ObjectMapper&Splitter

Myth丶恋晨 2022-12-20 03:30 114阅读 0赞

public class Test {
    
        public static void main(String[] args) throws IOException {
            testJson2Time();
    //        testSplitter();
        }
    
        /**
         * Splitter
         */
        public static void testSplitter() {
            Splitter splitter = Splitter.on(",").trimResults().omitEmptyStrings();
    
            String source = "aa,  bb  , cc CC, dd";
    
            List<String> splitList = Lists.newArrayList(splitter.split(source));
    
            System.out.println(Joiner.on("-").join(splitList));
        }
    
        /**
         * ObjectMapper
         *
         * @throws IOException
         */
        public static void testJson2Time() throws IOException {
            ObjectMapper objectMapper = new ObjectMapper();
            objectMapper.setSerializationInclusion(Include.NON_NULL);
            objectMapper.disable(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES);
    
            JavaTimeModule javaTimeModule = new JavaTimeModule();
            javaTimeModule.addDeserializer(LocalTime.class, new LocalTimeDeserializer(
                    DateTimeFormatter.ofPattern("HH:mm:ss")));
    
            objectMapper.registerModule(javaTimeModule);
    
            String jsonStr = "[{\"start\":\"10:00\",\"end\":\"11:00\",\"bb\":\"bb\"},{\"start\":\"12:00\",\"end\":\"13:00\"}]";
            List<TimeData> timeDataList = objectMapper
                    .readValue(jsonStr, new TypeReference<ArrayList<TimeData>>() {
                            }
                    );
            System.out.println(timeDataList);
    
            String str = objectMapper.writeValueAsString(timeDataList);
            System.out.println(str);
        }
    
        @Data
        private static class TimeData {
    
            @JsonFormat(pattern = "HH:mm")
            private LocalTime start;
            @JsonFormat(pattern = "HH:mm")
            private LocalTime end;
    
            private String a;
        }
    }

ObjectMapper&Splitter

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