HTTP发布JSON Java

Question

I'm trying to post some json data using a http post method within my android application however i cannot seem to get it to work, the string is building fine and it works if i test using google chrome addon advanced rest client. I'm not the strongest with JSON hence why it is a string and not a JSON object. The Post request does not execute. Thanks in advance

    String json = "{\"data\": [";
for (String tweet : tweetContent)
{
    json = json + "{\"text\": \"" + tweet + "\", \"query\": \"" + SearchTerm + "\", \"topic\": \"movies\"},";
}
json = json.substring(0, json.length() - 1);
json = json + "]}";

Log.i("matt", json);





// Create a new HttpClient and Post Header
HttpClient httpclient = new DefaultHttpClient();
HttpPost httppost = new HttpPost("http://www.sentiment140.com/api/bulkClassifyJson?appid=matt-43@hotmail.com");

StringEntity entity = new StringEntity(json, HTTP.UTF_8);


httppost.setEntity(entity);

    // Execute HTTP Post Request
    HttpResponse response = httpclient.execute(httppost);

    String responseBody = EntityUtils.toString(response.getEntity());
    Log.i(LOG_TAG, responseBody);
    sentiments.add(responseBody.toString());

Answer 1

what is the response code that you are getting back after posting from the Http client.

It should be 200 for a successful Http post. Other wise there is some issue.

You are posting the JSON data to the URL. which application is reading this data from the URL. Is there some servlet on the other application that is reading JSON data fromrequest. check that and see.

Also check the request headers for the Http Post request. if you are setting all the request headers properly.