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/**
* @copyright
* ====================================================================
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.
* ====================================================================
* @endcopyright
*
* @file JNIByteArray.cpp
* @brief Implementation of the class JNIByteArray
*/
#include "JNIByteArray.h"
#include "JNIUtil.h"
/**
* Create a new object
* @param jba the local reference to the Java byte array
* @param flag that the underlying byte array reference should be deleted at
* destruction
*/
JNIByteArray::JNIByteArray(jbyteArray jba,
bool deleteByteArray,
bool abortOnRelease)
: m_array(jba),
m_data(!jba ? NULL
: JNIUtil::getEnv()->GetByteArrayElements(jba, NULL)),
m_deleteByteArray(deleteByteArray),
m_abortOnRelease(abortOnRelease)
{}
JNIByteArray::~JNIByteArray()
{
if (m_array != NULL)
{
// Release the bytes
JNIUtil::getEnv()->ReleaseByteArrayElements(
m_array, m_data,
(m_abortOnRelease ? JNI_ABORT: JNI_COMMIT));
if (m_deleteByteArray)
// And if needed the byte array.
JNIUtil::getEnv()->DeleteLocalRef(m_array);
}
}
/**
* Returns the number of bytes in the byte array.
* @return the number of bytes
*/
int JNIByteArray::getLength()
{
if (m_data == NULL)
return 0;
else
return JNIUtil::getEnv()->GetArrayLength(m_array);
}
/**
* Returns the bytes of the byte array.
* @return the bytes
*/
const signed char *JNIByteArray::getBytes() const
{
return m_data;
}
/**
* Returns if the byte array was not set.
* @return if the byte array was not set
*/
bool JNIByteArray::isNull() const
{
return m_data == NULL;
}
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