Example usage for com.google.gson.stream JsonToken BEGIN_ARRAY

List of usage examples for com.google.gson.stream JsonToken BEGIN_ARRAY

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Prototype

JsonToken BEGIN_ARRAY

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Document

The opening of a JSON array.

Usage

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 w  w . j  ava  2  s. c om
        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:ddt.dtool.dub.DubDescribeParser.java

License:Open Source License

protected static ArrayList<DubBundle> readDescribedBundles(JsonReaderExt jsonParser) throws IOException {
    jsonParser.consumeExpected(JsonToken.BEGIN_ARRAY);

    ArrayList<DubBundle> bundles = new ArrayList<>();

    while (jsonParser.hasNext()) {
        JsonToken tokenType = jsonParser.peek();

        if (tokenType == JsonToken.BEGIN_OBJECT) {
            DubBundle bundle = new DubManifestParser().readBundle(jsonParser).createBundle(null, false);
            bundles.add(bundle);/*from ww  w  . j  a v a 2  s  .c om*/
        } else {
            jsonParser.errorUnexpected(tokenType);
        }
    }

    jsonParser.consumeExpected(JsonToken.END_ARRAY);
    return bundles;
}

From source file:ddt.dtool.dub.DubManifestParser.java

License:Open Source License

protected ArrayList<BundleFile> parseFiles(JsonReaderExt jsonReader) throws IOException {
    jsonReader.consumeExpected(JsonToken.BEGIN_ARRAY);

    ArrayList<BundleFile> bundleFiles = new ArrayList<>();

    while (jsonReader.hasNext()) {
        BundleFile bundleFile = parseFile(jsonReader);
        bundleFiles.add(bundleFile);// w w  w.j  a v a2 s  . c o m
    }

    jsonReader.consumeExpected(JsonToken.END_ARRAY);
    return bundleFiles;
}

From source file:ddt.dtool.util.JsonReaderExt.java

License:Open Source License

public void consumeExpected(JsonToken expectedToken) throws IOException {
    JsonToken tokenType = validateExpectedToken(expectedToken);
    if (tokenType == JsonToken.BEGIN_OBJECT) {
        jsonReader.beginObject();/*from   w  w  w .j av  a2 s  .com*/
    } else if (tokenType == JsonToken.END_OBJECT) {
        jsonReader.endObject();
    } else if (tokenType == JsonToken.BEGIN_ARRAY) {
        jsonReader.beginArray();
    } else if (tokenType == JsonToken.END_ARRAY) {
        jsonReader.endArray();
    } else if (tokenType == JsonToken.END_DOCUMENT) {
    } else {
        assertFail();
    }
}

From source file:ddt.dtool.util.JsonReaderExt.java

License:Open Source License

public ArrayList<String> consumeStringArray(boolean ignoreNulls) throws IOException {
    jsonReader.consumeExpected(JsonToken.BEGIN_ARRAY);

    ArrayList<String> strings = new ArrayList<>();

    while (jsonReader.hasNext()) {
        JsonToken tokenType = jsonReader.peek();

        if (ignoreNulls && tokenType == JsonToken.NULL) {
            jsonReader.nextNull();/*from  ww  w  .j  ava  2  s .  c  om*/
            continue;
        }

        if (tokenType != JsonToken.STRING) {
            sourceError("Expected String value, instead got: " + tokenType);
        }

        String entry = jsonReader.nextString();
        strings.add(entry);
    }
    jsonReader.consumeExpected(JsonToken.END_ARRAY);
    return strings;
}

From source file:ddt.dtool.util.JsonReaderExt.java

License:Open Source License

public ArrayList<Object> readJsonArray() throws IOException {
    jsonReader.consumeExpected(JsonToken.BEGIN_ARRAY);

    ArrayList<Object> array = new ArrayList<>();
    while (jsonReader.hasNext()) {
        array.add(readJsonValue());//www.  j ava  2 s  .co  m
    }
    jsonReader.consumeExpected(JsonToken.END_ARRAY);
    return array;
}

From source file:dtool.dub.DubDescribeParser.java

License:Open Source License

protected static ArrayList<DubBundle> readDescribedBundles(JsonReaderExt jsonParser)
        throws IOException, DubBundleException {
    jsonParser.consumeExpected(JsonToken.BEGIN_ARRAY);

    ArrayList<DubBundle> bundles = new ArrayList<>();

    while (jsonParser.hasNext()) {
        JsonToken tokenType = jsonParser.peek();

        if (tokenType == JsonToken.BEGIN_OBJECT) {
            DubBundle bundle = new DubManifestParser().readBundle(jsonParser).createBundle(null, false);
            bundles.add(bundle);/*from ww w  .  j av  a 2 s. com*/
        } else {
            jsonParser.errorUnexpected(tokenType);
        }
    }

    jsonParser.consumeExpected(JsonToken.END_ARRAY);
    return bundles;
}

From source file:dtool.dub.DubManifestParser.java

License:Open Source License

protected ArrayList2<BundleFile> parseFiles(JsonReaderExt jsonReader) throws IOException {
    jsonReader.consumeExpected(JsonToken.BEGIN_ARRAY);

    ArrayList2<BundleFile> bundleFiles = new ArrayList2<>();

    while (jsonReader.hasNext()) {
        BundleFile bundleFile = parseFile(jsonReader);
        bundleFiles.add(bundleFile);/*ww  w  .  j a  v a 2 s. c om*/
    }

    jsonReader.consumeExpected(JsonToken.END_ARRAY);
    return bundleFiles;
}

From source file:dtool.dub.DubManifestParser.java

License:Open Source License

protected ArrayList2<DubConfiguration> parseConfigurations(JsonReaderExt jsonReader)
        throws IOException, DubBundleException {
    jsonReader.consumeExpected(JsonToken.BEGIN_ARRAY);

    ArrayList2<DubConfiguration> bundleFiles = new ArrayList2<>();

    while (jsonReader.hasNext()) {
        DubConfiguration element = parseConfiguration(jsonReader);
        bundleFiles.add(element);/*from w w  w.j a v a  2  s .  c o  m*/
    }

    jsonReader.consumeExpected(JsonToken.END_ARRAY);
    return bundleFiles;
}

From source file:json.tests.reader.GsonPerfTestWithCustomReader.java

License:Open Source License

/**
 * Read the first element of a array/*from   ww w .  j  a v a 2 s.c  o m*/
 */
public JsonElement printFirstElement() throws IOException {
    JSONStreamReader jsonReader = new JSONStreamReader(new StringReader(json), requiredElements);
    JsonParser jp = new JsonParser();
    boolean isInArray = false;
    JsonElement element = null;

    // consume the first token
    jsonReader.beginObject();

    while (jsonReader.hasNext()) {
        JsonToken token = jsonReader.peek();
        if (token.equals(JsonToken.BEGIN_ARRAY)) {
            jsonReader.beginArray();
            isInArray = true;
        } else if (isInArray && token.equals(JsonToken.END_ARRAY)) {
            jsonReader.endArray();
        } else if (isInArray && token.equals(JsonToken.BEGIN_OBJECT)) {
            element = jp.parse(jsonReader);
            break;
        } else {
            jsonReader.skipValue();
        }
    }
    return element;
}