content: /*
   * Licensed to the Apache Software Foundation (ASF) under one or more
   * contributor license agreements.  See the NOTICE file distributed with
   * this work for additional information regarding copyright ownership.
   * The ASF licenses this file to You under the Apache License, Version 2.0
   * (the "License"); you may not use this file except in compliance with
   * the License.  You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package org.apache.camel.kafkaconnector.maven;
  
  import java.io.File;
  import java.net.MalformedURLException;
  import java.net.URL;
  import java.net.URLClassLoader;
  import java.util.Iterator;
  import java.util.List;
  
  import org.objectweb.asm.ClassWriter;
  import org.objectweb.asm.Opcodes;
  
  class DynamicClassLoader extends URLClassLoader {
  
      public DynamicClassLoader(URL[] urls, ClassLoader parent) {
          super(urls, parent);
      }
  
      public static DynamicClassLoader createDynamicClassLoader(List<String> classpathElements) {
          final URL[] urls = new URL[classpathElements.size()];
          int i = 0;
          for (Iterator<?> it = classpathElements.iterator(); it.hasNext(); i++) {
              try {
                  urls[i] = new File((String)it.next()).toURI().toURL();
              } catch (MalformedURLException e) {
                  throw new RuntimeException(e.getMessage(), e);
              }
          }
          final ClassLoader tccl = Thread.currentThread().getContextClassLoader();
          return new DynamicClassLoader(urls, tccl != null ? tccl : DynamicClassLoader.class.getClassLoader());
      }
  
      public Class defineClass(String name, byte[] data) {
          return super.defineClass(name, data, 0, data.length);
      }
  
      public Class generateDummyClass(String clazzName) {
          try {
              return loadClass(clazzName);
          } catch (ClassNotFoundException e) {
              ClassWriter cw = new ClassWriter(ClassWriter.COMPUTE_FRAMES);
              cw.visit(Opcodes.V1_8, Opcodes.ACC_PUBLIC, clazzName.replace('.', '/'), null, "java/lang/Object", null);
              cw.visitEnd();
              return defineClass(clazzName, cw.toByteArray());
          }
      }
  }
  