Add --help option

diff --git a/tv_grab_nl_java/src/org/vanbest/xmltv/Main.java b/tv_grab_nl_java/src/org/vanbest/xmltv/Main.java
index 3aafbaa46ac19494cf7c0e961e734517cb538f48..f30467bd84de007f49056bac4dd647f6ed29972e 100644 (file)
--- a/tv_grab_nl_java/src/org/vanbest/xmltv/Main.java
+++ b/tv_grab_nl_java/src/org/vanbest/xmltv/Main.java
@@ -18,6 +18,7 @@ import javax.xml.stream.XMLStreamException;
 
 import org.apache.commons.cli.CommandLine;
 import org.apache.commons.cli.GnuParser;
+import org.apache.commons.cli.HelpFormatter;
 import org.apache.commons.cli.Options;
 import org.apache.commons.cli.ParseException;
 import org.apache.commons.cli.Parser;
@@ -131,6 +132,7 @@ public class Main {
                config.setChannels(channels);
                try {
                        config.writeConfig(configFile);
+                       System.out.println("Configuration file written to " + configFile.getPath());
                } catch (FileNotFoundException e) {
                        // TODO Auto-generated catch block
                        e.printStackTrace();
@@ -153,6 +155,7 @@ public class Main {
                options.addOption("n", "configure", false, "Interactive configuration");
                options.addOption("f", "config-file", true, "Configuration file location");
                options.addOption("h", "cache", true, "Cache file location");
+               options.addOption("e", "help", false, "Show this help");
                //options.addOption("p", "preferredmethod", false, "Show preferred method");
 
                CommandLine line = null;
@@ -167,6 +170,12 @@ public class Main {
                        System.out.println("tv_grab_nl_java is a parser for Dutch TV listings using the tvgids.nl JSON interface");
                        System.exit(0);
                }
+               if (line.hasOption("e")) {
+                       // automatically generate the help statement
+                       HelpFormatter formatter = new HelpFormatter();
+                       formatter.printHelp( "tv_grab_nl_java", options );
+                       System.exit(0);
+               }
                if (line.hasOption("q")) {
                        this.quiet = true;
                }