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

Introduction

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

Prototype

public void beginArray() throws IOException 

Source Link

Document

Consumes the next token from the JSON stream and asserts that it is the beginning of a new array.

Usage

From source file:com.google.samples.apps.iosched.sync.userdata.util.UserDataHelper.java

License:Open Source License

static public Set<String> fromString(String str) {
    TreeSet<String> result = new TreeSet<String>();
    if (str == null || str.isEmpty()) {
        return result;
    }/* www  . j  ava 2  s  . c o m*/
    try {
        JsonReader reader = new JsonReader(new StringReader(str));
        reader.beginObject();
        while (reader.hasNext()) {
            String key = reader.nextName();
            if (JSON_STARRED_SESSIONS_KEY.equals(key)) {
                reader.beginArray();
                while (reader.hasNext()) {
                    result.add(reader.nextString());
                }
                reader.endArray();
            } else {
                reader.skipValue();
            }
        }
        reader.endObject();
        reader.close();
    } catch (Exception ex) {
        Log.w(TAG, "Ignoring invalid remote content.", ex);
        return null;
    }
    return result;
}

---

From source file:com.greensopinion.finance.services.persistence.CategoriesTypeAdapter.java

License:Apache License

@Override
public Categories read(JsonReader reader) throws IOException {
    reader.beginObject();//w w  w  .  ja  v a 2 s.  com
    checkState(NAME_CATEGORIES.equals(reader.nextName()));
    reader.beginArray();

    ImmutableList.Builder<Category> elements = ImmutableList.<Category>builder();
    while (reader.hasNext()) {
        if (reader.peek() == JsonToken.BEGIN_OBJECT) {
            elements.add(gson.getAdapter(Category.class).read(reader));
        } else {
            elements.add(readCategory(reader.nextString()));
        }
    }
    reader.endArray();
    reader.endObject();

    return new Categories(elements.build());
}

---

From source file:com.greensopinion.finance.services.persistence.TransactionsTypeAdapter.java

License:Apache License

@Override
public Transactions read(JsonReader reader) throws IOException {
    reader.beginObject();//w  ww  . j a v a  2s. co  m
    checkState(reader.nextName().equals(NAME_TRANSACTIONS));
    reader.beginArray();

    ImmutableList.Builder<Transaction> elements = ImmutableList.builder();
    while (reader.hasNext()) {
        elements.add(readTransaction(reader.nextString()));
    }

    reader.endArray();
    reader.endObject();
    return new Transactions(elements.build());
}

---

From source file:com.gs.reladomo.serial.gson.GsonWrappedListTypedAdapter.java

License:Apache License

@Override
public SerializedList<U, T> read(JsonReader jsonReader) throws IOException {
    ReladomoDeserializer deserializer;/*from w w w.  jav a 2s  .c om*/
    if (this.typeClass == null) {
        deserializer = new ReladomoDeserializer();
    } else {
        deserializer = new ReladomoDeserializer(typeClass);
    }
    deserializer.setIgnoreUnknown();
    JsonDeserializerState state = JsonDeserializerState.ListStartState.INSTANCE;
    while (true) {
        JsonToken nextToken = jsonReader.peek();
        //BEGIN_ARRAY, END_ARRAY, BEGIN_OBJECT, END_OBJECT, NAME, STRING, NUMBER, BOOLEAN, NULL, END_DOCUMENT;
        if (JsonToken.BEGIN_OBJECT == nextToken) {
            jsonReader.beginObject();
            state = state.startObject(deserializer);
        } else if (JsonToken.END_OBJECT == nextToken) {
            jsonReader.endObject();
            state = state.endObject(deserializer);
        } else if (JsonToken.BEGIN_ARRAY == nextToken) {
            jsonReader.beginArray();
            state = state.startArray(deserializer);
        } else if (JsonToken.END_ARRAY == nextToken) {
            jsonReader.endArray();
            state = state.endArray(deserializer);
        } else if (JsonToken.BOOLEAN == nextToken) {
            if (jsonReader.nextBoolean()) {
                state = state.valueTrue(deserializer);
            } else {
                state = state.valueFalse(deserializer);
            }
        } else if (JsonToken.NAME == nextToken) {
            String name = jsonReader.nextName();
            state = state.fieldName(name, deserializer);
        } else if (JsonToken.NUMBER == nextToken) {
            String value = jsonReader.nextString();
            state = state.valueString(value, deserializer); // we do the parsing to avoid precision loss
        } else if (JsonToken.STRING == nextToken) {
            String value = jsonReader.nextString();
            Attribute attribute = deserializer.getCurrentAttribute();
            if (attribute instanceof TimestampAttribute) {
                Timestamp timestamp = GsonReladomoTypeAdapterSerialWriter.jsonToTimestamp(value);
                state = state.valueTimestamp(timestamp, deserializer);
            } else {
                state = state.valueString(value, deserializer);
            }
        } else if (JsonToken.NULL == nextToken) {
            jsonReader.nextNull();
            state = state.valueNull(deserializer);
        } else if (JsonToken.END_DOCUMENT == nextToken) {
            break;
        }
    }
    return deserializer.getDeserializedResultAsList();
}

