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- package JFK_LAB3;
- import java.io.ByteArrayOutputStream;
- import java.io.File;
- import java.io.IOException;
- import java.io.InputStream;
- public class CustomClassLoader extends ClassLoader {
- public CustomClassLoader() {
- }
- @Override
- public Class findClass(String name) {
- byte[] b = loadClassFromFile(name);
- return defineClass(name, b, 0, b.length);
- }
- private byte[] loadClassFromFile(String fileName) {
- InputStream inputStream = getClass().getClassLoader().getResourceAsStream(
- fileName.replace('.', File.separatorChar) + ".class");
- byte[] buffer;
- ByteArrayOutputStream byteStream = new ByteArrayOutputStream();
- int nextValue = 0;
- try {
- while ( (nextValue = inputStream.read()) != -1 ) {
- byteStream.write(nextValue);
- }
- } catch (IOException e) {
- e.printStackTrace();
- }
- buffer = byteStream.toByteArray();
- return buffer;
- }
- }
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