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/*
* Copyright (C) 2010 The Android Open Source Project
* Copyright (C) 2012 Broadcom Corporation
*
* 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 <errno.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 *reserved)
{
ALOGD ("%s: enter", __FUNCTION__);
JNIEnv *e = NULL;
// 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 (android::register_com_android_nfc_NativeNfcSecureElement (e) == -1)
return JNI_ERR;
ALOGD ("%s: exit", __FUNCTION__);
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)
{
jclass cls = NULL;
jobject obj = NULL;
jmethodID ctor = 0;
cls = e->FindClass (className);
if(cls == NULL)
{
ALOGE ("%s: find class error", __FUNCTION__);
return -1;
}
ctor = e->GetMethodID (cls, "<init>", "()V");
obj = e->NewObject (cls, ctor);
if (obj == NULL)
{
ALOGE ("%s: create object error", __FUNCTION__);
return -1;
}
*cachedObj = e->NewGlobalRef (obj);
if (*cachedObj == NULL)
{
e->DeleteLocalRef (obj);
ALOGE ("%s: global ref error", __FUNCTION__);
return -1;
}
e->DeleteLocalRef (obj);
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)
{
jclass c = NULL;
jfieldID f = 0;
c = e->GetObjectClass (o);
f = e->GetFieldID (c, "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)
{
jclass c = NULL;
jfieldID f = 0;
/* Retrieve native structure address */
c = e->GetObjectClass(o);
f = e->GetFieldID(c, "mNative", "I");
return (struct nfc_jni_native_data*)e->GetIntField(o, f);
}
} // namespace android
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