Source Code Cross Referenced for WinPrintJob.java in  » Apache-Harmony-Java-SE » org-package » org » apache » harmony » x » print » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Apache Harmony Java SE » org package » org.apache.harmony.x.print 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         *  Licensed to the Apache Software Foundation (ASF) under one or more
003:         *  contributor license agreements.  See the NOTICE file distributed with
004:         *  this work for additional information regarding copyright ownership.
005:         *  The ASF licenses this file to You under the Apache License, Version 2.0
006:         *  (the "License"); you may not use this file except in compliance with
007:         *  the License.  You may obtain a copy of the License at
008:         *
009:         *     http://www.apache.org/licenses/LICENSE-2.0
010:         *
011:         *  Unless required by applicable law or agreed to in writing, software
012:         *  distributed under the License is distributed on an "AS IS" BASIS,
013:         *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014:         *  See the License for the specific language governing permissions and
015:         *  limitations under the License.
016:         */
017:        package org.apache.harmony.x.print;
018:
019:        import java.awt.Color;
020:        import java.awt.Component;
021:        import java.awt.Frame;
022:        import java.awt.Graphics;
023:        import java.awt.Graphics2D;
024:        import java.awt.GraphicsConfiguration;
025:        import java.awt.Image;
026:        import java.awt.Rectangle;
027:        import java.awt.font.GlyphVector;
028:        import java.awt.print.PageFormat;
029:        import java.awt.print.Pageable;
030:        import java.awt.print.Paper;
031:        import java.awt.print.Printable;
032:        import java.awt.print.PrinterException;
033:        import java.io.File;
034:        import java.io.IOException;
035:        import java.net.URL;
036:        import java.util.ArrayList;
037:        import java.util.Collections;
038:        import java.util.List;
039:        import java.util.Map;
040:        import java.util.WeakHashMap;
041:
042:        import javax.imageio.ImageIO;
043:        import javax.print.CancelablePrintJob;
044:        import javax.print.Doc;
045:        import javax.print.DocFlavor;
046:        import javax.print.PrintException;
047:        import javax.print.PrintService;
048:        import javax.print.attribute.Attribute;
049:        import javax.print.attribute.AttributeSet;
050:        import javax.print.attribute.AttributeSetUtilities;
051:        import javax.print.attribute.HashAttributeSet;
052:        import javax.print.attribute.HashPrintJobAttributeSet;
053:        import javax.print.attribute.PrintJobAttribute;
054:        import javax.print.attribute.PrintJobAttributeSet;
055:        import javax.print.attribute.PrintRequestAttributeSet;
056:        import javax.print.attribute.Size2DSyntax;
057:        import javax.print.attribute.TextSyntax;
058:        import javax.print.attribute.standard.Destination;
059:        import javax.print.attribute.standard.DocumentName;
060:        import javax.print.attribute.standard.JobName;
061:        import javax.print.attribute.standard.MediaPrintableArea;
062:        import javax.print.attribute.standard.OrientationRequested;
063:        import javax.print.attribute.standard.PageRanges;
064:        import javax.print.event.PrintJobAttributeEvent;
065:        import javax.print.event.PrintJobAttributeListener;
066:        import javax.print.event.PrintJobEvent;
067:        import javax.print.event.PrintJobListener;
068:
069:        import org.apache.harmony.awt.gl.CommonGraphics2D;
070:        import org.apache.harmony.awt.gl.windows.WinGDIPGraphics2D;
071:
072:        class WinPrintJob implements  CancelablePrintJob {
073:
074:            final Object lock;
075:            final Map<PrintJobListener, Object> jobListeners;
076:            final Map<PrintJobAttributeListener, PrintJobAttributeSet> attrListeners;
077:            final WinPrintService service;
078:            Printer printer;
079:
080:            WinPrintJob(final WinPrintService service) {
081:                this .service = service;
082:                lock = new Object();
083:                jobListeners = Collections
084:                        .synchronizedMap(new WeakHashMap<PrintJobListener, Object>());
085:                attrListeners = Collections
086:                        .synchronizedMap(new WeakHashMap<PrintJobAttributeListener, PrintJobAttributeSet>());
087:            }
088:
089:            public void cancel() throws PrintException {
090:                synchronized (lock) {
091:                    if (printer == null) {
092:                        throw new PrintException("Job is not started"); //$NON-NLS-1$
093:                    }
094:                    printer.cancelJob();
