Source Code Cross Referenced for PrinterJobImpl.java in  » Apache-Harmony-Java-SE » java-package » java » awt » print » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Apache Harmony Java SE » java package » java.awt.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:
018:        package java.awt.print;
019:
020:        import java.awt.Dialog;
021:        import java.awt.Frame;
022:        import java.awt.GraphicsEnvironment;
023:        import java.awt.HeadlessException;
024:        import java.awt.KeyboardFocusManager;
025:        import java.awt.Rectangle;
026:        import java.awt.Window;
027:
028:        import javax.print.CancelablePrintJob;
029:        import javax.print.Doc;
030:        import javax.print.DocFlavor;
031:        import javax.print.DocPrintJob;
032:        import javax.print.PrintException;
033:        import javax.print.PrintService;
034:        import javax.print.PrintServiceLookup;
035:        import javax.print.ServiceUI;
036:        import javax.print.SimpleDoc;
037:        import javax.print.attribute.Attribute;
038:        import javax.print.attribute.HashPrintRequestAttributeSet;
039:        import javax.print.attribute.PrintRequestAttributeSet;
040:        import javax.print.attribute.Size2DSyntax;
041:        import javax.print.attribute.standard.Copies;
042:        import javax.print.attribute.standard.JobName;
043:        import javax.print.attribute.standard.Media;
044:        import javax.print.attribute.standard.MediaPrintableArea;
045:        import javax.print.attribute.standard.MediaSize;
046:        import javax.print.attribute.standard.MediaSizeName;
047:        import javax.print.attribute.standard.OrientationRequested;
048:        import javax.print.attribute.standard.RequestingUserName;
049:
050:        import org.apache.harmony.awt.internal.nls.Messages;
051:        import org.apache.harmony.x.print.ServiceUIDialog;
052:
053:        class PrinterJobImpl extends PrinterJob {
054:
055:            private final PrintRequestAttributeSet attributes;
056:
057:            private Doc doc;
058:            private PageFormat format;
059:            private DocPrintJob printJob;
060:            private PrintService printService;
061:            private boolean isCanceled;
062:
063:            PrinterJobImpl() {
064:                attributes = new HashPrintRequestAttributeSet();
065:            }
066:
067:            @Override
068:            public PrintService getPrintService() {
069:                if (printService == null) {
070:                    printService = PrintServiceLookup
071:                            .lookupDefaultPrintService();
072:                    printService = isServiceSupported(printService) ? printService
073:                            : null;
074:                }
075:                return printService;
076:            }
077:
078:            @Override
079:            public void setPrintService(final PrintService printservice)
080:                    throws PrinterException {
081:                if (!isServiceSupported(printservice)) {
082:                    // DocFlavor.SERVICE_FORMATTED is not supported
083:                    throw new PrinterException(Messages.getString(
084:                            "awt.5D", "DocFlavor.SERVICE_FORMATTED")); //$NON-NLS-1$ //$NON-NLS-2$
085:                }
086:
087:                this .printService = printservice;
088:            }
089:
090:            @Override
091:            public void cancel() {
092:                if (printJob instanceof  CancelablePrintJob) {
093:                    try {
094:                        ((CancelablePrintJob) printJob).cancel();
095:                        isCanceled = true;
096:                    } catch (PrintException e) {
097:                        // ignore
098:                    }
099:                }
100:            }
101:
102:            @Override
103:            public PageFormat defaultPage(final PageFormat page) {
104:                if (page != null) {
105:                    format = (PageFormat) page.clone();
106:                    attributes.addAll(formatToAttrs(format));
107:                }
108:
109:                return format;
110:            }
111:
112:            @Override
113:            public int getCopies() {
114:                final Copies c = (Copies) attributes.get(Copies.class);
115:                return c != null ? c.getValue() : 1;
116:            }
117:
118:            @Override
119:            public String getJobName() {
120:                final JobName name = (JobName) attributes.get(JobName.class);
121:                return name != null ? name.getValue() : null;
122:            }
123:
124:            @Override
125:            public String getUserName() {
126:                final RequestingUserName name = (RequestingUserName) attributes
127:                        .get(RequestingUserName.class);
128:                return name != null ? name.getValue() : null;
129:            }
130:
131:            @Override
132:            public boolean isCancelled() {
133:                return isCanceled;
134:            }
135:
136:            @Override
137:            public PageFormat pageDialog(
138:                    final PrintRequestAttributeSet attributes)
139:                    throws HeadlessException {
140:                checkHeadless();
141:
142:                final Window wnd = KeyboardFocusManager
143:                        .getCurrentKeyboardFocusManager().getActiveWindow();
144:                final Window owner = (((wnd instanceof  Dialog) || (wnd instanceof  Frame)) ? wnd
