1bc21fdefdfbeba1754c6cd339c7dd8e8f1d6fd48Nick Pelly/* 2bc21fdefdfbeba1754c6cd339c7dd8e8f1d6fd48Nick Pelly * Copyright (C) 2010 The Android Open Source Project 3bc21fdefdfbeba1754c6cd339c7dd8e8f1d6fd48Nick Pelly * 4bc21fdefdfbeba1754c6cd339c7dd8e8f1d6fd48Nick Pelly * Licensed under the Apache License, Version 2.0 (the "License"); 5bc21fdefdfbeba1754c6cd339c7dd8e8f1d6fd48Nick Pelly * you may not use this file except in compliance with the License. 6bc21fdefdfbeba1754c6cd339c7dd8e8f1d6fd48Nick Pelly * You may obtain a copy of the License at 7bc21fdefdfbeba1754c6cd339c7dd8e8f1d6fd48Nick Pelly * 8bc21fdefdfbeba1754c6cd339c7dd8e8f1d6fd48Nick Pelly * http://www.apache.org/licenses/LICENSE-2.0 9bc21fdefdfbeba1754c6cd339c7dd8e8f1d6fd48Nick Pelly * 10bc21fdefdfbeba1754c6cd339c7dd8e8f1d6fd48Nick Pelly * Unless required by applicable law or agreed to in writing, software 11bc21fdefdfbeba1754c6cd339c7dd8e8f1d6fd48Nick Pelly * distributed under the License is distributed on an "AS IS" BASIS, 12bc21fdefdfbeba1754c6cd339c7dd8e8f1d6fd48Nick Pelly * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13bc21fdefdfbeba1754c6cd339c7dd8e8f1d6fd48Nick Pelly * See the License for the specific language governing permissions and 14bc21fdefdfbeba1754c6cd339c7dd8e8f1d6fd48Nick Pelly * limitations under the License. 15bc21fdefdfbeba1754c6cd339c7dd8e8f1d6fd48Nick Pelly */ 16bc21fdefdfbeba1754c6cd339c7dd8e8f1d6fd48Nick Pelly 17bc21fdefdfbeba1754c6cd339c7dd8e8f1d6fd48Nick Pelly#define LOG_TAG "NdefRecord" 18bc21fdefdfbeba1754c6cd339c7dd8e8f1d6fd48Nick Pelly 191af97f0b78663eae0877644cc5f19bdbd9d033c7Nick Pelly#include <stdlib.h> 201af97f0b78663eae0877644cc5f19bdbd9d033c7Nick Pelly 21bc21fdefdfbeba1754c6cd339c7dd8e8f1d6fd48Nick Pelly#include "jni.h" 22bc21fdefdfbeba1754c6cd339c7dd8e8f1d6fd48Nick Pelly#include "JNIHelp.h" 23bc21fdefdfbeba1754c6cd339c7dd8e8f1d6fd48Nick Pelly 24bc21fdefdfbeba1754c6cd339c7dd8e8f1d6fd48Nick Pelly#include "android_nfc.h" 25bc21fdefdfbeba1754c6cd339c7dd8e8f1d6fd48Nick Pelly 26bc21fdefdfbeba1754c6cd339c7dd8e8f1d6fd48Nick Pelly#include <utils/Log.h> 27bc21fdefdfbeba1754c6cd339c7dd8e8f1d6fd48Nick Pelly 28bc21fdefdfbeba1754c6cd339c7dd8e8f1d6fd48Nick Pellynamespace android { 29bc21fdefdfbeba1754c6cd339c7dd8e8f1d6fd48Nick Pelly 30bc21fdefdfbeba1754c6cd339c7dd8e8f1d6fd48Nick Pellystatic jbyteArray android_nfc_NdefRecord_generate( 31bc21fdefdfbeba1754c6cd339c7dd8e8f1d6fd48Nick Pelly JNIEnv *e, jobject o, jshort flags, jshort tnf, jbyteArray type, 32bc21fdefdfbeba1754c6cd339c7dd8e8f1d6fd48Nick