code: /*
   * Copyright (c) 2008-2019 Emmanuel Dupuy.
   * This project is distributed under the GPLv3 license.
   * This is a Copyleft license that gives the user the right to use,
   * copy and modify the code freely for non-commercial purposes.
   */
  
  package org.jd.gui.util.decompiler;
  
  import org.jd.core.v1.api.loader.Loader;
  import org.jd.core.v1.api.loader.LoaderException;
  
  import java.io.ByteArrayOutputStream;
  import java.io.IOException;
  import java.io.InputStream;
  
  public class ClassPathLoader implements Loader {
      protected byte[] buffer = new byte[1024 * 4];
  
      @Override
      public boolean canLoad(String internalName) {
          return this.getClass().getResource("/" + internalName + ".class") != null;
      }
  
      @Override
      public byte[] load(String internalName) throws LoaderException {
          InputStream is = this.getClass().getResourceAsStream("/" + internalName + ".class");
  
          if (is == null) {
              return null;
          } else {
              try (InputStream input=is; ByteArrayOutputStream output=new ByteArrayOutputStream()) {
                  int len = input.read(buffer);
  
                  while (len > 0) {
                      output.write(buffer, 0, len);
                      len = input.read(buffer);
                  }
  
                  return output.toByteArray();
              } catch (IOException e) {
                  throw new LoaderException(e);
              }
          }
      }
  }
  