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

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

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Prototype

JsonToken NAME

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Document

A JSON property name.

Usage

From source file:com.github.kevinsawicki.halligan.Resource.java

License:Open Source License

/**
 * Parse resources from current value//from ww  w . j  a  va2  s. c o m
 *
 * @param reader
 * @throws IOException
 */
protected void parseResources(final JsonReader reader) throws IOException {
    reader.beginObject();
    while (reader.hasNext()) {
        String name = reader.nextName();
        JsonToken next = reader.peek();
        switch (next) {
        case BEGIN_OBJECT:
            resources.put(name, Collections.singletonList(createResource().parse(reader)));
            break;
        case BEGIN_ARRAY:
            reader.beginArray();
            List<Resource> entries = new ArrayList<Resource>();
            while (reader.peek() == BEGIN_OBJECT)
                entries.add(createResource().parse(reader));
            reader.endArray();
            resources.put(name, entries);
            break;
        default:
            throw new IOException(
                    "_embedded object value is a " + next.name() + " and must be an array or object");
        }
    }
    reader.endObject();
}

From source file:com.github.lindenb.gatkui.Json2Xml.java

License:Open Source License

private void parse(String label, JsonReader r) throws Exception {
    if (!r.hasNext())
        return;/* www. ja  v a2 s .c o  m*/
    JsonToken token = r.peek();
    switch (token) {
    case NAME:
        break;
    case BEGIN_OBJECT: {
        r.beginObject();
        parseObject(label, r);
        break;
    }
    case END_OBJECT: {
        break;
    }
    case BEGIN_ARRAY: {
        r.beginArray();
        parseArray(label, r);
        break;
    }
    case END_ARRAY: {
        break;
    }
    case NULL: {
        r.nextNull();
        w.writeEmptyElement(NS, "null");
        if (label != null)
            w.writeAttribute("name", label);
        break;
    }
    case STRING: {
        w.writeStartElement(NS, "string");
        if (label != null)
            w.writeAttribute("name", label);
        w.writeCharacters(r.nextString());
        w.writeEndElement();
        break;
    }
    case NUMBER: {
        w.writeStartElement(NS, "number");
        if (label != null)
            w.writeAttribute("name", label);
        String s;
        try {
            s = String.valueOf(r.nextLong());
        } catch (Exception err) {
            s = String.valueOf(r.nextDouble());
        }

        w.writeCharacters(s);
        w.writeEndElement();
        break;
    }
    case BOOLEAN: {
        w.writeStartElement(NS, "boolean");
        if (label != null)
            w.writeAttribute("name", label);
        w.writeCharacters(String.valueOf(r.nextBoolean()));
        w.writeEndElement();
        break;
    }
    case END_DOCUMENT: {
        break;
    }
    default:
        throw new IllegalStateException(token.name());
    }

}

From source file:com.github.lindenb.gatkui.Json2Xml.java

License:Open Source License

private void parseObject(String label, JsonReader r) throws Exception {

    w.writeStartElement(NS, "object");
    if (label != null)
        w.writeAttribute("name", label);
    for (;;) {/* w  w  w.  j a v  a  2s  . c  om*/
        if (r.peek() == JsonToken.END_OBJECT)
            break;
        if (r.peek() != JsonToken.NAME)
            throw new IllegalStateException(r.peek().name());
        String s = r.nextName();
        parse(s, r);
    }
    w.writeEndElement();
    r.endObject();
}

From source file:com.goide.dlv.JsonReaderEx.java

License:Apache License

/**
 * Returns the type of the next token without consuming it.
 *///  w  w  w  .  j  a  v a2  s . c o  m
@NotNull
public JsonToken peek() {
    int p = peeked;
    if (p == PEEKED_NONE) {
        p = doPeek();
    }

    switch (p) {
    case PEEKED_BEGIN_OBJECT:
        return JsonToken.BEGIN_OBJECT;
    case PEEKED_END_OBJECT:
        return JsonToken.END_OBJECT;
    case PEEKED_BEGIN_ARRAY:
        return JsonToken.BEGIN_ARRAY;
    case PEEKED_END_ARRAY:
        return JsonToken.END_ARRAY;
    case PEEKED_SINGLE_QUOTED_NAME:
    case PEEKED_DOUBLE_QUOTED_NAME:
    case PEEKED_UNQUOTED_NAME:
        return JsonToken.NAME;
    case PEEKED_TRUE:
    case PEEKED_FALSE:
        return JsonToken.BOOLEAN;
    case PEEKED_NULL:
        return JsonToken.NULL;
    case PEEKED_SINGLE_QUOTED:
    case PEEKED_DOUBLE_QUOTED:
    case PEEKED_UNQUOTED:
    case PEEKED_BUFFERED:
        return JsonToken.STRING;
    case PEEKED_LONG:
    case PEEKED_NUMBER:
        return JsonToken.NUMBER;
    case PEEKED_EOF:
        return JsonToken.END_DOCUMENT;
    default:
        throw new AssertionError();
    }
}

