public HttpResponse doChangeOfflineCause(@QueryParameter String offlineMessage)
throws IOException, ServletException {
checkPermission(DISCONNECT);
offlineMessage = Util.fixEmptyAndTrim(offlineMessage);
setTemporarilyOffline(
true,
OfflineCause.create(
hudson.slaves.Messages._SlaveComputer_DisconnectedBy(
Jenkins.getAuthentication().getName(),
offlineMessage != null ? " : " + offlineMessage : "")));
return HttpResponses.redirectToDot();
}
/**
* If the computer was offline (either temporarily or not), this method will return the cause as a
* string (without user info).
*
* @return empty string if the system was put offline without given a cause.
*/
@Exported
public String getOfflineCauseReason() {
if (offlineCause == null) {
return "";
}
// fetch the localized string for "Disconnected By"
String gsub_base = hudson.slaves.Messages.SlaveComputer_DisconnectedBy("", "");
// regex to remove commented reason base string
String gsub1 = "^" + gsub_base + "[\\w\\W]* \\: ";
// regex to remove non-commented reason base string
String gsub2 = "^" + gsub_base + "[\\w\\W]*";
String newString = offlineCause.toString().replaceAll(gsub1, "");
return newString.replaceAll(gsub2, "");
}