/*

 * Copyright (c) 2014, 2016, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 *

 */

#ifndef SHARE_VM_CLASSFILE_CLASSLOADEREXT_HPP

#define SHARE_VM_CLASSFILE_CLASSLOADEREXT_HPP

#include "classfile/classLoader.hpp"

#include "oops/instanceKlass.hpp"

#include "runtime/handles.hpp"

class ClassListParser;

class ClassLoaderExt: public ClassLoader { // AllStatic

public:

  class Context {

    const char* _file_name;

  public:

    Context(const char* class_name, const char* file_name, TRAPS) {

      _file_name = file_name;

    }

    bool check(const ClassFileStream* stream, const int classpath_index) {

      return true;

    }

    bool should_verify(int classpath_index) {

      return false;

    }

    instanceKlassHandle record_result(Symbol* class_name,

                                      ClassPathEntry* e,

                                      const s2 classpath_index,

                                      instanceKlassHandle result, TRAPS) {

      if (ClassLoader::add_package(_file_name, classpath_index, THREAD)) {

        if (DumpSharedSpaces) {

          s2 classloader_type = ClassLoader::classloader_type(

                          class_name, e, classpath_index, CHECK_(result));

          result->set_shared_classpath_index(classpath_index);

          result->set_class_loader_type(classloader_type);

        }

        return result;

      } else {

        return instanceKlassHandle(); // NULL

      }

    }

  };

  static void add_class_path_entry(const char* path, bool check_for_duplicates,

                                   ClassPathEntry* new_entry, bool prepend_entry) {

    if (prepend_entry) {

      ClassLoader::prepend_to_list(new_entry);

    } else {

      ClassLoader::add_to_list(new_entry);

    }

  }

  static void append_boot_classpath(ClassPathEntry* new_entry) {

    ClassLoader::add_to_list(new_entry);

    // During jvmti live phase an entry can be appended to the boot

    // loader's ClassPathEntry instances.  Need to mark the start

    // of the boot loader's append path in case there was no reason

    // to mark it initially in setup_bootstrap_search_path.

    if (ClassLoader::_first_append_entry == NULL) {

      ClassLoader::set_first_append_entry(new_entry);

    }

  }

  static void setup_search_paths() {}

  static bool is_boot_classpath(int classpath_index) {

   return true;

 }

  static Klass* load_one_class(ClassListParser* parser, TRAPS);

};

#endif // SHARE_VM_CLASSFILE_CLASSLOADEREXT_HPP