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POJSON Object Parsing Error
 

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  1. POJSON Object Parsing Error
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    <p>I have got the following string as HTTPResponse. It is in JSON format.</p> <pre><code> [ { "From":"en", "OriginalTextSentenceLengths":[ 5 ], "TranslatedText":"Hallo", "TranslatedTextSentenceLengths":[ 5 ] }, { "From":"en", "OriginalTextSentenceLengths":[ 8 ], "TranslatedText":"Frage", "TranslatedTextSentenceLengths":[ 5 ] }, { "From":"en", "OriginalTextSentenceLengths":[ 6 ], "TranslatedText":"Antwort", "TranslatedTextSentenceLengths":[ 7 ] } ] </code></pre> <p>So this string I am parsing as follows to get the "Translated Texts array"</p> <pre><code> String resp = "[{\"From\":\"en\",\"OriginalTextSentenceLengths\":[5],\"TranslatedText\":\"Hallo\",\"TranslatedTextSentenceLengths\":[5]},{\"From\":\"en\",\"OriginalTextSentenceLengths\":[8],\"TranslatedText\":\"Frage\",\"TranslatedTextSentenceLengths\":[5]},{\"From\":\"en\",\"OriginalTextSentenceLengths\":[6],\"TranslatedText\":\"Antwort\",\"TranslatedTextSentenceLengths\":[7]}]"; String[] stringArray = null; try { JSONArray finalResult=null; JSONTokener tokener = new JSONTokener(resp); finalResult = new JSONArray(tokener); stringArray = new String[finalResult.length()]; for(int i=0;i&lt;finalResult.length();i++){ JSONObject e = finalResult.getJSONObject(i); Log.v("TAG",e.getString("TranslatedText")); stringArray[i]=e.getString("TranslatedText"); } }catch (JSONException e) { // TODO Auto-generated catch block e.printStackTrace(); } </code></pre> <p>I am getting the extracted "translated text" array ( Hallo, Frage, Antwort) out of the JSON Object...</p> <p>But when I am doing the same procedure by giving the same string as input to JSONTokener directly i.e after getting HttpResponse as below, I am <strong>getting JSON Exception at finalResult = new JSONArray(tokener) line....</strong> </p> <p><strong>org.json.JSONException: End of input at character 0 of</strong></p> <pre><code>String resp = getHttpResponse(uri); String[] stringArray = null; try { JSONArray finalResult=null; JSONTokener tokener = new JSONTokener(resp); finalResult = new JSONArray(tokener); stringArray = new String[finalResult.length()]; for(int i=0;i&lt;finalResult.length();i++){ JSONObject e = finalResult.getJSONObject(i); Log.v("TAG",e.getString("TranslatedText")); stringArray[i]=e.getString("TranslatedText"); } }catch (JSONException e) { // TODO Auto-generated catch block e.printStackTrace(); } </code></pre> <p>I have tried hard for 2 days to resolve this error but couldn't do it.. So I am posting it here... Please help</p> <p><strong>EDIT:</strong></p> <p>I am adding the implementation of getHttpResponse</p> <pre><code> public static String getHttpResponse(URI uri) { Log.d("APP_TAG", "Going to make a get request"); StringBuilder response = new StringBuilder(); try { HttpGet get = new HttpGet(); get.setURI(uri); //DefaultHttpClient httpClient = new DefaultHttpClient(); HttpParams httpParameters = new BasicHttpParams(); int timeoutConnection = 30000; HttpConnectionParams.setConnectionTimeout(httpParameters, timeoutConnection); int timeoutSocket = 30000; HttpConnectionParams.setSoTimeout(httpParameters, timeoutSocket); DefaultHttpClient httpClient = new DefaultHttpClient(httpParameters); Log.v("TAG","1"); HttpResponse httpResponse = httpClient.execute(get); Log.v("TAG","2"); if (httpResponse.getStatusLine().getStatusCode() == 200) { Log.d("demo", "HTTP Get succeeded"); HttpEntity messageEntity = httpResponse.getEntity(); InputStream is = messageEntity.getContent(); BufferedReader br = new BufferedReader(new InputStreamReader(is)); String line; while ((line = br.readLine()) != null) { response.append(line); } } } catch (Exception e) { Log.e("demo", e.getMessage()); } Log.d("demo", "Done with HTTP getting"); return response.toString(); } </code></pre> <p>And the uri which I am giving to getHttpResponse is as follows</p> <pre><code> String[] texts = {"hello","question","answer"}; final String params = "appId=" + URLEncoder.encode("78280AF4DFA1CE1676AFE86340C690023A5AC139","UTF-8") + "&amp;from=" + URLEncoder.encode("en","UTF-8") + "&amp;to=" + URLEncoder.encode("de","UTF-8") + "&amp;texts=" + URLEncoder.encode(buildStringArrayParam(texts),"UTF-8"); final URL url = new URL("http://api.microsofttranslator.com/V2/Ajax.svc/TranslateArray?" + params); URI myURI = java.net.URI.create(url.toString()); String resp = getHttpResponse(myURI); </code></pre> <p>This response string is what I am trying to parse...</p> <p>This is for buildStringArrayParam(texts) </p> <pre><code>StringBuilder targetString = new StringBuilder("[\""); String value; for(Object obj : values) { if(obj!=null) { value = obj.toString(); if(value.length()!=0) { if(targetString.length()&gt;2) targetString.append(",\""); targetString.append(value); targetString.append("\""); } } } targetString.append("]"); return targetString.toString(); </code></pre>
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    1. COIf you log the `resp` string from `getHttpResponse()`, does it actually contain the JSON string you expect?
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      1. USPhilipp Reichart
    2. COYes it contains the JSON string I expect...
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    3. CODid you check that with `equals()`, comparing it your `String resp = "[{\"From\":\"...` constant? Could you add the `resp` you get from `getHttpResponse()` to you question?
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      1. USPhilipp Reichart
 

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