Example usage for com.google.gson JsonPrimitive isString

List of usage examples for com.google.gson JsonPrimitive isString

  1. HOME
  2. Java
  3. com.google.gson
  4. com.google.gson.*
  5. JsonPrimitive
  6. isString

Introduction

In this page you can find the example usage for com.google.gson JsonPrimitive isString.

Prototype

public boolean isString()

Source Link

Document

Check whether this primitive contains a String value.

Usage

From source file:org.dashbuilder.dataprovider.backend.elasticsearch.rest.impl.jest.ElasticSearchJestClient.java

License:Apache License

/**
 * Parses a given value (for a given column type) returned by response JSON query body from EL server.
 *
 * @param column       The data column definition.
 * @param valueElement The value element from JSON query response to format.
 * @return The object value for the given column type.
 *//*ww  w.  j  a  va 2 s  .  c o m*/
public Object parseValue(DataSetMetadata metadata, DataColumn column, JsonElement valueElement)
        throws ParseException {
    if (column == null || valueElement == null || valueElement.isJsonNull())
        return null;
    if (!valueElement.isJsonPrimitive())
        throw new RuntimeException("Not expected JsonElement type to parse from query response.");

    ElasticSearchDataSetDef def = (ElasticSearchDataSetDef) metadata.getDefinition();
    JsonPrimitive valuePrimitive = valueElement.getAsJsonPrimitive();
    ColumnType columnType = column.getColumnType();

    if (ColumnType.TEXT.equals(columnType)) {
        return typeMapper.parseText(def, column.getId(), valueElement.getAsString());
    } else if (ColumnType.LABEL.equals(columnType)) {
        boolean isColumnGroup = column.getColumnGroup() != null
                && column.getColumnGroup().getStrategy().equals(GroupStrategy.FIXED);
        return typeMapper.parseLabel(def, column.getId(), valueElement.getAsString(), isColumnGroup);

    } else if (ColumnType.NUMBER.equals(columnType)) {
        return typeMapper.parseNumeric(def, column.getId(), valueElement.getAsString());

    } else if (ColumnType.DATE.equals(columnType)) {

        // We can expect two return core types from EL server when handling dates:
        // 1.- String type, using the field pattern defined in the index' mappings, when it's result of a query without aggregations.
        // 2.- Numeric type, when it's result from a scalar function or a value pickup.

        if (valuePrimitive.isString()) {
            return typeMapper.parseDate(def, column.getId(), valuePrimitive.getAsString());
        }

        if (valuePrimitive.isNumber()) {
            return typeMapper.parseDate(def, column.getId(), valuePrimitive.getAsLong());
        }

    }

    throw new UnsupportedOperationException("Cannot parse value for column with id [" + column.getId()
            + "] (Data Set UUID [" + def.getUUID()
            + "]). Value core type not supported. Expecting string or number or date core field types.");

}

From source file:org.debux.webmotion.server.call.ClientSession.java

License:Open Source License

/**
 * Return only JsonElement use getAttribute and getAttributes with class as 
 * parameter to get a value./* ww w. jav a2  s.c  o  m*/
 */
@Override
public Object getAttribute(String name) {
    JsonElement value = attributes.get(name);
    if (value == null) {
        return value;

    } else if (value.isJsonPrimitive()) {
        JsonPrimitive primitive = value.getAsJsonPrimitive();
        if (primitive.isString()) {
            return primitive.getAsString();

        } else if (primitive.isBoolean()) {
            return primitive.getAsBoolean();

        } else if (primitive.isNumber()) {
            return primitive.getAsDouble();
        }

    } else if (value.isJsonArray()) {
        return value.getAsJsonArray();

    } else if (value.isJsonObject()) {
        return value.getAsJsonObject();

    } else if (value.isJsonNull()) {
        return value.getAsJsonNull();
    }
    return value;
}

