org.codehaus.jettison.json.JSONObject.optJSONObject()方法的使用及代码示例

x33g5p2x  于2022-01-21 转载在 其他  
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本文整理了Java中org.codehaus.jettison.json.JSONObject.optJSONObject()方法的一些代码示例，展示了JSONObject.optJSONObject()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。JSONObject.optJSONObject()方法的具体详情如下：
包路径：org.codehaus.jettison.json.JSONObject
类名称：JSONObject
方法名：optJSONObject

JSONObject.optJSONObject介绍

[英]Get an optional JSONObject associated with a key. It returns null if there is no such key, or if its value is not a JSONObject.
[中]获取与键关联的可选JSONObject。如果没有这样的键，或者其值不是JSONObject，则返回null。

代码示例

代码示例来源：origin: apache/phoenix

public Set<String> getSubmittedYarnApps() throws Exception {
  String rmHost = PhoenixMRJobUtil.getActiveResourceManagerHost(conf, zkQuorum);
  Map<String, String> urlParams = new HashMap<String, String>();
  urlParams.put(YarnApplication.APP_STATES_ELEMENT, YarnApplication.state.NEW.toString()
      + "," + YarnApplication.state.ACCEPTED + "," + YarnApplication.state.SUBMITTED
      + "," + YarnApplication.state.RUNNING);
  int rmPort = PhoenixMRJobUtil.getRMPort(conf);
  String response = PhoenixMRJobUtil.getJobsInformationFromRM(rmHost, rmPort, urlParams);
  LOG.debug("Already Submitted/Running Apps = " + response);
  JSONObject jobsJson = new JSONObject(response);
  JSONObject appsJson = jobsJson.optJSONObject(YarnApplication.APPS_ELEMENT);
  Set<String> yarnApplicationSet = new HashSet<String>();
  if (appsJson == null) {
    return yarnApplicationSet;
  }
  JSONArray appJson = appsJson.optJSONArray(YarnApplication.APP_ELEMENT);
  if (appJson == null) {
    return yarnApplicationSet;
  }
  for (int i = 0; i < appJson.length(); i++) {
    Gson gson = new GsonBuilder().create();
    YarnApplication yarnApplication =
        gson.fromJson(appJson.getJSONObject(i).toString(),
          new TypeToken<YarnApplication>() {
          }.getType());
    yarnApplicationSet.add(yarnApplication.getName());
  }
  return yarnApplicationSet;
}

代码示例来源：origin: org.codehaus.jettison/jettison

public void writeNamespace(String prefix, String ns) throws XMLStreamException {
  ((Node) getNodes().peek()).setNamespace(prefix, ns);
  try {
    JSONObject nsObj = getCurrentNode().optJSONObject("@xmlns");
    if (nsObj == null) {
      nsObj = new JSONObject();
      getCurrentNode().put("@xmlns", nsObj);
    }
    if (prefix.equals("")) {
      prefix = "$";
    }
    nsObj.put(prefix, ns);
  } catch (JSONException e) {
    throw new XMLStreamException(e);
  }
}

代码示例来源：origin: com.tinkerpop.rexster/rexster-core

/**
 * Given a request object, return the fragment of JSON that deals with Rexster-reserved parameters.
 * <p/>
 * These parameters are the returnKeys, showTypes, and offset.
 *
 * @param requestObject the request object
 * @return the JSON
 */
public static JSONObject getRexsterRequest(final JSONObject requestObject) {
  return requestObject != null ? requestObject.optJSONObject(Tokens.REXSTER) : null;
}

代码示例来源：origin: com.atlassian.jira/jira-rest-java-client-core

@SuppressWarnings("unused")
@Nullable
public static JSONObject getOptionalJsonObject(final JSONObject jsonObject, final String attributeName) {
  final JSONObject res = jsonObject.optJSONObject(attributeName);
  if (res == JSONObject.NULL || res == null) {
    return null;
  }
  return res;
}

代码示例来源：origin: com.atlassian.jira/jira-rest-java-client

@SuppressWarnings("unused")
@Nullable
public static JSONObject getOptionalJsonObject(JSONObject jsonObject, String attributeName) {
  final JSONObject res = jsonObject.optJSONObject(attributeName);
  if (res == JSONObject.NULL || res == null) {
    return null;
  }
  return res;
}

