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

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

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Introduction

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

Prototype

public double nextDouble() throws IOException

Source Link

Document

Returns the com.google.gson.stream.JsonToken#NUMBER double value of the next token, consuming it.

Usage

From source file:eu.jtzipi.project0.common.json.impl.GsonReadWrite.java

License:Apache License

static Collection<Object> parseArray(final JsonReader jsonReader) throws IOException {
    assert null != jsonReader : "DEBUG: The json Reader is null";

    Collection<Object> l = new ArrayList<>();
    JsonToken tok;//from   www . ja  va 2s  .  c  o m

    //
    while (jsonReader.hasNext()) {

        tok = jsonReader.peek();
        // we reach the end of this array
        if (JsonToken.END_ARRAY == tok) {
            jsonReader.endArray();
            // return
            break;
        }
        // what token
        switch (tok) {
        // if array/map - parse and append
        case BEGIN_ARRAY:
            l.add(parseArray(jsonReader));
            break;
        case BEGIN_OBJECT:
            l.add(parseObject(jsonReader));
            break;
        // if raw type
        case STRING:
            l.add(jsonReader.nextString());
            break;
        case BOOLEAN:
            l.add(jsonReader.nextBoolean());
            break;
        case NUMBER:
            l.add(jsonReader.nextDouble());
            break;
        // if null , add null and consume
        case NULL:
            l.add(null);
            jsonReader.nextNull();
            break;

        // all other cases are errors
        default:
            throw new IllegalStateException("Wrong Token '" + tok + "' , while parsing an array");
        }
    }

    return l;
}

From source file:eu.jtzipi.project0.common.json.impl.GsonReadWrite.java

License:Apache License

static Map<String, Object> parseObject(final JsonReader jsonReader) throws IOException {

    Map<String, Object> map = new HashMap<>();
    String tempKey;/*from ww  w .ja  va 2 s. c  o  m*/
    JsonToken tok;
    //
    while (jsonReader.hasNext()) {

        // since we want to restore a map we assue a key/value pair
        tempKey = jsonReader.nextName();
        //
        tok = jsonReader.peek();
        // we reach the end of this array
        if (JsonToken.END_ARRAY == tok) {
            jsonReader.endArray();
            // return
            break;
        }
        // what token
        switch (tok) {
        // if array/map - parse and append
        case BEGIN_ARRAY:
            map.put(tempKey, parseArray(jsonReader));
            break;
        case BEGIN_OBJECT:
            map.put(tempKey, parseObject(jsonReader));
            break;
        // if raw type
        case STRING:
            map.put(tempKey, jsonReader.nextString());
            break;
        case BOOLEAN:
            map.put(tempKey, jsonReader.nextBoolean());
            break;
        case NUMBER:
            map.put(tempKey, jsonReader.nextDouble());
            break;
        // if null , add null and consume
        case NULL:
            map.put(tempKey, null);
            jsonReader.nextNull();
            break;

        // all other cases are errors
        default:
            throw new IllegalStateException("Wrong Token '" + tok + "' , while parsing an array");
        }
    }

    return map;
}

From source file:io.grpc.internal.JsonParser.java

License:Apache License

private static Object parseRecursive(JsonReader jr) throws IOException {
    checkState(jr.hasNext(), "unexpected end of JSON");
    switch (jr.peek()) {
    case BEGIN_ARRAY:
        return parseJsonArray(jr);
    case BEGIN_OBJECT:
        return parseJsonObject(jr);
    case STRING:/*from  w w w.  j a  v  a 2 s. c  o  m*/
        return jr.nextString();
    case NUMBER:
        return jr.nextDouble();
    case BOOLEAN:
        return jr.nextBoolean();
    case NULL:
        return parseJsonNull(jr);
    default:
        throw new IllegalStateException("Bad token: " + jr.getPath());
    }
}

