/** @throws FacebookException if the GraphObject doesn't have an ID. */
String getIdOfGraphObject(T graphObject) {
if (graphObject.asMap().containsKey(ID)) {
Object obj = graphObject.getProperty(ID);
if (obj instanceof String) {
return (String) obj;
}
}
throw new FacebookException("Received an object without an ID.");
}
private void fillView(int position, @NotNull ViewGroup result) {
final T mathEntity = getItem(position);
final TextView text = (TextView) result.findViewById(R.id.math_entity_text);
text.setText(String.valueOf(mathEntity));
final String mathEntityDescription =
descriptionGetter.getDescription(getContext(), mathEntity.getName());
final TextView description = (TextView) result.findViewById(R.id.math_entity_description);
if (!StringUtils.isEmpty(mathEntityDescription)) {
description.setVisibility(View.VISIBLE);
description.setText(mathEntityDescription);
} else {
description.setVisibility(View.GONE);
}
}
protected String getSectionKeyOfGraphObject(T graphObject) {
String result = null;
if (groupByField != null) {
result = (String) graphObject.getProperty(groupByField);
if (result != null && result.length() > 0) {
result = result.substring(0, 1).toUpperCase();
}
}
return (result != null) ? result : "";
}
protected URI getPictureUriOfGraphObject(T graphObject) {
String uri = null;
Object o = graphObject.getProperty(PICTURE);
if (o instanceof String) {
uri = (String) o;
} else if (o instanceof JSONObject) {
ItemPicture itemPicture = GraphObject.Factory.create((JSONObject) o).cast(ItemPicture.class);
ItemPictureData data = itemPicture.getData();
if (data != null) {
uri = data.getUrl();
}
}
if (uri != null) {
try {
return new URI(uri);
} catch (URISyntaxException e) {
}
}
return null;
}
protected CharSequence getTitleOfGraphObject(T graphObject) {
return (String) graphObject.getProperty(NAME);
}