public DTFInputStream getValueAsStream(String args) throws ParseException {
String[] parts = args.split(",");
if (args.length() < 1)
throw new ParseException("Expecting more args for dtf.stream, got [" + args + "]");
String name = parts[0];
String arg1 = null;
String[] arguments = new String[parts.length - 2];
if (arguments.length > 0) {
for (int i = 2; i < parts.length; i++) {
arguments[i - 2] = parts[i];
}
}
if (args.length() >= 2) arg1 = parts[1];
long size = 0;
if (arg1 != null) {
try {
size = new Long(arg1);
} catch (NumberFormatException e) {
throw new ParseException("Size should be a long not [" + arg1 + "]");
}
}
Class<DTFInputStream> streamclass = _streams.get(name);
if (streamclass == null) throw new ParseException("Unsupported stream [" + name + "]");
try {
Constructor<DTFInputStream> c =
streamclass.getConstructor(new Class[] {long.class, String[].class});
DTFInputStream stream = c.newInstance(new Object[] {size, arguments});
DTFInputStream wrapper = new DTFInputStream(size, arguments);
wrapper.setInputStream(stream);
return wrapper;
} catch (NoSuchMethodException e) {
throw new ParseException("Error instantiating DTFInputStream.", e);
} catch (IllegalArgumentException e) {
throw new ParseException("Error instantiating DTFInputStream.", e);
} catch (InstantiationException e) {
throw new ParseException("Error instantiating DTFInputStream.", e);
} catch (IllegalAccessException e) {
throw new ParseException("Error instantiating DTFInputStream.", e);
} catch (InvocationTargetException e) {
throw new ParseException("Error instantiating DTFInputStream.", e);
}
}
public static DTFInputStream getStringAsStream(String data) throws ParseException {
DTFInputStream wrapper = new DTFInputStream(data.length(), new String[0]);
wrapper.setInputStream(new StringInputStream(data));
return wrapper;
}