libjava/javax/print/PrintService.java

   1 /* PrintService.java --
   2    Copyright (C) 2004 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., 59 Temple Place, Suite 330, Boston, MA
  19 02111-1307 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 javax.print;
  40
  41 import javax.print.attribute.Attribute;
  42 import javax.print.attribute.AttributeSet;
  43 import javax.print.attribute.PrintServiceAttribute;
  44 import javax.print.attribute.PrintServiceAttributeSet;
  45 import javax.print.event.PrintServiceAttributeListener;
  46
  47 /**
  48  * @author Michael Koch (konqueror@gmx.de)
  49  */
  50 public interface PrintService
  51 {
  52   /**
  53    * Returns a new print job capable to handle all supported document flavors.
  54    *
  55    * @return the new print job
  56    */
  57   DocPrintJob createPrintJob();
  58
  59   /**
  60    * Determines if two services refer to the same underlying service.
  61    *
  62    * @param obj the service to check against
  63    *
  64    * @return <code>true</code> if both services refer to the sam underlying
  65    * service, <code>false</code> otherwise
  66    */
  67   boolean equals(Object obj);
  68
  69   /**
  70    * Returns the value of a single specified attribute.
  71    *
  72    * @param category the category of a <code>PrintServiceAttribute</code>
  73    *
  74    * @return the value of the attribute
  75    *
  76    * @throws NullPointerException if category is null
  77    * @throws IllegalArgumentException if category is not a class that
  78    * implements <code>PrintServiceAttribute</code>
  79    */
  80   PrintServiceAttribute getAttribute(Class category);
  81
  82   /**
  83    * Returns all attributes of this printer service
  84    *
  85    * @return all attributes of this print service
  86    */
  87   PrintServiceAttributeSet getAttributes();
  88
  89   /**
  90    * Returns the service's default value for a given attribute.
  91    *
  92    * @param category the category of the attribute
  93    *
  94    * @return the default value
  95    *
  96    * @throws NullPointerException if <code>category</code> is null
  97    * @throws IllegalArgumentException if <code>category</code> is a class
  98    * not implementing <code>Attribute</code>
  99    */
 100   Object getDefaultAttributeValue(Class category);
 101
 102   /**
 103    * Returns the name of this print service.
 104    *
 105    * @return the name
 106    */
 107   String getName();
 108
 109   /**
 110    * Returns a factory for UI components.
 111    *
 112    * @return the factory
 113    */
 114   ServiceUIFactory getServiceUIFactory();
 115
 116   /**
 117    * Returns all supported attribute categories.
 118    *
 119    * @return an array of all supported attribute categories
 120    */
 121   Class[] getSupportedAttributeCategories();
 122
 123   /**
 124    * Returns all supported attribute values a client can use when setting up
 125    * a print job with this service.
 126    *
 127    * @param category the attribute category to test
 128    * @param flavor the document flavor to use, or null
 129    * @param attributes set of printing attributes for a supposed job, or null
 130    *
 131    * @return object indicating supported values for <code>category</code>,
 132    * or null if this print service doesnt support specifying doc-level or
 133    * job-level attribute in a print request.
 134    *
 135    * @throws NullPointerException if <code>category</code> is null
 136    * @throws IllegalArgumentException if <code>category</code> is a class not
 137    * implementing <code>Attribute</code>, or if <code>flavor</code> is not
 138    * supported
 139    */
 140   Object getSupportedAttributeValues(Class category, DocFlavor flavor, AttributeSet attributes);
 141
 142   /**
 143    * Returns an array of all supproted document flavors.
 144    *
 145    * @return the supported document flavors
 146    */
 147   DocFlavor[] getSupportedDocFlavors();
 148
 149   /**
 150    * Returns all attributes that are unsupported for a print request in the
 151    * context of a particular document flavor.
 152    *
 153    * @param flavor document flavor to test, or null
 154    * @param attributes set of printing attributes for a supposed job
 155    *
 156    * @return null if this <code>PrintService</code> supports the print request
 157    * specification, else the unsupported attributes
 158    *
 159    * @throws IllegalArgumentException if <code>flavor</code> is unsupported
 160    */
 161   AttributeSet getUnsupportedAttributes(DocFlavor flavor, AttributeSet attributes);
 162
 163   /**
 164    * Returns a hashcode for this printer service.
 165    *
 166    * @return the hashcode
 167    */
 168   int hashCode();
 169
 170   /**
 171    * Determines a given attribute category is supported or not.
 172    *
 173    * @param category the category to check
 174    *
 175    * @return <code>true</code> if <code>category</code> is supported,
 176    * <code>false</code> otherwise
 177    *
 178    * @throws NullPointerException if <code>category</code> is null
 179    * @throws IllegalArgumentException if <code>category</code> is a class not
 180    * implementing <code>Attribute</code>.
 181    */
 182   boolean isAttributeCategorySupported(Class category);
 183
 184   /**
 185    * Determines a given attribute value is supported when creating a print job
 186    * for this print service.
 187    *
 188    * @param attrval the attribute value to check
 189    * @param flavor the document flavor to use, or null
 190    * @param attributes set of printing attributes to use, or null
 191    *
 192    * @return <code>true</code> if the attribute value is supported,
 193    * <code>false</code> otherwise
 194    *
 195    * @throws NullPointerException if <code>attrval</code> is null
 196    * @throws IllegalArgumentException if <code>flavor</code> is not supported
 197    * by this print service
 198    */
 199   boolean isAttributeValueSupported(Attribute attrval, DocFlavor flavor, AttributeSet attributes);
 200
 201   /**
 202    * Determines a given document flavor is supported or not.
 203    *
 204    * @param flavor the document flavor to check
 205    *
 206    * @return <code>true</code> if <code>flavor</code> is supported,
 207    * <code>false</code> otherwise
 208    *
 209    * @throws NullPointerException if <code>flavor</code> is null
 210    */
 211   boolean isDocFlavorSupported(DocFlavor flavor);
 212
 213   /**
 214    * Registers a print service attribute listener to this print service.
 215    *
 216    * @param listener the listener to add
 217    */
 218   void addPrintServiceAttributeListener(PrintServiceAttributeListener listener);
 219
 220   /**
 221    * De-registers a print service attribute listener from this print service.
 222    *
 223    * @param listener the listener to remove
 224    */
 225   void removePrintServiceAttributeListener(PrintServiceAttributeListener listener);
 226 }