private static ContentProvider createContentProviderFromElement(IConfigurationElement element) {
ContentProvider contentProvider = null;
String contextHelpID = null;
Object inputClazz = null;
Object opClazz = null;
Object cellValidator = null;
try {
inputClazz = element.createExecutableExtension(PROVIDER_EDITOR_INPUT_ID);
opClazz = element.createExecutableExtension(PROVIDER_OPERATION_PROV_ID);
cellValidator = element.createExecutableExtension(PROVIDER_CELL_VALIDATOR_ID);
contextHelpID = element.getAttribute(PROVIDER_EDITOR_CONTEXT_HELP_ID);
} catch (CoreException e) {
BasePlugin.logWarning(
"No operation provider found for "
+ element.getDeclaringExtension().getUniqueIdentifier()
+ ". Using a default operation provider.");
}
IStringEditorInput input = null;
IOperationProvider provider = null;
ICellValidator validator = null;
if (inputClazz instanceof IStringEditorInput) {
input = (IStringEditorInput) inputClazz;
}
if (opClazz instanceof IOperationProvider) {
provider = (IOperationProvider) opClazz;
} else {
provider = new DefaultOperationProvider();
}
if (cellValidator instanceof ICellValidator) {
validator = (ICellValidator) cellValidator;
}
if (input != null) {
contentProvider =
new ContentProvider(
input, provider, validator, contextHelpID.length() > 0 ? contextHelpID : null);
}
return contentProvider;
}
