com.google.gson.JsonElement.isJsonNull()方法的使用及代码示例

x33g5p2x  于2022-01-21 转载在 其他  
字(10.6k)|赞(0)|评价(0)|浏览(384)

本文整理了Java中com.google.gson.JsonElement.isJsonNull()方法的一些代码示例，展示了JsonElement.isJsonNull()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。JsonElement.isJsonNull()方法的具体详情如下：
包路径：com.google.gson.JsonElement
类名称：JsonElement
方法名：isJsonNull

JsonElement.isJsonNull介绍

[英]provides check for verifying if this element represents a null value or not.
[中]提供检查以验证此元素是否表示空值。

代码示例

代码示例来源：origin: fabric8io/docker-maven-plugin

@Override
public String getIPAddress() {
  if (json.has(NETWORK_SETTINGS) && !json.get(NETWORK_SETTINGS).isJsonNull()) {
    JsonObject networkSettings = json.getAsJsonObject(NETWORK_SETTINGS);
    if (!networkSettings.get(IP).isJsonNull()) {
      return networkSettings.get(IP).getAsString();
    }
  }
  return null;
}

代码示例来源：origin: searchbox-io/Jest

protected List<String> extractSort(JsonArray sort) {
  if (sort == null) {
    return null;
  }
  List<String> retval = new ArrayList<String>(sort.size());
  for (JsonElement sortValue : sort) {
    retval.add(sortValue.isJsonNull() ? "" : sortValue.getAsString());
  }
  return retval;
}

代码示例来源：origin: searchbox-io/Jest

public CardinalityAggregation(String name, JsonObject cardinalityAggregation) {
  super(name, cardinalityAggregation);
  if(cardinalityAggregation.has(String.valueOf(VALUE)) && !cardinalityAggregation.get(String.valueOf(VALUE)).isJsonNull()) {
    cardinality = cardinalityAggregation.get(String.valueOf(VALUE)).getAsLong();
  }
}

代码示例来源：origin: pinterest/secor

public void convert(JsonElement value, ColumnVector vect, int row) {
    if (value == null || value.isJsonNull()) {
      vect.noNulls = false;
      vect.isNull[row] = true;
    } else {
      StructColumnVector vector = (StructColumnVector) vect;
      JsonObject obj = value.getAsJsonObject();
      for (int c = 0; c < childrenConverters.length; ++c) {
        JsonElement elem = obj.get(fieldNames.get(c));
        childrenConverters[c].convert(elem, vector.fields[c], row);
      }
    }
  }
}

代码示例来源：origin: fabric8io/docker-maven-plugin

private void logWarnings(JsonObject body) {
  if (body.has("Warnings")) {
    JsonElement warningsObj = body.get("Warnings");
    if (!warningsObj.isJsonNull()) {
      JsonArray warnings = (JsonArray) warningsObj;
      for (int i = 0; i < warnings.size(); i++) {
        log.warn(warnings.get(i).getAsString());
      }
    }
  }
}

代码示例来源：origin: chanjarster/weixin-java-tools

public WxMpMaterialNews deserialize(JsonElement jsonElement, Type type, JsonDeserializationContext jsonDeserializationContext) throws JsonParseException {
  WxMpMaterialNews wxMpMaterialNews = new WxMpMaterialNews();
  JsonObject json = jsonElement.getAsJsonObject();
  if (json.get("news_item") != null && !json.get("news_item").isJsonNull()) {
   JsonArray articles = json.getAsJsonArray("news_item");
   for (JsonElement article1 : articles) {
    JsonObject articleInfo = article1.getAsJsonObject();
    WxMpMaterialNews.WxMpMaterialNewsArticle article = WxMpGsonBuilder.create().fromJson(articleInfo, WxMpMaterialNews.WxMpMaterialNewsArticle.class);
    wxMpMaterialNews.addArticle(article);
   }
  }
  return wxMpMaterialNews;
 }
}

代码示例来源：origin: square/wire

private Object parseValue(FieldBinding<?, ?> fieldBinding, JsonElement element) {
 if (fieldBinding.label.isRepeated()) {
  if (element.isJsonNull()) {
   return Collections.emptyList();
  if (element.isJsonNull()) {
   return Collections.emptyMap();
  Class<?> valueType = fieldBinding.singleAdapter().javaType;
  JsonObject object = element.getAsJsonObject();
  Map<Object, Object> result = new LinkedHashMap<>(object.size());
  for (Map.Entry<String, JsonElement> entry : object.entrySet()) {

