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| 1 | /* | ||
| 2 | * Copyright (c) 2000, 2005, Oracle and/or its affiliates. All rights reserved. | ||
| 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | ||
| 4 | * | ||
| 5 | * This code is free software; you can redistribute it and/or modify it | ||
| 6 | * under the terms of the GNU General Public License version 2 only, as | ||
| 7 | * published by the Free Software Foundation. Oracle designates this | ||
| 8 | * particular file as subject to the "Classpath" exception as provided | ||
| 9 | * by Oracle in the LICENSE file that accompanied this code. | ||
| 10 | * | ||
| 11 | * This code is distributed in the hope that it will be useful, but WITHOUT | ||
| 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
| 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | ||
| 14 | * version 2 for more details (a copy is included in the LICENSE file that | ||
| 15 | * accompanied this code). | ||
| 16 | * | ||
| 17 | * You should have received a copy of the GNU General Public License version | ||
| 18 | * 2 along with this work; if not, write to the Free Software Foundation, | ||
| 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | ||
| 20 | * | ||
| 21 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | ||
| 22 | * or visit www.oracle.com if you need additional information or have any | ||
| 23 | * questions. | ||
| 24 | */ | ||
| 25 | |||
| 26 | package sun.print; | ||
| 27 | |||
| 28 | import java.io.OutputStream; | ||
| 29 | import java.util.Iterator; | ||
| 30 | import java.util.Locale; | ||
| 31 | |||
| 32 | import javax.print.DocFlavor; | ||
| 33 | import javax.print.DocPrintJob; | ||
| 34 | import javax.print.StreamPrintService; | ||
| 35 | import javax.print.StreamPrintServiceFactory; | ||
| 36 | import javax.print.ServiceUIFactory; | ||
| 37 | import javax.print.attribute.Attribute; | ||
| 38 | import javax.print.attribute.AttributeSet; | ||
| 39 | import javax.print.attribute.AttributeSetUtilities; | ||
| 40 | import javax.print.attribute.HashAttributeSet; | ||
| 41 | import javax.print.attribute.HashPrintServiceAttributeSet; | ||
| 42 | import javax.print.attribute.PrintServiceAttribute; | ||
| 43 | import javax.print.attribute.PrintServiceAttributeSet; | ||
| 44 | import javax.print.attribute.Size2DSyntax; | ||
| 45 | import javax.print.event.PrintServiceAttributeListener; | ||
| 46 | import javax.print.attribute.standard.JobName; | ||
| 47 | import javax.print.attribute.standard.RequestingUserName; | ||
| 48 | import javax.print.attribute.standard.Chromaticity; | ||
| 49 | import javax.print.attribute.standard.ColorSupported; | ||
| 50 | import javax.print.attribute.standard.Copies; | ||
| 51 | import javax.print.attribute.standard.CopiesSupported; | ||
| 52 | import javax.print.attribute.standard.Fidelity; | ||
| 53 | import javax.print.attribute.standard.Media; | ||
| 54 | import javax.print.attribute.standard.MediaPrintableArea; | ||
| 55 | import javax.print.attribute.standard.MediaSize; | ||
| 56 | import javax.print.attribute.standard.MediaSizeName; | ||
| 57 | import javax.print.attribute.standard.OrientationRequested; | ||
| 58 | import javax.print.attribute.standard.PageRanges; | ||
| 59 | import javax.print.attribute.standard.SheetCollate; | ||
| 60 | import javax.print.attribute.standard.Sides; | ||
| 61 | |||