095:                }
096:            }
097:
098:            public void addPrintJobAttributeListener(
099:                    final PrintJobAttributeListener listener,
100:                    final PrintJobAttributeSet attributes) {
101:                if (listener != null) {
102:                    attrListeners.put(listener, attributes);
103:                }
104:            }
105:
106:            public void addPrintJobListener(final PrintJobListener listener) {
107:                if (listener != null) {
108:                    jobListeners.put(listener, null);
109:                }
110:            }
111:
112:            public PrintJobAttributeSet getAttributes() {
113:                final PrintJobAttributeSet attrs = service.getPrinterProps()
114:                        .getAttributes(new HashPrintJobAttributeSet());
115:
116:                for (Attribute attr : attrs.toArray()) {
117:                    if (!(attr instanceof  PrintJobAttribute)) {
118:                        attrs.remove(attr);
119:                    }
120:                }
121:
122:                return AttributeSetUtilities.unmodifiableView(attrs);
123:            }
124:
125:            public PrintService getPrintService() {
126:                return service;
127:            }
128:
129:            public void print(final Doc doc,
130:                    final PrintRequestAttributeSet attributes)
131:                    throws PrintException {
132:                synchronized (lock) {
133:                    if (printer != null) {
134:                        throw new PrintException("Printer is busy"); //$NON-NLS-1$
135:                    } else {
136:                        final DocFlavor flavor = doc.getDocFlavor();
137:
138:                        if ((flavor == null)
139:                                || !service.isDocFlavorSupported(flavor)) {
140:                            throw new PrintException(
141:                                    "Doc flavor is not supported"); //$NON-NLS-1$
142:                        }
143:
144:                        printer = new Printer(doc, attributes);
145:                        printer.print();
146:                    }
147:                }
148:            }
149:
150:            public void removePrintJobAttributeListener(
151:                    final PrintJobAttributeListener listener) {
152:                attrListeners.remove(listener);
153:            }
154:
155:            public void removePrintJobListener(final PrintJobListener listener) {
156:                jobListeners.remove(listener);
157:            }
158:
159:            void notifyJobListeners(final int reason) {
160:                final PrintJobEvent event = new PrintJobEvent(this , reason);
161:
162:                for (PrintJobListener listener : jobListeners.keySet()) {
163:                    switch (reason) {
164:                    case PrintJobEvent.DATA_TRANSFER_COMPLETE:
165:                        listener.printDataTransferCompleted(event);
166:                        break;
167:                    case PrintJobEvent.JOB_CANCELED:
168:                        listener.printJobCanceled(event);
169:                        break;
170:                    case PrintJobEvent.JOB_COMPLETE:
171:                        listener.printJobCompleted(event);
172:                        break;
173:                    case PrintJobEvent.JOB_FAILED:
174:                        listener.printJobFailed(event);
175:                        break;
176:                    case PrintJobEvent.NO_MORE_EVENTS:
177:                        listener.printJobNoMoreEvents(event);
178:                        break;
179:                    case PrintJobEvent.REQUIRES_ATTENTION:
180:                        listener.printJobRequiresAttention(event);
181:                        break;
182:                    }
183:                }
184:            }
185:
186:            void notifyAttrListeners(final PrintJobAttribute... attrs) {
187:                final PrintJobAttributeSet attrSet = new HashPrintJobAttributeSet(
188:                        attrs);
189:                final PrintJobAttributeEvent event = new PrintJobAttributeEvent(
190:                        this , attrSet);
191:
192:                for (PrintJobAttribute attr : attrs) {
193:                    final Class<? extends Attribute> cat = attr.getCategory();
194:
195:                    for (Map.Entry<PrintJobAttributeListener, PrintJobAttributeSet> e : attrListeners
196:                            .entrySet()) {
197:                        if ((e.getValue() == null)
198:                                || (e.getValue().containsKey(cat))) {
199:                            e.getKey().attributeUpdate(event);
200:                        }
201:                    }
202:                }
203:            }
204:
205:            void notifyAttrListeners(final AttributeSet... attrSets) {
206:                final List<PrintJobAttribute> list = new ArrayList<PrintJobAttribute>();
