How To Parse Json In Java
Aug 21, 2014
I am trying to learn how to parse a Json with java. So I have this code
import java.net.*;
import java.io.*;
public class test2 {
public static void main(String[] args) throws Exception {
[Code] .....
and it has this output
{
"response": {
"version":"0.1",
"termsofService":"http://www.wunderground.com/weather/api/d/terms.html",
"features": {
"conditions": 1
[code]...
How do I turn this information into java objects?
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May 17, 2014
I have written my program result into a json file but i am getting json file in below format.
{"one":"one","two":"two","three":"three"}
but I have lot of entries to write into json finally it become unreadle format which is not very compart to read.
Is there any way to format or writing line by line into json file like below format,
{
"one":"one",
"two":"two",
"three":"three"
}
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Apr 15, 2015
I'm trying to pull the authors from this Json object but I'm having issues trying to pull the author only, I'm only able to get a huge string which is a valid JSON object i tested it in [URL]
private class RunSearch extends AsyncTask<String, Void, String> {
private Exception e;
protected String doInBackground(String ...query){
[Code].....
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Feb 7, 2014
I want to parse a java file (i.e., I need write some code which understand the content of a given java file--> the name of this java file will be entered as input). Then, after my code understand the content of the given java file, map this java file into another target language or platform. the output from my code is the new file which can run on the target language or platform.in the current state, I want to write some code which can understand a java file and can parse its content and display it on the console.
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Jul 28, 2014
I'm just starting out with learning how to process/parse XML data in Java, following online code/tutorials. I am currently only printing out "catalog."
XML File that I'm trying to read: URL...
import java.io.*;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
[code]...
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Apr 24, 2014
I will be developing a change and would like to know how can i parse a mail header in OBPM using java.
I want to get the message id, date and time the email recieved and email size.
Our code is already fetching the attachment of the email using the following syntax.
mailAttachments = mail.attachments;
I tried creating a variable like mailHeaders = mail.headers, would you know how can i get the details i want by parsing the variable? so far I wasn't able to check what mail.headers return as i'm currently having issues running our code locally due to DB connections.
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Sep 29, 2014
I have a flat file (.txt) with contents in a predefined format. I need to parse and look for a particular content and update it. How can i achieve this using Java.
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Jan 5, 2014
reading a large json file which is really huge and it contains pair of id and URL in a array as shown below.. i need to get this all id and URL from this file in my java code and need to perform operations . how to read such a big file and store the contents in java code to process it further.
{
"Array": [
{
"id": "1test",
"URL": "http://servername/test/1test.html"
},
{
"id": "2test",
"URL": "http://servername/test/2test.html"
}
....................many id and URL in the same Array which makes the file Huge..
]
}
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Sep 9, 2014
How can I convert JSON string to HashMap. My JSON string is like
{
"AvailableDeliveries": {
"500": {
"code": "INOFFICE",
"desc": "In Office",
"id": 500,
[code]....
I looked on other examples which have collection of object but I have this extra top level object "AvailableDeliveries" not sure how to handle that level.
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Oct 30, 2014
I will detailedly explain my requirement below,. I am going to automate a manual process. I will be reading multiple CSV files from a remote location using java.There are five formats of input files are expected, each differs in their header structure. For example, Type 1 - Number, ID, Name, Phone, Address...Type 2 - Number, GID, Employee Name, Address1, Address2, Phone number and so the other three types are also differs.
The precondition is not all the files are expected for a particular run. I need to read these files one by one, validate it, log the validation error and i have to consolidate all the correct data from all the files together in a standard output format, in a single file The standard output format will be like,Number, Name, ID, Address
I need to have the above data alone in the output file and rest of the data can be ignored.What i have tried is as follows, I have created 5 bean classes representing each type's header. I just read an input, identify its type and parsed it. I parsed line by line.
public String[] parseCSV(String inputLine){
try {
String[] fields;
Pattern p =
Pattern.compile(",(?=([^"]*"[^"]*")*(?![^"]*"))");
fields = p.split(inputLine);
/*for ( int i = 0; i < fields.length; i++ ) {
System.out.println(fields[i]);
}*/
[code]...
I have validated as per the validation rules and i appended each line elements into an object. I have added all the objects in to a MAP collection. Likewise, i have created 5 beans and did the same.But, what is the change needed now is,. All the headers in all the five types of rosters are configurable items. hence, i have to change my bean classes everytime when the header structures are changed.
We have to create one single utility, which is configurable for all the five types of input files. To be very clear, if type 1 input comes with 8 columns and type 3 comes with 12 columns, the utility is able to parse it.