From source file:org.devnexus.aerogear.ShadowStore.java

License:Apache License

private void saveElement(JsonObject serialized, String path, Serializable id) {
    String sql = String.format(
            "insert into shadow_%s_property (PROPERTY_NAME, PROPERTY_VALUE, PARENT_ID) values (?,?,?)",
            className);//w  w  w .j a  v a  2  s  .c o  m
    Set<Map.Entry<String, JsonElement>> members = serialized.entrySet();
    String pathVar = path.isEmpty() ? "" : ".";
    for (Map.Entry<String, JsonElement> member : members) {
        JsonElement jsonValue = member.getValue();
        String propertyName = member.getKey();
        if (jsonValue.isJsonObject()) {
            saveElement((JsonObject) jsonValue, path + pathVar + propertyName, id);
        } else if (jsonValue.isJsonArray()) {
            JsonArray jsonArray = jsonValue.getAsJsonArray();
            for (int index = 0; index < jsonArray.size(); index++) {
                JsonElement arrayElement = jsonArray.get(index);
                if (arrayElement.isJsonPrimitive()) {
                    JsonPrimitive primitive = arrayElement.getAsJsonPrimitive();
                    if (primitive.isBoolean()) {
                        String value = primitive.getAsBoolean() ? "true" : "false";
                        getDatabase().execSQL(sql, new Object[] {
                                path + pathVar + propertyName + String.format("[%d]", index), value, id });
                    } else if (primitive.isNumber()) {
                        Number value = primitive.getAsNumber();
                        getDatabase().execSQL(sql, new Object[] {
                                path + pathVar + propertyName + String.format("[%d]", index), value, id });
                    } else if (primitive.isString()) {
                        String value = primitive.getAsString();
                        getDatabase().execSQL(sql, new Object[] {
                                path + pathVar + propertyName + String.format("[%d]", index), value, id });
                    } else {
                        throw new IllegalArgumentException(
                                arrayElement + " isn't a number, boolean, or string");
                    }

                } else {
                    saveElement(arrayElement.getAsJsonObject(),
                            path + pathVar + propertyName + String.format("[%d]", index), id);
                }

            }
        } else {
            if (jsonValue.isJsonPrimitive()) {
                JsonPrimitive primitive = jsonValue.getAsJsonPrimitive();
                if (primitive.isBoolean()) {
                    String value = primitive.getAsBoolean() ? "true" : "false";
                    getDatabase().execSQL(sql, new Object[] { path + pathVar + propertyName, value, id });
                } else if (primitive.isNumber()) {
                    Number value = primitive.getAsNumber();
                    getDatabase().execSQL(sql, new Object[] { path + pathVar + propertyName, value, id });
                } else if (primitive.isString()) {
                    String value = primitive.getAsString();
                    getDatabase().execSQL(sql, new Object[] { path + pathVar + propertyName, value, id });
                } else {
                    throw new IllegalArgumentException(jsonValue + " isn't a number, boolean, or string");
                }

            } else {
                throw new IllegalArgumentException(jsonValue + " isn't a JsonPrimitive");
            }

        }
    }
}

From source file:org.devnexus.aerogear.ShadowStore.java

License:Apache License

private void buildKeyValuePairs(JsonObject where, List<Pair<String, String>> keyValues, String parentPath) {
    Set<Map.Entry<String, JsonElement>> keys = where.entrySet();
    String pathVar = parentPath.isEmpty() ? "" : ".";//Set a dot if parent path is not empty
    for (Map.Entry<String, JsonElement> entry : keys) {
        String key = entry.getKey();
        String path = parentPath + pathVar + key;
        JsonElement jsonValue = entry.getValue();
        if (jsonValue.isJsonObject()) {
            buildKeyValuePairs((JsonObject) jsonValue, keyValues, path);
        } else {//from w ww.java2 s.  com
            if (jsonValue.isJsonPrimitive()) {
                JsonPrimitive primitive = jsonValue.getAsJsonPrimitive();
                if (primitive.isBoolean()) {
                    String value = primitive.getAsBoolean() ? "true" : "false";
                    keyValues.add(new Pair<String, String>(path, value));
                } else if (primitive.isNumber()) {
                    Number value = primitive.getAsNumber();
                    keyValues.add(new Pair<String, String>(path, value.toString()));
                } else if (primitive.isString()) {
                    String value = primitive.getAsString();
                    keyValues.add(new Pair<String, String>(path, value));
                } else {
                    throw new IllegalArgumentException(jsonValue + " isn't a number, boolean, or string");
                }