Pelly jbyteArray id, jbyteArray payload) 33bc21fdefdfbeba1754c6cd339c7dd8e8f1d6fd48Nick Pelly{ 34bc21fdefdfbeba1754c6cd339c7dd8e8f1d6fd48Nick Pelly uint32_t status; 35bc21fdefdfbeba1754c6cd339c7dd8e8f1d6fd48Nick Pelly phFriNfc_NdefRecord_t record; 36bc21fdefdfbeba1754c6cd339c7dd8e8f1d6fd48Nick Pelly uint32_t buf_size; 37bc21fdefdfbeba1754c6cd339c7dd8e8f1d6fd48Nick Pelly uint32_t record_size; 38bc21fdefdfbeba1754c6cd339c7dd8e8f1d6fd48Nick Pelly uint8_t *buf = NULL; 39bc21fdefdfbeba1754c6cd339c7dd8e8f1d6fd48Nick Pelly jbyteArray result = NULL; 40bc21fdefdfbeba1754c6cd339c7dd8e8f1d6fd48Nick Pelly 41bc21fdefdfbeba1754c6cd339c7dd8e8f1d6fd48Nick Pelly /* Prepare NDEF record structure */ 42bc21fdefdfbeba1754c6cd339c7dd8e8f1d6fd48Nick Pelly record.Flags = (uint8_t)flags; 43bc21fdefdfbeba1754c6cd339c7dd8e8f1d6fd48Nick Pelly record.Tnf = (uint8_t)tnf; 44bc21fdefdfbeba1754c6cd339c7dd8e8f1d6fd48Nick Pelly record.TypeLength = (uint32_t)e->GetArrayLength(type); 45bc21fdefdfbeba1754c6cd339c7dd8e8f1d6fd48Nick Pelly record.Type = (uint8_t *)e->GetByteArrayElements(type, NULL); 46bc21fdefdfbeba1754c6cd339c7dd8e8f1d6fd48Nick Pelly record.IdLength = (uint32_t)e->GetArrayLength(id); 47bc21fdefdfbeba1754c6cd339c7dd8e8f1d6fd48Nick Pelly record.Id = (uint8_t *)e->GetByteArrayElements(id, NULL); 48bc21fdefdfbeba1754c6cd339c7dd8e8f1d6fd48Nick Pelly record.PayloadLength = (uint32_t)e->GetArrayLength(payload); 49bc21fdefdfbeba1754c6cd339c7dd8e8f1d6fd48Nick Pelly record.PayloadData = (uint8_t *)e->GetByteArrayElements(payload, NULL); 50bc21fdefdfbeba1754c6cd339c7dd8e8f1d6fd48Nick Pelly 51bc21fdefdfbeba1754c6cd339c7dd8e8f1d6fd48Nick Pelly buf_size = record.PayloadLength + record.IdLength + record.TypeLength + 8; 52bc21fdefdfbeba1754c6cd339c7dd8e8f1d6fd48Nick Pelly 53bc21fdefdfbeba1754c6cd339c7dd8e8f1d6fd48Nick Pelly buf = (uint8_t*)malloc(buf_size); 54bc21fdefdfbeba1754c6cd339c7dd8e8f1d6fd48Nick Pelly if (buf == NULL) 55bc21fdefdfbeba1754c6cd339c7dd8e8f1d6fd48Nick Pelly goto end; 56bc21fdefdfbeba1754c6cd339c7dd8e8f1d6fd48Nick Pelly 575629d51f221adad107a509570ab2c739d1bf1a23Jeff Hamilton TRACE("phFriNfc_NdefRecord_Generate()"); 58bc21fdefdfbeba1754c6cd339c7dd8e8f1d6fd48Nick Pelly 59bc21fdefdfbeba1754c6cd339c7dd8e8f1d6fd48Nick Pelly status = phFriNfc_NdefRecord_Generate(&record, buf, buf_size, 60bc21fdefdfbeba1754c6cd339c7dd8e8f1d6fd48Nick Pelly &record_size); 61bc21fdefdfbeba1754c6cd339c7dd8e8f1d6fd48Nick Pelly 62bc21fdefdfbeba1754c6cd339c7dd8e8f1d6fd48Nick Pelly if (status) { 