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;// w  ww.j  a v  a  2  s.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 ww .j a  v a2 s .c  o  m
    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.discovery.v1.query.AggregationDeserializer.java

License:Open Source License

/**
 * Checks the next {@link JsonToken} to decide the next appropriate parsing method.
 *
 * @param in {@link JsonReader} object used for parsing
 * @param objMap Map used to build the structure for the resulting {@link QueryAggregation} object
 * @throws IOException signals that there has been an IO exception
 *///from www  .  java  2 s  . c  om
private void parseNext(JsonReader in, HashMap<String, Object> objMap) throws IOException {
    JsonToken token = in.peek();

    String lastName = "";
    if (token == JsonToken.NAME) {
        lastName = in.nextName();
        token = in.peek();
    }

    switch (token) {
    case BEGIN_ARRAY:
        parseArray(in, objMap, lastName);
        break;
    case BEGIN_OBJECT:
        parseObject(in, objMap, lastName);
        break;
    case STRING:
        objMap.put(lastName, in.nextString());
        break;
    case NUMBER:
        objMap.put(lastName, in.nextDouble());
        break;
    case BOOLEAN:
        objMap.put(lastName, in.nextBoolean());
        break;
    default:
        throw new IOException("Unexpected JSON token encountered");
    }

    collapseMap(objMap);
}

From source file:com.magnet.android.mms.request.marshall.GsonStreamReader.java

License:Open Source License

@Override
public int getTokenType() throws MarshallingException {
    int result = TOKEN_TYPE_FIELD_VALUE;
    JsonToken tokenType;//  www. j a  v  a 2 s.c  o m
    try {
        tokenType = jr.peek();
    } catch (Exception e) {
        throw new MarshallingException(e);
    }
    if (tokenType == JsonToken.BEGIN_OBJECT) {
        result = TOKEN_TYPE_START_OBJECT;
    } else if (tokenType == JsonToken.BEGIN_ARRAY) {
        result = TOKEN_TYPE_START_ARRAY;
    } else if (tokenType == JsonToken.END_OBJECT) {
        result = TOKEN_TYPE_END_OBJECT;
    } else if (tokenType == JsonToken.END_ARRAY) {
        result = TOKEN_TYPE_END_ARRAY;
    } else if (tokenType == JsonToken.NAME) {
        result = TOKEN_TYPE_FIELD_NAME;
    } else if (tokenType == JsonToken.NULL) {
        result = TOKEN_TYPE_NULL;
    } else if (tokenType == JsonToken.END_DOCUMENT) {
        result = TOKEN_TYPE_END_DOCUMENT;
    }
    return result;
}

From source file:com.nridge.core.io.gson.JSONDocument.java

License:Open Source License

/**
 * Parses an JSON stream and loads it into an internally managed
 * document instance.//from w  w  w.  ja v  a2  s .co m
 *
 * @param aReader Json reader stream instance.
 *
 * @throws IOException I/O related exception.
 */
private void loadDocument(JsonReader aReader, Document aDocument) throws IOException {
    DataBag dataBag;
    JsonToken jsonToken;
    DataField dataField;
    String jsonName, jsonValue, jsonTitle;

    aReader.beginObject();

    jsonToken = aReader.peek();
    while (jsonToken == JsonToken.NAME) {
        jsonName = aReader.nextName();
        jsonTitle = Field.nameToTitle(jsonName);

