public static void main(String[] args) throws Exception {
ClipsShell shell = new ClipsShell();
ByteArrayOutputStream out = new ByteArrayOutputStream();
shell.addRouter("t", new PrintStream(out));
StringBuffer buf = new StringBuffer();
System.out.print("Drools>");
StringBuffer sessionLog = new StringBuffer();
while (true) {
byte name[] = new byte[256];
System.in.read(name);
String cmd = (new String(name)).trim();
if (cmd.equals("(exit)") || cmd.equals("(quit)")) {
sessionLog.append(cmd);
break;
}
buf.append(cmd);
if (isBalancedBrackets(buf)) {
String exp = buf.toString();
if (exp.startsWith("(save ")) {
String file = getFileName(exp);
System.out.println("Saving transcript to [" + file + "]");
writeFile(file, sessionLog);
sessionLog = new StringBuffer();
System.out.print("Drools>");
} else {
sessionLog.append(cmd + "\n");
if (exp.startsWith("(load ")) {
String file = getFileName(exp);
System.out.println("Loading transcript from [" + file + "]");
exp = loadFile(file);
}
shell.eval(exp);
String output = new String(out.toByteArray());
if (output != null && output.trim().length() > 0) {
System.out.println(output);
}
out.reset();
System.out.print("Drools>");
buf = new StringBuffer();
}
}
}
System.out.println("Goodbye, and good luck !");
}
public void eval(String string) {
eval(new StringReader(string));
}