145:                        : new Frame());
146:                final Rectangle screen = GraphicsEnvironment
147:                        .getLocalGraphicsEnvironment().getDefaultScreenDevice()
148:                        .getDefaultConfiguration().getBounds();
149:                final ServiceUIDialog dialog = new ServiceUIDialog(null,
150:                        screen.width / 3, screen.height / 3, getPrintService(),
151:                        attributes, owner);
152:
153:                dialog.show();
154:
155:                if (owner != wnd) {
156:                    owner.dispose();
157:                }
158:
159:                if (attributes != dialog.getAttributes()) {
160:                    attributes.addAll(dialog.getAttributes());
161:                }
162:
163:                return (dialog.getResult() == ServiceUIDialog.APPROVE_PRINT) ? attrsToFormat(attributes)
164:                        : null;
165:            }
166:
167:            @Override
168:            public PageFormat pageDialog(final PageFormat page)
169:                    throws HeadlessException {
170:                final PageFormat format = pageDialog(formatToAttrs(page));
171:                return format != null ? format : page;
172:            }
173:
174:            @Override
175:            public void print() throws PrinterException {
176:                print(attributes);
177:            }
178:
179:            @Override
180:            public void print(final PrintRequestAttributeSet attributes)
181:                    throws PrinterException {
182:                if (doc == null) {
183:                    // Neither Printable nor Pageable specified
184:                    throw new PrinterException(Messages.getString("awt.29A")); //$NON-NLS-1$
185:                }
186:
187:                final PrintRequestAttributeSet attrs = mergeAttrs(attributes);
188:                final PrintService service = getPrintService();
189:
190:                if (service == null) {
191:                    // Printer not found
192:                    throw new PrinterException(Messages.getString("awt.29A")); //$NON-NLS-1$
193:                }
194:
195:                try {
196:                    printJob = service.createPrintJob();
197:                    printJob.print(doc, attrs);
198:                } catch (final PrintException ex) {
199:                    final PrinterException pe = new PrinterException();
200:                    pe.initCause(ex);
201:                    throw pe;
202:                }
203:            }
204:
205:            @Override
206:            public boolean printDialog() throws HeadlessException {
207:                return printDialog(attributes);
208:            }
209:
210:            @Override
211:            public boolean printDialog(final PrintRequestAttributeSet attributes)
212:                    throws HeadlessException {
213:                checkHeadless();
214:
215:                if (attributes == null) {
216:                    throw new NullPointerException();
217:                }
218:
219:                final PrintRequestAttributeSet attrs = mergeAttrs(attributes);
220:                final Rectangle screen = GraphicsEnvironment
221:                        .getLocalGraphicsEnvironment().getDefaultScreenDevice()
222:                        .getDefaultConfiguration().getBounds();
223:                final PrintService newService = ServiceUI.printDialog(null,
224:                        screen.width / 3, screen.height / 3,
225:                        lookupPrintServices(), getPrintService(),
226:                        DocFlavor.SERVICE_FORMATTED.PRINTABLE, attrs);
227:
228:                if (newService != null) {
229:                    printService = newService;
230:                }
231:
232:                return newService != null;
233:            }
234:
235:            @Override
236:            public void setCopies(final int copies) {
237:                attributes.add(new Copies(copies));
238:            }
239:
240:            @Override
241:            public void setJobName(final String jobName) {
242:                attributes.add(new JobName(jobName, null));
243:            }
244:
245:            @Override
246:            public void setPageable(final Pageable document)
247:                    throws NullPointerException {
248:                doc = new SimpleDoc(document,
249:                        DocFlavor.SERVICE_FORMATTED.PAGEABLE, null);
250:            }
251:
252:            @Override
253:            public void setPrintable(final Printable painter) {
254:                setPrintable(painter, null);
255:            }
256:
257:            @Override
258:            public void setPrintable(final Printable painter,
259:                    final PageFormat format) {
260:                if (format != null) {
261:                    doc = new SimpleDoc(new PrintableWrapper(painter, format),
262:                            DocFlavor.SERVICE_FORMATTED.PAGEABLE, null);
263:                } else {
264:                    doc = new SimpleDoc(new PrintableWrapper(painter,
265:                            this .format), DocFlavor.SERVICE_FORMATTED.PAGEABLE,
266:                            null);
267:                }
268:            }
269:
270:            @Override
271:            public PageFormat validatePage(final PageFormat page) {
272:                return page;
273:            }
274:
275:            private static void checkHeadless() throws HeadlessException {
276:                if (GraphicsEnvironment.isHeadless()) {
277:                    throw new HeadlessException();
