Source for gnu.javax.print.CupsPrintService

   1: /* CupsPrintService.java -- Cups specific implementation subclass
   2:    Copyright (C) 2006 Free Software Foundation, Inc.
   3: 
   4: This file is part of GNU Classpath.
   5: 
   6: GNU Classpath is free software; you can redistribute it and/or modify
   7: it under the terms of the GNU General Public License as published by
   8: the Free Software Foundation; either version 2, or (at your option)
   9: any later version.
  10: 
  11: GNU Classpath is distributed in the hope that it will be useful, but
  12: WITHOUT ANY WARRANTY; without even the implied warranty of
  13: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14: General Public License for more details.
  15: 
  16: You should have received a copy of the GNU General Public License
  17: along with GNU Classpath; see the file COPYING.  If not, write to the
  18: Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  19: 02110-1301 USA.
  20: 
  21: Linking this library statically or dynamically with other modules is
  22: making a combined work based on this library.  Thus, the terms and
  23: conditions of the GNU General Public License cover the whole
  24: combination.
  25: 
  26: As a special exception, the copyright holders of this library give you
  27: permission to link this library with independent modules to produce an
  28: executable, regardless of the license terms of these independent
  29: modules, and to copy and distribute the resulting executable under
  30: terms of your choice, provided that you also meet, for each linked
  31: independent module, the terms and conditions of the license of that
  32: module.  An independent module is a module which is not derived from
  33: or based on this library.  If you modify this library, you may extend
  34: this exception to your version of the library, but you are not
  35: obligated to do so.  If you do not wish to do so, delete this
  36: exception statement from your version. */
  37: 
  38: 
  39: package gnu.javax.print;
  40: 
  41: import gnu.javax.print.ipp.IppException;
  42: import gnu.javax.print.ipp.IppMultiDocPrintService;
  43: import gnu.javax.print.ipp.IppResponse;
  44: 
  45: import java.net.URI;
  46: 
  47: import javax.print.DocFlavor;
  48: import javax.print.attribute.AttributeSet;
  49: 
  50: /**
  51:  * Implementation of the PrintService/MultiDocPrintService
  52:  * interface for Cups printers (supports Cups 1.1 and up)
  53:  *
  54:  * @author Wolfgang Baer (WBaer@gmx.de)
  55:  */
  56: public final class CupsPrintService extends IppMultiDocPrintService
  57: {
  58: 
  59:   /**
  60:    * Creates a <code>CupsPrintService</code> object.
  61:    *
  62:    * @param uri the URI of the IPP printer.
  63:    * @param username the user of this print service.
  64:    * @param password the password of the user.
  65:    *
  66:    * @throws IppException if an error during connection occurs.
  67:    */
  68:   public CupsPrintService(URI uri, String username, String password)
  69:       throws IppException
  70:   {
  71:     super(uri, username, password);
  72:   }
  73: 
  74:   /**
  75:    * Overridden for CUPS specific handling of the media attribute.
  76:    */
  77:   protected Object handleSupportedAttributeValuesResponse(IppResponse response,
  78:     Class category)
  79:   {
  80:     //  TODO Implement different behaviour of cups here - actually the Media
  81:     // printing attribute stuff. For now just use IPP reference implementation.
  82:     return super.handleSupportedAttributeValuesResponse(response, category);
  83:   }
  84: 
  85:   /**
  86:    * Overridden for CUPS specific handling of the media attribute.
  87:    */
  88:   public Object getDefaultAttributeValue(Class category)
  89:   {
  90:     // TODO Implement media attribute behaviour for cups here
  91:     //if (category.equals(Media.class)
  92: 
  93:     return super.getDefaultAttributeValue(category);
  94:   }
  95: 
  96:   /**
  97:    * Overridden as CUPS does not implement Validate-Job correctly.
  98:    */
  99:   public AttributeSet getUnsupportedAttributes(DocFlavor flavor, AttributeSet attributes)
 100:   {
 101:     // TODO Implement a heuristic unsupported attribute identification.
 102:     return super.getUnsupportedAttributes(flavor, attributes);
 103:   }
 104: }