SpringBoot自定义json解析器

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import com.google.gson.*;import org.apache.commons.lang3.StringUtils;import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;import org.springframework.context.annotation.Bean;import org.springframework.context.annotation.Configuration;import java.lang.reflect.Type;import java.text.SimpleDateFormat;import java.util.Date;/** * @auth Qbit * @date 17-5-25. */@Configuration@ConditionalOnClass({Gson.class})public class GsonConfiguration {    private String format(Date date){        if(null==date)            return StringUtils.EMPTY;        String out=new SimpleDateFormat(Constant.DATE_PATTERN).format(date);        if("2517-04-24 00:00:00".equals(out))            return StringUtils.EMPTY;        return out;    }    private final GsonBuilder GSON_BUILDER;    public GsonConfiguration() {        GSON_BUILDER=new GsonBuilder();        class DateTypeAdapter implements JsonSerializer<Date>,                JsonDeserializer<Date> {            @Override            public Date deserialize(JsonElement json, Type t,                                    JsonDeserializationContext jsc) throws JsonParseException {                if (!(json instanceof JsonPrimitive))                    throw new JsonParseException(                            "The data should be a string value");                try {                    String string = json.getAsString();                    return new SimpleDateFormat(Constant.DATE_PATTERN).parse(string);                } catch (Exception e) {                    throw new JsonParseException(e);                }            }            @Override            public JsonElement serialize(Date date, Type arg1,                                         JsonSerializationContext arg2) {                return new JsonPrimitive(format(date));            }        }        DateTypeAdapter dta = new DateTypeAdapter();        GSON_BUILDER.registerTypeAdapter(Date.class, dta);        class OperationAdapter implements JsonSerializer<Where.Operation>,JsonDeserializer<Where.Operation>{            @Override            public Where.Operation deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context) throws JsonParseException {                String string=json.getAsString();                for(Where.Operation operation: Where.Operation.values()){                    if(operation.getCode().equalsIgnoreCase(string)||operation.toString().equalsIgnoreCase(string))                        return operation;                }                throw new JsonParseException("can not parse '"+string+"' to Where.Operation");            }            @Override            public JsonElement serialize(Where.Operation src, Type typeOfSrc, JsonSerializationContext context) {                return new JsonPrimitive(src.getCode());            }        }        OperationAdapter oa=new OperationAdapter();        GSON_BUILDER.registerTypeAdapter(Where.Operation.class,oa);    }    @Bean    public Gson gson(){        return GSON_BUILDER.create();    }}
需要注意要把该类放到spring扫描的路径里.提供TypeAdapter这种方法根本不行...
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