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/*
* Copyright (C) 2012 The Android Open Source Project
*
* Licensed 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.
*/
/******************************************************************************
*
* The original Work has been changed by NXP Semiconductors.
*
* Copyright (C) 2015 NXP Semiconductors
*
* Licensed 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.
*
******************************************************************************/
#include "NfcJniUtil.h"
#include <log/log.h>
#include <errno.h>
#include <JNIHelp.h>
#include <ScopedLocalRef.h>
#include "RoutingManager.h"
/*******************************************************************************
**
** Function: JNI_OnLoad
**
** Description: Register all JNI functions with Java Virtual Machine.
** jvm: Java Virtual Machine.
** reserved: Not used.
**
** Returns: JNI version.
**
*******************************************************************************/
jint JNI_OnLoad (JavaVM* jvm, void*)
{
ALOGV("%s: enter", __func__);
JNIEnv *e = NULL;
ALOGI("NFC Service: loading nci JNI");
// Check JNI version
if (jvm->GetEnv ((void **) &e, JNI_VERSION_1_6))
return JNI_ERR;
if (android::register_com_android_nfc_NativeNfcManager (e) == -1)
return JNI_ERR;
if (android::register_com_android_nfc_NativeLlcpServiceSocket (e) == -1)
return JNI_ERR;
if (android::register_com_android_nfc_NativeLlcpSocket (e) == -1)
return JNI_ERR;
if (android::register_com_android_nfc_NativeNfcTag (e) == -1)
return JNI_ERR;
if (android::register_com_android_nfc_NativeLlcpConnectionlessSocket (e) == -1)
return JNI_ERR;
if (android::register_com_android_nfc_NativeP2pDevice (e) == -1)
return JNI_ERR;
if (RoutingManager::getInstance().registerJniFunctions (e) == -1)
return JNI_ERR;
if (android::register_com_android_nfc_NativeNfcSecureElement (e) == -1)
return JNI_ERR;
if (android::register_com_android_nfc_NativeNfcAla (e) == -1)
return JNI_ERR;
ALOGV("%s: exit", __func__);
return JNI_VERSION_1_6;
}
namespace android
{
/*******************************************************************************
**
** Function: nfc_jni_cache_object
**
** Description:
**
** Returns: Status code.
**
*******************************************************************************/
int nfc_jni_cache_object (JNIEnv *e, const char *className, jobject *cachedObj)
{
ScopedLocalRef<jclass> cls(e, e->FindClass(className));
if (cls.get() == NULL)
{
ALOGE("%s: find class error", __func__);
return -1;
}
jmethodID ctor = e->GetMethodID(cls.get(), "<init>", "()V");
ScopedLocalRef<jobject> obj(e, e->NewObject(cls.get(), ctor));
if (obj.get() == NULL)
{
ALOGE("%s: create object error", __func__);
return -1;
}
*cachedObj = e->NewGlobalRef(obj.get());
if (*cachedObj == NULL)
{
ALOGE("%s: global ref error", __func__);
return -1;
}
return 0;
}
/*******************************************************************************
**
** Function: nfc_jni_get_nfc_socket_handle
**
** Description: Get the value of "mHandle" member variable.
** e: JVM environment.
** o: Java object.
**
** Returns: Value of mHandle.
**
*******************************************************************************/
int nfc_jni_get_nfc_socket_handle (JNIEnv *e, jobject o)
{
ScopedLocalRef<jclass> c(e, e->GetObjectClass(o));
jfieldID f = e->GetFieldID(c.get(), "mHandle", "I");
return e->GetIntField(o, f);
}
/*******************************************************************************
**
** Function: nfc_jni_get_nat
**
** Description: Get the value of "mNative" member variable.
** e: JVM environment.
** o: Java object.
**
** Returns: Pointer to the value of mNative.
**
*******************************************************************************/
struct nfc_jni_native_data* nfc_jni_get_nat(JNIEnv *e, jobject o)
{
ScopedLocalRef<jclass> c(e, e->GetObjectClass(o));
jfieldID f = e->GetFieldID(c.get(), "mNative", "J");
/* Retrieve native structure address */
return (struct nfc_jni_native_data*) e->GetLongField(o, f);
}
/*******************************************************************************
**
** Function nfc_jni_cache_object_local
**
** Description Allocates a java object and calls it's constructor
**
** Returns -1 on failure, 0 on success
**
*******************************************************************************/
int nfc_jni_cache_object_local (JNIEnv *e, const char *className, jobject *cachedObj)
{
ScopedLocalRef<jclass> cls(e, e->FindClass(className));
if(cls.get() == NULL)
{
ALOGE("%s: find class error", __func__);
return -1;
}
jmethodID ctor = e->GetMethodID(cls.get(), "<init>", "()V");
jobject obj = e->NewObject(cls.get(), ctor);
if (obj == NULL)
{
ALOGE("%s: create object error", __func__);
return -1;
}
*cachedObj = obj;
if (*cachedObj == NULL)
{
ALOGE("%s: global ref error", __func__);
return -1;
}
return 0;
}
} // namespace android
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