ZipUtilities.h revision b3aacde3d8af759ee4a7b395c636ea360547d92d 
1/*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements.  See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License.  You may obtain a copy of the License at
8 *
9 *     http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17
18#ifndef ZIP_UTILITIES_H_included
19#define ZIP_UTILITIES_H_included
20
21#include <memory>
22#include "jni.h"
23#include "zlib.h"
24
25class NativeZipStream {
26public:
27    std::unique_ptr<jbyte[]> input;
28    int inCap;
29    z_stream stream;
30
31    NativeZipStream();
32    ~NativeZipStream();
33    void setDictionary(JNIEnv* env, jbyteArray javaDictionary, int off, int len, bool inflate);
34    void setInput(JNIEnv* env, jbyteArray buf, jint off, jint len);
35
36private:
37    std::unique_ptr<jbyte[]> mDict;
38
39    // Disallow copy and assignment.
40    NativeZipStream(const NativeZipStream&);
41    void operator=(const NativeZipStream&);
42};
43
44NativeZipStream* toNativeZipStream(jlong address);
45
46void throwExceptionForZlibError(JNIEnv* env, const char* exceptionClassName, int error,
47        NativeZipStream* stream);
48
49#endif  // ZIP_UTILITIES_H_included
50