| /* |
| Copyright © Trustonic Limited 2013 |
| |
| All rights reserved. |
| |
| Redistribution and use in source and binary forms, with or without modification, |
| are permitted provided that the following conditions are met: |
| |
| 1. Redistributions of source code must retain the above copyright notice, this |
| list of conditions and the following disclaimer. |
| |
| 2. Redistributions in binary form must reproduce the above copyright notice, |
| this list of conditions and the following disclaimer in the documentation |
| and/or other materials provided with the distribution. |
| |
| 3. Neither the name of the Trustonic Limited nor the names of its contributors |
| may be used to endorse or promote products derived from this software |
| without specific prior written permission. |
| |
| THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND |
| ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, |
| INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
| BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF |
| LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE |
| OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
| OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| #include "JniHelpers.h" |
| #include "rootpaErrors.h" |
| |
| JniHelpers::JniHelpers(JNIEnv* envP):broken_(false), |
| envP_(envP), |
| keysP_(NULL), |
| valuesP_(NULL), |
| productIdP_(NULL), |
| listCls_(NULL), |
| intCls_(NULL), |
| stringCls_(NULL), |
| stringConstructur_(NULL), |
| intConstructor_(NULL), |
| listAdd_(NULL) |
| {} |
| |
| JniHelpers::~JniHelpers() |
| { |
| if(listCls_!=NULL) |
| { |
| envP_->DeleteLocalRef(listCls_); |
| } |
| |
| if(intCls_!=NULL) |
| { |
| envP_->DeleteLocalRef(intCls_); |
| } |
| |
| if(stringCls_!=NULL) |
| { |
| envP_->DeleteLocalRef(stringCls_); |
| } |
| } |
| |
| |
| JniHelpers::JniHelpers(JNIEnv* envP,jobject* keysP, jobject* valuesP, jbyteArray* productIdP):broken_(false), |
| envP_(envP), |
| keysP_(keysP), |
| valuesP_(valuesP), |
| productIdP_(productIdP), |
| listCls_(NULL), |
| intCls_(NULL), |
| stringCls_(NULL), |
| stringConstructur_(NULL), |
| intConstructor_(NULL), |
| listAdd_(NULL) |
| { |
| listCls_=envP_->FindClass("java/util/List"); |
| if(NULL == listCls_) |
| { |
| LOGE("JniHelpers::JniHelpers no listCls_"); |
| broken_=true; |
| return; |
| } |
| |
| listAdd_=envP_->GetMethodID(listCls_, "add", "(Ljava/lang/Object;)Z"); |
| if(NULL == listAdd_) |
| { |
| LOGE("JniHelpers::JniHelpers no listAdd_"); |
| broken_=true; |
| return; |
| } |
| |
| intCls_=envP_->FindClass("java/lang/Integer"); |
| if(NULL == intCls_) |
| { |
| LOGE("JniHelpers::JniHelpers no intCls_"); |
| broken_=true; |
| return; |
| } |
| |
| intConstructor_=envP_->GetMethodID(intCls_, "<init>", "(I)V"); |
| if(NULL == intConstructor_) |
| { |
| LOGE("JniHelpers::JniHelpers no intConstructor_"); |
| broken_=true; |
| return; |
| } |
| |
| stringCls_=envP_->FindClass("java/lang/String"); |
| if(NULL == stringCls_) |
| { |
| LOGE("JniHelpers::JniHelpers no stringCls_"); |
| broken_=true; |
| return; |
| } |
| |
| stringConstructur_=envP_->GetMethodID(stringCls_, "<init>", "([B)V"); |
| if(NULL == stringConstructur_) |
| { |
| LOGE("JniHelpers::JniHelpers no stringConstructur_"); |
| broken_=true; |
| return; |
| } |
| } |
| |
| int JniHelpers::setVersion(char* fieldName, int version) |
| { |
| if(broken_) return ROOTPA_ERROR_INTERNAL; |
| |
| jbyteArray fName=byteArrayToJByteArray((uint8_t*)fieldName, strlen(fieldName)); |
| if(NULL == fName) |
| { |
| LOGE("JniHelpers::setVersion no fName"); |
| broken_=true; |
| return ROOTPA_ERROR_INTERNAL; |
| } |
| |
