Snapshot 1a6bcf3cca90fedfbad33c1cdd6d05af5774fc01

Change-Id: I3ccb25bf7cde2c22f52260cae0e9957517e6bb5f

1 files changed, 150 insertions, 0 deletions

diff --git a/nci/jni/NfcJniUtil.cpp b/nci/jni/NfcJniUtil.cpp
new file mode 100755
index 0000000..9921cae
--- /dev/null
+++ b/nci/jni/NfcJniUtil.cpp
@@ -0,0 +1,150 @@
+/*
+ * 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.
+ */
+#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