63bc21fdefdfbeba1754c6cd339c7dd8e8f1d6fd48Nick Pelly LOGE("phFriNfc_NdefRecord_Generate() returned 0x%04x", status); 64bc21fdefdfbeba1754c6cd339c7dd8e8f1d6fd48Nick Pelly goto end; 65bc21fdefdfbeba1754c6cd339c7dd8e8f1d6fd48Nick Pelly } 665629d51f221adad107a509570ab2c739d1bf1a23Jeff Hamilton TRACE("phFriNfc_NdefRecord_Generate() returned 0x%04x", status); 67bc21fdefdfbeba1754c6cd339c7dd8e8f1d6fd48Nick Pelly 68bc21fdefdfbeba1754c6cd339c7dd8e8f1d6fd48Nick Pelly result = e->NewByteArray(record_size); 69bc21fdefdfbeba1754c6cd339c7dd8e8f1d6fd48Nick Pelly if (result == NULL) 70bc21fdefdfbeba1754c6cd339c7dd8e8f1d6fd48Nick Pelly goto end; 71bc21fdefdfbeba1754c6cd339c7dd8e8f1d6fd48Nick Pelly 72bc21fdefdfbeba1754c6cd339c7dd8e8f1d6fd48Nick Pelly e->SetByteArrayRegion(result, 0, record_size, (jbyte *)buf); 73bc21fdefdfbeba1754c6cd339c7dd8e8f1d6fd48Nick Pelly 74bc21fdefdfbeba1754c6cd339c7dd8e8f1d6fd48Nick Pellyend: 75bc21fdefdfbeba1754c6cd339c7dd8e8f1d6fd48Nick Pelly e->ReleaseByteArrayElements(type, (jbyte *)record.Type, JNI_ABORT); 76bc21fdefdfbeba1754c6cd339c7dd8e8f1d6fd48Nick Pelly e->ReleaseByteArrayElements(id, (jbyte *)record.Id, JNI_ABORT); 77bc21fdefdfbeba1754c6cd339c7dd8e8f1d6fd48Nick Pelly e->ReleaseByteArrayElements(payload, (jbyte *)record.PayloadData, JNI_ABORT); 78bc21fdefdfbeba1754c6cd339c7dd8e8f1d6fd48Nick Pelly 79bc21fdefdfbeba1754c6cd339c7dd8e8f1d6fd48Nick Pelly if(buf) 80bc21fdefdfbeba1754c6cd339c7dd8e8f1d6fd48Nick Pelly free(buf); 81bc21fdefdfbeba1754c6cd339c7dd8e8f1d6fd48Nick Pelly 82bc21fdefdfbeba1754c6cd339c7dd8e8f1d6fd48Nick Pelly return result; 83bc21fdefdfbeba1754c6cd339c7dd8e8f1d6fd48Nick Pelly} 84bc21fdefdfbeba1754c6cd339c7dd8e8f1d6fd48Nick Pelly 85dd7341f775ca4d86091f4106d6dfef9214073a7dSylvain Fonteneaustatic jint android_nfc_NdefRecord_parseNdefRecord(JNIEnv *e, jobject o, 86dd7341f775ca4d86091f4106d6dfef9214073a7dSylvain Fonteneau jbyteArray array) 87dd7341f775ca4d86091f4106d6dfef9214073a7dSylvain Fonteneau{ 88dd7341f775ca4d86091f4106d6dfef9214073a7dSylvain Fonteneau uint16_t status; 89dd7341f775ca4d86091f4106d6dfef9214073a7dSylvain Fonteneau jbyte *raw_record; 90dd7341f775ca4d86091f4106d6dfef9214073a7dSylvain Fonteneau jsize raw_record_size; 91dd7341f775ca4d86091f4106d6dfef9214073a7dSylvain Fonteneau jint ret = -1; 92dd7341f775ca4d86091f4106d6dfef9214073a7dSylvain Fonteneau phFriNfc_NdefRecord_t record; 93dd7341f775ca4d86091f4106d6dfef9214073a7dSylvain Fonteneau 948bede1704717f594a0f924a57ff46f6300347e30Martijn Coenen jfieldID mType, mId, mPayload, mTnf, mFlags; 