public void remove(DominoDocument doc, String fieldName, int idx) throws Exception {
String json = doc.getItemValueString(fieldName);
if (!StringUtil.isSpace(json)) {
List<Object> array = (List<Object>) JsonParser.fromJson(JsonJavaFactory.instance, json);
if (idx < array.size()) {
array.remove(idx);
doc.replaceItemValue(fieldName, JsonGenerator.toJson(JsonJavaFactory.instance, array));
}
}
}
public boolean isEmpty(DominoDocument doc, String fieldName) throws Exception {
if (doc != null) {
Item item = doc.getDocument().getFirstItem(fieldName);
if (item != null) {
String content;
MIMEEntity e = item.getMIMEEntity();
if (e != null) {
content = e.getContentAsText();
} else {
content = item.getText();
}
if (!StringUtil.isSpace(content)) {
// Should handle empty json objects/arrays as well
content = content.trim();
return content.equals("[]") || content.equals("{}");
}
}
}
return true;
}