We are going to have a table which has the data regarding the header structure of all the five types of inputs alone. Once i read a file and identify its type, i will hit the database and read the header structure of that particular type and its column count. I will match the column count with the input file's header count and i will have to proceed creating a bean class on runtime depending upon the header structure read now. I will validate and consolidate as i did above. The requirement is, Runtime configuration of bean class, depending upon the type of input.
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Aug 14, 2014
I want to read json file as follow;
{
"M": {
"row": [
{
"col1": "c00"
},
{
"col1": "c10",
"col2": "c11"
},
{
"col1": "c20",
"col2": "c21",
"col3": "c22"
}
]
}
}
Next to reading I need to assign to two dimensional array, but without giving "col1","col2","col3" a lot.
The array is for example, Array[3][] = {{"c00"},{"c10","c11"},{"c20","c21","c22"}};
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Jul 10, 2014
I'm learning about inheritance and on this problem I first have to create a class where I get/set methods and get user input for the data fields.
I suppose I should know it at this point but I don't know how to get the users name when they input it. I copied the whole code but the issue is at line 51.
import javax.swing.JOptionPane;
public class Order {
private String customerName;
private int customerNumber;
private int quantityOrdered;
private double unitPrice;
private double totalPrice;
[Code] .....
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Aug 8, 2014
I have date in string ex: 2014-08-08T17:38:58.316+05:30 and want to convert into 2014/08/08 17:38:58. I am using below code :
String date1="2014-08-08T17:38:58.316+05:30";
SimpleDateFormat formatter, FORMATTER;
formatter = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSS'Z'");
String oldDate = "2011-03-10T11:54:30.207Z";
Date date = formatter.parse(oldDate.substring(0, 24));
FORMATTER = new SimpleDateFormat("dd-MMM-yyyy HH:mm:ss.SSS");
System.out.println("OldDate-->"+oldDate);
System.out.println("NewDate-->"+FORMATTER.format(date));
this giving me required value, but when i replace oldDate with date1 it shows me exception that not parse to date. Actually i am getting date in string of 2014-08-08T17:38:58.316+05:30 which i need to convert into date 2014/08/08 17:38:58. To convert into date i am using below code :
SimpleDateFormat simpleDateFormat = new SimpleDateFormat("dd/M/yyyy hh:mm:ss");
Date datecomp1 = simpleDateFormat.parse(String );
The issue is to convert 2014-08-08T17:38:58.316+05:30 into 2014/08/08 17:38:58.
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Apr 18, 2015
I am trying to parse a date, I get this error:
GRAVE: null
java.text.ParseException: Unparseable date: "04/01/1983"
at java.text.DateFormat.parse(DateFormat.java:366)
When my code for parsing is:
SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd",Locale.ENGLISH);
dateFrom = new java.sql.Date(formatter.parse(from).getTime());
When from is "04/01/1983" and dateFrom is Date ( java.sql.Date;)
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Jan 23, 2014
I am new to java. is there any possibility to store parse tree in database such as mqsql, oracle, etc. My requirement is [URL] ..... I found some code about generating parse tree. my next step is store that tree in database.
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Jun 18, 2014
Need code logic or regex to get substring between two different delimiters and then parse it into Integer array.
My Input String is : Transmitter#MSE14_REC_FTP40 #138^TPPurgeUility_test #103^YUG_Trans #57^
Output (ie. substring between "#" and "^")
138
103
57
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May 31, 2014
PHP Code:
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@page import="Javabean.Articolo"%>
<%@page import="java.util.ArrayList"%>
<%@page contentType="text/html" pageEncoding="UTF-8"%>
[Code] .....
I'm using Netbeans with glassfish server 4. When i try to launche the web page, i see that "nome" is not printed... Why? My older projects that uses EL, still works fine, while this wont' parse the syntax... why??
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Oct 29, 2014
I'm working on a method that would parse the value of the array of object that I passed through a parameter. I would like to ask if making Object as a parameter is doable. Let's say I have a class Student and Teacher. I created a class the would handle the sched and name it class Schedule and extend this class to the Student and Teacher. Now I want to have a function that will accept an array of Schedule from either Student and Teacher, what ever object I will pass in the parameter. I know its easy to just make a method with a separate parameter of my classes but im looking for a more dynamic code.
class Student extends Schedule{
//variables here for student
}
[code]
class Teacher extends Schedule{
//variables here for teacher
}
[/code]
private void parseObject(ArrayList<Object> objct){
Schedule temp = objct.get(0);
//there is no error in this part
}
Now when i will try to use the function and pass a data, it will not accept since my parameter should be an array of object. How would I twist dis one?