---

From source file:com.gs.reladomo.serial.gson.GsonWrappedTypedAdapter.java

License:Apache License

@Override
public Serialized<T> read(JsonReader jsonReader) throws IOException {
    ReladomoDeserializer deserializer;//from   w  w  w. j  av a 2 s .com
    if (this.typeClass == null) {
        deserializer = new ReladomoDeserializer();
    } else {
        deserializer = new ReladomoDeserializer(typeClass);
    }
    deserializer.setIgnoreUnknown();
    JsonDeserializerState state = JsonDeserializerState.NormalParserState.INSTANCE;
    while (true) {
        JsonToken nextToken = jsonReader.peek();
        //BEGIN_ARRAY, END_ARRAY, BEGIN_OBJECT, END_OBJECT, NAME, STRING, NUMBER, BOOLEAN, NULL, END_DOCUMENT;
        if (JsonToken.BEGIN_OBJECT == nextToken) {
            jsonReader.beginObject();
            state = state.startObject(deserializer);
        } else if (JsonToken.END_OBJECT == nextToken) {
            jsonReader.endObject();
            state = state.endObject(deserializer);
        } else if (JsonToken.BEGIN_ARRAY == nextToken) {
            jsonReader.beginArray();
            state = state.startArray(deserializer);
        } else if (JsonToken.END_ARRAY == nextToken) {
            jsonReader.endArray();
            state = state.endArray(deserializer);
        } else if (JsonToken.BOOLEAN == nextToken) {
            if (jsonReader.nextBoolean()) {
                state = state.valueTrue(deserializer);
            } else {
                state = state.valueFalse(deserializer);
            }
        } else if (JsonToken.NAME == nextToken) {
            String name = jsonReader.nextName();
            state = state.fieldName(name, deserializer);
        } else if (JsonToken.NUMBER == nextToken) {
            String value = jsonReader.nextString();
            state = state.valueString(value, deserializer); // we do the parsing to avoid precision loss
        } else if (JsonToken.STRING == nextToken) {
            String value = jsonReader.nextString();
            Attribute attribute = deserializer.getCurrentAttribute();
            if (attribute instanceof TimestampAttribute) {
                Timestamp timestamp = GsonReladomoTypeAdapterSerialWriter.jsonToTimestamp(value);
                state = state.valueTimestamp(timestamp, deserializer);
            } else {
                state = state.valueString(value, deserializer);
            }
        } else if (JsonToken.NULL == nextToken) {
            jsonReader.nextNull();
            state = state.valueNull(deserializer);
        } else if (JsonToken.END_DOCUMENT == nextToken) {
            break;
        }
    }
    return deserializer.getDeserializedResult();
}

---

From source file:com.ibm.watson.developer_cloud.alchemy.v1.model.TypedEntitiesAdapter.java

