package nginx.clojure;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.lang.instrument.ClassFileTransformer;
import java.lang.instrument.IllegalClassFormatException;
import nginx.clojure.wave.JavaAgent;
public class ClassVerifyTestMain {
public ClassVerifyTestMain() {
// TODO Auto-generated constructor stub
}
public static byte[] getClassBytes(String clz) throws IOException {
InputStream is = Thread.currentThread().getContextClassLoader().getResourceAsStream(clz + ".class");
ByteArrayOutputStream out = new ByteArrayOutputStream();
byte[] buf = new byte[1024];
int c = 0;
while ((c = is.read(buf)) > 0) {
out.write(buf, 0 ,c);
}
out.flush();
is.close();
return out.toByteArray();
}
public static void main(String[] args) {
ClassFileTransformer cft = JavaAgent.buildClassFileTransformer("mbdp");
try {
String clz = args[0];
cft.transform(Thread.currentThread().getContextClassLoader(), clz, null, null, getClassBytes(clz));
} catch (IllegalClassFormatException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}