| 提交 | 用户 | age | ||
| a6a76f | 1 | package com.yc.utils; |
| F | 2 | import java.io.IOException; |
| 3 | ||
| 4 | import com.google.gson.TypeAdapter; | |
| 5 | import com.google.gson.stream.JsonReader; | |
| 6 | import com.google.gson.stream.JsonToken; | |
| 7 | import com.google.gson.stream.JsonWriter; | |
| 8 | /** | |
| 9 | * | |
| 10 | * Gson转换类 | |
| 11 | * */ | |
| 12 | public class StringNullAdapter extends TypeAdapter<String> { | |
| 13 | @Override | |
| 14 | public String read(JsonReader reader) throws IOException { | |
| 15 | // TODO Auto-generated method stub | |
| 16 | if (reader.peek() == JsonToken.NULL) { | |
| 17 | reader.nextNull(); | |
| 18 | return ""; | |
| 19 | } | |
| 20 | return reader.nextString(); | |
| 21 | } | |
| 22 | @Override | |
| 23 | public void write(JsonWriter writer, String value) throws IOException { | |
| 24 | // TODO Auto-generated method stub | |
| 25 | if (value == null) { | |
| 26 | writer.nullValue(); | |
| 27 | return; | |
| 28 | } | |
| 29 | writer.value(value); | |
| 30 | } | |
| 31 | } | |
