}         /* Close the message queues so that nobody is stuck         * waiting for one.         */        graphicsToBeDrawn.closeWhenEmpty();        graphicsDrawn.close();    }     private class MessageQ {         private String qid="noname";         private ArrayList queue = new ArrayList();         MessageQ(String id) {          qid = id;        }         synchronized void closeWhenEmpty() {             while (queue != null && queue.size() > 0) {                try {                    wait(1000);                } catch (InterruptedException e) {                    // do nothing.                }            }             queue = null;            notifyAll();        }         synchronized void close() {            queue = null;            notifyAll();        }         synchronized boolean append(Graphics2D g) {             boolean queued = false;             if (queue != null) {                queue.add(g);                queued = true;                notify();            }             return queued;        }         synchronized Graphics2D pop() {            Graphics2D g = null;             while (g == null && queue != null) {                 if (queue.size() > 0) {                    g = (Graphics2D) queue.remove(0);                    notify();                 } else {                    try {                        wait(2000);                    } catch (InterruptedException e) {                        // do nothing.                    }                }            }             return g;        }         synchronized boolean isClosed() {            return queue == null;        }     }      private static int[] getSize(MediaType mType) {        int []dim = new int[2];        dim[0] = 612;        dim[1] = 792;         for (int i=0; i < SIZES.length; i++) {            if (SIZES[i] == mType) {                dim[0] = WIDTHS[i];                dim[1] = LENGTHS[i];                break;            }        }        return dim;    }     public static MediaSizeName mapMedia(MediaType mType) {        MediaSizeName media = null;         // JAVAXSIZES.length and SIZES.length must be equal!        // Attempt to recover by getting the smaller size.        int length = Math.min(SIZES.length, JAVAXSIZES.length);         for (int i=0; i < length; i++) {            if (SIZES[i] == mType) {                if ((JAVAXSIZES[i] != null) &&                    MediaSize.getMediaSizeForName(JAVAXSIZES[i]) != null) {                    media = JAVAXSIZES[i];                    break;                } else {                    /* create Custom Media */                    media = new CustomMediaSizeName(SIZES[i].toString());                     float w = (float)Math.rint(WIDTHS[i]  / 72.0);                    float h = (float)Math.rint(LENGTHS[i] / 72.0);                    if (w > 0.0 && h > 0.0) {                        // add new created MediaSize to our static map                        // so it will be found when we call findMedia                        new MediaSize(w, h, Size2DSyntax.INCH, media);                    }                     break;                }            }        }        return media;    }      public static MediaType unMapMedia(MediaSizeName mSize) {        MediaType media = null;         // JAVAXSIZES.length and SIZES.length must be equal!        // Attempt to recover by getting the smaller size.        int length = Math.min(SIZES.length, JAVAXSIZES.length);         for (int i=0; i < length; i++) {            if (JAVAXSIZES[i] == mSize) {                if (SIZES[i] != null) {                    media = SIZES[i];                    break;                }            }        }        return media;    }     private void translateInputProps() {        if (props == null) {            return;        }         String str;         str = props.getProperty(DEST_PROP);        if (str != null) {            if (str.equals(PRINTER)) {                jobAttributes.setDestination(DestinationType.PRINTER);            } else if (str.equals(FILE)) {                jobAttributes.setDestination(DestinationType.FILE);            }        }        str = props.getProperty(PRINTER_PROP);        if (str != null) {            jobAttributes.setPrinter(str);        }        str = props.getProperty(FILENAME_PROP);        if (str != null) {            jobAttributes.setFileName(str);        }        str = props.getProperty(NUMCOPIES_PROP);        if (str != null) {            jobAttributes.setCopies(Integer.parseInt(str));        }         this.options = props.getProperty(OPTIONS_PROP, "");         str = props.getProperty(ORIENT_PROP);        if (str != null) {            if (str.equals(PORTRAIT)) {                pageAttributes.setOrientationRequested(                                        OrientationRequestedType.PORTRAIT);            } else if (str.equals(LANDSCAPE)) {                pageAttributes.setOrientationRequested(                                        OrientationRequestedType.LANDSCAPE);            }        }        str = props.getProperty(PAPERSIZE_PROP);        if (str != null) {            if (str.equals(LETTER)) {                pageAttributes.setMedia(SIZES[MediaType.LETTER.hashCode()]);            } else if (str.equals(LEGAL)) {                pageAttributes.setMedia(SIZES[MediaType.LEGAL.hashCode()]);            } else if (str.equals(EXECUTIVE)) {                pageAttributes.setMedia(SIZES[MediaType.EXECUTIVE.hashCode()]);            } else if (str.equals(A4)) {                pageAttributes.setMedia(SIZES[MediaType.A4.hashCode()]);            }        }    }     private void translateOutputProps() {        if (props == null) {            return;        }         String str;         props.setProperty(DEST_PROP,            (jobAttributes.getDestination() == DestinationType.PRINTER) ?                          PRINTER : FILE);        str = jobAttributes.getPrinter();        if (str != null && !str.equals("")) {            props.setProperty(PRINTER_PROP, str);        }        str = jobAttributes.getFileName();        if (str != null && !str.equals("")) {            props.setProperty(FILENAME_PROP, str);        }        int copies = jobAttributes.getCopies();        if (copies > 0) {            props.setProperty(NUMCOPIES_PROP, "" + copies);        }        str = this.options;        if (str != null && !str.equals("")) {            props.setProperty(OPTIONS_PROP, str);        }        props.setProperty(ORIENT_PROP,            (pageAttributes.getOrientationRequested() ==             OrientationRequestedType.PORTRAIT)                          ? PORTRAIT : LANDSCAPE);        MediaType media = SIZES[pageAttributes.getMedia().hashCode()];        if (media == MediaType.LETTER) {            str = LETTER;        } else if (media == MediaType.LEGAL) {            str = LEGAL;        } else if (media == MediaType.EXECUTIVE) {            str = EXECUTIVE;        } else if (media == MediaType.A4) {            str = A4;        } else {            str = media.toString();        }        props.setProperty(PAPERSIZE_PROP, str);    }     private void throwPrintToFile() {        SecurityManager security = System.getSecurityManager();        FilePermission printToFilePermission = null;        if (security != null) {            if (printToFilePermission == null) {                printToFilePermission =                    new FilePermission("<<ALL FILES>>", "read,write");            }            security.checkPermission(printToFilePermission);        }    } }

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