| jobject newStringObject = envP_->NewObject(stringCls_, stringConstructur_, fName); |
| if(NULL == newStringObject) |
| { |
| LOGE("JniHelpers::setVersion no newStringObject"); |
| broken_=true; |
| envP_->DeleteLocalRef(fName); |
| return ROOTPA_ERROR_INTERNAL; |
| } |
| envP_->DeleteLocalRef(fName); |
| |
| if(envP_->CallBooleanMethod(*keysP_, listAdd_, newStringObject)==JNI_FALSE) |
| { |
| LOGE("JniHelpers::setVersion can not add key"); |
| broken_=true; |
| envP_->DeleteLocalRef(newStringObject); |
| return ROOTPA_ERROR_INTERNAL; |
| } |
| envP_->DeleteLocalRef(newStringObject); |
| |
| jobject newIntObject = envP_->NewObject(intCls_, intConstructor_, version); |
| if(NULL == newIntObject) |
| { |
| LOGE("JniHelpers::setVersion no newIntObject"); |
| broken_=true; |
| return ROOTPA_ERROR_INTERNAL; |
| } |
| |
| if(envP_->CallBooleanMethod(*valuesP_, listAdd_, newIntObject)==JNI_FALSE) |
| { |
| LOGE("JniHelpers::setVersion can not add value"); |
| broken_=true; |
| envP_->DeleteLocalRef(newIntObject); |
| return ROOTPA_ERROR_INTERNAL; |
| } |
| envP_->DeleteLocalRef(newIntObject); |
| |
| return ROOTPA_OK; |
| } |
| |
| int JniHelpers::setProductId(char* productId) |
| { |
| return setByteArray(productIdP_,(uint8_t*)productId, strlen(productId)); |
| } |
| |
| int JniHelpers::setByteArray(jbyteArray* targetArrayP, uint8_t* sourceArrayP , uint32_t length) |
| { |
| if(broken_) return ROOTPA_ERROR_INTERNAL; |
| if(NULL==targetArrayP || NULL == sourceArrayP || 0 == length) return ROOTPA_ERROR_ILLEGAL_ARGUMENT; |
| envP_->SetByteArrayRegion(*targetArrayP, 0, length, (jbyte*) sourceArrayP); |
| |
| return ROOTPA_OK; |
| } |
| |
| int JniHelpers::setBooleanToArray(jbooleanArray* targetArrayP, bool source) |
| { |
| if(broken_) return ROOTPA_ERROR_INTERNAL; |
| if(NULL==targetArrayP ) return ROOTPA_ERROR_ILLEGAL_ARGUMENT; |
| envP_->SetBooleanArrayRegion(*targetArrayP, 0, 1 , (jboolean*) &source); |
| |
| return ROOTPA_OK; |
| } |
| |
| int JniHelpers::setIntToArray(jintArray* targetArrayP, int index, int source) |
| { |
| if(broken_) return ROOTPA_ERROR_INTERNAL; |
| if(NULL==targetArrayP ) return ROOTPA_ERROR_ILLEGAL_ARGUMENT; |
| envP_->SetIntArrayRegion(*targetArrayP, index, 1 , (jint*) &source); |
| |
| return ROOTPA_OK; |
| } |
| |
| jbyteArray JniHelpers::byteArrayToJByteArray(uint8_t* dataP, uint32_t length) |
| { |
| jbyteArray jbArray = NULL; |
| if (envP_->EnsureLocalCapacity(1) == JNI_OK) |
| { |
| |
| if ((length > 0) && (dataP != NULL)) |
| { |
| jbArray = envP_->NewByteArray(length); |
| if (jbArray != NULL) |
| { |
| envP_->SetByteArrayRegion(jbArray, 0, length, (jbyte*) dataP); |
| } |
| } |
| } |
| |
| return jbArray; |
| } |
| |
| /** |
| * Retrieves a uint8_t* jbyteArray (java) object. Result needs to be freed with delete[] afterwards. |
| * @param jBytes jbyteArray (java) of primitive byte data |
| * @param outLength* (OUT PARAMETER) length of the returned uint8_t* byte array |
| * @return uint8_t* byte array. Needs to be freed with delete[] afterwards. |
| */ |
| uint8_t* JniHelpers::jByteArrayToCByteArray(jbyteArray jBytes, uint32_t* outLength) |
| { |
| *outLength=0; |
| uint8_t* cBytes = NULL; |
| if ((jBytes != NULL) && !broken_) |
| { |
| *outLength = envP_->GetArrayLength(jBytes); |
| cBytes = new uint8_t[*outLength]; |
| jbyte* p_jcResult = envP_->GetByteArrayElements(jBytes, JNI_FALSE); |
| for (unsigned int i = 0; i < *outLength; i++) |
| { |
| cBytes[i] = (uint8_t) p_jcResult[i] & (0x00ff); |
| } |
| |
| envP_->ReleaseByteArrayElements(jBytes, p_jcResult, JNI_FALSE); |
| } |
| else |
| { |
| LOGE("jByteArrayToCByteArray: Input is NULL or something else is broken. Cannot return byte array"); |
| } |
| return cBytes; |
| } |
| |
| |