//
// Return the methods of an interface in a deterministic
// order. Class.getMethods() does not do us this favor.
//
private Method[] sortMethods(Class iface) throws Exception {
Method[] raw = iface.getMethods();
int count = raw.length;
Method[] cooked = new Method[count];
MethodSortable[] sortables = new MethodSortable[count];
for (int i = 0; i < count; i++) {
sortables[i] = new MethodSortable(raw[i]);
}
Arrays.sort(sortables);
for (int i = 0; i < count; i++) {
cooked[i] = sortables[i].getMethod();
}
return cooked;
}
// debug print the list of methods which have disappeared from the SQL interface
private void printVanishedMethodList(HashSet<String> vanishedMethodList) {
int count = vanishedMethodList.size();
if (count == 0) {
return;
}
println("--------------- VANISHED METHODS ------------------");
println("--");
String[] result = new String[count];
vanishedMethodList.toArray(result);
Arrays.sort(result);
for (int i = 0; i < count; i++) {
println(result[i]);
}
}
// debug print the list of methods which throw SQLFeatureNotSupportedException
private void printUnsupportedList(HashSet<String> unsupportedList) {
int count = unsupportedList.size();
if (count == 0) {
return;
}
println("--------------- UNSUPPORTED METHODS ------------------");
println("--");
String[] result = new String[count];
unsupportedList.toArray(result);
Arrays.sort(result);
for (int i = 0; i < count; i++) {
println(result[i]);
}
}
// Debug print the list of method failures which we don't understand
private void printNotUnderstoodList(HashSet<String> notUnderstoodList) {
int count = notUnderstoodList.size();
if (count == 0) {
return;
}
println("\n\n");
println("--------------- NOT UNDERSTOOD METHODS ------------------");
println("--");
String[] result = new String[count];
notUnderstoodList.toArray(result);
Arrays.sort(result);
for (int i = 0; i < count; i++) {
println(result[i]);
}
}
static {
try {
CON_PROXY_CTOR = createProxyConstructor(ProxyConnection.class);
Class[] argClasses = new Class[0];
RS_CLOSE_METHOD = ResultSet.class.getMethod("close", argClasses);
STMT_CLOSE_METHOD = Statement.class.getMethod("close", argClasses);
CLOSE_ARGS = new Object[0];
OBJECT_METHODS =
Collections.unmodifiableSet(new HashSet(Arrays.asList(Object.class.getMethods())));
} catch (Exception e) {
// e.printStackTrace();
logger.log(
MLevel.SEVERE,
"An Exception occurred in static initializer of" + C3P0PooledConnection.class.getName(),
e);
throw new InternalError(
"Something is very wrong, or this is a pre 1.3 JVM."
+ "We cannot set up dynamic proxies and/or methods!");
}
}