代码示例来源：origin: com.atlassian.jira/jira-rest-java-client-core

@Nullable
public static JSONObject getNestedOptionalObject(JSONObject json, final String... path) throws JSONException {
  for (int i = 0; i < path.length - 1; i++) {
    String s = path[i];
    json = json.getJSONObject(s);
  }
  return json.optJSONObject(path[path.length - 1]);
}

代码示例来源：origin: com.atlassian.jira/jira-rest-java-client-core

@Nullable
public static <T> T getOptionalJsonObject(final JSONObject jsonObject, final String attributeName, final JsonObjectParser<T> jsonParser) throws JSONException {
  final JSONObject res = jsonObject.optJSONObject(attributeName);
  if (res == JSONObject.NULL || res == null) {
    return null;
  }
  return jsonParser.parse(res);
}

代码示例来源：origin: com.atlassian.jira/jira-rest-java-client

@Nullable
public static JSONObject getNestedOptionalObject(JSONObject json, String... path) throws JSONException {
  for (int i = 0; i < path.length - 1; i++) {
    String s = path[i];
    json = json.getJSONObject(s);
  }
  return json.optJSONObject(path[path.length - 1]);
}

代码示例来源：origin: com.atlassian.jira/jira-rest-java-client-p3

@Nullable
public static JSONObject getNestedOptionalObject(JSONObject json, String... path) throws JSONException {
  for (int i = 0; i < path.length - 1; i++) {
    String s = path[i];
    json = json.getJSONObject(s);
  }
  return json.optJSONObject(path[path.length - 1]);
}

代码示例来源：origin: com.atlassian.jira/jira-rest-java-client

public static JSONArray getNestedOptionalArray(JSONObject json, String... path) throws JSONException {
  for (int i = 0; json != null && i < path.length - 1; i++) {
    String s = path[i];
    json = json.optJSONObject(s);
  }
  return json == null ? null : json.optJSONArray(path[path.length - 1]);
}

代码示例来源：origin: org.openengsb.wrapped/jira-rest-java-client-core

@Nullable
public static JSONObject getNestedOptionalObject(JSONObject json, final String... path) throws JSONException {
  for (int i = 0; i < path.length - 1; i++) {
    String s = path[i];
    json = json.getJSONObject(s);
  }
  return json.optJSONObject(path[path.length - 1]);
}

代码示例来源：origin: com.atlassian.jira/jira-rest-java-client-p3

public static JSONArray getNestedOptionalArray(JSONObject json, String... path) throws JSONException {
  for (int i = 0; json != null && i < path.length - 1; i++) {
    String s = path[i];
    json = json.optJSONObject(s);
  }
  return json == null ? null : json.optJSONArray(path[path.length - 1]);
}

代码示例来源：origin: com.atlassian.jira/jira-rest-java-client-core

@Override
  public T parse(JSONObject json) throws JSONException {
    final JSONObject valueObject = json.optJSONObject(VALUE_ATTRIBUTE);
    if (valueObject == null) {
      throw new JSONException("Expected JSONObject with [" + VALUE_ATTRIBUTE + "] attribute present.");
    }
    return jsonParser.parse(valueObject);
  }
}

代码示例来源：origin: com.atlassian.jira/jira-rest-java-client-p3

@Override
  public T parse(JSONObject json) throws JSONException {
    final JSONObject valueObject = json.optJSONObject(VALUE_ATTRIBUTE);
    if (valueObject == null) {
      throw new JSONException("Expected JSONObject with [" + VALUE_ATTRIBUTE + "] attribute present.");
    }
    return jsonParser.parse(valueObject);
  }
}

代码示例来源：origin: org.apache.tez/tez-history-parser

BaseInfo(JSONObject jsonObject) throws JSONException {
 final JSONObject otherInfoNode = jsonObject.getJSONObject(Constants.OTHER_INFO);
 //parse tez counters
 tezCounters = Utils.parseTezCountersFromJSON(
   otherInfoNode.optJSONObject(Constants.COUNTERS));
 //parse events
 eventList = Lists.newArrayList();
 Utils.parseEvents(jsonObject.optJSONArray(Constants.EVENTS), eventList);
}