95dd7341f775ca4d86091f4106d6dfef9214073a7dSylvain Fonteneau jbyteArray type = NULL; 96dd7341f775ca4d86091f4106d6dfef9214073a7dSylvain Fonteneau jbyteArray id = NULL; 97dd7341f775ca4d86091f4106d6dfef9214073a7dSylvain Fonteneau jbyteArray payload = NULL; 98dd7341f775ca4d86091f4106d6dfef9214073a7dSylvain Fonteneau 99dd7341f775ca4d86091f4106d6dfef9214073a7dSylvain Fonteneau jclass record_cls = e->GetObjectClass(o); 100dd7341f775ca4d86091f4106d6dfef9214073a7dSylvain Fonteneau 101dd7341f775ca4d86091f4106d6dfef9214073a7dSylvain Fonteneau raw_record_size = e->GetArrayLength(array); 102dd7341f775ca4d86091f4106d6dfef9214073a7dSylvain Fonteneau raw_record = e->GetByteArrayElements(array, NULL); 103dd7341f775ca4d86091f4106d6dfef9214073a7dSylvain Fonteneau if (raw_record == NULL) { 104dd7341f775ca4d86091f4106d6dfef9214073a7dSylvain Fonteneau goto clean_and_return; 105dd7341f775ca4d86091f4106d6dfef9214073a7dSylvain Fonteneau } 106dd7341f775ca4d86091f4106d6dfef9214073a7dSylvain Fonteneau 1075629d51f221adad107a509570ab2c739d1bf1a23Jeff Hamilton TRACE("phFriNfc_NdefRecord_Parse()"); 108dd7341f775ca4d86091f4106d6dfef9214073a7dSylvain Fonteneau status = phFriNfc_NdefRecord_Parse(&record, (uint8_t *)raw_record); 109dd7341f775ca4d86091f4106d6dfef9214073a7dSylvain Fonteneau if (status) { 110dd7341f775ca4d86091f4106d6dfef9214073a7dSylvain Fonteneau LOGE("phFriNfc_NdefRecord_Parse() returned 0x%04x", status); 111dd7341f775ca4d86091f4106d6dfef9214073a7dSylvain Fonteneau goto clean_and_return; 112dd7341f775ca4d86091f4106d6dfef9214073a7dSylvain Fonteneau } 1135629d51f221adad107a509570ab2c739d1bf1a23Jeff Hamilton TRACE("phFriNfc_NdefRecord_Parse() returned 0x%04x", status); 114dd7341f775ca4d86091f4106d6dfef9214073a7dSylvain Fonteneau 115dd7341f775ca4d86091f4106d6dfef9214073a7dSylvain Fonteneau /* Set TNF field */ 116dd7341f775ca4d86091f4106d6dfef9214073a7dSylvain Fonteneau mTnf = e->GetFieldID(record_cls, "mTnf", "S"); 117dd7341f775ca4d86091f4106d6dfef9214073a7dSylvain Fonteneau e->SetShortField(o, mTnf, record.Tnf); 118dd7341f775ca4d86091f4106d6dfef9214073a7dSylvain Fonteneau 119dd7341f775ca4d86091f4106d6dfef9214073a7dSylvain Fonteneau /* Set type field */ 120dd7341f775ca4d86091f4106d6dfef9214073a7dSylvain Fonteneau mType = e->GetFieldID(record_cls, "mType", "[B"); 121dd7341f775ca4d86091f4106d6dfef9214073a7dSylvain Fonteneau type = e->NewByteArray(record.TypeLength); 122dd7341f775ca4d86091f4106d6dfef9214073a7dSylvain Fonteneau if (type == NULL) { 123dd7341f775ca4d86091f4106d6dfef9214073a7dSylvain