            } else {
                throw new IllegalArgumentException(jsonValue + " isn't a JsonPrimitive");
            }

        }
    }
}

From source file:org.eclim.Eclim.java

License:Open Source License

public static Object toType(JsonElement json) {
    // null/*from  w w w . ja v  a  2  s . com*/
    if (json.isJsonNull()) {
        return null;

        // int, double, boolean, String
    } else if (json.isJsonPrimitive()) {
        JsonPrimitive prim = json.getAsJsonPrimitive();
        if (prim.isBoolean()) {
            return prim.getAsBoolean();
        } else if (prim.isString()) {
            return prim.getAsString();
        } else if (prim.isNumber()) {
            if (prim.getAsString().indexOf('.') != -1) {
                return prim.getAsDouble();
            }
            return prim.getAsInt();
        }

        // List
    } else if (json.isJsonArray()) {
        ArrayList<Object> type = new ArrayList<Object>();
        for (JsonElement element : json.getAsJsonArray()) {
            type.add(toType(element));
        }
        return type;

        // Map
    } else if (json.isJsonObject()) {
        HashMap<String, Object> type = new HashMap<String, Object>();
        for (Map.Entry<String, JsonElement> entry : json.getAsJsonObject().entrySet()) {
            type.put(entry.getKey(), toType(entry.getValue()));
        }
        return type;
    }

    return null;
}

From source file:org.eclipse.che.api.core.jsonrpc.impl.GsonJsonRpcUnmarshaller.java

License:Open Source License

private Object getInnerItem(JsonElement jsonElement) {
    if (jsonElement.isJsonNull()) {
        return null;
    }/*  www  . ja  v a 2  s .  c om*/

    if (jsonElement.isJsonObject()) {
        return jsonElement.getAsJsonObject();
    }

    if (jsonElement.isJsonPrimitive()) {
        JsonPrimitive jsonPrimitive = jsonElement.getAsJsonPrimitive();
        if (jsonPrimitive.isNumber()) {
            return jsonPrimitive.getAsDouble();
        } else if (jsonPrimitive.isString()) {
            return jsonPrimitive.getAsString();
        } else {
            return jsonPrimitive.getAsBoolean();
        }
    }

    throw new IllegalStateException("Unexpected json element type");
}

From source file:org.eclipse.leshan.server.demo.servlet.json.LwM2mNodeDeserializer.java

License:Open Source License

private org.eclipse.leshan.core.model.ResourceModel.Type getTypeFor(JsonPrimitive val) {
    if (val.isBoolean())
        return org.eclipse.leshan.core.model.ResourceModel.Type.BOOLEAN;
    if (val.isString())
        return org.eclipse.leshan.core.model.ResourceModel.Type.STRING;
    if (val.isNumber()) {
        if (val.getAsDouble() == val.getAsLong()) {
            return org.eclipse.leshan.core.model.ResourceModel.Type.INTEGER;
        } else {//from www .  j  a  v a  2  s  .  c  o  m
            return org.eclipse.leshan.core.model.ResourceModel.Type.FLOAT;
        }
    }
    // use string as default value
    return org.eclipse.leshan.core.model.ResourceModel.Type.STRING;
}

From source file:org.eclipse.leshan.standalone.servlet.json.LwM2mNodeDeserializer.java

License:Open Source License

private Value<?> deserializeValue(JsonPrimitive val) {
    Value<?> value = null;//from  ww w  . j  av  a2s .  c  om
    if (val.isNumber()) {

        Number n = val.getAsNumber();
        if (n.doubleValue() == (long) n.doubleValue()) {
            Long lValue = Long.valueOf(n.longValue());
            if (lValue >= Integer.MIN_VALUE && lValue <= Integer.MAX_VALUE) {
                value = Value.newIntegerValue(lValue.intValue());
            } else {
                value = Value.newLongValue(lValue);
            }
        } else {
            Double dValue = Double.valueOf(n.doubleValue());
            if (dValue >= Float.MIN_VALUE && dValue <= Float.MAX_VALUE) {
                value = Value.newFloatValue(dValue.floatValue());
            } else {
                value = Value.newDoubleValue(dValue);
            }
        }