| 62 | public class PSStreamPrintService extends StreamPrintService | ||
| 63 | implements SunPrinterJobService { | ||
| 64 | |||
| 65 | private static final Class[] suppAttrCats = { | ||
| 66 | Chromaticity.class, | ||
| 67 | Copies.class, | ||
| 68 | Fidelity.class, | ||
| 69 | JobName.class, | ||
| 70 | Media.class, | ||
| 71 | MediaPrintableArea.class, | ||
| 72 | OrientationRequested.class, | ||
| 73 | PageRanges.class, | ||
| 74 | RequestingUserName.class, | ||
| 75 | SheetCollate.class, | ||
| 76 | Sides.class, | ||
| 77 | }; | ||
| 78 | |||
| 79 | private static int MAXCOPIES = 1000; | ||
| 80 | |||
| 81 | private static final MediaSizeName mediaSizes[] = { | ||
| 82 | MediaSizeName.NA_LETTER, | ||
| 83 | MediaSizeName.TABLOID, | ||
| 84 | MediaSizeName.LEDGER, | ||
| 85 | MediaSizeName.NA_LEGAL, | ||
| 86 | MediaSizeName.EXECUTIVE, | ||
| 87 | MediaSizeName.ISO_A3, | ||
| 88 | MediaSizeName.ISO_A4, | ||
| 89 | MediaSizeName.ISO_A5, | ||
| 90 | MediaSizeName.ISO_B4, | ||
| 91 | MediaSizeName.ISO_B5, | ||
| 92 | }; | ||
| 93 | |||
| 94 | public PSStreamPrintService(OutputStream out) { | ||
| 95 | super(out); | ||
| 96 | } | ||
| 97 | |||
| 98 | public String getOutputFormat() { | ||
| 99 | return PSStreamPrinterFactory.psMimeType; | ||
| 100 | } | ||
| 101 | |||
| 102 | |||
| 103 | public DocFlavor[] getSupportedDocFlavors() { | ||
| 104 | return PSStreamPrinterFactory.getFlavors(); | ||
| 105 | } | ||
| 106 | |||
| 107 | public DocPrintJob createPrintJob() { | ||
| 108 | return new PSStreamPrintJob(this); | ||
| 109 | } | ||
| 110 | |||
| 111 | public boolean usesClass(Class c) { | ||
| 112 | return (c == sun.print.PSPrinterJob.class); | ||
| 113 | } | ||
| 114 | |||
| 115 | public String getName() { | ||
| 116 | return "Postscript output"; | ||
| 117 | } | ||
| 118 | |||
| 119 | public void addPrintServiceAttributeListener( | ||
| 120 | PrintServiceAttributeListener listener) { | ||
| 121 | return; | ||
| 122 | } | ||
| 123 | |||
| 124 | public void removePrintServiceAttributeListener( | ||
| 125 | PrintServiceAttributeListener listener) { | ||
| 126 | return; | ||
| 127 | } | ||
| 128 | |||
| 129 | |||
| 130 | public <T extends PrintServiceAttribute> | ||
| 131 | T getAttribute(Class<T> category) | ||
| 132 | { | ||
| 133 | if (category == null) { | ||
| 134 | throw new NullPointerException("category"); | ||
| 135 | } | ||
| 136 | if (!(PrintServiceAttribute.class.isAssignableFrom(category))) { | ||
| 137 | throw new IllegalArgumentException("Not a PrintServiceAttribute"); | ||
| 138 | } | ||
| 139 | if (category == ColorSupported.class) { | ||
| 140 | return (T)ColorSupported.SUPPORTED; | ||
| 141 | } else { | ||
| 142 | return null; | ||
| 143 | } | ||
| 144 | } | ||
| 145 | public PrintServiceAttributeSet getAttributes() { | ||
| 146 | PrintServiceAttributeSet attrs = new HashPrintServiceAttributeSet(); | ||
| 147 | attrs.add(ColorSupported.SUPPORTED); | ||
| 148 | |||
| 149 | return AttributeSetUtilities.unmodifiableView(attrs); | ||
| 150 | } | ||
| 151 | |||
| 152 | public boolean isDocFlavorSupported(DocFlavor flavor) { | ||
| 153 | DocFlavor [] flavors = getSupportedDocFlavors(); | ||
| 154 | for (int f=0; f<flavors.length; f++) { | ||
| 155 | if (flavor.equals(flavors[f])) { | ||
| 156 | return true; | ||
| 157 | } | ||
| 158 | } | ||
| 159 | return false; | ||
| 160 | } | ||
| 161 | |||
| 162 | |||
