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Java ports and bindings of the LZ4 compression algorithm and the xxHash hashing algorithm

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package net.jpountz.xxhash;

/*
 * 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.
 */

import java.nio.ByteBuffer;

import net.jpountz.util.Native;

enum XXHashJNI {
  ;

  static {
    Native.load();
    init();
  }

  private static native void init();
  static native int XXH32(byte[] input, int offset, int len, int seed);
  static native int XXH32BB(ByteBuffer input, int offset, int len, int seed);
  static native long XXH32_init(int seed);
  static native void XXH32_update(long state, byte[] input, int offset, int len);
  static native int XXH32_digest(long state);
  static native void XXH32_free(long state);

  static native long XXH64(byte[] input, int offset, int len, long seed);
  static native long XXH64BB(ByteBuffer input, int offset, int len, long seed);
  static native long XXH64_init(long seed);
  static native void XXH64_update(long state, byte[] input, int offset, int len);
  static native long XXH64_digest(long state);
  static native void XXH64_free(long state);
}