Is there any api or something to convert RSS feed to Json?
I used the api rss2json api with restTemplate, it's working fine when you map it with an entity but this one doesn't support multiple requests as it's gets overloaded plus there is no documentation for it or support so if the api goes down so is my app and I couldn't find something similar besides the rome plugin that converts to an object. I want direct conversion to Json.
I'm not sure what you mean by direct conversion to JSON, but you could simply use org.json to convert XML String to JSON String:
String xml = ..
JSONObject jObject = XML.toJSONObject(xml);
String json = jObject.toString();
More discussion here: Converting xml to json using jackson
I finished by using Rome plugin and built my own JSon structure step by step. no better solution so far.
Related
I Want to Return a JSON response from server to client in gRPC.
one possible way is to convert it to string return the response then convert back to Json Object in client side, but i want to know can we do better?.
i am doing some google and found we can do it with the help of google.protobuf.struct
but didn't actually find any good example.
i want an example how i can use it as JSON in java.
If you are using proto3, one option is to define a protobuf message that mirrors the JSON object you wish to populate. Then you can use JsonFormat to convert between protobuf and JSON.
Using a com.google.protobuf.Struct instead of a self-defined message can also work. There is an example shown in the similar question.
I want to convert XML to JSON in Java but most of the answers focus on converting all tags in XML to JSON. But my requirement is to skip some of the tags and convert remaining tags to JSON. Any help would be appreciable.
I have tried XML.toJSONObject(String); method from the org.json package but it does not suggest any way to skip some tags.
if you are using gson simply using remove api in JsonObject under com.google.gson
lets suppose we have test attribute in your model that you do not want to display,
JsonObject jsonObj;
jsonObj.remove("test");
You will be having the json object without test attribute.
I have n object whose properties are being sent to a front end using REST protocols. There the object is taken in as an XML file and then parsed to JSON using JSON.parser. Now my target is to save this JSON file for some specified time on the disk. I tried serializing the object and storing it but it gets stored in binary/hex format. I need it to be in xml or JSON format.
Can anybody help me with this ?
Front-end is in JavaScript and the back-end is in Java.
Why you need to save JSON file on client side disk, it is not recommended practice. Rather you should use HTML5 web storage.
are you using JSON.simple? if so, there are several examples on their page for converting a string to json and back. in this case you already have a deserialized object so you would just need to serialize it to a string see https://code.google.com/p/json-simple/wiki/DecodingExamples
if you have your json object as a map you can
String jsonString = JSONValue.toJSONString(json);
or if it is already a JSONObject then simply
String jsonString = json.toJSONString();
then write the jsonString to your .json file.
FileWriter file = new FileWriter("/path/to/file.json");
file.write(jsonString);
file.flush();
file.close();
apologies if that is not the library you are using.
I am new to REST , JSON and Jersey usage. Now we got a requirement where we need to implement a Client which need need to query the server with JSON request, GET and going to receive a JSON String/Object, which need to be parsed and converted into local datastructure.
Could someone help me for the below points?
What I need to download for implementing REST Client application for supporting JSON ( we have restrictions to use Jersey apis, and no other third-party apis)
Sample java client code for requesting and parsing the JSON data.
"What do I need ?", It really depends of the technology you want to use with it .. eg, if you use glassfish (netbeans server), you can use their jersey "org.glassfish.jersey.jackson.JacksonFeature" as json provider and the other ressources glassfish includes. You won't need anything else for a simple implementation.
As you are a beginner, you better follow a tutorial like this one : http://java.dzone.com/news/simple-restful-web-services
If you want to convert String to a JSONObject -
Use this library - http://www.json.org/java/
JAR file is available at http://code.google.com/p/org-json-java/downloads/list
Use below code to convert a string to JSONObject -
JSONObject final_result = new JSONObject(result);
I am trying to port this bit of Python code to Java http://www.bemasher.net/archives/1002 (scroll down to the bottom for the code)
But because everything is dynamically typed, I'm having difficulty porting this. I need to be able to use a Java implementation of Pythons json. Right now I'm using gson ( http://code.google.com/p/google-gson/ ), but I'm open to anything.
Neither of gson's fromJson's signatures
public <T> T fromJson(String json, Class<T> classOfT) throws JsonParseException
public <T> T fromJson(String json, Type typeOfT) throws JsonSyntaxException
match Pythons
data = json.loads(response)
This is the JSON that I am trying to read: http://www.ows.newegg.com/Stores.egg/Categories/1
How would I go about getting the class or type of the JSON above and read through it? All the other examples I've seen you have to know what it is.
Thanks!
It basically fetches http://www.ows.newegg.com/Stores.egg/Menus and dumps its contents to a string (response), then it parses the JSON using json.loads() and puts that into data.
Then it will iterate through the contents of data and build a HTML list using lxml. The list itself should look like:
<ul>
<li>{StoreTitle}</li>
...
</ul>
Where {StoreID} and {StoreTitle} are the IDs and titles fetched and parsed from that URL.
References: urllib2, json, lxml
I forgot to mention that I was using Google Web Toolkit - sorry about that. I went ahead and accepted #NullUserException 's answer though I'm writing this for anyone else who may come across this.
When converting this from Python to the Java (GWT) equivalant, I found that there was already support in GWT for JSON, and even better it works on the client side saving trips to the server. (source: JSON GWT API)
To keep thoe code clean I am using a wrapper for it that can be found on Google Code here.