| 163 | public Class<?>[] getSupportedAttributeCategories() { | ||
| 164 | Class []cats = new Class[suppAttrCats.length]; | ||
| 165 | System.arraycopy(suppAttrCats, 0, cats, 0, cats.length); | ||
| 166 | return cats; | ||
| 167 | } | ||
| 168 | |||
| 169 | public boolean | ||
| 170 | isAttributeCategorySupported(Class<? extends Attribute> category) | ||
| 171 | { | ||
| 172 | if (category == null) { | ||
| 173 | throw new NullPointerException("null category"); | ||
| 174 | } | ||
| 175 | if (!(Attribute.class.isAssignableFrom(category))) { | ||
| 176 | throw new IllegalArgumentException(category + | ||
| 177 | " is not an Attribute"); | ||
| 178 | } | ||
| 179 | |||
| 180 | for (int i=0;i<suppAttrCats.length;i++) { | ||
| 181 | if (category == suppAttrCats[i]) { | ||
| 182 | return true; | ||
| 183 | } | ||
| 184 | } | ||
| 185 | return false; | ||
| 186 | } | ||
| 187 | |||
| 188 | |||
| 189 | public Object | ||
| 190 | getDefaultAttributeValue(Class<? extends Attribute> category) | ||
| 191 | { | ||
| 192 | if (category == null) { | ||
| 193 | throw new NullPointerException("null category"); | ||
| 194 | } | ||
| 195 | if (!Attribute.class.isAssignableFrom(category)) { | ||
| 196 | throw new IllegalArgumentException(category + | ||
| 197 | " is not an Attribute"); | ||
| 198 | } | ||
| 199 | |||
| 200 | if (!isAttributeCategorySupported(category)) { | ||
| 201 | return null; | ||
| 202 | } | ||
| 203 | |||
| 204 | if (category == Copies.class) { | ||
| 205 | return new Copies(1); | ||
| 206 | } else if (category == Chromaticity.class) { | ||
| 207 | return Chromaticity.COLOR; | ||
| 208 | } else if (category == Fidelity.class) { | ||
| 209 | return Fidelity.FIDELITY_FALSE; | ||
| 210 | } else if (category == Media.class) { | ||
| 211 | String defaultCountry = Locale.getDefault().getCountry(); | ||
| 212 | if (defaultCountry != null && | ||
| 213 | (defaultCountry.equals("") || | ||
| 214 | defaultCountry.equals(Locale.US.getCountry()) || | ||
| 215 | defaultCountry.equals(Locale.CANADA.getCountry()))) { | ||
| 216 | return MediaSizeName.NA_LETTER; | ||
| 217 | } else { | ||
| 218 | return MediaSizeName.ISO_A4; | ||
| 219 | } | ||
| 220 | } else if (category == MediaPrintableArea.class) { | ||
| 221 | String defaultCountry = Locale.getDefault().getCountry(); | ||
| 222 | float iw, ih; | ||
| 223 | float margin = 0.5f; // both these papers > 5" in all dimensions | ||
| 224 | if (defaultCountry != null && | ||
| 225 | (defaultCountry.equals("") || | ||
| 226 | defaultCountry.equals(Locale.US.getCountry()) || | ||
| 227 | defaultCountry.equals(Locale.CANADA.getCountry()))) { | ||
| 228 | iw = MediaSize.NA.LETTER.getX(Size2DSyntax.INCH) - 2*margin; | ||
| 229 | ih = MediaSize.NA.LETTER.getY(Size2DSyntax.INCH) - 2*margin; | ||
| 230 | } else { | ||
| 231 | iw = MediaSize.ISO.A4.getX(Size2DSyntax.INCH) - 2*margin; | ||
| 232 | ih = MediaSize.ISO.A4.getY(Size2DSyntax.INCH) - 2*margin; | ||
| 233 | } | ||
| 234 | return new MediaPrintableArea(margin, margin, iw, ih, | ||
| 235 | MediaPrintableArea.INCH); | ||
| 236 | } else if (category == OrientationRequested.class) { | ||
| 237 | return OrientationRequested.PORTRAIT; | ||
| 238 | } else if (category == PageRanges.class) { | ||
| 239 | return new PageRanges(1, Integer.MAX_VALUE); | ||
| 240 | } else if (category == SheetCollate.class) { | ||
| 241 | return SheetCollate.UNCOLLATED; | ||
