jobattributes.java

来自「纯java操作系统jnode,安装简单和操作简单的个人使用的Java操作系统」· Java 代码 · 共 501 行 · 第 1/2 页

    return filename;
  }

  public void setFileName(String filename)
  {
    this.filename = filename;
  }

  public int getFromPage()
  {
    return fromPage != 0 ? fromPage
      : pageRanges != null ? pageRanges[0][0]
      : toPage != 0 ? toPage : minPage;
  }

  public void setFromPage(int fromPage)
  {
    if (fromPage < minPage || (fromPage > toPage && toPage != 0)
        || fromPage > maxPage)
      throw new IllegalArgumentException();
    if (pageRanges == null)
      this.fromPage = fromPage;
  }

  public int getMaxPage()
  {
    return maxPage;
  }

  public void setMaxPage(int maxPage)
  {
    if (maxPage < minPage)
      throw new IllegalArgumentException();
    this.maxPage = maxPage;
    if (maxPage < fromPage)
      fromPage = maxPage;
    if (maxPage < toPage)
      toPage = maxPage;
    if (pageRanges != null)
      {
        int i = pageRanges.length - 1;
        while (i >= 0 && maxPage < pageRanges[i][1])
          i--;
        if (maxPage >= pageRanges[++i][0])
          pageRanges[i++][1] = maxPage;
        if (i == 0)
          pageRanges = null;
        else if (i < pageRanges.length)
          {
            int[][] tmp = new int[i][];
            System.arraycopy(pageRanges, 0, tmp, 0, i);
            pageRanges = tmp;
          }
      }
  }

  public int getMinPage()
  {
    return minPage;
  }

  public void setMinPage(int minPage)
  {
    if (minPage <= 0 || minPage > maxPage)
      throw new IllegalArgumentException();
    this.minPage = minPage;
    if (minPage > toPage)
      toPage = minPage;
    if (minPage > fromPage)
      fromPage = minPage;
    if (pageRanges != null)
      {
        int size = pageRanges.length;
        int i = 0;
        while (i < size && minPage > pageRanges[i][0])
          i++;
        if (minPage <= pageRanges[i - 1][1])
          pageRanges[--i][0] = minPage;
        if (i == size)
          pageRanges = null;
        else if (i > 0)
          {
            int[][] tmp = new int[size - i][];
            System.arraycopy(pageRanges, i, tmp, 0, size - i);
            pageRanges = tmp;
          }
      }
  }

  public MultipleDocumentHandlingType getMultipleDocumentHandling()
  {
    return multiple;
  }

  public void setMultipleDocumentHandling
    (MultipleDocumentHandlingType multiple)
  {
    if (multiple == null)
      throw new IllegalArgumentException();
    this.multiple = multiple;
  }

  public void setMultipleDocumentHandlingToDefault()
  {
    multiple
      = MultipleDocumentHandlingType.SEPARATE_DOCUMENTS_UNCOLLATED_COPIES;
  }

  public int[][] getPageRanges()
  {
    if (pageRanges == null)
      return new int[][] { { getFromPage(), getToPage() } };
    // Perform a deep clone, so user code cannot affect original arrays.
    int i = pageRanges.length;
    int[][] result = new int[i][];
    while (--i >= 0)
      result[i] = (int[]) pageRanges[i].clone();
    return result;
  }

  public void setPageRanges(int[][] pageRanges)
  {
    int size = pageRanges == null ? 0 : pageRanges.length;
    if (size == 0)
      throw new IllegalArgumentException();
    while (--size >= 0)
      {
        int[] range = pageRanges[size];
        if (range == null || range.length != 2
            || range[0] < minPage || range[1] < range[0] || range[1] > maxPage
            || (size != 0 && range[0] <= pageRanges[size - 1][1]))
          throw new IllegalArgumentException();
      }
    size = pageRanges.length;
    if (fromPage > 0 && pageRanges[0][0] > fromPage)
      fromPage = pageRanges[0][0];
    if (toPage > 0 && pageRanges[size - 1][1] < toPage)
      toPage = pageRanges[size - 1][1];
    this.pageRanges = new int[size][];
    while (--size >= 0)
      this.pageRanges[size] = (int[]) pageRanges[size].clone();
  }

