Tools/Source/FrameworkTasks/org/tianocore/framework/tasks/Compress.java

   1 /** @file
   2  Compress class.
   3
   4  This class is to call CompressDll.dll to compress section.
   5
   6  Copyright (c) 2006, Intel Corporation
   7  All rights reserved. This program and the accompanying materials
   8  are licensed and made available under the terms and conditions of the BSD License
   9  which accompanies this distribution.  The full text of the license may be found at
  10  http://opensource.org/licenses/bsd-license.php
  11
  12  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  13  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  14
  15  **/
  16
  17 package org.tianocore.framework.tasks;
  18
  19 import java.io.File;
  20
  21 /**
  22
  23   This class is to call CompressDll.dll to compress section.
  24
  25 **/
  26 public class Compress {
  27     byte[] inputBuffer;
  28     byte[] outputBuffer;
  29     int    size;
  30
  31     static {
  32         String dllPath;
  33
  34         dllPath = GenFfsFileTask.path;
  35         dllPath = dllPath +
  36                   File.separator +
  37                   "CompressDll.dll";
  38
  39         System.load(dllPath);
  40     }
  41
  42     /**
  43       CallCompress
  44
  45       This function is to call the compressDll.dll to compress the contents in
  46       buffer.
  47
  48       @param  inputBuffer       The input buffer.
  49       @param  size              The size of buffer in byte.
  50       @param  dllPath           The compressDll.dll path.
  51       @return                   The buffer contained the comrpessed input.
  52     **/
  53     public native byte[] CallCompress (byte[] inputBuffer, int size, String dllPath);
  54
  55     /**
  56       Construct function
  57
  58       This function is to initialize the class member and call the compress
  59       function.
  60
  61       @param inBuffer           The input buffer.
  62       @param size               The size of buffer in byte.
  63     **/
  64     public Compress (byte[] inBuffer, int size){
  65         this.inputBuffer   = inBuffer;
  66         this.size          = size;
  67         String path        = GenFfsFileTask.path;
  68
  69         //
  70         //  Call Compress function.
  71         //
  72         this.outputBuffer  = CallCompress (
  73                                           this.inputBuffer,
  74                                           this.size,
  75                                           path
  76                                           );
  77     }
  78 }