Source for java.awt.print.PrinterJob

   1: /* PrinterJob.java -- This job is the printer control class
   2:    Copyright (C) 1999, 2004, 2005, 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 java.awt.print;
  40: 
  41: import gnu.java.awt.print.JavaPrinterJob;
  42: 
  43: import java.awt.HeadlessException;
  44: import javax.print.PrintService;
  45: import javax.print.PrintServiceLookup;
  46: import javax.print.DocFlavor;
  47: import javax.print.StreamPrintServiceFactory;
  48: import javax.print.attribute.PrintRequestAttributeSet;
  49: 
  50: /**
  51:  * This class controls printing.
  52:  *
  53:  * @author Aaron M. Renn (arenn@urbanophile.com)
  54:  */
  55: public abstract class PrinterJob
  56: {
  57:   // The print service associated with this job
  58:   private PrintService printer = null;
  59: 
  60:   /**
  61:    * Creates a new print job.
  62:    *
  63:    * @return A <code>PrinterJob</code> object for the newly created print job.
  64:    */
  65:   public static PrinterJob getPrinterJob()
  66:   {
  67:     return new JavaPrinterJob();
  68:   }
  69: 
  70:   /**
  71:    * Initializes a new instance of <code>PrinterJob</code>. 
  72:    */
  73:   public PrinterJob()
  74:   {
  75:   }
  76: 
  77:   /**
  78:    * Returns the number of copies to be printed.
  79:    *
  80:    * @return The number of copies to be printed.
  81:    */
  82:   public abstract int getCopies();
  83: 
  84:   /**
  85:    * Sets the number of copies to be printed.
  86:    *
  87:    * @param copies The number of copies to be printed.
  88:    */
  89:   public abstract void setCopies(int copies);
  90: 
  91:   /**
  92:    * Returns the name of the print job.
  93:    *
  94:    * @return The name of the print job.
  95:    */
  96:   public abstract String getJobName();
  97: 
  98:   /**
  99:    * Sets the name of the print job.
 100:    *
 101:    * @param job_name The name of the print job.
 102:    */
 103:   public abstract void setJobName(String job_name);
 104: 
 105:   /**
 106:    * Returns the printing user name.
 107:    *
 108:    * @return The printing username.
 109:    */
 110:   public abstract String getUserName();
 111: 
 112:   /**
 113:    * Cancels an in progress print job.
 114:    */
 115:   public abstract void cancel();
 116: 
 117:   /**
 118:    * Tests whether or not this job has been cancelled.
 119:    *
 120:    * @return <code>true</code> if this job has been cancelled, <code>false</code>
 121:    * otherwise.
 122:    */
 123:   public abstract boolean isCancelled();
 124: 
 125:   /**
 126:    * Returns an instance of the default page which will have the default
 127:    * paper and orientation.
 128:    *
 129:    * @return A default instance of <code>PageFormat</code>.
 130:    */
 131:   public PageFormat defaultPage()
 132:   {
 133:     return new PageFormat();
 134:   }
 135: 
 136:   /**
 137:    * Clones the specified <code>PageFormat</code> object then alters the
 138:    * clone so that it represents the default page format.
 139:    *
 140:    * @param page_format The <code>PageFormat</code> to clone.
 141:    *
 142:    * @return A new default page format.
 143:    */
 144:   public abstract PageFormat defaultPage(PageFormat page_format);
 145: 
 146:   /**
 147:    * Displays a dialog box to the user which allows the page format
 148:    * attributes to be modified.
 149:    *
 150:    * @param page_format The <code>PageFormat</code> object to modify.
 151:    *
 152:    * @return The modified <code>PageFormat</code>.
 153:    */
 154:   public abstract PageFormat pageDialog(PageFormat page_format)
 155:     throws HeadlessException;
 156: 
 157:   /**
 158:    * @since 1.4
 159:    */
 160:   public PageFormat pageDialog(PrintRequestAttributeSet attributes)
 161:     throws HeadlessException
 162:   {
 163:     // FIXME: Implement this for real.
 164:     return pageDialog((PageFormat) null);
 165:   }
 166:   
 167:   /**
 168:    * Prints the pages.
 169:    */
 170:   public abstract void print () throws PrinterException;
 171: 
 172:   /**
 173:    * Prints the page with given attributes.
 174:    */
 175:   public void print (PrintRequestAttributeSet attributes)
 176:     throws PrinterException
 177:   {
 178:     print ();
 179:   }
 180: 
 181:   /**
 182:    * Displays a dialog box to the user which allows the print job
 183:    * attributes to be modified.
