Java Printer Usage getResolution(PrintService service, PrintRequestAttributeSet set, boolean tryDefaultIfNull)

Description

get Resolution

License

Open Source License

Parameter

Parameter	Description
service	The PrintService to use.
set	The PrintRequestAttributeSet to use.
tryDefaultIfNull	Whether to ask for the default if no value is present in the set.

Return

The print resolution.

Declaration

public static PrinterResolution getResolution(PrintService service, PrintRequestAttributeSet set,
        boolean tryDefaultIfNull) 

Method Source Code

//package com.java2s;
/*/*from  w w w  . j  a  v  a 2  s.  c  o  m*/
 * Copyright (c) 1998-2017 by Richard A. Wilkes. All rights reserved.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, version 2.0. If a copy of the MPL was not distributed with
 * this file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This Source Code Form is "Incompatible With Secondary Licenses", as
 * defined by the Mozilla Public License, version 2.0.
 */

import javax.print.PrintService;
import javax.print.attribute.Attribute;
import javax.print.attribute.PrintRequestAttributeSet;

import javax.print.attribute.standard.PrinterResolution;

public class Main {
    /**
     * @param service The {@link PrintService} to use.
     * @param set The {@link PrintRequestAttributeSet} to use.
     * @param tryDefaultIfNull Whether to ask for the default if no value is present in the set.
     * @return The print resolution.
     */
    public static PrinterResolution getResolution(PrintService service, PrintRequestAttributeSet set,
            boolean tryDefaultIfNull) {
        return (PrinterResolution) getSetting(service, set, PrinterResolution.class, tryDefaultIfNull);
    }

    /**
     * Extracts a setting from the specified {@link PrintRequestAttributeSet} or looks up a default
     * value from the specified {@link PrintService} if the set doesn't contain it.
     *
     * @param service The {@link PrintService} to use.
     * @param set The {@link PrintRequestAttributeSet} to use.
     * @param type The setting type to extract.
     * @param tryDefaultIfNull Whether to ask for the default if no value is present in the set.
     * @return The value for the setting, or <code>null</code> if neither the set or the service has
     *         a value for it.
     */
    public static Attribute getSetting(PrintService service, PrintRequestAttributeSet set,
            Class<? extends Attribute> type, boolean tryDefaultIfNull) {
        Attribute attribute = set.get(type);
        if (tryDefaultIfNull && attribute == null && service != null) {
            attribute = (Attribute) service.getDefaultAttributeValue(type);
        }
        return attribute;
    }
}

Related

1. getPrinterAttributes(PrintService printer)
2. getPrinterJobProperties(PrintService ps)
3. getPrinterNames()
4. getPrintService(String printername)
5. getPrintServices()
6. getSetting(PrintService service, PrintRequestAttributeSet set, Class type, boolean tryDefaultIfNull)
7. getSupportedAttributes(PrintService p)
8. getSupportedAttrName(Class clazz)
9. isValueSupported(PrintService ps, Attribute attr, DocFlavor flavor, AttributeSet attributes)