Example usage for com.google.gson.stream JsonReader JsonReader

List of usage examples for com.google.gson.stream JsonReader JsonReader

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Introduction

In this page you can find the example usage for com.google.gson.stream JsonReader JsonReader.

Prototype

public JsonReader(Reader in)

Source Link

Document

Creates a new instance that reads a JSON-encoded stream from in .

Usage

From source file:data.GoogleActDataGetter.java

public double readActualData(String tickerSymbol) throws IOException, NumberFormatException {
    StringBuilder urlBuilder = new StringBuilder();

    urlBuilder.append("http://finance.google.com/finance/info?client=ig&q=");

    urlBuilder.append(tickerSymbol);/*from ww  w  .  j  av a2  s.c o m*/

    URL urlGoogle = new URL(urlBuilder.toString());
    BufferedReader in = new BufferedReader(new InputStreamReader(urlGoogle.openStream()));

    in.skip(3);

    Gson gson = new GsonBuilder().create();
    JsonReader reader = new JsonReader(in);
    reader.setLenient(true);
    DataGSON[] p = gson.fromJson(reader, DataGSON[].class);

    in.close();

    return Double.parseDouble(p[0].l.replaceAll(",", ""));
}

From source file:data.GoogleActDataGetter.java

public Map<String, Double> readActualData(String[] tickerSymbols) throws IOException, NumberFormatException {
    StringBuilder urlBuilder = new StringBuilder();

    urlBuilder.append("http://finance.google.com/finance/info?client=ig&q=");

    for (String tickerSymbol : tickerSymbols) {
        urlBuilder.append(tickerSymbol);
        urlBuilder.append(",");
    }/*w  w w  . ja va2 s .  c om*/
    urlBuilder.deleteCharAt(urlBuilder.length() - 1); //remove last ,

    URL urlGoogle = new URL(urlBuilder.toString());
    BufferedReader in = new BufferedReader(new InputStreamReader(urlGoogle.openStream()));

    in.skip(3);

    Gson gson = new GsonBuilder().create();
    JsonReader reader = new JsonReader(in);
    reader.setLenient(true);
    DataGSON[] dataFromGSON = gson.fromJson(reader, DataGSON[].class);

    in.close();

    Map<String, Double> valuesMap;
    valuesMap = new HashMap(dataFromGSON.length);

    for (DataGSON entryGSON : dataFromGSON) {
        String tickerSymbol = entryGSON.t;
        String strValue = entryGSON.l.replaceAll(",", "");
        valuesMap.put(tickerSymbol, Double.parseDouble(strValue));
    }

    return valuesMap;
}

From source file:data.Task1bData.java

License:Apache License

public void readData(String jsonFile) throws IOException {

    int num_questions = 0;
    int num_triples = 0;
    int type_yesno = 0;
    int type_factoid = 0;
    int type_list = 0;
    int type_summary = 0;

    try {//w  ww .j a v a  2 s.  c o m
        JsonReader reader = new JsonReader(new InputStreamReader(new FileInputStream(jsonFile)));
        //reader.setLenient(true);
        //    JsonToken peeknext = reader.peek();
        //    peeknext.

        reader.beginObject();
        while (reader.hasNext()) {

            String nextfield = reader.nextName();
            if (nextfield.equals("questions")) {
                reader.beginArray();
                while (reader.hasNext()) {

                    reader.beginObject();
                    num_questions++;

                    Question qst = new Question();

                    while (reader.hasNext()) {
                        String name = reader.nextName();
                        int k = 0;
                        if (name.equals("body")) {
                            String body = reader.nextString();
                            qst.setBody(body);
                        } else if (name.equals("triples")) {
                            num_triples++;
                            ArrayList<Triple> triples = readTriplesArray(reader);
                            qst.addTriples(triples);
                        } else if (name.equals("type")) {
                            String type = reader.nextString();

                            if (type.equals("yesno")) {
                                qst.setType(Question.YESNO);
                                type_yesno++;

