private void bindVariableIntercept(
InstrumentClass preparedStatement, ClassLoader classLoader, ProtectionDomain protectedDomain)
throws InstrumentException {
List<Method> bindMethod = PreparedStatementUtils.findBindVariableSetMethod();
final Scope scope = byteCodeInstrumentor.getScope(JtdsScope.SCOPE_NAME);
Interceptor interceptor =
new ScopeDelegateStaticInterceptor(new PreparedStatementBindVariableInterceptor(), scope);
int interceptorId = -1;
for (Method method : bindMethod) {
String methodName = method.getName();
String[] parameterType = JavaAssistUtils.getParameterType(method.getParameterTypes());
try {
if (interceptorId == -1) {
interceptorId = preparedStatement.addInterceptor(methodName, parameterType, interceptor);
} else {
preparedStatement.reuseInterceptor(methodName, parameterType, interceptorId);
}
} catch (NotFoundInstrumentException e) {
// Cannot find bind variable setter method. This is not an error. logging will be enough.
if (logger.isDebugEnabled()) {
logger.debug(
"bindVariable api not found. method:{} param:{} Cause:{}",
methodName,
Arrays.toString(parameterType),
e.getMessage());
}
}
}
}
private void preLoadClass() {
logger.debug(
"preLoadClass:{}",
PreparedStatementUtils.class.getName(),
PreparedStatementUtils.findBindVariableSetMethod());
}