private String doCommand(Object target, String method, String[] args) {
if (target == null) ; // System.err.println("Huh? Target should never be null " +
// domain);
else {
String cname = "_" + method.replaceAll("-", "_");
try {
Method m = target.getClass().getMethod(cname, new Class[] {String[].class});
return (String) m.invoke(target, new Object[] {args});
} catch (NoSuchMethodException e) {
// Ignore
} catch (InvocationTargetException e) {
if (e.getCause() instanceof IllegalArgumentException) {
domain.error(
"%s, for cmd: %s, arguments; %s",
e.getCause().getMessage(), method, Arrays.toString(args));
} else {
domain.warning("Exception in replace: %s", e.getCause());
e.getCause().printStackTrace();
}
} catch (Exception e) {
domain.warning("Exception in replace: " + e + " method=" + method);
e.printStackTrace();
}
}
return null;
}
public static Properties getParent(Properties p) {
try {
Field f = Properties.class.getDeclaredField("defaults");
f.setAccessible(true);
return (Properties) f.get(p);
} catch (Exception e) {
Field[] fields = Properties.class.getFields();
System.err.println(Arrays.toString(fields));
return null;
}
}
/**
* Get the contents of a file.
*
* @param in
* @return
* @throws IOException
*/
public String _cat(String args[]) throws IOException {
verifyCommand(args, "${cat;<in>}, get the content of a file", null, 2, 2);
File f = domain.getFile(args[1]);
if (f.isFile()) {
return IO.collect(f);
} else if (f.isDirectory()) {
return Arrays.toString(f.list());
} else {
try {
URL url = new URL(args[1]);
return IO.collect(url, "UTF-8");
} catch (MalformedURLException mfue) {
// Ignore here
}
return null;
}
}
public String _tstamp(String args[]) {
String format = "yyyyMMddHHmm";
long now = System.currentTimeMillis();
TimeZone tz = TimeZone.getTimeZone("UTC");
if (args.length > 1) {
format = args[1];
}
if (args.length > 2) {
tz = TimeZone.getTimeZone(args[2]);
}
if (args.length > 3) {
now = Long.parseLong(args[3]);
}
if (args.length > 4) {
domain.warning("Too many arguments for tstamp: " + Arrays.toString(args));
}
SimpleDateFormat sdf = new SimpleDateFormat(format);
sdf.setTimeZone(tz);
return sdf.format(new Date(now));
}