From source file:it.units.inginf.male.outputs.gson.DoubleTypeAdapter.java

License:Open Source License

@Override
public Double read(JsonReader in) throws IOException {
    if (in.peek() == JsonToken.NULL) {
        in.nextNull();/*ww  w . j  a v a  2  s .c o m*/
        return null;
    }
    Double nextDouble;
    try {
        //nextDouble parses as a double or fallback to parsing a string using Java parseDouble which MANAGES NaN
        nextDouble = in.nextDouble();
    } catch (NumberFormatException ex) {
        nextDouble = Double.NaN;
    }
    return nextDouble;
}

From source file:net.visualillusionsent.newu.NewUStation.java

License:Open Source License

NewUStation(String stationName, JsonReader reader) throws IOException {
    String tempName = stationName == null ? UUID.randomUUID().toString() : stationName;
    this.discoverers = Collections.synchronizedList(new ArrayList<String>());

    this.station = new Location(0, 0, 0); // Initialize
    while (reader.hasNext()) {
        String object = reader.nextName();

        if (object.equals("Name")) {
            tempName = reader.nextString();
        }/*from   www.  j  av  a 2  s  . co  m*/
        if (object.equals("World")) {
            station.setWorldName(reader.nextString());
        } else if (object.equals("Dimension")) {
            station.setType(DimensionType.fromName(reader.nextString()));
        } else if (object.equals("X")) {
            station.setX(reader.nextDouble());
        } else if (object.equals("Y")) {
            station.setY(reader.nextDouble());
        } else if (object.equals("Z")) {
            station.setZ(reader.nextDouble());
        } else if (object.equals("RotX")) {
            station.setRotation((float) reader.nextDouble());
        } else if (object.equals("RotY")) {
            station.setPitch((float) reader.nextDouble());
        } else {
            reader.skipValue(); // Unknown
        }
    }
    this.name = tempName;
}

From source file:ninja.leaping.configurate.gson.GsonConfigurationLoader.java

License:Apache License

private void parseValue(JsonReader parser, ConfigurationNode node) throws IOException {
    JsonToken token = parser.peek();/*  w ww  .java2s. co m*/
    switch (token) {
    case BEGIN_OBJECT:
        parseObject(parser, node);
        break;
    case BEGIN_ARRAY:
        parseArray(parser, node);
        break;
    case NUMBER:
        double nextDouble = parser.nextDouble();
        int nextInt = (int) nextDouble;
        long nextLong = (long) nextDouble;
        if (nextInt == nextDouble) {
            node.setValue(nextInt); // They don't do much for us here in Gsonland
        } else if (nextLong == nextDouble) {
            node.setValue(nextLong);
        } else {
            node.setValue(nextDouble);
        }
        break;
    case STRING:
        node.setValue(parser.nextString());
        break;
    case BOOLEAN:
        node.setValue(parser.nextBoolean());
        break;
    case NULL: // Ignored values
    case NAME:
        break;
    default:
        throw new IOException("Unsupported token type: " + token);
    }
}

From source file:org.apache.olingo.odata2.core.ep.consumer.JsonPropertyConsumer.java

License:Apache License

private Object readSimpleProperty(final JsonReader reader, final EntityPropertyInfo entityPropertyInfo,
        final Object typeMapping, final EntityProviderReadProperties readProperties)
        throws EdmException, EntityProviderException, IOException {
    final EdmSimpleType type = (EdmSimpleType) entityPropertyInfo.getType();
    Object value = null;//from  w  w w  . java  2s  .  c o  m
    final JsonToken tokenType = reader.peek();
    if (tokenType == JsonToken.NULL) {
        reader.nextNull();
    } else {
        switch (EdmSimpleTypeKind.valueOf(type.getName())) {
        case Boolean:
            if (tokenType == JsonToken.BOOLEAN) {
                value = reader.nextBoolean();
                value = value.toString();
            } else {
                throw new EntityProviderException(EntityProviderException.INVALID_PROPERTY_VALUE
                        .addContent(entityPropertyInfo.getName()));
            }
            break;
        case Byte:
        case SByte:
        case Int16:
        case Int32:
            if (tokenType == JsonToken.NUMBER) {
                value = reader.nextInt();
                value = value.toString();
            } else {
                throw new EntityProviderException(EntityProviderException.INVALID_PROPERTY_VALUE
                        .addContent(entityPropertyInfo.getName()));
            }
            break;
        case Single:
        case Double:
            if (tokenType == JsonToken.STRING) {
                value = reader.nextString();
            } else if (tokenType == JsonToken.NUMBER) {
                value = reader.nextDouble();
                value = value.toString();
            } else {
                throw new EntityProviderException(EntityProviderException.INVALID_PROPERTY_VALUE
                        .addContent(entityPropertyInfo.getName()));
            }
            break;
        default:
            if (tokenType == JsonToken.STRING) {
                value = reader.nextString();
            } else {
                throw new EntityProviderException(EntityProviderException.INVALID_PROPERTY_VALUE
                        .addContent(entityPropertyInfo.getName()));
            }
            break;
        }
    }

