| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package org.apache.tinkerpop.gremlin.structure.io.binary.types; |
| |
| import org.apache.tinkerpop.gremlin.structure.io.binary.DataType; |
| import org.apache.tinkerpop.gremlin.structure.io.binary.GraphBinaryReader; |
| import org.apache.tinkerpop.gremlin.structure.io.binary.GraphBinaryWriter; |
| import org.apache.tinkerpop.gremlin.structure.io.Buffer; |
| |
| import java.nio.charset.StandardCharsets; |
| |
| public class StringSerializer extends SimpleTypeSerializer<String> { |
| public StringSerializer() { |
| super(DataType.STRING); |
| } |
| |
| @Override |
| protected String readValue(final Buffer buffer, final GraphBinaryReader context) { |
| // Use Netty 4.0 API (avoid ByteBuf#readCharSequence() method) to maximize compatibility |
| final byte[] bytes = new byte[buffer.readInt()]; |
| buffer.readBytes(bytes); |
| return new String(bytes, StandardCharsets.UTF_8); |
| } |
| |
| @Override |
| protected void writeValue(final String value, final Buffer buffer, final GraphBinaryWriter context) { |
| final byte[] stringBytes = value.getBytes(StandardCharsets.UTF_8); |
| buffer.writeInt(stringBytes.length).writeBytes(stringBytes); |
| } |
| } |