代码示例来源：origin: com.atlassian.jira/jira-rest-java-client

@Override
  public Comment parse(JSONObject json) throws JSONException {
    final URI selfUri = JsonParseUtil.getSelfUri(json);
    final Long id = JsonParseUtil.getOptionalLong(json, "id");
    final String body = json.getString("body");
    final BasicUser author = JsonParseUtil.parseBasicUser(json.optJSONObject("author"));
    final BasicUser updateAuthor = JsonParseUtil.parseBasicUser(json.optJSONObject("updateAuthor"));

    final Visibility visibility = visibilityJsonParser.parseVisibility(json);
    return new Comment(selfUri, body, author, updateAuthor, JsonParseUtil.parseDateTime(json.getString("created")),
        JsonParseUtil.parseDateTime(json.getString("updated")), visibility, id);
  }
}

代码示例来源：origin: org.openengsb.wrapped/jira-rest-java-client-core

@Override
  public Comment parse(JSONObject json) throws JSONException {
    final URI selfUri = JsonParseUtil.getSelfUri(json);
    final Long id = JsonParseUtil.getOptionalLong(json, "id");
    final String body = json.getString("body");
    final BasicUser author = JsonParseUtil.parseBasicUser(json.optJSONObject("author"));
    final BasicUser updateAuthor = JsonParseUtil.parseBasicUser(json.optJSONObject("updateAuthor"));

    final Visibility visibility = visibilityJsonParser.parseVisibility(json);
    return new Comment(selfUri, body, author, updateAuthor, JsonParseUtil.parseDateTime(json.getString("created")),
        JsonParseUtil.parseDateTime(json.getString("updated")), visibility, id);
  }
}

代码示例来源：origin: com.atlassian.jira/jira-rest-java-client-core

@Override
  public Comment parse(JSONObject json) throws JSONException {
    final URI selfUri = JsonParseUtil.getSelfUri(json);
    final Long id = JsonParseUtil.getOptionalLong(json, "id");
    final String body = json.getString("body");
    final BasicUser author = JsonParseUtil.parseBasicUser(json.optJSONObject("author"));
    final BasicUser updateAuthor = JsonParseUtil.parseBasicUser(json.optJSONObject("updateAuthor"));

    final Visibility visibility = visibilityJsonParser.parseVisibility(json);
    return new Comment(selfUri, body, author, updateAuthor, JsonParseUtil.parseDateTime(json.getString("created")),
        JsonParseUtil.parseDateTime(json.getString("updated")), visibility, id);
  }
}

代码示例来源：origin: com.atlassian.jira/jira-rest-java-client-core

@Override
  public CimIssueType parse(final JSONObject json) throws JSONException {
    final IssueType issueType = issueTypeJsonParser.parse(json);
    final JSONObject jsonFieldsMap = json.optJSONObject("fields");

    final Map<String, CimFieldInfo> fields = (jsonFieldsMap == null) ?
        Collections.<String, CimFieldInfo>emptyMap() : fieldsParser.parse(jsonFieldsMap);

    return new CimIssueType(issueType.getSelf(), issueType.getId(), issueType.getName(),
        issueType.isSubtask(), issueType.getDescription(), issueType.getIconUri(), fields);
  }
}

代码示例来源：origin: com.atlassian.jira/jira-rest-java-client-p3

@Override
  public CimIssueType parse(final JSONObject json) throws JSONException {
    final IssueType issueType = issueTypeJsonParser.parse(json);
    final JSONObject jsonFieldsMap = json.optJSONObject("fields");
    
    final Map<String, CimFieldInfo> fields = (jsonFieldsMap == null) ?
        Collections.<String, CimFieldInfo>emptyMap() : fieldsParser.parse(jsonFieldsMap);

    return new CimIssueType(issueType.getSelf(), issueType.getId(), issueType.getName(),
        issueType.isSubtask(), issueType.getDescription(), issueType.getIconUri(), fields);
  }
}

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