                            } else if (type.equals("factoid")) {
                                qst.setType(Question.FACTOID);
                                type_factoid++;

                            }
                            if (type.equals("summary")) {
                                qst.setType(Question.SUMMARY);
                                type_summary++;

                            }
                            if (type.equals("list")) {
                                qst.setType(Question.LIST);
                                type_list++;

                            }
                        } else if (name.equals("id")) {
                            String id = reader.nextString();
                            qst.setId(id);
                        } else if (name.equals("concepts")) {
                            ArrayList<String> concepts = readConcepts(reader);
                            qst.addConcepts(concepts);
                        } else if (name.equals("documents")) {
                            ArrayList<String> docs = readDocuments(reader);

                            qst.addDocuments(docs);
                        } else if (name.equals("exact_answer")) {
                            ExactAnswer ea = new ExactAnswer();
                            JsonToken peek = reader.peek();
                            if (peek == JsonToken.BEGIN_ARRAY) //list or factoid
                            {
                                reader.beginArray();

                                JsonToken peek1 = reader.peek();
                                ArrayList<String> listOfAnswers = new ArrayList<String>();
                                ArrayList<ArrayList<String>> listofarrays = new ArrayList<ArrayList<String>>();

                                if (peek1 == JsonToken.BEGIN_ARRAY) // list (or factoid-list since BioASQ3)
                                {
                                    /*
                                     * Warning: changed the following for BioASQ 5
                                     * No synonyms in submissions anymore, only in gold files
                                    */
                                    if (VERSION_OF_CHALLENGE == evaluation.EvaluatorTask1b.BIOASQ2
                                            || VERSION_OF_CHALLENGE == evaluation.EvaluatorTask1b.BIOASQ3) {
                                        listofarrays = readExactAnswerListOfArraysv2(reader);
                                        ea.setLists(listofarrays);
                                    } else if (VERSION_OF_CHALLENGE == evaluation.EvaluatorTask1b.BIOASQ5) {
                                        if (!this.isGold) { // For submissions use restricted parsing : only first of synonyms taken into account
                                            listofarrays = readExactAnswerListOfArraysv3(reader);
                                        } else { // For golden read all synonyms normally
                                            listofarrays = readExactAnswerListOfArraysv2(reader);
                                        }
                                        ea.setLists(listofarrays);
                                    } else {
                                        System.out.println("Wrong challenge version. I will exit.");
                                        System.exit(0);
                                    }
                                } else if (peek1 == JsonToken.STRING) // factoid (for BioASQ1&2)
                                {
                                    /*
                                     * Warning: changed the following for BioASQ 3
                                     * we now have list of arrays for factoid 
                                    */
                                    if (VERSION_OF_CHALLENGE == evaluation.EvaluatorTask1b.BIOASQ2) {
                                        listOfAnswers = readExactAnswerArray(reader);
                                        ea.setAnswers(listOfAnswers);
                                    }
                                    //not reached!
                                    else if (VERSION_OF_CHALLENGE == evaluation.EvaluatorTask1b.BIOASQ3) {
                                        listofarrays = readExactAnswerListOfArraysv2(reader);
                                        ea.setLists(listofarrays);
                                    }
                                    /*
                                     * Warning: changed the following for BioASQ 5
                                     * No synonyms are submitted anymore by participants
                                    */
                                    //not reached!
                                    else if (VERSION_OF_CHALLENGE == evaluation.EvaluatorTask1b.BIOASQ5) {
                                        listofarrays = readExactAnswerListOfArraysv3(reader);
                                        ea.setLists(listofarrays);
                                    } else {
                                        System.out.println("Wrong challenge version. I will exit.");
                                        System.exit(0);
                                    }
                                }

                                //ea.setAnswers(listOfAnswers);
                                qst.setExact_answer(ea);
                                reader.endArray();

