/** Open attributes from an XML file. May return an empty value set, but never null. */
static AttributeValueSets openAttributes() {
final IPath pathHint = FileDialogs.recallPath(REMEMBER_DIRECTORY);
final IPath readLocation = FileDialogs.openReadXML(pathHint);
if (readLocation != null) {
FileDialogs.rememberDirectory(REMEMBER_DIRECTORY, readLocation);
try {
final Persister persister = new Persister();
final AttributeValueSets avs =
persister.read(AttributeValueSets.class, readLocation.toFile());
return avs;
} catch (Exception e) {
Utils.showError(
new Status(
IStatus.ERROR,
WorkbenchCorePlugin.PLUGIN_ID,
"Failed to read attributes from: " + readLocation.toOSString(),
e));
}
}
return new AttributeValueSets();
}