278:                }
279:            }
280:
281:            private static boolean isServiceSupported(final PrintService service) {
282:                return (service != null)
283:                        && service
284:                                .isDocFlavorSupported(DocFlavor.SERVICE_FORMATTED.PAGEABLE);
285:            }
286:
287:            private static PrintRequestAttributeSet formatToAttrs(
288:                    final PageFormat format) {
289:                final PrintRequestAttributeSet attributes = new HashPrintRequestAttributeSet();
290:
291:                if (format != null) {
292:                    attributes.add(new MediaPrintableArea((float) (format
293:                            .getImageableX() / 72.0), (float) (format
294:                            .getImageableY() / 72.0), (float) (format
295:                            .getWidth() / 72.0),
296:                            (float) (format.getHeight() / 72.0),
297:                            Size2DSyntax.INCH));
298:
299:                    switch (format.getOrientation()) {
300:                    case PageFormat.PORTRAIT:
301:                        attributes.add(OrientationRequested.PORTRAIT);
302:                        break;
303:                    case PageFormat.LANDSCAPE:
304:                        attributes.add(OrientationRequested.LANDSCAPE);
305:                        break;
306:                    case PageFormat.REVERSE_LANDSCAPE:
307:                        attributes.add(OrientationRequested.REVERSE_LANDSCAPE);
308:                        break;
309:                    }
310:                }
311:
312:                return attributes;
313:            }
314:
315:            private static PageFormat attrsToFormat(
316:                    final PrintRequestAttributeSet attributes) {
317:                if (attributes == null) {
318:                    return new PageFormat();
319:                }
320:
321:                final PageFormat format = new PageFormat();
322:                final Paper paper = new Paper();
323:                final OrientationRequested orient = (OrientationRequested) attributes
324:                        .get(OrientationRequested.class);
325:                final MediaSize size = attributes.containsKey(Media.class) ? MediaSize
326:                        .getMediaSizeForName((MediaSizeName) attributes
327:                                .get(Media.class))
328:                        : (MediaSize) attributes.get(MediaSize.class);
329:                final MediaPrintableArea area = (MediaPrintableArea) attributes
330:                        .get(MediaPrintableArea.class);
331:
332:                if (orient != null) {
333:                    if (orient.equals(OrientationRequested.LANDSCAPE)) {
334:                        format.setOrientation(PageFormat.LANDSCAPE);
335:                    } else if (orient
336:                            .equals(OrientationRequested.REVERSE_LANDSCAPE)) {
337:                        format.setOrientation(PageFormat.REVERSE_LANDSCAPE);
338:                    }
339:                }
340:
341:                if (size != null) {
342:                    paper.setSize(size.getX(Size2DSyntax.INCH) * 72.0, size
343:                            .getY(Size2DSyntax.INCH) * 72.0);
344:                }
345:
346:                if (area != null) {
347:                    paper.setImageableArea(area.getX(Size2DSyntax.INCH) * 72.0,
348:                            area.getY(Size2DSyntax.INCH) * 72.0, area
349:                                    .getWidth(Size2DSyntax.INCH) * 72.0, area
350:                                    .getHeight(Size2DSyntax.INCH) * 72.0);
351:                }
352:
353:                format.setPaper(paper);
354:
355:                return format;
356:            }
357:
358:            private PrintRequestAttributeSet mergeAttrs(
359:                    final PrintRequestAttributeSet dest) {
360:                if (dest == attributes) {
361:                    return attributes;
362:                }
363:
364:                final PrintRequestAttributeSet attrs = (dest != null) ? dest
365:                        : new HashPrintRequestAttributeSet();
366:
367:                for (Attribute attr : attributes.toArray()) {
368:                    if ((attr != null)
369:                            && !attrs.containsKey(attr.getCategory())) {
370:                        attrs.add(attr);
371:                    }
372:                }
373:                return attrs;
374:            }
375:
376:            private static class PrintableWrapper implements  Pageable {
377:                private final Printable p;
378:                private final PageFormat format;
379:
380:                PrintableWrapper(final Printable p, final PageFormat format) {
381:                    this .p = p;
382:                    this .format = (format != null) ? format : new PageFormat();
383:                }
384:
385:                public int getNumberOfPages() {
386:                    return Pageable.UNKNOWN_NUMBER_OF_PAGES;
387:                }
388:
389:                public PageFormat getPageFormat(int pageIndex)
390:                        throws IndexOutOfBoundsException {
391:                    return format;
392:                }
393:
394:                public Printable getPrintable(int pageIndex)
395:                        throws IndexOutOfBoundsException {
396:                    return p;
397:                }
398:            }
399:        }
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