noprinterjob.java

来自「linux下建立JAVA虚拟机的源码KAFFE」· Java 代码 · 共 125 行

/* NoPrinterJob.java -- Fake PrinterJob that just signals no print service.
   Copyright (C) 2006  Free Software Foundation, Inc.

This file is part of GNU Classpath.

GNU Classpath is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.

GNU Classpath is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
General Public License for more details.

You should have received a copy of the GNU General Public License
along with GNU Classpath; see the file COPYING.  If not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301 USA.

Linking this library statically or dynamically with other modules is
making a combined work based on this library.  Thus, the terms and
conditions of the GNU General Public License cover the whole
combination.

As a special exception, the copyright holders of this library give you
permission to link this library with independent modules to produce an
executable, regardless of the license terms of these independent
modules, and to copy and distribute the resulting executable under
terms of your choice, provided that you also meet, for each linked
independent module, the terms and conditions of the license of that
module.  An independent module is a module which is not derived from
or based on this library.  If you modify this library, you may extend
this exception to your version of the library, but you are not
obligated to do so.  If you do not wish to do so, delete this
exception statement from your version. */


package java.awt.print;

/**
 * Fake PrinterJob that just signals no print service.  This is only
 * here so applications can call
 * <code>PrintJob.getPrinterJob().getPrinterJob()</code> and check
 * that it returns <code>null</code> which indicates no actual
 * printing support is available.
 */
class NoPrinterJob extends PrinterJob
{
  public int getCopies()
  {
    return 0;
  }

  public void setCopies(int copies)
  {
    // Do nothing.
  }

  public String getJobName()
  {
    return "NoPrinterJob";
  }

  public void setJobName(String job_name)
  {
    // Do nothing.
  }

  public String getUserName()
  {
    return "NoUser";
  }

  public void cancel()
  {
    // Do nothing.
  }

  public boolean isCancelled()
  {
    return true;
  }

  public PageFormat defaultPage(PageFormat page_format)
  {
    return page_format;
  }

  public PageFormat pageDialog(PageFormat page_format)
  {
    return page_format;
  }

  public void print() throws PrinterException
  {
    throw new PrinterException("No printer");
  }

  public boolean printDialog()
  {
    return false;
  }

  public void setPageable(Pageable pageable)
  {
    // Do nothing.
  }

  public void setPrintable(Printable printable)
  {
    // Do nothing.
  }

  public void setPrintable(Printable printable, PageFormat page_format)
  {
    // Do nothing.
  }

  public PageFormat validatePage(PageFormat page_format)
  {
    return page_format;
  }
}