@Override
protected KeyPair[] loadKeys() {
if (!SecurityUtils.isBouncyCastleRegistered()) {
throw new IllegalStateException("BouncyCastle must be registered as a JCE provider");
}
List<KeyPair> keys = new ArrayList<KeyPair>();
if (key != null) {
try {
PEMReader r =
new PEMReader(new InputStreamReader(new ByteArrayInputStream(key.getContent())));
try {
Object o = r.readObject();
if (o instanceof KeyPair) {
keys.add((KeyPair) o);
}
} finally {
r.close();
}
} catch (Exception e) {
LOG.info("Unable to read key {}: {}", key, e);
}
}
return keys.toArray(new KeyPair[keys.size()]);
}
Class<? extends T> getClass(String name) throws NoSuchCommandException, NullPointerException {
if (name == null) {
throw new NullPointerException("No null argument allowed");
}
TimestampedObject<Class<? extends T>> providerRef = classes.get(name);
//
Resource script = context.loadResource(name, kind);
//
if (script != null) {
if (providerRef != null) {
if (script.getTimestamp() != providerRef.getTimestamp()) {
providerRef = null;
}
}
//
if (providerRef == null) {
Class<?> clazz;
try {
GroovyCodeSource gcs =
new GroovyCodeSource(new String(script.getContent(), "UTF-8"), name, "/groovy/shell");
GroovyClassLoader gcl = new GroovyClassLoader(context.getLoader(), config);
clazz = gcl.parseClass(gcs, false);
} catch (UnsupportedEncodingException e) {
throw new NoSuchCommandException(
name, ErrorType.INTERNAL, "Could not compile command script " + name, e);
} catch (CompilationFailedException e) {
throw new NoSuchCommandException(
name, ErrorType.INTERNAL, "Could not compile command script " + name, e);
}
//
if (baseClass.isAssignableFrom(clazz)) {
Class<? extends T> providerClass = clazz.asSubclass(baseClass);
providerRef =
new TimestampedObject<Class<? extends T>>(script.getTimestamp(), providerClass);
classes.put(name, providerRef);
} else {
throw new NoSuchCommandException(
name,
ErrorType.INTERNAL,
"Parsed script "
+ clazz.getName()
+ " does not implements "
+ CommandInvoker.class.getName());
}
}
}
//
if (providerRef == null) {
return null;
}
//
return providerRef.getObject();
}