本文整理了Java中org.apache.sling.commons.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.apache.sling.commons.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: com.adobe.acs/acs-aem-commons-bundle

/**
 * Visit each JSON Object in the JSON Array.
 *
 * @param jsonObject The JSON Array
 */
protected final void traverseJSONObject(final JSONObject jsonObject) {
  if (jsonObject == null) {
    return;
  }
  final Iterator<String> keys = jsonObject.keys();
  while (keys.hasNext()) {
    final String key = keys.next();
    if (jsonObject.optJSONObject(key) != null) {
      this.accept(jsonObject.optJSONObject(key));
    } else if (jsonObject.optJSONArray(key) != null) {
      this.accept(jsonObject.optJSONArray(key));
    }
  }
}

代码示例来源：origin: io.wcm/io.wcm.caconfig.editor

private ConfigurationCollectionPersistData parseCollectionConfigData(JSONObject jsonData, ConfigurationMetadata configMetadata) throws JSONException {
 List<ConfigurationPersistData> items = new ArrayList<>();
 JSONArray itemsObject = jsonData.getJSONArray("items");
 for (int i = 0; i < itemsObject.length(); i++) {
  JSONObject item = itemsObject.getJSONObject(i);
  items.add(parseConfigData(item, configMetadata));
 }
 Map<String, Object> properties = null;
 JSONObject propertiesObject = jsonData.optJSONObject("properties");
 if (propertiesObject != null) {
  properties = new HashMap<>();
  Iterator<String> propertyNames = propertiesObject.keys();
  while (propertyNames.hasNext()) {
   String propertyName = propertyNames.next();
   properties.put(propertyName, propertiesObject.get(propertyName));
  }
 }
 return new ConfigurationCollectionPersistData(items)
   .properties(properties);
}

代码示例来源：origin: com.adobe.acs/acs-aem-commons-bundle

final JSONObject incomingJsonForm = jsonData.optJSONObject(KEY_FORM);
if (incomingJsonForm != null) {
  data = TypeUtil.toMap(incomingJsonForm, String.class);
final JSONObject incomingJsonErrors = jsonData.optJSONObject(KEY_ERRORS);

代码示例来源：origin: org.apache.sling/org.apache.sling.commons.json

/**
 * Append a JSON Object
 *
 * @param o
 * @return
 * @throws JSONException
 */
public JSONWriter writeObject(JSONObject o) throws JSONException {
  Iterator<String> keys = o.keys();
  this.object();
  while (keys.hasNext()) {
    String key = keys.next();
    this.key(key);
    JSONObject objVal = o.optJSONObject(key);
    if (objVal != null) {
      this.writeObject(objVal);
      continue;
    }
    JSONArray arrVal = o.optJSONArray(key);
    if (arrVal != null) {
      this.writeArray(arrVal);
      continue;
    }
    Object obj = o.opt(key);
    this.value(obj);
  }
  this.endObject();
  return this;
}