package com.gxhj.safecommunity.middleware.utils;
import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.*;
import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule;
import com.gxhj.commontools.utils.StringUtils;
import com.gxhj.core.exception.BusinessException;
import com.gxhj.safecommunity.device.entity.DeviceInfo;
import com.hjkj.commandentity.base.CommandArgument;
import com.hjkj.commandentity.base.CommandNames;
import com.hjkj.commandentity.base.CommandResult;
import com.hjkj.commandentity.request.RequestCommand;
import com.hjkj.commandentity.response.ResponseCommand;
import java.io.*;
import java.text.SimpleDateFormat;
import java.time.LocalDate;
import java.time.LocalDateTime;
import java.time.LocalTime;
import java.time.format.DateTimeFormatter;
import java.util.Date;
import java.util.Locale;
import java.util.TimeZone;
public class MiddlewareUtil {
/**
* 得到HTTP请求body中的JSON字符串
* @param inputStream
* @return
* @throws IOException
*/
public static String getRequestBodyJson(InputStream inputStream) throws IOException {
Reader input = new InputStreamReader(inputStream);
Writer output = new StringWriter();
char[] buffer = new char[1024];
int n = 0;
while(-1 != (n = input.read(buffer))) {
output.write(buffer, 0, n);
}
return output.toString();
}
/**
* json字符串转换成类
*/
public static <T extends CommandResult> ResponseCommand<T> jsonFormatResponseCommand(String json, Class<T> clazz) {
if (StringUtils.isEmpty(json)) {
throw new BusinessException("json字符串转换成类失败--json字符串为空");
}
ObjectMapper objMapper = getSerialObjMapper();
try {
JavaType javaTypeOfVehicle = objMapper.getTypeFactory().constructParametricType(ResponseCommand.class, clazz);
return objMapper.readValue(json, javaTypeOfVehicle);
} catch (JsonProcessingException e) {
throw new BusinessException("json转换类失败");
}
}
/**
* 类转换json字符串
*
* @param t
* @return {}
* @auther zhangJunPeng
* @date 2020/7/11 0011 14:40
*/
public static <T> String objectFormatJson(T t) {
ObjectMapper objectMapper = new ObjectMapper();
try {
return objectMapper.writeValueAsString(t);
} catch (JsonProcessingException e) {
throw new BusinessException("类转换json失败");
}
}
/**
* 获得序列化后的objectMapper
*
* @auther zhangJunPeng
* @date 2020/7/16 0016 16:29
*/
public static ObjectMapper getSerialObjMapper() {
// 设置ObjectMapper的反序列化
ObjectMapper objMapper = new ObjectMapper();
objMapper.disable(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS);
objMapper.disable(DeserializationFeature.ADJUST_DATES_TO_CONTEXT_TIME_ZONE);
objMapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
objMapper.setLocale(Locale.forLanguageTag("zh"));
objMapper.setTimeZone(TimeZone.getTimeZone("GMT+8"));
objMapper.setDateFormat(new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"));
JavaTimeModule javaTimeModule = new JavaTimeModule();
// LocalDateTime序列化
javaTimeModule.addSerializer(LocalDateTime.class, new JsonSerializer<LocalDateTime>() {
@Override
public void serialize(LocalDateTime dateTime, JsonGenerator jsonGenerator, SerializerProvider serializerProvider) throws IOException {
jsonGenerator.writeString(dateTime.format(DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss")));
}
});
// LocalDate序列化
javaTimeModule.addSerializer(LocalDate.class, new JsonSerializer<LocalDate>() {
@Override
public void serialize(LocalDate date, JsonGenerator jsonGenerator, SerializerProvider serializerProvider) throws IOException {
jsonGenerator.writeString(date.format(DateTimeFormatter.ofPattern("yyyy-MM-dd")));
}
});
// LocalTime序列化
javaTimeModule.addSerializer(LocalTime.class, new JsonSerializer<LocalTime>() {
@Override
public void serialize(LocalTime dateTime, JsonGenerator jsonGenerator, SerializerProvider serializerProvider) throws IOException {
jsonGenerator.writeString(dateTime.format(DateTimeFormatter.ofPattern("HH:mm:ss")));
}
});
// LocalDateTime反序列化
javaTimeModule.addDeserializer(LocalDateTime.class, new JsonDeserializer<LocalDateTime>() {
@Override
public LocalDateTime deserialize(JsonParser jsonParser, DeserializationContext deserializationContext) throws IOException, JsonProcessingException {
return LocalDateTime.parse(jsonParser.getText(), DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss"));
}
});
// LocalDate反序列化
javaTimeModule.addDeserializer(LocalDate.class, new JsonDeserializer<LocalDate>() {
@Override
public LocalDate deserialize(JsonParser jsonParser, DeserializationContext deserializationContext) throws IOException, JsonProcessingException {
return LocalDate.parse(jsonParser.getText(), DateTimeFormatter.ofPattern("yyyy-MM-dd"));
}
});
// LocalTime反序列化
javaTimeModule.addDeserializer(LocalTime.class, new JsonDeserializer<LocalTime>() {
@Override
public LocalTime deserialize(JsonParser jsonParser, DeserializationContext deserializationContext) throws IOException, JsonProcessingException {
return LocalTime.parse(jsonParser.getText(), DateTimeFormatter.ofPattern("HH:mm:ss"));
}
});
objMapper.registerModule(javaTimeModule);
return objMapper;
}
/***
* 将参数放入RequestCommand中
*/
public static <T extends CommandArgument> RequestCommand<T> putParamInRequestCommand(DeviceInfo deviceInfo, CommandNames commandName, T commandArgument) {
//指令信息
RequestCommand<T> requestCommand = new RequestCommand<>();
requestCommand.setCommandName(commandName);
requestCommand.setCreatetime(new Date());
//设备信息
CommandArgument cmdArg = commandArgument;
cmdArg.setIp(deviceInfo.getIpAddress());
cmdArg.setSdkport(deviceInfo.getServicePort());
cmdArg.setUsername(deviceInfo.getAccount());
cmdArg.setPassword(deviceInfo.getPassword());
cmdArg.setDeviceFactoryType(deviceInfo.getManufacturerCode().getValue());
// cmdArg.setDeviceTypes(deviceInfo.getDeviceType());
requestCommand.setCommandArg(commandArgument);
return requestCommand;
}
}
1.middleware
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