public void saveRule(IRule save)
{
save.saveToDisk(_rulesPath);
lock (_ruleLock)
{
if (_ruleList == null)
_ruleList = new List<IRule>(1);
_ruleList.Add(save);
}
}
public void changeRuleName(IRule save, string newName)
{
string newRulePath = _rulesPath + newName + RULE_EXT;
if (File.Exists(newRulePath))
throw new IOException(newName + " already exists!");
// if the rule was saved to disk we delete the old file name and recreate it else we just rename the object in memory
string oldName = save.name;
string oldRulePath = _rulesPath + oldName + RULE_EXT;
save.name = newName;
try
{
if (File.Exists(oldRulePath))
{
File.Delete(oldRulePath);
save.saveToDisk(newRulePath);
}
} // if for some reason this fails we roll back to the previous state
catch (Exception)
{
save.name = oldName;
if (File.Exists(newRulePath))
{
File.Delete(newRulePath);
if (!File.Exists(oldRulePath))
save.saveToDisk(oldRulePath);
}
throw;
}
}