    final Class<?> typeMappingClass = typeMapping == null ? type.getDefaultType() : (Class<?>) typeMapping;
    final EdmFacets facets = readProperties == null || readProperties.isValidatingFacets()
            ? entityPropertyInfo.getFacets()
            : null;
    return type.valueOfString((String) value, EdmLiteralKind.JSON, facets, typeMappingClass);
}

From source file:org.bimserver.client.ClientIfcModel.java

License:Open Source License

private Object readPrimitive(JsonReader jsonReader, EStructuralFeature eStructuralFeature) throws IOException {
    EClassifier eClassifier = eStructuralFeature.getEType();
    if (eClassifier == EcorePackage.eINSTANCE.getEString()) {
        return jsonReader.nextString();
    } else if (eClassifier == EcorePackage.eINSTANCE.getEDouble()
            || eClassifier == EcorePackage.eINSTANCE.getEDoubleObject()) {
        return jsonReader.nextDouble();
    } else if (eClassifier == EcorePackage.eINSTANCE.getEFloat()
            || eClassifier == EcorePackage.eINSTANCE.getEFloatObject()) {
        return (float) jsonReader.nextDouble();
    } else if (eClassifier == EcorePackage.eINSTANCE.getEBoolean()
            || eClassifier == EcorePackage.eINSTANCE.getEBooleanObject()) {
        return jsonReader.nextBoolean();
    } else if (eClassifier == EcorePackage.eINSTANCE.getEInt()
            || eClassifier == EcorePackage.eINSTANCE.getEIntegerObject()) {
        return jsonReader.nextInt();
    } else if (eClassifier == EcorePackage.eINSTANCE.getEEnum()) {
        // TODO DOES THIS EVER HAPPEN??
        if (jsonReader.peek() == JsonToken.BOOLEAN) {
            EEnum eEnum = (EEnum) eStructuralFeature.getEType();
            return eEnum.getEEnumLiteral(("" + jsonReader.nextBoolean()).toUpperCase()).getInstance();
        } else {/*from w w  w  . j  a va  2 s . co m*/
            EEnum eEnum = (EEnum) eStructuralFeature.getEType();
            return eEnum.getEEnumLiteral(jsonReader.nextString()).getInstance();
        }
    } else if (eClassifier instanceof EClass) {
        throw new RuntimeException();
    } else if (eClassifier == EcorePackage.eINSTANCE.getEByteArray()) {
        return Base64.decodeBase64(jsonReader.nextString().getBytes(Charsets.UTF_8));
    } else if (eClassifier instanceof EEnum) {
        if (jsonReader.peek() == JsonToken.BOOLEAN) {
            EEnum eEnum = (EEnum) eStructuralFeature.getEType();
            return eEnum.getEEnumLiteral(("" + jsonReader.nextBoolean()).toUpperCase()).getInstance();
        } else {
            EEnum eEnum = (EEnum) eStructuralFeature.getEType();
            return eEnum.getEEnumLiteral(jsonReader.nextString()).getInstance();
        }
    } else {
        throw new RuntimeException("Unimplemented type " + eStructuralFeature.getEType().getName());
    }
}