代码示例来源：origin: fabric8io/docker-maven-plugin

@Override
public Map<String, String> getCustomNetworkIpAddresses() {
  if (json.has(NETWORK_SETTINGS) && !json.get(NETWORK_SETTINGS).isJsonNull()) {
    JsonObject networkSettings = json.getAsJsonObject(NETWORK_SETTINGS);
    if (networkSettings.has(NETWORKS) && !networkSettings.get(NETWORKS).isJsonNull()) {
      return extractNetworks(networkSettings);
    }
  }
  return null;
}

代码示例来源：origin: Mojang/DataFixerUpper

@Override
public JsonElement mergeInto(final JsonElement input, final JsonElement key, final JsonElement value) {
  final JsonObject output;
  if (input.isJsonNull()) {
    output = new JsonObject();
  } else if (input.isJsonObject()) {
    output = new JsonObject();
    input.getAsJsonObject().entrySet().forEach(entry -> output.add(entry.getKey(), entry.getValue()));
  } else {
    return input;
  }
  output.add(key.getAsString(), value);
  return output;
}

代码示例来源：origin: fabric8io/docker-maven-plugin

@Override
public Map<String, PortBinding> getPortBindings() {
  if (json.get(PORTS).isJsonNull()) {
    return Collections.emptyMap();
  }
  return mapPortBindings(json.getAsJsonArray(PORTS));
}

代码示例来源：origin: searchbox-io/Jest

public BulkResultItem(String operation, JsonObject values) {
  this.operation = operation;
  this.index = values.get("_index").getAsString();
  this.type = values.get("_type").getAsString();
  this.id = values.has("_id") && !values.get("_id").isJsonNull() ? values.get("_id").getAsString() : null;
  this.status = values.get("status").getAsInt();
  this.error = values.has("error") ? values.get("error").toString() : null;
  if (values.has("error") && values.get("error").isJsonObject()) {
    final JsonObject errorObject = values.get("error").getAsJsonObject();
    this.errorType = errorObject.has("type") ? errorObject.get("type").getAsString() : null;
    this.errorReason = errorObject.has("reason") ? errorObject.get("reason").getAsString() : null;
  } else {
    this.errorType = null;
    this.errorReason = null;
  }
  this.version = values.has("_version") ? values.get("_version").getAsInt() : null;
}

代码示例来源：origin: chanjarster/weixin-java-tools

public WxMpMaterialUploadResult deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context) throws JsonParseException {
 WxMpMaterialUploadResult uploadResult = new WxMpMaterialUploadResult();
 JsonObject uploadResultJsonObject = json.getAsJsonObject();
 if (uploadResultJsonObject.get("url") != null && !uploadResultJsonObject.get("url").isJsonNull()) {
  uploadResult.setUrl(GsonHelper.getAsString(uploadResultJsonObject.get("url")));
 }
 if (uploadResultJsonObject.get("media_id") != null && !uploadResultJsonObject.get("media_id").isJsonNull()) {
  uploadResult.setMediaId(GsonHelper.getAsString(uploadResultJsonObject.get("media_id")));
 }
 return uploadResult;
}

代码示例来源：origin: sixt/ja-micro

public String extractString(JsonObject json, String name) {
  if (json != null) {
    int dotIndex = name.indexOf('.');
    if (dotIndex > 0) {
      String baseName = name.substring(0, dotIndex);
      JsonElement childElement = json.get(baseName);
      return extractString((JsonObject) childElement, name.substring(dotIndex + 1));
    }
    JsonElement element = json.get(name);
    if (element != null && ! element.isJsonNull()) {
      return element.getAsString();
    }
  }
  return null;
}

代码示例来源：origin: chanjarster/weixin-java-tools

public WxMpMassNews deserialize(JsonElement jsonElement, Type type, JsonDeserializationContext jsonDeserializationContext) throws JsonParseException {
  WxMpMassNews wxMpMassNews = new WxMpMassNews();
  JsonObject json = jsonElement.getAsJsonObject();
  if (json.get("media_id") != null && !json.get("media_id").isJsonNull()) {
   JsonArray articles = json.getAsJsonArray("articles");
   for (JsonElement article1 : articles) {
    JsonObject articleInfo = article1.getAsJsonObject();
    WxMpMassNews.WxMpMassNewsArticle article = WxMpGsonBuilder.create().fromJson(articleInfo, WxMpMassNews.WxMpMassNewsArticle.class);
    wxMpMassNews.addArticle(article);
   }
  }
  return wxMpMassNews;
 }
}

