components/cronet/android/cronet_jni.cc

// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "base/android/base_jni_registrar.h"
#include "base/android/jni_android.h"
#include "base/android/jni_registrar.h"
#include "base/at_exit.h"
#include "components/cronet/android/org_chromium_net_UrlRequest.h"
#include "components/cronet/android/org_chromium_net_UrlRequestContext.h"
#include "net/android/net_jni_registrar.h"
#include "url/android/url_jni_registrar.h"

#if !defined(USE_ICU_ALTERNATIVES_ON_ANDROID)
#include "base/i18n/icu_util.h"
#endif

namespace {

const base::android::RegistrationMethod kCronetRegisteredMethods[] = {
  {"BaseAndroid", base::android::RegisterJni},
  {"NetAndroid", net::android::RegisterJni},
  {"UrlAndroid", url::android::RegisterJni},
  {"UrlRequest", cronet::UrlRequestRegisterJni},
  {"UrlRequestContext", cronet::UrlRequestContextRegisterJni},
};

base::AtExitManager* g_at_exit_manager = NULL;

}  // namespace

// Checks the available version of JNI. Also, caches Java reflection artifacts.
extern "C" jint JNI_OnLoad(JavaVM* vm, void* reserved) {
  JNIEnv* env;
  if (vm->GetEnv(reinterpret_cast<void**>(&env), JNI_VERSION_1_6) != JNI_OK) {
    return -1;
  }

  base::android::InitVM(vm);

  if (!base::android::RegisterNativeMethods(
          env, kCronetRegisteredMethods, arraysize(kCronetRegisteredMethods))) {
    return -1;
  }

  g_at_exit_manager = new base::AtExitManager();

#if !defined(USE_ICU_ALTERNATIVES_ON_ANDROID)
  base::i18n::InitializeICU();
#endif

  return JNI_VERSION_1_6;
}

extern "C" void JNIEXPORT JNICALL JNI_OnUnLoad(JavaVM* jvm, void* reserved) {
  if (g_at_exit_manager) {
    delete g_at_exit_manager;
    g_at_exit_manager = NULL;
  }
}