License:Open Source License

@Override
public List<TypedEntity> read(JsonReader reader) throws IOException {
    List<TypedEntity> es = new ArrayList<TypedEntity>();

    reader.beginArray(); // arguments
    while (reader.hasNext()) {
        reader.beginObject(); // argument
        while (reader.hasNext()) {
            String name = reader.nextName();
            if ("entities".equals(name)) {
                reader.beginArray();/*  www.  j  a  v a  2  s  .  com*/
                while (reader.hasNext()) {
                    TypedEntity e = new TypedEntity();
                    reader.beginObject();
                    while (reader.hasNext()) {
                        String name1 = reader.nextName();
                        if ("text".equals(name1)) {
                            e.setText(reader.nextString());
                        } else if ("type".equals(name1)) {
                            e.setType(reader.nextString());
                        } else if ("id".equals(name1)) {
                            e.setId(reader.nextString());
                        } else {
                            reader.skipValue();
                        }
                    }
                    reader.endObject();
                    es.add(e);
                }
                reader.endArray();
            } else {
                reader.skipValue();
            }
        }
        reader.endObject();
    }
    reader.endArray();

    return es;
}

---

From source file:com.ibm.watson.developer_cloud.speech_to_text.v1.util.SpeechTimestampTypeAdapter.java

License:Open Source License

@Override
public SpeechTimestamp read(JsonReader reader) throws IOException {
    if (reader.peek() == JsonToken.NULL) {
        reader.nextNull();//from   ww  w  .  j  a  va2 s  . c  o m
        return null;
    }

    final SpeechTimestamp speechTimestamp = new SpeechTimestamp();
    reader.beginArray();

    if (reader.peek() == JsonToken.STRING) {
        speechTimestamp.setWord(reader.nextString());
    }
    if (reader.peek() == JsonToken.NUMBER) {
        speechTimestamp.setStartTime(reader.nextDouble());
    }
    if (reader.peek() == JsonToken.NUMBER) {
        speechTimestamp.setEndTime(reader.nextDouble());
    }

    reader.endArray();
    return speechTimestamp;
}

---

From source file:com.ibm.watson.developer_cloud.speech_to_text.v1.util.SpeechWordConfidenceTypeAdapter.java

License:Open Source License

@Override
public SpeechWordConfidence read(JsonReader reader) throws IOException {
    if (reader.peek() == JsonToken.NULL) {
        reader.nextNull();/*from  ww w .jav a 2  s.c  o  m*/
        return null;
    }

    final SpeechWordConfidence speechWordConfidence = new SpeechWordConfidence();
    reader.beginArray();

    if (reader.peek() == JsonToken.STRING) {
        speechWordConfidence.setWord(reader.nextString());
    }
    if (reader.peek() == JsonToken.NUMBER) {
        speechWordConfidence.setConfidence(reader.nextDouble());
    }

    reader.endArray();
    return speechWordConfidence;
}

---

From source file:com.ibm.watson.developer_cloud.tradeoff_analytics.v1.util.ColumnTypeAdapter.java

License:Open Source License

@Override
public Column read(JsonReader reader) throws IOException {
    if (reader.peek() == JsonToken.NULL) {
        reader.nextNull();//from   ww w.  j av  a 2  s .  c  o m
        return null;
    }

    ColumnType type = ColumnType.TEXT;
    Goal goal = null;
    Boolean objective = null;

    String key = null, format = null, description = null, fullName = null, low = null, high = null;
    Double significantGain = null, significantLoss = null, insignificantLoss = null;