| 242 | } else if (category == Sides.class) { | ||
| 243 | return Sides.ONE_SIDED; | ||
| 244 | |||
| 245 | } else | ||
| 246 | return null; | ||
| 247 | } | ||
| 248 | |||
| 249 | |||
| 250 | public Object | ||
| 251 | getSupportedAttributeValues(Class<? extends Attribute> category, | ||
| 252 | DocFlavor flavor, | ||
| 253 | AttributeSet attributes) | ||
| 254 | { | ||
| 255 | |||
| 256 | if (category == null) { | ||
| 257 | throw new NullPointerException("null category"); | ||
| 258 | } | ||
| 259 | if (!Attribute.class.isAssignableFrom(category)) { | ||
| 260 | throw new IllegalArgumentException(category + | ||
| 261 | " does not implement Attribute"); | ||
| 262 | } | ||
| 263 | if (flavor != null && !isDocFlavorSupported(flavor)) { | ||
| 264 | throw new IllegalArgumentException(flavor + | ||
| 265 | " is an unsupported flavor"); | ||
| 266 | } | ||
| 267 | |||
| 268 | if (!isAttributeCategorySupported(category)) { | ||
| 269 | return null; | ||
| 270 | } | ||
| 271 | |||
| 272 | if (category == Chromaticity.class) { | ||
| 273 | Chromaticity[]arr = new Chromaticity[1]; | ||
| 274 | arr[0] = Chromaticity.COLOR; | ||
| 275 | //arr[1] = Chromaticity.MONOCHROME; | ||
| 276 | return (arr); | ||
| 277 | } else if (category == JobName.class) { | ||
| 278 | return new JobName("", null); | ||
| 279 | } else if (category == RequestingUserName.class) { | ||
| 280 | return new RequestingUserName("", null); | ||
| 281 | } else if (category == OrientationRequested.class) { | ||
| 282 | if (flavor == null || | ||
| 283 | flavor.equals(DocFlavor.SERVICE_FORMATTED.PAGEABLE) || | ||
| 284 | flavor.equals(DocFlavor.SERVICE_FORMATTED.PRINTABLE)) { | ||
| 285 | OrientationRequested []arr = new OrientationRequested[3]; | ||
| 286 | arr[0] = OrientationRequested.PORTRAIT; | ||
| 287 | arr[1] = OrientationRequested.LANDSCAPE; | ||
| 288 | arr[2] = OrientationRequested.REVERSE_LANDSCAPE; | ||
| 289 | return arr; | ||
| 290 | } else { | ||
| 291 | return null; | ||
| 292 | } | ||
| 293 | } else if ((category == Copies.class) || | ||
| 294 | (category == CopiesSupported.class)) { | ||
| 295 | return new CopiesSupported(1, MAXCOPIES); | ||
| 296 | } else if (category == Media.class) { | ||
| 297 | Media []arr = new Media[mediaSizes.length]; | ||
| 298 | System.arraycopy(mediaSizes, 0, arr, 0, mediaSizes.length); | ||
| 299 | return arr; | ||
| 300 | } else if (category == Fidelity.class) { | ||
| 301 | Fidelity []arr = new Fidelity[2]; | ||
| 302 | arr[0] = Fidelity.FIDELITY_FALSE; | ||
| 303 | arr[1] = Fidelity.FIDELITY_TRUE; | ||
| 304 | return arr; | ||
| 305 | } else if (category == MediaPrintableArea.class) { | ||
| 306 | if (attributes == null) { | ||
| 307 | return null; | ||
| 308 | } | ||
| 309 | MediaSize mediaSize = (MediaSize)attributes.get(MediaSize.class); | ||
| 310 | if (mediaSize == null) { | ||
| 311 | Media media = (Media)attributes.get(Media.class); | ||
| 312 | if (media != null && media instanceof MediaSizeName) { | ||
| 313 | MediaSizeName msn = (MediaSizeName)media; | ||
| 314 | mediaSize = MediaSize.getMediaSizeForName(msn); | ||
| 315 | } | ||
| 316 | } | ||
| 317 | if (mediaSize == null) { | ||
| 318 | return null; | ||
| 319 | } else { | ||
| 320 | MediaPrintableArea []arr = new MediaPrintableArea[1]; | ||
| 321 | float w = mediaSize.getX(MediaSize.INCH); | ||
| 322 | float h = mediaSize.getY(MediaSize.INCH); | ||
