1 /* 2 * Copyright (C) 2013 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #include "outputstream_wrapper.h" 18 #include "error_codes.h" 19 20 jmethodID OutputStreamWrapper::sWriteID = NULL; 21 22 int32_t OutputStreamWrapper::write(int32_t length, int32_t offset) { 23 if (offset < 0 || length < 0 || (offset + length) > getBufferSize()) { 24 return J_ERROR_BAD_ARGS; 25 } 26 mEnv->ReleaseByteArrayElements(mByteArray, mBytes, JNI_COMMIT); 27 mBytes = NULL; 28 if (mEnv->ExceptionCheck()) { 29 return J_EXCEPTION; 30 } 31 if (sWriteID == NULL) { 32 LOGE("Uninitialized method ID for OutputStream write function."); 33 return J_ERROR_FATAL; 34 } 35 // Call OutputStream write with byte array. 36 mEnv->CallVoidMethod(mStream, sWriteID, mByteArray, offset, length); 37 if (mEnv->ExceptionCheck()) { 38 return J_EXCEPTION; 39 } 40 mBytes = mEnv->GetByteArrayElements(mByteArray, NULL); 41 if (mBytes == NULL || mEnv->ExceptionCheck()) { 42 return J_EXCEPTION; 43 } 44 return J_SUCCESS; 45 } 46 47 void OutputStreamWrapper::setWriteMethodID(jmethodID id) { 48 sWriteID = id; 49 } 50