    List<String> categoricalRange = null, categoricalPreference = null;

    reader.beginObject();

    while (reader.hasNext()) {
        String name = reader.nextName();

        if (name.equals(TYPE2)) {
            type = ColumnType.fromString(reader.nextString());
        } else if (name.equals(KEY)) {
            key = reader.nextString();
        } else if (name.equals(GOAL)) {
            goal = Goal.fromString(reader.nextString());
        } else if (name.equals(IS_OBJECTIVE)) {
            objective = reader.nextBoolean();
        } else if (name.equals(FORMAT)) {
            format = reader.nextString();
        } else if (name.equals(DESCRIPTION)) {
            description = reader.nextString();
        } else if (name.equals(FULL_NAME)) {
            fullName = reader.nextString();
        } else if (name.equals(SIGNIFICANT_GAIN)) {
            significantGain = reader.nextDouble();
        } else if (name.equals(SIGNIFICANT_LOSS)) {
            significantLoss = reader.nextDouble();
        } else if (name.equals(INSIGNIFICANT_LOSS)) {
            insignificantLoss = reader.nextDouble();
        } else if (name.equals("preference")) {
            reader.beginArray();
            categoricalPreference = new ArrayList<String>();
            while (reader.hasNext()) {
                categoricalPreference.add(reader.nextString());
            }
            reader.endArray();
        } else if (name.equals(RANGE)) {
            if (reader.peek().equals(JsonToken.BEGIN_ARRAY)) {
                reader.beginArray();
                categoricalRange = new ArrayList<String>();
                while (reader.hasNext()) {
                    categoricalRange.add(reader.nextString());
                }
                reader.endArray();
            } else {
                reader.beginObject();
                while (reader.hasNext()) {
                    name = reader.nextName();
                    if (name.equals(LOW)) {
                        low = reader.nextString();
                    } else if (name.equals(HIGH)) {
                        high = reader.nextString();
                    } else {
                        reader.skipValue();
                    }
                }
                reader.endObject();
            }
        } else {
            reader.skipValue();
        }
    }
    reader.endObject();

    Column column;
    if (type == ColumnType.CATEGORICAL) {
        column = new CategoricalColumn();
        if (categoricalRange != null) {
            ((CategoricalColumn) column).setRange(categoricalRange);
        }
        if (categoricalPreference != null) {
            ((CategoricalColumn) column).setRange(categoricalPreference);
        }
    } else if (type == ColumnType.DATETIME) {
        column = new DateColumn();
        if (low != null) {
            try {
                ((DateColumn) column).withRange(DATE_FORMATTER.parse(low), DATE_FORMATTER.parse(high));
            } catch (final ParseException e) {
                LOG.log(Level.SEVERE, "Error parsing the date", e);
            }
        }
    } else if (type == ColumnType.NUMERIC) {
        column = new NumericColumn();
        if (low != null) {
            ((NumericColumn) column).range(Double.valueOf(low), Double.valueOf(high));
        }
    } else {
        column = new TextColumn();
    }

    column.setKey(key);

    if (description != null) {
        column.setDescription(description);
    }

    if (format != null) {
        column.setFormat(format);
    }

    if (objective != null) {
        column.setObjective(objective);
    }

    if (fullName != null) {
        column.setFullName(fullName);
    }

    if (goal != null) {
        column.setGoal(goal);
    }

    if (key != null) {
        column.setKey(key);
    }

    if (significantGain != null) {
        column.setSignificantGain(significantGain);
    }

    if (significantLoss != null) {
        column.setSignificantLoss(insignificantLoss);
    }

    if (insignificantLoss != null) {
        column.setInsignificantLoss(insignificantLoss);
    }

    return column;
}

---

From source file:com.ibm.watson.discovery.v1.query.AggregationDeserializer.java

License:Open Source License

/**
 * Parses a JSON array and adds it to the main object map.
 *
 * @param in {@link JsonReader} object used for parsing
 * @param objMap Map used to build the structure for the resulting {@link QueryAggregation} object
 * @param name key value to go with the resulting value of this method pass
 * @throws IOException signals that there has been an IO exception
 */// w  w  w. ja v  a2 s  .co m
private void parseArray(JsonReader in, HashMap<String, Object> objMap, String name) throws IOException {
    List<HashMap<String, Object>> array = new ArrayList<>();
    in.beginArray();

    while (in.peek() != JsonToken.END_ARRAY) {
        HashMap<String, Object> arrayItem = new HashMap<>();
        parseNext(in, arrayItem);
        array.add(arrayItem);
    }

    in.endArray();
    objMap.put(name, array);
}

---

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