/**
* Parse and validate the cli arguments
*
* @param ln parsed command line
* @return parsed cli parameters wrapped in the CliParams
* @throws InvalidArgumentException in case of nonexistent or incorrect cli args
*/
protected CliParams parse(CommandLine ln, Properties defaults) throws InvalidArgumentException {
l.debug("Parsing cli " + ln);
CliParams cp = new CliParams();
for (Option o : mandatoryOptions) {
String name = o.getLongOpt();
if (ln.hasOption(name)) cp.put(name, ln.getOptionValue(name));
else if (defaults.getProperty(name) != null) {
cp.put(name, defaults.getProperty(name));
} else {
throw new InvalidArgumentException("Missing the '" + name + "' commandline parameter.");
}
}
for (Option o : optionalOptions) {
String name = o.getLongOpt();
if (ln.hasOption(name)) {
cp.put(name, ln.getOptionValue(name));
} else if (defaults.getProperty(name) != null) {
cp.put(name, defaults.getProperty(name));
}
}
if (cp.containsKey(CLI_PARAM_VERSION[0])) {
l.info(
"GoodData Notification Tool version 1.2.45"
+ ((BUILD_NUMBER.length() > 0) ? ", build " + BUILD_NUMBER : "."));
System.exit(0);
}
// use default host if there is no host in the CLI params
if (!cp.containsKey(CLI_PARAM_GDC_HOST[0])) {
cp.put(CLI_PARAM_GDC_HOST[0], Defaults.DEFAULT_HOST);
}
l.debug("Using host " + cp.get(CLI_PARAM_GDC_HOST[0]));
if (ln.getArgs().length == 0) {
throw new InvalidArgumentException("No config file has been given, quitting.");
}
String configs = "";
for (final String arg : ln.getArgs()) {
if (configs.length() > 0) configs += "," + arg;
else configs += arg;
}
cp.put(CLI_PARAM_CONFIG, configs);
return cp;
}
/**
* Loads default values of common parameters from a properties file searching the working
* directory and user's home.
*
* @return default configuration
*/
private static Properties loadDefaults() {
final String[] dirs = new String[] {"user.dir", "user.home"};
final Properties props = new Properties();
for (final String d : dirs) {
String path = System.getProperty(d) + File.separator + DEFAULT_PROPERTIES;
File f = new File(path);
if (f.exists() && f.canRead()) {
try {
FileInputStream is = new FileInputStream(f);
props.load(is);
l.debug("Successfully red the gdi configuration from '" + f.getAbsolutePath() + "'.");
return props;
} catch (IOException e) {
l.warn(
"Readable gdi configuration '"
+ f.getAbsolutePath()
+ "' found be error occurred reading it.");
l.debug("Error reading gdi configuration '" + f.getAbsolutePath() + "': ", e);
}
}
}
return props;
}