  public String getPrinter()
  {
    return printer;
  }

  public void setPrinter(String printer)
  {
    this.printer = printer;
  }

  public SidesType getSides()
  {
    return sides;
  }

  public void setSides(SidesType sides)
  {
    if (sides == null)
      throw new IllegalArgumentException();
    this.sides = sides;
  }

  public void setSidesToDefault()
  {
    sides = SidesType.ONE_SIDED;
  }

  public int getToPage()
  {
    return toPage != 0 ? toPage
      : pageRanges != null ? pageRanges[pageRanges.length - 1][1]
      : fromPage != 0 ? fromPage : maxPage;
  }

  public void setToPage(int toPage)
  {
    if (toPage < minPage || (fromPage > toPage && fromPage != 0)
        || toPage > maxPage)
      throw new IllegalArgumentException();
    if (pageRanges == null)
      this.toPage = toPage;
  }

  public boolean equals(Object o)
  {
    if (this == o)
      return true;
    if (! (o instanceof JobAttributes))
      return false;
    JobAttributes ja = (JobAttributes) o;
    if (copies != ja.copies || selection != ja.selection
        || destination != ja.destination || dialog != ja.dialog
        || ! filename.equals(ja.filename) || maxPage != ja.maxPage
        || minPage != ja.minPage || multiple != ja.multiple
        || fromPage != ja.fromPage || toPage != ja.toPage
        || ! printer.equals(ja.printer) || sides != ja.sides
        || (pageRanges == null) != (ja.pageRanges == null))
      return false;
    if (pageRanges != ja.pageRanges)
      for (int i = pageRanges.length; --i >= 0; )
        if (pageRanges[i][0] != ja.pageRanges[i][0]
            || pageRanges[i][1] != ja.pageRanges[i][1])
          return false;
    return true;
  }

  public int hashCode()
  {
    int hash = (selection.value << 6) ^ (destination.value << 5)
      ^ (dialog.value << 3) ^ (multiple.value << 2) ^ sides.value
      ^ (filename == null ? 0 : filename.hashCode())
      ^ (printer == null ? 0 : printer.hashCode());
    // The effect of the above fields on the hashcode match the JDK. However,
    // I am unable to reverse engineer the effect of the fields listed below,
    // so I am using my own implementation. Note that this still satisfies
    // the general contract of hashcode, it just doesn't match the JDK.
    hash ^= (copies << 27) ^ (maxPage << 22) ^ (minPage << 17);
    if (pageRanges == null)
      hash ^= (getFromPage() << 13) ^ (getToPage() << 8);
    else
      for (int i = pageRanges.length; --i >= 0; )
        hash ^= (pageRanges[i][0] << 13) ^ (pageRanges[i][1] << 8);
    return hash;
  }

  public String toString()
  {
    StringBuffer s = new StringBuffer("copies=").append(copies)
      .append(",defaultSelection=").append(selection).append(",destination=")
      .append(destination).append(",dialog=").append(dialog)
      .append(",fileName=").append(filename).append(",fromPage=")
      .append(getFromPage()).append(",maxPage=").append(maxPage)
      .append(",minPage=").append(minPage)
      .append(",multiple-document-handling=").append(multiple)
      .append(",page-ranges=[");
    if (pageRanges == null)
      s.append(minPage).append(':').append(minPage).append(']');
    else
      for (int i = 0; i < pageRanges.length; i++)
        s.append(pageRanges[i][0]).append(':').append(pageRanges[i][1])
          .append(',');
    s.setLength(s.length() - 1);
    return s.append("],printer=").append(printer).append(",sides=")
      .append(sides).append(",toPage=").append(getToPage()).toString();
  }
} // class JobAttributes