Fonteneau goto clean_and_return; 124dd7341f775ca4d86091f4106d6dfef9214073a7dSylvain Fonteneau } 125dd7341f775ca4d86091f4106d6dfef9214073a7dSylvain Fonteneau e->SetByteArrayRegion(type, 0, record.TypeLength, 126dd7341f775ca4d86091f4106d6dfef9214073a7dSylvain Fonteneau (jbyte *)record.Type); 127dd7341f775ca4d86091f4106d6dfef9214073a7dSylvain Fonteneau e->SetObjectField(o, mType, type); 128dd7341f775ca4d86091f4106d6dfef9214073a7dSylvain Fonteneau 129dd7341f775ca4d86091f4106d6dfef9214073a7dSylvain Fonteneau /* Set id field */ 130dd7341f775ca4d86091f4106d6dfef9214073a7dSylvain Fonteneau mId = e->GetFieldID(record_cls, "mId", "[B"); 131dd7341f775ca4d86091f4106d6dfef9214073a7dSylvain Fonteneau id = e->NewByteArray(record.IdLength); 132dd7341f775ca4d86091f4106d6dfef9214073a7dSylvain Fonteneau if (id == NULL) { 133dd7341f775ca4d86091f4106d6dfef9214073a7dSylvain Fonteneau goto clean_and_return; 134dd7341f775ca4d86091f4106d6dfef9214073a7dSylvain Fonteneau } 135dd7341f775ca4d86091f4106d6dfef9214073a7dSylvain Fonteneau e->SetByteArrayRegion(id, 0, record.IdLength, 136dd7341f775ca4d86091f4106d6dfef9214073a7dSylvain Fonteneau (jbyte *)record.Id); 137dd7341f775ca4d86091f4106d6dfef9214073a7dSylvain Fonteneau e->SetObjectField(o, mId, id); 138dd7341f775ca4d86091f4106d6dfef9214073a7dSylvain Fonteneau 139dd7341f775ca4d86091f4106d6dfef9214073a7dSylvain Fonteneau /* Set payload field */ 140dd7341f775ca4d86091f4106d6dfef9214073a7dSylvain Fonteneau mPayload = e->GetFieldID(record_cls, "mPayload", "[B"); 141dd7341f775ca4d86091f4106d6dfef9214073a7dSylvain Fonteneau payload = e->NewByteArray(record.PayloadLength); 142dd7341f775ca4d86091f4106d6dfef9214073a7dSylvain Fonteneau if (payload == NULL) { 143dd7341f775ca4d86091f4106d6dfef9214073a7dSylvain Fonteneau goto clean_and_return; 144dd7341f775ca4d86091f4106d6dfef9214073a7dSylvain Fonteneau } 1458bede1704717f594a0f924a57ff46f6300347e30Martijn Coenen 146dd7341f775ca4d86091f4106d6dfef9214073a7dSylvain Fonteneau e->SetByteArrayRegion(payload, 0, record.PayloadLength, 147dd7341f775ca4d86091f4106d6dfef9214073a7dSylvain Fonteneau (jbyte *)record.PayloadData); 148dd7341f775ca4d86091f4106d6dfef9214073a7dSylvain Fonteneau e->SetObjectField(o, mPayload, payload); 149dd7341f775ca4d86091f4106d6dfef9214073a7dSylvain Fonteneau 1508bede1704717f594a0f924a57ff46f6300347e30Martijn Coenen /* Set flags field */ 1518bede1704717f594a0f924a57ff46f6300347e30Martijn Coenen mFlags = e->GetFieldID(record_cls, "mFlags", "B"); 152ef565c43939d9ce417f0064852badb91ae669e77Martijn