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1 package hudson.triggers;
2
3 import antlr.ANTLRException;
4 import static hudson.Util.fixNull;
5 import hudson.model.Descriptor;
6 import hudson.model.BuildableItem;
7 import hudson.model.Item;
8 import hudson.scheduler.CronTabList;
9 import hudson.util.FormFieldValidator;
10 import org.kohsuke.stapler.StaplerRequest;
11 import org.kohsuke.stapler.StaplerResponse;
12
13 import javax.servlet.ServletException  ;
14 import java.io.IOException ;
15
16
21 public class TimerTrigger extends Trigger<BuildableItem> {
22 public TimerTrigger(String cronTabSpec) throws ANTLRException {
23 super(cronTabSpec);
24 }
25
26 protected void run() {
27 job.scheduleBuild();
28 }
29
30 public TriggerDescriptor getDescriptor() {
31 return DESCRIPTOR;
32 }
33
34 public static final TriggerDescriptor DESCRIPTOR = new DescriptorImpl();
35
36 public static class DescriptorImpl extends TriggerDescriptor {
37 public DescriptorImpl() {
38 super(TimerTrigger.class);
39 }
40
41 public boolean isApplicable(Item item) {
42 return item instanceof BuildableItem;
43 }
44
45 public String getDisplayName() {
46 return "Build periodically";
47 }
48
49 public String getHelpFile() {
50 return "/help/project-config/timer.html";
51 }
52
53
56 public void doCheck(StaplerRequest req, StaplerResponse rsp) throws IOException , ServletException {
57 new FormFieldValidator(req,rsp,true) {
58 protected void check() throws IOException , ServletException {
59 try {
60 CronTabList.create(fixNull(request.getParameter("value")));
61 ok();
62 } catch (ANTLRException e) {
63 error(e.getMessage());
64 }
65 }
66 }.process();
67 }
68
69 public Trigger newInstance(StaplerRequest req) throws FormException {
70 try {
71 return new TimerTrigger(req.getParameter("timer_spec"));
72 } catch (ANTLRException e) {
73 throw new FormException(e.toString(),e,"timer_spec");
74 }
75 }
76 }
77 }
78 |
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