22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 
  27 package com.sun.java.util.jar.pack;
  28 
  29 import java.io.BufferedInputStream;
  30 import java.io.File;
  31 import java.io.FileInputStream;
  32 import java.io.IOException;
  33 import java.io.InputStream;
  34 import java.nio.ByteBuffer;
  35 import java.util.jar.JarOutputStream;
  36 import java.util.jar.Pack200;
  37 import java.util.zip.CRC32;
  38 import java.util.zip.Deflater;
  39 import java.util.zip.ZipEntry;
  40 import java.util.zip.ZipOutputStream;
  41 

  42 class NativeUnpack {
  43     // Pointer to the native unpacker obj
  44     private long unpackerPtr;
  45 
  46     // Input stream.
  47     private BufferedInputStream in;
  48 
  49     private static synchronized native void initIDs();
  50 
  51     // Starts processing at the indicated position in the buffer.
  52     // If the buffer is null, the readInputFn callback is used to get bytes.
  53     // Returns (s<<32|f), the number of following segments and files.
  54     private synchronized native long start(ByteBuffer buf, long offset);
  55 
  56     // Returns true if there's another, and fills in the parts.
  57     private synchronized native boolean getNextFile(Object[] parts);
  58 
  59     private synchronized native ByteBuffer getUnusedInput();
  60 
  61     // Resets the engine and frees all resources.

  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 
  27 package com.sun.java.util.jar.pack;
  28 
  29 import java.io.BufferedInputStream;
  30 import java.io.File;
  31 import java.io.FileInputStream;
  32 import java.io.IOException;
  33 import java.io.InputStream;
  34 import java.nio.ByteBuffer;
  35 import java.util.jar.JarOutputStream;
  36 import java.util.jar.Pack200;
  37 import java.util.zip.CRC32;
  38 import java.util.zip.Deflater;
  39 import java.util.zip.ZipEntry;
  40 import java.util.zip.ZipOutputStream;
  41 
  42 @SuppressWarnings({"removal"})
  43 class NativeUnpack {
  44     // Pointer to the native unpacker obj
  45     private long unpackerPtr;
  46 
  47     // Input stream.
  48     private BufferedInputStream in;
  49 
  50     private static synchronized native void initIDs();
  51 
  52     // Starts processing at the indicated position in the buffer.
  53     // If the buffer is null, the readInputFn callback is used to get bytes.
  54     // Returns (s<<32|f), the number of following segments and files.
  55     private synchronized native long start(ByteBuffer buf, long offset);
  56 
  57     // Returns true if there's another, and fills in the parts.
  58     private synchronized native boolean getNextFile(Object[] parts);
  59 
  60     private synchronized native ByteBuffer getUnusedInput();
  61 
  62     // Resets the engine and frees all resources.