The main program for the bootstrap.
// ----------------------------------------------------------- Main Program
// Verify that "catalina.home" was passed.
if (catalinaHome == null) {
log.error("Must set 'catalina.home' system property");
System.exit(1);
}
// Process command line options
int index = 0;
while (true) {
if (index == args.length) {
usage();
System.exit(1);
}
if ("-ant".equals(args[index]))
ant = true;
else if ("-common".equals(args[index]))
common = true;
else if ("-server".equals(args[index]))
server = true;
else if ("-shared".equals(args[index]))
shared = true;
else
break;
index++;
}
if (index > args.length) {
usage();
System.exit(1);
}
// Set "ant.home" if requested
if (ant)
System.setProperty("ant.home", catalinaHome);
// Construct the class loader we will be using
ClassLoader classLoader = null;
try {
ArrayList packed = new ArrayList();
ArrayList unpacked = new ArrayList();
unpacked.add(new File(catalinaHome, "classes"));
packed.add(new File(catalinaHome, "lib"));
if (common) {
unpacked.add(new File(catalinaHome,
"common" + File.separator + "classes"));
packed.add(new File(catalinaHome,
"common" + File.separator + "lib"));
}
if (server) {
unpacked.add(new File(catalinaHome,
"server" + File.separator + "classes"));
packed.add(new File(catalinaHome,
"server" + File.separator + "lib"));
}
if (shared) {
unpacked.add(new File(catalinaHome,
"shared" + File.separator + "classes"));
packed.add(new File(catalinaHome,
"shared" + File.separator + "lib"));
}
classLoader =
ClassLoaderFactory.createClassLoader
((File[]) unpacked.toArray(new File[0]),
(File[]) packed.toArray(new File[0]),
null);
} catch (Throwable t) {
log.error("Class loader creation threw exception", t);
System.exit(1);
}
Thread.currentThread().setContextClassLoader(classLoader);
// Load our application class
Class clazz = null;
String className = args[index++];
try {
if (log.isDebugEnabled())
log.debug("Loading application class " + className);
clazz = classLoader.loadClass(className);
} catch (Throwable t) {
log.error("Exception creating instance of " + className, t);
System.exit(1);
}
// Locate the static main() method of the application class
Method method = null;
String params[] = new String[args.length - index];
System.arraycopy(args, index, params, 0, params.length);
try {
if (log.isDebugEnabled())
log.debug("Identifying main() method");
String methodName = "main";
Class paramTypes[] = new Class[1];
paramTypes[0] = params.getClass();
method = clazz.getMethod(methodName, paramTypes);
} catch (Throwable t) {
log.error("Exception locating main() method", t);
System.exit(1);
}
// Invoke the main method of the application class
try {
if (log.isDebugEnabled())
log.debug("Calling main() method");
Object paramValues[] = new Object[1];
paramValues[0] = params;
method.invoke(null, paramValues);
} catch (Throwable t) {
log.error("Exception calling main() method", t);
System.exit(1);
}
