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.aries.proxy.impl;
  
  import java.io.IOException;
  import java.io.InputStream;
  import java.net.URL;
  
  public class SystemModuleClassLoader extends ClassLoader {
  
      private static java.lang.reflect.Method method_Class_getModule;
      private static java.lang.reflect.Method method_Module_getResourceAsStream ;
      static {
          try {
              method_Class_getModule = Class.class.getMethod("getModule");
              method_Module_getResourceAsStream = method_Class_getModule.getReturnType()
                  .getMethod("getResourceAsStream", String.class);
          } catch (NoSuchMethodException e) {
              //this isn't java9 with jigsaw
  
          }
      }
  
  
      public SystemModuleClassLoader(ClassLoader parentLoader) {
          super(parentLoader);
      }
  
      public SystemModuleClassLoader() {
          super();
      }
  
      @Override
      public InputStream getResourceAsStream(String name) {
          URL url = getResource(name);
          if (url == null) {
              // try java9 module resource loader
              if (method_Class_getModule == null || method_Module_getResourceAsStream == null) {
                  return null; // not Java 9 JIGSAW
              }
              try {
                  String className = name.replace('/', '.');
                  int lastDot = className.lastIndexOf('.');
                  className = className.substring(0, lastDot);
                  final Class<?> clazz = Class.forName(className, false, this);
                  final Object module = method_Class_getModule.invoke(clazz);
                  return (InputStream)method_Module_getResourceAsStream
                      .invoke(module, name);
              } catch (Exception e) {
                  return null; // not found
              }
          } else {
              try {
                  return url.openStream();
              } catch (IOException e) {
                  return null;
              }
          }
      }
  }
  