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/*
* Copyright (C) 2013 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 "outputstream_wrapper.h"
#include "error_codes.h"
jmethodID OutputStreamWrapper::sWriteID = NULL;
int32_t OutputStreamWrapper::write(int32_t length, int32_t offset) {
if (offset < 0 || length < 0 || (offset + length) > getBufferSize()) {
return J_ERROR_BAD_ARGS;
}
mEnv->ReleaseByteArrayElements(mByteArray, mBytes, JNI_COMMIT);
mBytes = NULL;
if (mEnv->ExceptionCheck()) {
return J_EXCEPTION;
}
if (sWriteID == NULL) {
LOGE("Uninitialized method ID for OutputStream write function.");
return J_ERROR_FATAL;
}
// Call OutputStream write with byte array.
mEnv->CallVoidMethod(mStream, sWriteID, mByteArray, offset, length);
if (mEnv->ExceptionCheck()) {
return J_EXCEPTION;
}
mBytes = mEnv->GetByteArrayElements(mByteArray, NULL);
if (mBytes == NULL || mEnv->ExceptionCheck()) {
return J_EXCEPTION;
}
return J_SUCCESS;
}
void OutputStreamWrapper::setWriteMethodID(jmethodID id) {
sWriteID = id;
}
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