| 323 | /* For dimensions >= 5 inches use 0.5 inch margins. | ||
| 324 | * For smaller dimensions, use 10% margins. | ||
| 325 | */ | ||
| 326 | float xmargin = 0.5f; | ||
| 327 | float ymargin = 0.5f; | ||
| 328 | if (w < 5f) { | ||
| 329 | xmargin = w/10; | ||
| 330 | } | ||
| 331 | if (h < 5f) { | ||
| 332 | ymargin = h/10; | ||
| 333 | } | ||
| 334 | arr[0] = new MediaPrintableArea(xmargin, ymargin, | ||
| 335 | w - 2*xmargin, | ||
| 336 | h - 2*ymargin, | ||
| 337 | MediaSize.INCH); | ||
| 338 | return arr; | ||
| 339 | } | ||
| 340 | } else if (category == PageRanges.class) { | ||
| 341 | if (flavor == null || | ||
| 342 | flavor.equals(DocFlavor.SERVICE_FORMATTED.PAGEABLE) || | ||
| 343 | flavor.equals(DocFlavor.SERVICE_FORMATTED.PRINTABLE)) { | ||
| 344 | PageRanges []arr = new PageRanges[1]; | ||
| 345 | arr[0] = new PageRanges(1, Integer.MAX_VALUE); | ||
| 346 | return arr; | ||
| 347 | } else { | ||
| 348 | return null; | ||
| 349 | } | ||
| 350 | } else if (category == SheetCollate.class) { | ||
| 351 | if (flavor == null || | ||
| 352 | flavor.equals(DocFlavor.SERVICE_FORMATTED.PAGEABLE) || | ||
| 353 | flavor.equals(DocFlavor.SERVICE_FORMATTED.PRINTABLE)) { | ||
| 354 | SheetCollate []arr = new SheetCollate[2]; | ||
| 355 | arr[0] = SheetCollate.UNCOLLATED; | ||
| 356 | arr[1] = SheetCollate.COLLATED; | ||
| 357 | return arr; | ||
| 358 | } else { | ||
| 359 | SheetCollate []arr = new SheetCollate[1]; | ||
| 360 | arr[0] = SheetCollate.UNCOLLATED; | ||
| 361 | return arr; | ||
| 362 | } | ||
| 363 | } else if (category == Sides.class) { | ||
| 364 | if (flavor == null || | ||
| 365 | flavor.equals(DocFlavor.SERVICE_FORMATTED.PAGEABLE) || | ||
| 366 | flavor.equals(DocFlavor.SERVICE_FORMATTED.PRINTABLE)) { | ||
| 367 | Sides []arr = new Sides[3]; | ||
| 368 | arr[0] = Sides.ONE_SIDED; | ||
| 369 | arr[1] = Sides.TWO_SIDED_LONG_EDGE; | ||
| 370 | arr[2] = Sides.TWO_SIDED_SHORT_EDGE; | ||
| 371 | return arr; | ||
| 372 | } else { | ||
| 373 | return null; | ||
| 374 | } | ||
| 375 | } else { | ||
| 376 | return null; | ||
| 377 | } | ||
| 378 | } | ||
| 379 | |||
| 380 | private boolean isSupportedCopies(Copies copies) { | ||
| 381 | int numCopies = copies.getValue(); | ||
| 382 | return (numCopies > 0 && numCopies < MAXCOPIES); | ||
| 383 | } | ||
| 384 | |||
| 385 | private boolean isSupportedMedia(MediaSizeName msn) { | ||
| 386 | for (int i=0; i<mediaSizes.length; i++) { | ||
| 387 | if (msn.equals(mediaSizes[i])) { | ||
| 388 | return true; | ||
| 389 | } | ||
| 390 | } | ||
| 391 | return false; | ||
| 392 | } | ||
| 393 | |||
| 394 | public boolean isAttributeValueSupported(Attribute attr, | ||
| 395 | DocFlavor flavor, | ||
| 396 | AttributeSet attributes) { | ||
| 397 | if (attr == null) { | ||
| 398 | throw new NullPointerException("null attribute"); | ||
| 399 | } | ||
| 400 | if (flavor != null && !isDocFlavorSupported(flavor)) { | ||
| 401 | throw new IllegalArgumentException(flavor + | ||
| 402 | " is an unsupported flavor"); | ||
| 403 | } | ||
| 404 | Class category = attr.getCategory(); | ||
| 405 | if (!isAttributeCategorySupported(category)) { | ||
| 406 | return false; | ||
| 407 | } | ||
| 408 | else if (attr.getCategory() == Chromaticity.class) { | ||
| 409 | return attr == Chromaticity.COLOR; | ||
| 410 | } | ||
| 411 | else if (attr.getCategory() == Copies.class) { | ||
| 412 | return isSupportedCopies((Copies)attr); | ||