                            } else if (peek == JsonToken.STRING) //yesno
                            {
                                String yesno_answer = reader.nextString();
                                yesno_answer = yesno_answer.toLowerCase();
                                if (yesno_answer.contains("yes"))
                                    ea.setAnswer("yes");
                                else if (yesno_answer.contains("no"))
                                    ea.setAnswer("no");
                                else {
                                    ea.setAnswer("none");
                                    //  System.out.println("Unknown answer in yesno question: "+yesno_answer);
                                }
                                qst.setExact_answer(ea);
                            }

                        }

                        //                      Edited for BioASQ4 Evaluation (to solve format conflict with Rouge.py)            
                        //                      ideal answers are not evaluated with this code, so no need to read them(Rouge and manual queration is used instead)

                        //                      else if(name.equals("ideal_answer"))
                        //                      {
                        //                          String ideal="";
                        //                          try{ideal = reader.nextString();}catch(IllegalStateException ex){System.out.println(ex.toString());System.out.println(jsonFile);
                        //                          }
                        //                          qst.setIdeal_answer(ideal);
                        //                      }
                        else if (name.equals("snippets")) {
                            ArrayList<Snippet> snippets = readSnippets(reader);
                            qst.addSnippets(snippets);
                        } else {
                            reader.skipValue();

                        }
                    }
                    //reader.skipValue();
                    reader.endObject();
                    this.questions.add(qst);

                }
                reader.endArray();
            } else {
                reader.skipValue();

            }
        }
        reader.endObject();
        /*     System.out.println("Number of questions:"+num_questions);
             System.out.println("Number of triples:"+num_triples);
             System.out.println("Number of yesno:"+type_yesno);
             System.out.println("Number of factoid:"+type_factoid);
             System.out.println("Number of list:"+type_list);
             System.out.println("Number of summary:"+type_summary);*/

    } catch (FileNotFoundException ex) {
        System.out.println("Problem in JSONfile : " + jsonFile);
    }

}

From source file:data.TaskADataParser.java

License:Apache License

/**
 * // w  w  w . j  a  v a  2 s  . c om
 * Return a json reader and opens the array
 * 
 */
public static JsonReader streamParser(String jsonFile) throws IOException {

    int count = 0;
    int abstract_count = 0;
    int duplicates = 0;
    JsonReader reader = null;
    try {
        reader = new JsonReader(new InputStreamReader(new FileInputStream(jsonFile)));
        reader.setLenient(true);
        reader.beginObject();
        String nam = reader.nextName();
        System.out.println(nam);
        reader.beginArray();

    } catch (Exception ex) {
        System.out.println("File not found");
        System.out.println(ex.toString());
    }
    return reader;
}

From source file:de.baydev.hueemulator.util.ConfigUtil.java

License:Open Source License

public AppConfig loadConfig(String config) {

    String configPath = "data/config/" + ((config == null) ? "config" : config) + ".json";
    try (JsonReader reader = new JsonReader(new FileReader(configPath))) {

        appConfig = JsonUtil.getInstance().getGson().fromJson(reader, AppConfig.class);
    } catch (FileNotFoundException ex) {

        ex.printStackTrace();/*ww  w .  ja  va  2 s . co  m*/
    } catch (IOException ex) {
        LOGGER.log(Level.SEVERE, null, ex);
    }

    return appConfig;
}

From source file:de.baydev.hueemulator.util.HueLoader.java

License:Open Source License

public HueBridge loadBridge(String bridgeId) {
    try (JsonReader reader = new JsonReader(new FileReader("data/bridge/" + bridgeId + ".json"))) {
        this.loadedBridge = JsonUtil.getInstance().getGson().fromJson(reader, HueBridge.class);
    } catch (FileNotFoundException ex) {
        Logger.getLogger(HueLoader.class.getName()).log(Level.SEVERE, null, ex);
    } catch (IOException ex) {
        Logger.getLogger(HueLoader.class.getName()).log(Level.SEVERE, null, ex);
    }//from   w  w  w  .j  a va 2  s  .  com
    return this.loadedBridge;
}