Coenen e->SetByteField(o, mFlags, record.Flags); 1538bede1704717f594a0f924a57ff46f6300347e30Martijn Coenen 154dd7341f775ca4d86091f4106d6dfef9214073a7dSylvain Fonteneau ret = 0; 155dd7341f775ca4d86091f4106d6dfef9214073a7dSylvain Fonteneau 156dd7341f775ca4d86091f4106d6dfef9214073a7dSylvain Fonteneauclean_and_return: 157dd7341f775ca4d86091f4106d6dfef9214073a7dSylvain Fonteneau if (type != NULL) { 158dd7341f775ca4d86091f4106d6dfef9214073a7dSylvain Fonteneau e->DeleteLocalRef(type); 159dd7341f775ca4d86091f4106d6dfef9214073a7dSylvain Fonteneau } 160dd7341f775ca4d86091f4106d6dfef9214073a7dSylvain Fonteneau if (id != NULL) { 161dd7341f775ca4d86091f4106d6dfef9214073a7dSylvain Fonteneau e->DeleteLocalRef(id); 162dd7341f775ca4d86091f4106d6dfef9214073a7dSylvain Fonteneau } 163dd7341f775ca4d86091f4106d6dfef9214073a7dSylvain Fonteneau if (payload != NULL) { 164dd7341f775ca4d86091f4106d6dfef9214073a7dSylvain Fonteneau e->DeleteLocalRef(payload); 165dd7341f775ca4d86091f4106d6dfef9214073a7dSylvain Fonteneau } 166dd7341f775ca4d86091f4106d6dfef9214073a7dSylvain Fonteneau if (raw_record != NULL) { 167dd7341f775ca4d86091f4106d6dfef9214073a7dSylvain Fonteneau e->ReleaseByteArrayElements(array, raw_record, JNI_ABORT); 168dd7341f775ca4d86091f4106d6dfef9214073a7dSylvain Fonteneau } 169dd7341f775ca4d86091f4106d6dfef9214073a7dSylvain Fonteneau 170dd7341f775ca4d86091f4106d6dfef9214073a7dSylvain Fonteneau return ret; 171dd7341f775ca4d86091f4106d6dfef9214073a7dSylvain Fonteneau} 172dd7341f775ca4d86091f4106d6dfef9214073a7dSylvain Fonteneau 173bc21fdefdfbeba1754c6cd339c7dd8e8f1d6fd48Nick Pellystatic JNINativeMethod gMethods[] = { 174bc21fdefdfbeba1754c6cd339c7dd8e8f1d6fd48Nick Pelly {"generate", "(SS[B[B[B)[B", (void *)android_nfc_NdefRecord_generate}, 175dd7341f775ca4d86091f4106d6dfef9214073a7dSylvain Fonteneau {"parseNdefRecord", "([B)I", (void *)android_nfc_NdefRecord_parseNdefRecord}, 176bc21fdefdfbeba1754c6cd339c7dd8e8f1d6fd48Nick Pelly}; 177bc21fdefdfbeba1754c6cd339c7dd8e8f1d6fd48Nick Pelly 178bc21fdefdfbeba1754c6cd339c7dd8e8f1d6fd48Nick Pellyint register_android_nfc_NdefRecord(JNIEnv *e) 179bc21fdefdfbeba1754c6cd339c7dd8e8f1d6fd48Nick Pelly{ 180bc21fdefdfbeba1754c6cd339c7dd8e8f1d6fd48Nick Pelly return jniRegisterNativeMethods(e, "android/nfc/NdefRecord", gMethods, NELEM(gMethods)); 181bc21fdefdfbeba1754c6cd339c7dd8e8f1d6fd48Nick Pelly} 182bc21fdefdfbeba1754c6cd339c7dd8e8f1d6fd48Nick Pelly 183bc21fdefdfbeba1754c6cd339c7dd8e8f1d6fd48Nick Pelly} // namespace android 184