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I'm using GWT as web development framework. I need to access some REST services from my GWT client code. Also I need to parse JSON (or maybe XML) which is response format of these services. Which is the best way for this problem?
Thanks in advance.
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Step #1 – Enter the URL of the API in the textbox of the tool. Step #2 – Select the HTTP method used for this API (GET, POST, PATCH, etc). Step #3 – Enter any headers if they are required in the Headers textbox. Step #4 – Pass the request body of the API in a key-value pair.
You can definitely interact with RESTful web services by using URLConnection or HTTPClient to code HTTP requests. However, it's generally more desirable to use a library or framework which provides a simpler and more semantic API specifically designed for this purpose.
RestyGWT is a GWT generator for REST services and JSON encoded data transfer objects.
You can call REST services using the standard GWT RequestBuilder (or JsonpRequestBuilder if you need to call services on another domain).
With the JSON response string, you can call JSONParser.parseStrict(jsonString) to get a JSONValue, which can be a JSONObject, JSONArray, etc. This is all available in this package.
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