207:                final PrintJobAttribute[] attrs;
208:
209:                for (AttributeSet attrSet : attrSets) {
210:                    if (attrSet != null) {
211:                        for (Attribute attr : attrSet.toArray()) {
212:                            if (attr instanceof  PrintJobAttribute) {
213:                                list.add((PrintJobAttribute) attr);
214:                            }
215:                        }
216:                    }
217:                }
218:
219:                attrs = new PrintJobAttribute[list.size()];
220:                notifyAttrListeners(list.toArray(attrs));
221:            }
222:
223:            private class Printer extends Thread {
224:                final Doc doc;
225:                final PrintRequestAttributeSet attributes;
226:                int jobId;
227:
228:                Printer(final Doc doc, final PrintRequestAttributeSet attributes) {
229:                    super (WinPrintService.DEFAULT_JOB_NAME.getValue());
230:                    this .doc = doc;
231:                    this .attributes = attributes;
232:                }
233:
234:                public void run() {
235:                    try {
236:                        print();
237:                    } catch (final PrintException ex) {
238:                        throw new RuntimeException(ex);
239:                    }
240:                }
241:
242:                public void print() throws PrintException {
243:                    final DocFlavor flavor = doc.getDocFlavor();
244:                    final DevmodeStructWrapper dm = service.getPrinterProps();
245:
246:                    dm.setAttributes(attributes);
247:                    dm.setAttributes(doc.getAttributes());
248:                    notifyAttrListeners(dm
249:                            .getAttributes(new HashAttributeSet()));
250:
251:                    try {
252:                        if (DocFlavor.SERVICE_FORMATTED.PRINTABLE
253:                                .equals(flavor)) {
254:                            printPrintable(doc, attributes);
255:                        } else if (DocFlavor.SERVICE_FORMATTED.PAGEABLE
256:                                .equals(flavor)) {
257:                            printPageable(doc, attributes);
258:                        } else if (DocFlavor.URL.JPEG.equals(flavor)
259:                                || DocFlavor.URL.GIF.equals(flavor)
260:                                || DocFlavor.URL.PNG.equals(flavor)) {
261:                            printImage(ImageIO.read(castDoc(doc, URL.class)),
262:                                    doc, attributes);
263:                        } else if (DocFlavor.INPUT_STREAM.JPEG.equals(flavor)
264:                                || DocFlavor.INPUT_STREAM.GIF.equals(flavor)
265:                                || DocFlavor.INPUT_STREAM.PNG.equals(flavor)) {
266:                            printImage(ImageIO.read(doc.getStreamForBytes()),
267:                                    doc, attributes);
268:                        } else if (DocFlavor.BYTE_ARRAY.JPEG.equals(flavor)
269:                                || DocFlavor.BYTE_ARRAY.GIF.equals(flavor)
270:                                || DocFlavor.BYTE_ARRAY.PNG.equals(flavor)) {
271:                            printImage(ImageIO.read(doc.getStreamForBytes()),
272:                                    doc, attributes);
273:                        } else {
274:                            throw new PrintException(
275:                                    "Doc flavor is not supported"); //$NON-NLS-1$
276:                        }
277:
278:                        notifyJobListeners(PrintJobEvent.DATA_TRANSFER_COMPLETE);
279:                        notifyJobListeners(PrintJobEvent.JOB_COMPLETE);
280:                    } catch (final PrintException ex) {
281:                        throw ex;
282:                    } catch (final Exception ex) {
283:                        synchronized (this ) {
284:                            if (jobId != -1) {
285:                                notifyJobListeners(PrintJobEvent.JOB_FAILED);
286:                                throw new PrintException(ex);
287:                            }
288:                        }
289:                    } finally {
290:                        synchronized (lock) {
291:                            printer = null;
292:                        }
293:                    }
294:                }
295:
296:                synchronized void cancelJob() throws PrintException {
297:                    if (jobId > 0) {
298:                        WinPrinterFactory.cancelPrinterJob(service
299:                                .getPrinterHandle(), jobId);
300:                    }
301:
302:                    jobId = -1;
303:                    notifyJobListeners(PrintJobEvent.JOB_CANCELED);
304:                }
305:
306:                private synchronized void startJob(final long pdc,
307:                        final String docName, final String filePath)
308:                        throws PrintException {
309:                    if (jobId == -1) {
310:                        throw new PrintException("Job has been canceled"); //$NON-NLS-1$
311:                    }
312:
313:                    jobId = WinPrinterFactory.startDoc(pdc, docName, filePath);
314:                }
315:
316:                private synchronized void endJob(final long pdc)
317:                        throws PrintException {
318:                    if (jobId <= 0) {
319:                        throw new PrintException("Job is not started");//$NON-NLS-1$ 
320:                    }
321:                    WinPrinterFactory.endDoc(pdc);
322:                }
323:
324:                private void printPrintable(final Doc doc,
325:                        final PrintRequestAttributeSet attributes)
326:                        throws PrintException {
327:                    final long pdc = WinPrinterFactory.getPrinterDC(
328:                            service.printerName, service.getPrinterProps()
329:                                    .getStructPtr());
330:                    final AttributeSet docAttrs = doc.getAttributes();
331:                    final Printable printable = castDoc(doc, Printable.class);
332:                    final PageFormat format = getPageFormat(docAttrs,
333:                            attributes);
334:                    final PageRanges ranges = getAttribute(PageRanges.class,
335:                            docAttrs, attributes);
336:                    int res = Printable.PAGE_EXISTS;
337:
338:                    try {
339:                        startJob(pdc, getDocName(printable, docAttrs,
340:                                attributes), getDestinationPath(attributes));
341:
342:                        for (int i = 0; res == Printable.PAGE_EXISTS; i++) {
343:                            if ((ranges != null) && !ranges.contains(i)) {
344:                                continue;
345:                            }
346:
347:                            res = printPrintable(printable, pdc, format, i);
348:                        }
349:
350:                        endJob(pdc);
351:                    } finally {
352:                        WinPrinterFactory.releasePrinterDC(pdc);
353:                    }
354:                }
355:
356:                private void printPageable(final Doc doc,
357:                        final PrintRequestAttributeSet attributes)
358:                        throws PrintException {
359:                    final Pageable pageable = castDoc(doc, Pageable.class);
360:                    final PageFormat defaultFormat = getPageFormat(doc
361:                            .getAttributes(), attributes);
362:                    final long pdc = WinPrinterFactory.getPrinterDC(
363:                            service.printerName, service.getPrinterProps()
364:                                    .getStructPtr());
365:                    final AttributeSet docAttrs = doc.getAttributes();
366:                    int pages = pageable.getNumberOfPages();
367:                    final PageRanges ranges = getAttribute(PageRanges.class,
368:                            docAttrs, attributes);
369:
370:                    if (pages == Pageable.UNKNOWN_NUMBER_OF_PAGES) {
371:                        pages = Integer.MAX_VALUE;
372:                    }
373:
374:                    try {
375:                        startJob(pdc,
376:                                getDocName(pageable, docAttrs, attributes),
377:                                getDestinationPath(attributes));
378:
379:                        for (int i = 0; i < pages; i++) {
380:                            if ((ranges != null) && !ranges.contains(i)) {
381:                                continue;
382:                            }
383:
384:                            final Printable printable = pageable
385:                                    .getPrintable(i);
386:                            final PageFormat format = null;
387:
388:                            if (printable == null) {
389:                                throw new PrintException("No such page: " + i); //$NON-NLS-1$
390:                            }
391:
392:                            if (printPrintable(printable, pdc,
393:                                    format != null ? format : defaultFormat, i) == Printable.NO_SUCH_PAGE) {
394:                                break;
395:                            }
396:                        }
397:
398:                        endJob(pdc);
399:                    } finally {
400:                        WinPrinterFactory.releasePrinterDC(pdc);
401:                    }
402:                }
403:
404:                private void printImage(final Image img, final Doc doc,
405:                        final PrintRequestAttributeSet attributes)
