Java Http POST ajax equivalent for sending structured data JSON

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I usually use $.ajax to send my application data to my WebService, as following:

$.ajax({
            type: "POST",
            url: server + "/fosco/set", 
            data: {   
                "page":"0",
                "requestType":"DataSet",
                "dataset":createClientJSONObject(),
                "params":"[]"
            },
            headers: {
                    'Content-Type': 'application/x-www-form-urlencoded',
                    'User-Id' : localStorage.getItem("USER_ID")
            },
            success: SuccessSetData

Now, I'm using the same WebService for my Java Application, so I wonder the equivalent code to send it as Java Application, using HTTP POST. I started something like following, but don't work:

String url = "http://localhost/service/index.php/fosco/set";
        String returnBody = "";
        Gson gson = new Gson();
        Client fc = new Client();
        try {
            HttpRequest httpRequest = new HttpRequest();
            Hashtable<String, String> params = new Hashtable<String, String>();
            params.put("page", "0");
            params.put("requestType", "DataSet");
            params.put("dataset", gson.toJson(new Client()));
            params.put("params", "[]");
            returnBody = httpRequest.post(url,
                    params);

I have debugged my PHP WebService and it show different datasets, it shows JAVA Application dataset as one entire String, but $.ajax as an structured JSON Object. And it doesn't work with JAVA Code.

Question: How to port a $.ajax POST like mine above, as a Java Http POST?

asked 8 mins ago

spucktek

123

Java Http POST ajax equivalent for sending structured data JSON