ArrayList<Student> temp_student = new Array....
parseObject(temp_student); // it will not accept my parameter, how would i make it as an object
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Mar 29, 2014
I have JSON which as response from third party server,i call the URL and i want to print in browser as json but it is not display browser also display well in console i post my code here
URL url = new URL ("http://api.rottentomatoes.com/api/public/v1.0/movies/770672122.json?apikey=qpdtfwugwbxt32awk8jvwcdq");
URLConnection uconn = url.openConnection();
BufferedReader in = new BufferedReader(new InputStreamReader(uconn.getInputStream()));
String line=null;
while ((line = in.readLine()) != null) {
System.out.println(line); }
output in browser
============
The XML page cannot be displayed / Cannot view XML input using style sheet. correct the error and then click the Refresh button, or try again later.
XML document must have a top level element. Error processing resource '[URL] ......'. and also The XML page cannot be displayed Cannot view XML input using style sheet. Please correct the error and then click the Refresh button, or try again later.
A semi colon character was expected. Error processing resource '[URL] ....'. Line 10, Posi...
"canonicalUrl": "/v1/products?format=json&apiKey=9uvqqsjvwxc4c4ferw922k7k",
like error showing
output in console:
{"total":19,"movies":[{"id":"771312513","title":"Captain America: The Winter Soldier","year":2014,"mpaa_rating":"PG-13","runtime":136,"critics_consensus":"Suspenseful and politically astute, Captain America: The Winter Soldier is a superior entry in the Avengers canon and is sure to thrill Marvel diehards.","release_dates":{"theater":"2014-04-04"},"ratings":{"critics_rating":"Certified Fresh","critics_score":94,"audience_score":99},"synopsis":"Steve Rogers continues his journey as the super-powered American soldier who's grasping to find his place in a modern world after being frozen in ice....
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Sep 18, 2014
So I would like to get information out of a web-API. But my question is how I do this. I guess I need to read the URL first. And parse it after but what is the best way?
For example : [URL] .....
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Aug 27, 2014
I would like some clarification on a project I am working on. I need to build a java application to query a xml and json file. I have started by parsing both documents and I am unsure if I am doing the next steps correct. I was thinking about dropping the txt file with both outcomes into a db and doing it that way, is this the right way or is there a better and more efficient way of doing things ?
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Mar 6, 2015
i'm sending soap request but i'm getting html response it is leading to crash! how to parse html response?
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Apr 24, 2015
I am looping through data in Android, using Parse data. I came up with this as a way to get user information; the larger goal is to create a model of data that I can use in an array adapter, so I can create a custom list view (as described here [URL] .... In the example, the data are hard-coded, not pulled from a database.
public static ArrayList<Midwifefirm> getUsers() {
//Parse data to get users
ParseQuery<ParseUser> query = ParseUser.getQuery();
query.orderByAscending(ParseConstants.KEY_PRACTICE_NAME);
query.findInBackground(new FindCallback<ParseUser>() {
[Code] ....
The intention is that for every user that does not have the type patient, collect this data about them, then store it in the arrayList.
On the return statement, though, there is an error: cannot return a value from a method with a void return type.
I may be over complicating this...read through various sources to get a model for this...in the end, I want to display a list of information about specific users, after the user makes a selection of a city...it would therefore display all the information about the medical practices in that city.
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Oct 5, 2014
@RequestMapping(value = { "/mapping" }, method = RequestMethod.GET)
@ResponseBody
public Map<A, List<B>> getAsByB(HttpServletRequest httpRequest) {
return map;
}
when i try to get it by url i get an error. how can i send a response of a map as a json ?
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Aug 21, 2014
I have a JSON string
Java Code: {
"AvailableDeliveries": {
"500": {
[Code]....
Number of JSON object can vary. I tried to generate POJO from jsonschema2pojo but it generate fix number of object inside AvailableDeliveries class. How I can define a POJO with collection of object and map corresponding field for above JSON string. I can't change the structure of JSON response as I am consuming the string.
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Dec 30, 2014
Please find below my JSON object ,how can we split
[
{"alpha2Code":"AF",
"alpha3Code":"AFG",
"altSpellings":"AF,Afganistan",
"area":652230.0,
"callingcode":"93",
"capital":"Kabul",
"currency":"AFN",
"gini":27.8,
[code]....
I need it should be split & Write Java code by JSONArray and JSONObject
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