406:                        throws PrintException {
407:                    final PageFormat format = getPageFormat(attributes);
408:                    final long pdc = WinPrinterFactory.getPrinterDC(
409:                            service.printerName, service.getPrinterProps()
410:                                    .getStructPtr());
411:                    final double xRes = WinPrinterFactory
412:                            .getPixelsPerInchX(pdc) / 72;
413:                    final double yRes = WinPrinterFactory
414:                            .getPixelsPerInchY(pdc) / 72;
415:                    final Graphics2D g2d = new WinGDIPGraphics2D(pdc, (char) 2,
416:                            (int) (format.getWidth() * xRes), (int) (format
417:                                    .getHeight() * yRes));
418:
419:                    try {
420:                        startJob(pdc, getDocName(img, attributes),
421:                                getDestinationPath(attributes));
422:                        WinPrinterFactory.startPage(pdc);
423:                        g2d.drawImage(img,
424:                                (int) (format.getImageableX() * xRes),
425:                                (int) (format.getImageableY() * yRes),
426:                                (int) (format.getImageableWidth() * xRes),
427:                                (int) (format.getImageableHeight() * yRes),
428:                                Color.WHITE, null);
429:                        WinPrinterFactory.endPage(pdc);
430:                        endJob(pdc);
431:                    } finally {
432:                        WinPrinterFactory.releasePrinterDC(pdc);
433:                    }
434:                }
435:
436:                private int printPrintable(final Printable p, final long pdc,
437:                        final PageFormat format, final int pageIndex)
438:                        throws PrintException {
439:                    int result = Printable.PAGE_EXISTS;
440:
441:                    try {
442:                        // Before drawing on printer's device context trying to draw on
443:                        // a dummy graphics to ensure that the page exists.
444:                        result = p.print(new DummyGraphics2D((int) format
445:                                .getWidth(), (int) format.getHeight()), format,
446:                                pageIndex);
447:                    } catch (final Exception ex) {
448:                        // ignore
449:                    }
450:
451:                    if (result == Printable.PAGE_EXISTS) {
452:                        try {
453:                            WinPrinterFactory.startPage(pdc);
454:                            result = p.print(getGraphics(pdc, format), format,
455:                                    pageIndex);
456:                            WinPrinterFactory.endPage(pdc);
457:                        } catch (final PrinterException ex) {
458:                            throw new PrintException(ex);
459:                        }
460:                    }
461:
462:                    return result;
463:                }
464:
465:                private <T extends Attribute> T getAttribute(final Class<T> c,
466:                        final AttributeSet... attrSets) {
467:                    for (AttributeSet attrs : attrSets) {
468:                        if (attrs != null) {
469:                            for (Attribute attr : attrs.toArray()) {
470:                                if (c.equals(attr.getCategory())) {
471:                                    return c.cast(attr);
472:                                }
473:                            }
474:                        }
475:                    }
476:
477:                    return null;
478:                }
479:
480:                private String getDocName(final Object doc,
481:                        final AttributeSet... attrSets) {
482:                    Attribute name = getAttribute(DocumentName.class, attrSets);
483:
484:                    if (name == null) {
485:                        name = getAttribute(JobName.class, attrSets);
486:                    }
487:
488:                    if ((name == null) && (doc instanceof  Component)) {
489:                        Component c = (Component) doc;
490:
491:                        while (c != null) {
492:                            if (c instanceof  Frame) {
493:                                if (((Frame) c).getTitle().length() > 0) {
494:                                    return ((Frame) c).getTitle();
495:                                }
496:                            }
497:                            c = c.getParent();
498:                        }
499:                    }
500:
501:                    return name != null ? ((TextSyntax) name).getValue()
502:                            : WinPrintService.DEFAULT_JOB_NAME.getValue();
503:                }
504:
505:                private String getDestinationPath(
506:                        final PrintRequestAttributeSet attrs)
507:                        throws PrintException {
508:                    if (attrs != null) {
509:                        final Destination dest = (Destination) attrs
510:                                .get(Destination.class);
511:                        return dest != null ? new File(dest.getURI())
512:                                .getAbsolutePath() : null;
513:                    }
514:                    return null;
515:                }
516:
517:                private <T> T castDoc(final Doc doc, final Class<T> c)
518:                        throws PrintException {
519:                    try {
520:                        return c.cast(doc.getPrintData());
521:                    } catch (final IOException ex) {
522:                        throw new PrintException(ex);
523:                    }
524:                }
525:
526:                private Graphics2D getGraphics(final long pdc,
527:                        final PageFormat format) throws PrintException {
528:                    final Graphics2D g2d = new WinGDIPGraphics2D(pdc, (char) 3,
529:                            (int) format.getWidth(), (int) format.getHeight());
530:
531:                    g2d.setColor(Color.BLACK);
532:                    g2d.setBackground(Color.WHITE);
533:                    g2d.setClip((int) format.getImageableX(), (int) format
534:                            .getImageableY(), (int) format.getImageableWidth(),
535:                            (int) format.getImageableHeight());
536:
537:                    return g2d;
538:                }
539:
540:                private PageFormat getPageFormat(final AttributeSet... attrSets) {
541:                    final Paper paper = new Paper();
542:                    final PageFormat format = new PageFormat();
543:                    final DevmodeStructWrapper dm = service.getPrinterProps();
544:                    final OrientationRequested o = dm.getOrientation();
545:                    final MediaPrintableArea area = getAttribute(
546:                            MediaPrintableArea.class, attrSets);
547:                    DevmodeStructWrapper.Paper p = dm.getPaper();
548:
549:                    if (p == null) {
550:                        p = (DevmodeStructWrapper.Paper) service
551:                                .getDefaultAttributeValue(DevmodeStructWrapper.Paper.class);
552:                        dm.setPaper(p);
553:                    }
554:
555:                    paper.setSize(p.getSize().getX(Size2DSyntax.INCH) * 72.0, p
556:                            .getSize().getY(Size2DSyntax.INCH) * 72.0);
557:                    format.setPaper(paper);
558:
559:                    if (OrientationRequested.LANDSCAPE.equals(o)
560:                            || OrientationRequested.REVERSE_LANDSCAPE.equals(o)) {
561:                        format.setOrientation(PageFormat.LANDSCAPE);
562:                    } else {
563:                        format.setOrientation(PageFormat.PORTRAIT);
564:                    }
565:
566:                    if (area != null) {
567:                        paper.setImageableArea(area
568:                                .getX(MediaPrintableArea.INCH) * 72, area
569:                                .getY(MediaPrintableArea.INCH) * 72, area
570:                                .getWidth(MediaPrintableArea.INCH) * 72, area
571:                                .getHeight(MediaPrintableArea.INCH) * 72);
572:                    } else {
573:                        final double x = paper.getWidth() / 10;
574:                        final double y = paper.getHeight() / 10;
575:
576:                        paper.setImageableArea(x, y,
577:                                (paper.getWidth() - 2 * x),
578:                                (paper.getHeight() - 2 * y));
579:                    }
580:
581:                    return format;
582:                }
583:            }
584:
585:            private static class DummyGraphics2D extends CommonGraphics2D {
586:                DummyGraphics2D(final int width, final int height) {
587:                    setClip(new Rectangle(width, height));
588:                }
589:
590:                public void drawGlyphVector(GlyphVector g, float x, float y) {
591:                }
592:
593:                public void drawString(String s, float x, float y) {
594:                }
595:
596:                public GraphicsConfiguration getDeviceConfiguration() {
597:                    return null;
598:                }
599:
600:                public void copyArea(int sx, int sy, int width, int height,
601:                        int dx, int dy) {
602:                }
603:
604:                public Graphics create() {
605:                    return this;
606:                }
607:            }
608:        }
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