/**
* Validate command line <code>args</code>.
* <p>The given command line <code>args</code> are validated against the
* custom <code>CliCommand</code>'s added by the application. Help is
* displayed and the application exits if there are errors. Otherwise, the
* specified <code>activeCommand<code> is set, making its commons-cli
* <code>CommandLine</code> available for the application.
* @return the selected <code>CliCommand</code>
*/
protected CliCommand validateCommands() {
// check for no arguments help
if (originalArgs.length == 0) {
if (nonCommandCli.get()) commands.get(null).help(0, null);
commandHelp(0, null);
}
// check for simple no commands command line
if (nonCommandCli.get()) {
CliCommand command = commands.get(null);
command.parseCommandLine(originalArgs);
boolean gotConfig = command.handleConfiguration();
handleLogger(command.getCommandLine(), gotConfig);
command.customInit();
activeCommand = command;
return command;
}
// check for -v --version at first argument
if (originalArgs[0].equals("-" + VersionShortCl)
|| originalArgs[0].equals("--" + VersionLongCl)) version();
if (originalArgs[0].equals("-" + CliBase.HelpShortCl)
|| originalArgs[0].equals("--" + CliBase.HelpLongCl)) commandHelp(0, null);
// check if first command given is known
CliCommand cmd = null;
for (Entry<String, CliCommand> entry : commands.entrySet()) {
if (entry.getKey().equals(originalArgs[0])) {
cmd = entry.getValue();
break;
}
}
if (cmd == null) commandHelp(InvalidCommand, "Unknown command: " + originalArgs[0]);
// check for first command given but no arguments help
if (originalArgs.length == 1) {
if (cmd.hasChildren()) cmd.commandHelp(0, null);
if (cmd.hasOptions()) cmd.help(0, null);
return cmd;
}
// must be more than 1 argument given, see if 2nd is another level command
CliCommand command = null;
for (Entry<String, CliCommand> entry : commands.entrySet()) {
command = entry.getValue();
activeCommand = command.validateCommands(0);
if (activeCommand != null) break;
}
boolean gotConfig = command.handleConfiguration();
handleLogger(command.getCommandLine(), gotConfig);
if (log.isDebugEnabled()) {
StrH.ttl(initsb, 1, "java.class.path:");
String path = System.getProperty("java.class.path");
do {
int index = path.indexOf(';');
if (index == -1) break;
String element = path.substring(0, index);
StrH.ttl(initsb, 2, element);
path = path.substring(++index);
} while (true);
path = path.replace(';', '\n');
}
log.debug(initsb.toString());
return activeCommand;
}
/**
* Return Command Line.
*
* @return the <code>CommandLine</code>from the active <code>CliCommand</code> specified in the
* given command line arguments. Will never be null.
* @see CliCommand
*/
public CommandLine getCommandLine() {
return activeCommand.getCommandLine();
}
