometext",paragraphs{value1:heresometext,value2:heresometext}} array in array. parant-child relation. thing want reach thoose value1,value2,value3 strings seperated.

{"data"   [    "name" : "here text",    "surname" : "here text",    "books" : [    {      "title1" : "here text.",      "paragraphs" : [      {          "value1" : "here text."      },      {          "value2" : "here text."      }      ]    },    {      "title2" : "here text.",      "paragraphs" : [      {          "value3" : "here text.",          "image1" : "here text."      },      {          "value4" : "here text."      },      {          "value5" : "here text."      }      ]    }    ]   ]  }

how can them form, in tree form seperated datas able save them in db. usefull

  name: "here text",    surname: "here text",    books:           - title1 : "here text."               -paragraphs:                   - value : "here text.                   - value : "here text.           - title2 : "here text."               -paragraphs:                   - value : "here text.                   - image : "here text.

we used json.simple in our projects. json parser.

example:

public class jsonparsingexample {   public static void main(string[] args) {     jsonparser parser = new jsonparser();     try {       object obj = parser.parse(new filereader(parser.getclass().getclassloader().getresource("jsondata.json").getfile()));       jsonobject jsonobject = (jsonobject) obj;       jsonobject data = (jsonobject) jsonobject.get("data");       jsonarray books = (jsonarray) data.get("books");       system.out.println(books);       iterator<jsonobject> iterator = books.iterator();       while (iterator.hasnext()) {         jsonobject book = (jsonobject) iterator.next();         system.out.println("this books name " + book.get("name"));         jsonarray paras = (jsonarray) book.get("paras");         iterator<jsonobject> parasi = paras.iterator();         int = 0;         while (parasi.hasnext()) {           jsonobject para = (jsonobject) parasi.next();           para.keyset().foreach(o -> system.out.println(o + "/" + para.get(o)));         }       }     } catch (filenotfoundexception e) {       e.printstacktrace();     } catch (ioexception e) {       e.printstacktrace();     } catch (parseexception e) {       e.printstacktrace();     }   } }

Comments

Post a Comment

Popular posts from this blog

javascript - Using jquery append to add option values into a select element not working -

i'm looking dynamically populate select element names of items stored array. for reason it's not working , i'm not sure why. html: <div class="col-md-4 col-md-offset-4"> <select class="select1"> </select> , <select class="select2"> </select> </div> note i'm using bootstrap layout. here's jquery i'm using try , populate ".select1" jquery: select: function() { $.each(state.greens, function(index, value) { $(".select1").append("<option value =' " + index + " '>" + state.greens[index].name + "</option>"); }); } note function 'select' stored within object called 'display'. state.greens name of array i'm trying access. so @ end of html page call display.select(); call function. no error messages showing in console. also, saw question: appending
Read more

Android soft keyboard reverts to default keyboard on orientation change -

i'm building android soft keyboard , can't seem fix bug - have arabic , qwerty keyboard , when rotate device on qwerty keyboard (or arabic shift), it's if program has "restarted" , becomes arabic keyboard without shift. the onsaveinstancestate(bundle savedinstancestate) not work because application not extend activity inputmethodservice . i put following in android manifest android:configchanges="keyboard|keyboardhidden|orientation" android:windowsoftinputmode="stateunchanged|adjustresize"> i tried using @override public void onconfigurationchanged(configuration newconfig) { super.onconfigurationchanged(newconfig); log.i(mydebug, "config changed " + currentkeyboard.equals(qwerty)); } however, currentkeyboard.equals(qwerty)) results false , made sure true before orientation change. any appreciated. i think applications fault. if application restarting on orientation change
Read more

Rendering JButton to get the JCheckBox behavior in a JTable by using images does not update my table -

i rendering jbutton image on simulate jcheckbox behavior. why don't let jtable render jcheckbox? because need bigger checkboxes , there's no way can resize them (as far know). so, have own table cell renderer , editor. both renders jbutton , checkbox images on them. trying change image checked image unchecked image (or vice versa) , update cell value (boolean true or false). however, reason, getcelleditorvalue() not update table. so, release mouse, value goes original one. any appreciated! lot! public class tableexample extends jframe { jscrollpane pane; jpanel panel; jtable table; object[][] data; mytablemodel tm; renderer buttoncolumn; public tableexample(object[][] data) throws ioexception { string[] columns = {"column#1", "column#2", "column#3", "column#4", "column#5", "column#6"}; this.data = data; this.setpreferredsize(new dimension(700, 500));
Read more