        jsonToken = aReader.peek();
        switch (jsonToken) {
        case BOOLEAN:
            dataBag = aDocument.getBag();
            dataField = new DataField(jsonName, jsonTitle, aReader.nextBoolean());
            dataBag.add(dataField);
            break;
        case NUMBER:
            dataBag = aDocument.getBag();
            jsonValue = aReader.nextString();
            if (StringUtils.contains(jsonValue, StrUtl.CHAR_DOT))
                dataField = new DataField(jsonName, jsonTitle, Double.valueOf(jsonValue));
            else
                dataField = new DataField(jsonName, jsonTitle, Long.valueOf(jsonValue));
            dataBag.add(dataField);
            break;
        case STRING:
            dataBag = aDocument.getBag();
            jsonValue = aReader.nextString();
            Date dateValue = DatUtl.detectCreateDate(jsonValue);
            if (dateValue != null)
                dataField = new DataField(jsonName, jsonTitle, dateValue);
            else
                dataField = new DataField(Field.Type.Text, jsonName, jsonTitle, jsonValue);
            dataBag.add(dataField);
            break;
        case NULL:
            dataBag = aDocument.getBag();
            aReader.nextNull();
            dataField = new DataField(Field.Type.Text, jsonName, jsonTitle);
            dataBag.add(dataField);
            break;
        case BEGIN_ARRAY:
            aReader.beginArray();
            if (isNextTokenAnObject(aReader)) {
                Document childDocument = new Document(jsonTitle);
                childDocument.setName(jsonName);
                aDocument.addRelationship(jsonTitle, childDocument);
                loadDocumentArray(aReader, childDocument);
            } else {
                dataBag = aDocument.getBag();
                dataField = new DataField(Field.Type.Text, jsonName, jsonTitle);
                jsonToken = aReader.peek();
                while (jsonToken != JsonToken.END_ARRAY) {
                    jsonValue = aReader.nextString();
                    dataField.addValue(jsonValue);
                    jsonToken = aReader.peek();
                }
                dataBag.add(dataField);
            }
            aReader.endArray();
            break;
        case BEGIN_OBJECT:
            Document childDocument = new Document(jsonTitle);
            childDocument.setName(jsonName);
            aDocument.addRelationship(jsonTitle, childDocument);
            loadDocument(aReader, childDocument);
            break;
        default:
            aReader.skipValue();
            break;
        }
        jsonToken = aReader.peek();
    }

    aReader.endObject();
}

From source file:com.sap.core.odata.core.ep.consumer.JsonLinkConsumer.java

License:Apache License

/**
 * Reads a collection of links, optionally wrapped in a "d" object,
 * and optionally wrapped in an "results" object, where an additional "__count"
 * object could appear on the same level as the "results".
 * @param reader//from   w ww  . j  a v  a2s.  c  o  m
 * @param entitySet
 * @return links as List of Strings
 * @throws EntityProviderException
 */
public List<String> readLinks(final JsonReader reader, final EdmEntitySet entitySet)
        throws EntityProviderException {
    List<String> links = null;
    int openedObjects = 0;

    try {
        String nextName;
        if (reader.peek() == JsonToken.BEGIN_ARRAY) {
            nextName = FormatJson.RESULTS;
        } else {
            reader.beginObject();
            openedObjects++;
            nextName = reader.nextName();
        }
        if (FormatJson.D.equals(nextName)) {
            if (reader.peek() == JsonToken.BEGIN_ARRAY) {
                nextName = FormatJson.RESULTS;
            } else {
                reader.beginObject();
                openedObjects++;
                nextName = reader.nextName();
            }
        }
        FeedMetadataImpl feedMetadata = new FeedMetadataImpl();
        if (FormatJson.COUNT.equals(nextName)) {
            JsonFeedConsumer.readInlineCount(reader, feedMetadata);
            nextName = reader.nextName();
        }
        if (FormatJson.RESULTS.equals(nextName)) {
            links = readLinksArray(reader);
        } else {
            throw new EntityProviderException(EntityProviderException.INVALID_CONTENT
                    .addContent(FormatJson.RESULTS).addContent(nextName));
        }
        if (reader.hasNext() && reader.peek() == JsonToken.NAME) {
            if (FormatJson.COUNT.equals(reader.nextName())) {
                JsonFeedConsumer.readInlineCount(reader, feedMetadata);
            } else {
                throw new EntityProviderException(EntityProviderException.INVALID_CONTENT
                        .addContent(FormatJson.COUNT).addContent(nextName));
            }
        }
        for (; openedObjects > 0; openedObjects--) {
            reader.endObject();
        }

        reader.peek(); // to assert end of document
    } catch (final IOException e) {
        throw new EntityProviderException(
                EntityProviderException.EXCEPTION_OCCURRED.addContent(e.getClass().getSimpleName()), e);
    } catch (final IllegalStateException e) {
        throw new EntityProviderException(
                EntityProviderException.EXCEPTION_OCCURRED.addContent(e.getClass().getSimpleName()), e);
    }

    return links;
}