| 413 | } else if (attr.getCategory() == Media.class && | ||
| 414 | attr instanceof MediaSizeName) { | ||
| 415 | return isSupportedMedia((MediaSizeName)attr); | ||
| 416 | } else if (attr.getCategory() == OrientationRequested.class) { | ||
| 417 | if (attr == OrientationRequested.REVERSE_PORTRAIT || | ||
| 418 | (flavor != null) && | ||
| 419 | !(flavor.equals(DocFlavor.SERVICE_FORMATTED.PAGEABLE) || | ||
| 420 | flavor.equals(DocFlavor.SERVICE_FORMATTED.PRINTABLE))) { | ||
| 421 | return false; | ||
| 422 | } | ||
| 423 | } else if (attr.getCategory() == PageRanges.class) { | ||
| 424 | if (flavor != null && | ||
| 425 | !(flavor.equals(DocFlavor.SERVICE_FORMATTED.PAGEABLE) || | ||
| 426 | flavor.equals(DocFlavor.SERVICE_FORMATTED.PRINTABLE))) { | ||
| 427 | return false; | ||
| 428 | } | ||
| 429 | } else if (attr.getCategory() == SheetCollate.class) { | ||
| 430 | if (flavor != null && | ||
| 431 | !(flavor.equals(DocFlavor.SERVICE_FORMATTED.PAGEABLE) || | ||
| 432 | flavor.equals(DocFlavor.SERVICE_FORMATTED.PRINTABLE))) { | ||
| 433 | return false; | ||
| 434 | } | ||
| 435 | } else if (attr.getCategory() == Sides.class) { | ||
| 436 | if (flavor != null && | ||
| 437 | !(flavor.equals(DocFlavor.SERVICE_FORMATTED.PAGEABLE) || | ||
| 438 | flavor.equals(DocFlavor.SERVICE_FORMATTED.PRINTABLE))) { | ||
| 439 | return false; | ||
| 440 | } | ||
| 441 | } | ||
| 442 | return true; | ||
| 443 | } | ||
| 444 | |||
| 445 | public AttributeSet getUnsupportedAttributes(DocFlavor flavor, | ||
| 446 | AttributeSet attributes) { | ||
| 447 | |||
| 448 | if (flavor != null && !isDocFlavorSupported(flavor)) { | ||
| 449 | throw new IllegalArgumentException("flavor " + flavor + | ||
| 450 | "is not supported"); | ||
| 451 | } | ||
| 452 | |||
| 453 | if (attributes == null) { | ||
| 454 | return null; | ||
| 455 | } | ||
| 456 | |||
| 457 | Attribute attr; | ||
| 458 | AttributeSet unsupp = new HashAttributeSet(); | ||
| 459 | Attribute[] attrs = attributes.toArray(); | ||
| 460 | for (int i=0; i<attrs.length; i++) { | ||
| 461 | try { | ||
| 462 | attr = attrs[i]; | ||
| 463 | if (!isAttributeCategorySupported(attr.getCategory())) { | ||
| 464 | unsupp.add(attr); | ||
| 465 | } else if (!isAttributeValueSupported(attr, flavor, | ||
| 466 | attributes)) { | ||
| 467 | unsupp.add(attr); | ||
| 468 | } | ||
| 469 | } catch (ClassCastException e) { | ||
| 470 | } | ||
| 471 | } | ||
| 472 | if (unsupp.isEmpty()) { | ||
| 473 | return null; | ||
| 474 | } else { | ||
| 475 | return unsupp; | ||
| 476 | } | ||
| 477 | } | ||
| 478 | |||
| 479 | public ServiceUIFactory getServiceUIFactory() { | ||
| 480 | return null; | ||
| 481 | } | ||
| 482 | |||
| 483 | public String toString() { | ||
| 484 | return "PSStreamPrintService: " + getName(); | ||
| 485 | } | ||
| 486 | |||
| 487 | /* Stream services have an output stream which cannot be shared, | ||
| 488 | * so two services are equal only if they are the same object. | ||
| 489 | */ | ||
| 490 | public boolean equals(Object obj) { | ||
| 491 | return (obj == this || | ||
| 492 | (obj instanceof PSStreamPrintService && | ||
| 493 | ((PSStreamPrintService)obj).getName().equals(getName()))); | ||
| 494 | } | ||
| 495 | |||
| 496 | public int hashCode() { | ||
| 497 | return this.getClass().hashCode()+getName().hashCode(); | ||
| 498 | } | ||
| 499 | |||
| 500 | } | ||