/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
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 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
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package com.sun.javafx.print;

import javafx.print.JobSettings;
import javafx.print.Paper;
import javafx.print.PaperSource;
import javafx.print.PrintResolution;
import javafx.print.Printer;

An internal class which provides a way for implementation code to access to package level protected constructors (etc). All entry points to the printing API need to ensure this class is loaded and initialized.
/** * An internal class which provides a way for implementation code to * access to package level protected constructors (etc). * All entry points to the printing API need to ensure this class is * loaded and initialized. */
public class PrintHelper { private static PrintAccessor printAccessor; static { forceInit(Printer.class); } private PrintHelper() { } public static PrintResolution createPrintResolution(int fr, int cfr) { return printAccessor.createPrintResolution(fr, cfr); } public static Paper createPaper(String paperName, double paperWidth, double paperHeight, Units units) { return printAccessor.createPaper(paperName, paperWidth, paperHeight, units); } public static PaperSource createPaperSource(String name) { return printAccessor.createPaperSource(name); } public static JobSettings createJobSettings(Printer printer) { return printAccessor.createJobSettings(printer); } public static Printer createPrinter(PrinterImpl impl) { return printAccessor.createPrinter(impl); } public static PrinterImpl getPrinterImpl(Printer printer) { return printAccessor.getPrinterImpl(printer); } public static void setPrintAccessor(final PrintAccessor newAccessor) { if (printAccessor != null) { throw new IllegalStateException(); } printAccessor = newAccessor; } public interface PrintAccessor { PrintResolution createPrintResolution(int fr, int cfr); Paper createPaper(String paperName, double paperWidth, double paperHeight, Units units); PaperSource createPaperSource(String name); JobSettings createJobSettings(Printer printer); Printer createPrinter(PrinterImpl impl); PrinterImpl getPrinterImpl(Printer printer); } private static void forceInit(final Class<?> classToInit) { try { Class.forName(classToInit.getName(), true, classToInit.getClassLoader()); } catch (final ClassNotFoundException e) { throw new AssertionError(e); // Can't happen } } }