    } else if (val.isBoolean()) {
        value = Value.newBooleanValue(val.getAsBoolean());
    } else if (val.isString()) {
        value = Value.newStringValue(val.getAsString());
    }
    return value;
}

From source file:org.eclipse.milo.opcua.binaryschema.gson.JsonStructureCodec.java

License:Open Source License

@Override
protected Object memberTypeToOpcUaScalar(JsonElement member, String typeName) {
    if (member == null || member.isJsonNull()) {
        return null;
    } else if (member.isJsonArray()) {
        JsonArray array = member.getAsJsonArray();

        switch (typeName) {
        case "ByteString": {
            byte[] bs = new byte[array.size()];

            for (int i = 0; i < array.size(); i++) {
                bs[i] = array.get(i).getAsByte();
            }//from ww w. jav a 2 s .co m

            return ByteString.of(bs);
        }

        default:
            return array;
        }
    } else if (member.isJsonObject()) {
        JsonObject jsonObject = member.getAsJsonObject();

        switch (typeName) {
        case "QualifiedName": {
            return new QualifiedName(jsonObject.get("namespaceIndex").getAsInt(),
                    jsonObject.get("name").getAsString());
        }
        case "LocalizedText": {
            return new LocalizedText(jsonObject.get("locale").getAsString(),
                    jsonObject.get("text").getAsString());
        }

        default:
            return jsonObject;
        }
    } else if (member.isJsonPrimitive()) {
        JsonPrimitive primitive = member.getAsJsonPrimitive();

        if (primitive.isBoolean()) {
            return primitive.getAsBoolean();
        } else if (primitive.isString()) {
            switch (typeName) {
            case "Guid":
                return UUID.fromString(primitive.getAsString());

            case "NodeId":
                return NodeId.parseSafe(primitive.getAsString()).orElse(NodeId.NULL_VALUE);

            case "ExpandedNodeId":
                return ExpandedNodeId.parse(primitive.getAsString());

            case "XmlElement":
                return new XmlElement(primitive.getAsString());

            default:
                return primitive.getAsString();
            }
        } else if (primitive.isNumber()) {
            switch (typeName) {
            case "SByte":
                return primitive.getAsByte();
            case "Int16":
                return primitive.getAsShort();
            case "Int32":
                return primitive.getAsInt();
            case "Int64":
                return primitive.getAsLong();

            case "Byte":
                return ubyte(primitive.getAsShort());
            case "UInt16":
                return ushort(primitive.getAsInt());
            case "UInt32":
                return uint(primitive.getAsLong());
            case "UInt64":
                return ulong(primitive.getAsBigInteger());

            case "Float":
                return primitive.getAsFloat();
            case "Double":
                return primitive.getAsDouble();

            case "DateTime":
                return new DateTime(primitive.getAsLong());

            case "StatusCode":
                return new StatusCode(primitive.getAsLong());

            default:
                return primitive.getAsNumber();
            }
        }
    }

    return null;
}

From source file:org.eclipse.smarthome.automation.parser.gson.internal.ConfigurationDeserializer.java

License:Open Source License

@Override
public Configuration deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context)
        throws JsonParseException {

    Configuration configuration = new Configuration();
    JsonObject jo = (JsonObject) json;//from  w  w  w  . j av  a  2  s  .  co  m
    for (Entry<String, JsonElement> e : jo.entrySet()) {
        JsonPrimitive value = e.getValue().getAsJsonPrimitive();
        if (value.isString()) {
            configuration.put(e.getKey(), value.getAsString());
        } else if (value.isNumber()) {
            configuration.put(e.getKey(), value.getAsBigDecimal());
        } else if (value.isBoolean()) {
            configuration.put(e.getKey(), value.getAsBoolean());
        }
    }
    return configuration;
}