Introduce cms ping command

[lgpl/argeo-commons.git] / org.argeo.api.cli / src / org / argeo / api / cli / HelpCommand.java

diff --git a/org.argeo.api.cli/src/org/argeo/api/cli/HelpCommand.java b/org.argeo.api.cli/src/org/argeo/api/cli/HelpCommand.java
index fdcaf0224c8797bffb1665f4e1f3ddaa354cf100..cd51d76953b6e4f63b23914ad9edbac4313e45dd 100644 (file)
--- a/org.argeo.api.cli/src/org/argeo/api/cli/HelpCommand.java
+++ b/org.argeo.api.cli/src/org/argeo/api/cli/HelpCommand.java
@@ -120,6 +120,10 @@ public class HelpCommand implements DescribedCommand<String> {
        }
 
        public static void printHelp(CommandsCli commandsCli, String commandName, StringWriter out) {
+               if (commandName == null) {
+                       printHelp(commandsCli, out);
+                       return;
+               }
                DescribedCommand<?> command = (DescribedCommand<?>) commandsCli.getCommand(commandName);
                String usage = commandsCli.getHelpCommand().getCommandUsage(commandName, command);
                HelpFormatter formatter = new HelpFormatter();