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 #ifndef STREAM_WRAPPER_H_
18 #define STREAM_WRAPPER_H_
19 
20 #include "jni_defines.h"
21 
22 #include <stdint.h>
23 
24 class StreamWrapper {
25 public:
26     StreamWrapper();
27     virtual ~StreamWrapper();
28     virtual void updateEnv(JNIEnv *env);
29     virtual bool init(JNIEnv *env, jobject stream);
30     virtual void cleanup();
31     virtual int32_t getBufferSize();
32     virtual jbyte* getBufferPtr();
33 
34     const static int32_t DEFAULT_BUFFER_SIZE;
35     const static int32_t END_OF_STREAM;
36 protected:
37     JNIEnv *mEnv;
38     jobject mStream;
39     jbyteArray mByteArray;
40     jbyte* mBytes;
41     int32_t mByteArrayLen;
42 };
43 
44 #endif // STREAM_WRAPPER_H_
45