1 files changed, 59 insertions, 0 deletions
diff --git a/src/After.java b/src/After.java
new file mode 100644
index 0000000..298830d
--- /dev/null
+++ b/src/After.java
@@ -0,0 +1,59 @@
+/**
+ * an utility waiting for a message to come, then exiting.
+ *
+ * @author	Yannick Jestin
+ * @author	<a href="http://www.tls.cena.fr/products/ivy/">http://www.tls.cena.fr/products/ivy/</a>
+ *
+ * (c) CENA
+ *
+ * Changelog:
+ * 1.2.8: new in the ivy package
+ * TODO / BUG: sur un die, quitter avec un -1 
+ */
+package fr.dgac.ivy.tools ;
+import fr.dgac.ivy.* ;
+import gnu.getopt.Getopt;
+
+public class After implements IvyMessageListener {
+
+  public final static int DEFAULTTIMEOUT = 0 ;
+
+  public static final String helpmsg = "usage: java fr.dgac.ivy.After [options] regexp\n\t-b BUS\tspecifies the Ivy bus domain\n\t-t\ttime out in seconds, defaults to "+DEFAULTTIMEOUT+"\n\t-h\thelp\n\n\t regexp is a Perl5 compatible regular expression";
+
+  public static void main(String[] args) throws IvyException {
+    Getopt opt = new Getopt("After",args,"b:t:");
+    int c;
+    String domain=Ivy.getDomain(null);
+    String name="AFTER";
+    int timeout = DEFAULTTIMEOUT;
+    while ((c = opt.getopt()) != -1) switch (c) {
+    case 'b': domain=opt.getOptarg(); break;
+    case 't': timeout=Integer.parseInt(opt.getOptarg()); break;
+    case 'h':
+    default: System.out.println(helpmsg); System.exit(0);
+    }
+    if (opt.getOptind()!=args.length-1) { System.out.println(helpmsg); System.exit(0); }
+    String regexp=args[opt.getOptind()]; 
+    Ivy bus=new Ivy(name,name+" ready",null);
+    bus.bindMsgOnce(regexp,new After(bus));
+    bus.start(domain);
+    if (timeout>0) {
+      System.out.println("waiting "+timeout+"s for "+regexp);
+      try { Thread.sleep(timeout*1000); } catch (InterruptedException ie) { }
+      System.out.println(regexp+" not received, bailing out");
+      bus.stop();
+      System.exit(-1);
+    } else {
+      System.out.println("waiting forever for "+regexp);
+    }
+  }
+
+  private Ivy bus;
+  public After(Ivy b) { bus=b; }
+
+  public void receive(IvyClient ic,String[] args) {
+    bus.stop();
+    System.exit(0);
+  }
+
+}