From source file:org.bimserver.client.ClientIfcModel.java

License:Open Source License

@SuppressWarnings({ "unused", "resource" })
public void getGeometry(IfcProduct ifcProduct) {
    try {/*from  w  w w  .j a  va  2 s .  c  om*/
        Long downloadByOids = bimServerClient.getBimsie1ServiceInterface().downloadByOids(
                Collections.singleton(roid), Collections.singleton(ifcProduct.getOid()),
                getJsonGeometrySerializerOid(), true, false);
        InputStream downloadData = bimServerClient.getDownloadData(downloadByOids,
                getJsonGeometrySerializerOid());
        JsonReader jsonReader = new JsonReader(new InputStreamReader(downloadData));
        jsonReader.beginObject();
        if (jsonReader.nextName().equals("geometry")) {
            jsonReader.beginArray();
            while (jsonReader.hasNext()) {
                jsonReader.beginObject();
                if (jsonReader.nextName().equals("material")) {
                    String material = jsonReader.nextString();
                    if (jsonReader.nextName().equals("type")) {
                        String type = jsonReader.nextString();
                        if (jsonReader.nextName().equals("coreId")) {
                            String coreid = jsonReader.nextString();
                            if (jsonReader.nextName().equals("primitive")) {
                                String primitive = jsonReader.nextString();
                                if (jsonReader.nextName().equals("positions")) {
                                    jsonReader.beginArray();
                                    while (jsonReader.hasNext()) {
                                        double position = jsonReader.nextDouble();
                                    }
                                    jsonReader.endArray();
                                    if (jsonReader.nextName().equals("normals")) {
                                        jsonReader.beginArray();
                                        while (jsonReader.hasNext()) {
                                            double normal = jsonReader.nextDouble();
                                        }
                                        jsonReader.endArray();
                                        if (jsonReader.nextName().equals("nrindices")) {
                                            int nrindices = jsonReader.nextInt();
                                        }
                                    }
                                }
                            }
                        }
                    }
                }
                jsonReader.endObject();
            }
            jsonReader.endArray();
        }
        jsonReader.endObject();
    } catch (Exception e) {
        LOGGER.error("", e);
    }
}

From source file:org.bimserver.deserializers.JsonDeserializer.java

License:Open Source License

private Object readPrimitive(JsonReader jsonReader, EStructuralFeature eStructuralFeature) throws IOException {
    EClassifier eClassifier = eStructuralFeature.getEType();
    if (eClassifier == EcorePackage.eINSTANCE.getEString()) {
        return jsonReader.nextString();
    } else if (eClassifier == EcorePackage.eINSTANCE.getEDouble()) {
        return jsonReader.nextDouble();
    } else if (eClassifier == EcorePackage.eINSTANCE.getEBoolean()) {
        return jsonReader.nextBoolean();
    } else if (eClassifier == EcorePackage.eINSTANCE.getEInt()) {
        return jsonReader.nextInt();
    } else if (eClassifier == EcorePackage.eINSTANCE.getEEnum()) {
        EEnum eEnum = (EEnum) eStructuralFeature.getEType();
        return eEnum.getEEnumLiteral(jsonReader.nextString()).getInstance();
    } else if (eClassifier instanceof EClass) {
        if (eStructuralFeature.getEType().getName().equals("IfcGloballyUniqueId")) {
            IfcGloballyUniqueId ifcGloballyUniqueId = Ifc2x3tc1Factory.eINSTANCE.createIfcGloballyUniqueId();
            ifcGloballyUniqueId.setWrappedValue(jsonReader.nextString());
            return ifcGloballyUniqueId;
        } else {/*www  . ja  v a2 s.co  m*/
            throw new RuntimeException();
        }
    } else if (eClassifier instanceof EEnum) {
        EEnum eEnum = (EEnum) eStructuralFeature.getEType();
        return eEnum.getEEnumLiteral(jsonReader.nextString()).getInstance();
    } else {
        throw new RuntimeException("Unimplemented type " + eStructuralFeature.getEType().getName());
    }
}