From source file:de.feike.tiingoclient.JSON.java

License:Apache License

/**
 * Deserialize the given JSON string to Java object.
 *
 * @param <T>//from  w  w w.  j  ava2s  . c o  m
 *            Type
 * @param body
 *            The JSON string
 * @param returnType
 *            The type to deserialize into
 * @return The deserialized Java object
 */
@SuppressWarnings("unchecked")
public <T> T deserialize(String body, Type returnType) {
    try {
        if (apiClient.isLenientOnJson()) {
            JsonReader jsonReader = new JsonReader(new StringReader(body));
            // see
            // https://google-gson.googlecode.com/svn/trunk/gson/docs/javadocs/com/google/gson/stream/JsonReader.html#setLenient(boolean)
            jsonReader.setLenient(true);
            return gson.fromJson(jsonReader, returnType);
        } else {
            return gson.fromJson(body, returnType);
        }
    } catch (JsonParseException e) {
        // Fallback processing when failed to parse JSON form response body:
        // return the response body string directly for the String return
        // type;
        // parse response body into date or datetime for the Date return
        // type.
        if (returnType.equals(String.class))
            return (T) body;
        else if (returnType.equals(Date.class))
            return (T) apiClient.parseDateOrDatetime(body);
        else
            throw (e);
    }
}

From source file:de.hshannover.f4.trust.irongpm.rest.VisitmetaResource.java

License:Apache License

/**
 * Requests the REST interface for the given path, e.g. "current" or "changes"
 * //from w w w. ja va  2 s.  c o  m
 * @param path
 *            The path for the HTTP request
 * @return The JSON response string
 */
public String get(String path) {
    String json = null;
    boolean connected = true;
    do {
        try {
            URLConnection conn = new URL(mBaseUrl + path + "?rawData=" + mRawXml).openConnection();
            conn.setConnectTimeout(2000);
            conn.connect();
            JsonReader reader = new JsonReader(new InputStreamReader(conn.getInputStream()));
            JsonParser parser = new JsonParser();
            JsonElement rootElement = parser.parse(reader);
            json = rootElement.toString();
            if (!connected) {
                LOGGER.info("VisitmetaResource connection (re-)established");
            }
            connected = true;
        } catch (Exception e) {
            try {
                LOGGER.warn("VisitmetaResource connection failed on " + mBaseUrl
                        + ". Trying again in 5 seconds. Reason: [" + e + "]");
                Thread.sleep(5000);
            } catch (InterruptedException e1) {
                // TODO Auto-generated catch block
                e1.printStackTrace();
            }
            connected = false;
        }
    } while (!connected);
    return json;
}

From source file:de.itboehmer.confluence.rest.core.BaseClient.java

License:Apache License

protected JsonReader toJsonReader(InputStream inputStream) throws UnsupportedEncodingException {
    Validate.notNull(inputStream);/*from   www . j  a  va 2s .co m*/
    InputStreamReader reader = new InputStreamReader(inputStream, "UTF-8");
    JsonReader jsonReader = new JsonReader(reader);
    jsonReader.setLenient(true);
    return jsonReader;
}

From source file:de.iteratec.iteraplan.businesslogic.exchange.elasticmi.read.MiJsonMicroImportProcess.java

License:Open Source License

/**
 * Parse the inputStream to an JsonObject.
 * If the inputStream is null, null is returned and the {@link #importProcessMessages} get an error message.
 * //from  ww  w  . j a  v a2 s .c o m
 * @param inputStream
 * @return JsonObject
 */
private JsonObject readJsonFromInputStream(InputStream inputStream) {
    if (inputStream == null) {
        LOGGER.error("The input stream to read the json from was null.");
        return null;
    }

    try {
        JsonReader reader = new JsonReader(new InputStreamReader(inputStream, "UTF-8"));
        return new JsonParser().parse(reader).getAsJsonObject();
    } catch (UnsupportedEncodingException e) {
        LOGGER.error("Error reading json", e);
    } catch (IllegalStateException e) {
        LOGGER.error("Error reading json", e);
    }
    return null;
}