代码示例来源：origin: pinterest/secor

public void convert(JsonElement value, ColumnVector vect, int row) {
    if (value == null || value.isJsonNull()) {
      vect.noNulls = false;
      vect.isNull[row] = true;
    } else {
      BytesColumnVector vector = (BytesColumnVector) vect;
      byte[] bytes = value.getAsString().getBytes(
          StandardCharsets.UTF_8);
      vector.setRef(row, bytes, 0, bytes.length);
    }
  }
}

代码示例来源：origin: apache/incubator-gobblin

@Override
public R read(JsonReader in) throws IOException {
 JsonElement element = Streams.parse(in);
 if (element.isJsonNull()) {
  return readNull();
 }
 JsonObject jsonObject = element.getAsJsonObject();
 if (this.typeToken.getRawType() == Optional.class) {
  if (jsonObject.has(OBJECT_TYPE)) {
   return (R) Optional.of(readValue(jsonObject, null));
  } else if (jsonObject.entrySet().isEmpty()) {
   return (R) Optional.absent();
  } else {
   throw new IOException("No class found for Optional value.");
  }
 }
 return this.readValue(jsonObject, this.typeToken);
}

代码示例来源：origin: searchbox-io/Jest

public StatsAggregation(String name, JsonObject statsAggregation) {
  super(name, statsAggregation);
  this.count = statsAggregation.get(String.valueOf(COUNT)).getAsLong();
  this.min = !statsAggregation.has(String.valueOf(MIN)) || statsAggregation.get(String.valueOf(MIN)).isJsonNull() ?
    null : statsAggregation.get(String.valueOf(MIN)).getAsDouble();
  this.max = !statsAggregation.has(String.valueOf(MAX)) || statsAggregation.get(String.valueOf(MAX)).isJsonNull() ?
      null : statsAggregation.get(String.valueOf(MAX)).getAsDouble();
  this.avg = !statsAggregation.has(String.valueOf(AVG)) || statsAggregation.get(String.valueOf(AVG)).isJsonNull() ?
      null : statsAggregation.get(String.valueOf(AVG)).getAsDouble();
  this.sum = !statsAggregation.has(String.valueOf(SUM)) || statsAggregation.get(String.valueOf(SUM)).isJsonNull() ?
      null : statsAggregation.get(String.valueOf(SUM)).getAsDouble();
}

代码示例来源：origin: fabric8io/docker-maven-plugin

@Override
public Map<String, PortBinding> getPortBindings() {
  if (json.has(NETWORK_SETTINGS) && !json.get(NETWORK_SETTINGS).isJsonNull()) {
    JsonObject networkSettings = json.getAsJsonObject(NETWORK_SETTINGS);
    if (networkSettings.has(PORTS) && !networkSettings.get(PORTS).isJsonNull()) {
      return createPortBindings(networkSettings.getAsJsonObject(PORTS));
    }
  }
  return new HashMap<>();
}

代码示例来源：origin: fabric8io/docker-maven-plugin

private Map<String, String> extractNetworks(JsonObject networkSettings) {
  JsonObject networks = networkSettings.getAsJsonObject(NETWORKS);
  Set<String> keys = networks.keySet();
  if (keys == null || keys.isEmpty()) {
    return null;
  }
  Map<String, String> results = new HashMap<>();
  for (String key : keys) {
    JsonObject net = networks.getAsJsonObject(key);
    if (net.has(IP) && !net.get(IP).isJsonNull()) {
      results.put(key, net.get(IP).getAsString());
    }
  }
  return results;
}

代码示例来源：origin: chanjarster/weixin-java-tools

public WxAccessToken deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context) throws JsonParseException {
 WxAccessToken accessToken = new WxAccessToken();
 JsonObject accessTokenJsonObject = json.getAsJsonObject();
 if (accessTokenJsonObject.get("access_token") != null && !accessTokenJsonObject.get("access_token").isJsonNull()) {
  accessToken.setAccessToken(GsonHelper.getAsString(accessTokenJsonObject.get("access_token")));
 }
 if (accessTokenJsonObject.get("expires_in") != null && !accessTokenJsonObject.get("expires_in").isJsonNull()) {
  accessToken.setExpiresIn(GsonHelper.getAsPrimitiveInt(accessTokenJsonObject.get("expires_in")));
 }
 return accessToken;
}

内容来源于网络，如有侵权，请联系作者删除！

JsonElement

相关文章

    查看更多

    热门标签

    更多
    JavaquerypythonNode开发语言requestUtil数据库Table后端算法LoggerMessageElementParser

    最新文章

    更多
    • 蜀ICP备13028337号-1 大数据知识库 https://www.saoniuhuo.com © All rights reserved
    • 本站内容来源互联网,如果侵犯您的权益请联系我们删除, 联系方式：448109455@qq.com