com.zving.preloader.zip.UnparseableExtraFieldData Maven / Gradle / Ivy

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package com.zving.preloader.zip;

public final class UnparseableExtraFieldData
  implements CentralDirectoryParsingZipExtraField
{
  private static final ZipShort HEADER_ID = new ZipShort(44225);
  private byte[] localFileData;
  private byte[] centralDirectoryData;
  
  public ZipShort getHeaderId()
  {
    return HEADER_ID;
  }
  
  public ZipShort getLocalFileDataLength()
  {
    return new ZipShort(this.localFileData == null ? 0 : this.localFileData.length);
  }
  
  public ZipShort getCentralDirectoryLength()
  {
    return this.centralDirectoryData == null ? getLocalFileDataLength() : new ZipShort(this.centralDirectoryData.length);
  }
  
  public byte[] getLocalFileDataData()
  {
    return ZipUtil.copy(this.localFileData);
  }
  
  public byte[] getCentralDirectoryData()
  {
    return this.centralDirectoryData == null ? getLocalFileDataData() : ZipUtil.copy(this.centralDirectoryData);
  }
  
  public void parseFromLocalFileData(byte[] buffer, int offset, int length)
  {
    this.localFileData = new byte[length];
    System.arraycopy(buffer, offset, this.localFileData, 0, length);
  }
  
  public void parseFromCentralDirectoryData(byte[] buffer, int offset, int length)
  {
    this.centralDirectoryData = new byte[length];
    System.arraycopy(buffer, offset, this.centralDirectoryData, 0, length);
    if (this.localFileData == null) {
      parseFromLocalFileData(buffer, offset, length);
    }
  }
}