 184:    *
 185:    * @return <code>false</code> if the user cancels the dialog box,
 186:    * <code>true</code> otherwise.
 187:    */
 188:   public abstract boolean printDialog()
 189:     throws HeadlessException;
 190: 
 191:   /**
 192:    * Displays a dialog box to the user which allows the print job
 193:    * attributes to be modified.
 194:    *
 195:    * @return <code>false</code> if the user cancels the dialog box,
 196:    * <code>true</code> otherwise.
 197:    */
 198:   public boolean printDialog(PrintRequestAttributeSet attributes)
 199:     throws HeadlessException
 200:   {
 201:     // FIXME: Implement this for real.
 202:     return printDialog();
 203:   }
 204: 
 205:   /**
 206:    * This sets the pages that are to be printed.
 207:    *
 208:    * @param pageable The pages to be printed, which may not be <code>null</code>.
 209:    */
 210:   public abstract void setPageable(Pageable pageable);
 211: 
 212:   /**
 213:    * Sets this specified <code>Printable</code> as the one to use for
 214:    * rendering the pages on the print device.
 215:    *
 216:    * @param printable The <code>Printable</code> for the print job.
 217:    */
 218:   public abstract void setPrintable(Printable printable);
 219: 
 220:   /**
 221:    * Sets the <code>Printable</code> and the page format for the pages
 222:    * to be printed.
 223:    *
 224:    * @param printable The <code>Printable</code> for the print job.
 225:    * @param page_format The <code>PageFormat</code> for the print job.
 226:    */
 227:   public abstract void setPrintable(Printable printable, PageFormat page_format);
 228: 
 229:   /**
 230:    * Makes any alterations to the specified <code>PageFormat</code>
 231:    * necessary to make it work with the current printer.  The alterations
 232:    * are made to a clone of the input object, which is then returned.
 233:    *
 234:    * @param page_format The <code>PageFormat</code> to validate.
 235:    *
 236:    * @return The validated <code>PageFormat</code>.
 237:    */
 238:   public abstract PageFormat validatePage(PageFormat page_format);
 239: 
 240:   /**
 241:    * Find and return 2D image print services.
 242:    * 
 243:    * This is the same as calling PrintServiceLookup.lookupPrintServices()
 244:    * with Pageable service-specified DocFlavor.
 245:    * @return Array of PrintService objects, could be empty.
 246:    * @since 1.4
 247:    */
 248:   public static PrintService[] lookupPrintServices()
 249:   {
 250:     return PrintServiceLookup.lookupPrintServices
 251:       (
 252:        new DocFlavor("application/x-java-jvm-local-objectref",
 253:              "java.awt.print.Pageable"),
 254:        null);
 255:   }
 256: 
 257:   /**
 258:    * Find and return 2D image stream print services.
 259:    * 
 260:    * This is the same as calling
 261:    * StreamPrintServiceFactory.lookupStreamPrintServices()
 262:    * with Pageable service-specified DocFlavor.
 263:    * @param mimeType The output format mime type, or null for any type.
 264:    * @return Array of stream print services, could be empty.
 265:    * @since 1.4
 266:    */
 267:   public static StreamPrintServiceFactory[]
 268:     lookupStreamPrintServices(String mimeType)
 269:   {
 270:     return StreamPrintServiceFactory.lookupStreamPrintServiceFactories(
 271:       DocFlavor.SERVICE_FORMATTED.PAGEABLE, mimeType);
 272:   }
 273: 
 274:   /**
 275:    * Return the printer for this job.  If print services aren't supported by
 276:    * the subclass, returns null.
 277:    * 
 278:    * @return The associated PrintService.
 279:    * @since 1.4
 280:    */
 281:   public PrintService getPrintService()
 282:   {
 283:     return printer;
 284:   }
 285: 
 286:   /**
 287:    * Change the printer for this print job to service.  Subclasses that
 288:    * support setting the print service override this method.  Throws
 289:    * PrinterException when the class doesn't support setting the printer,
 290:    * the service doesn't support Pageable or Printable interfaces for 2D
 291:    * print output.
 292:    * @param service The new printer to use.
 293:    * @throws PrinterException if service is not valid.
 294:    */
 295:   public void setPrintService(PrintService service)
 296:     throws PrinterException
 297:   {
 298:     printer = service;
 299:   }
 300: }