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This is a backport of OpenJFX 8 to run on Java 7.

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/*
 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * 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.
 *
 * 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).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

package com.sun.javafx.tk;

import java.lang.reflect.Method;
import javafx.collections.ObservableSet;
import javafx.print.Printer;
import javafx.print.PrinterJob;

import javafx.print.Printer;
import com.sun.javafx.print.PrinterJobImpl;

public abstract class PrintPipeline {

    private static PrintPipeline ppl = null;

    public static PrintPipeline getPrintPipeline() {
        if (ppl != null) {
            return ppl;
        }
        try {
            String className = "com.sun.prism.j2d.PrismPrintPipeline";
            Class klass = Class.forName(className);
            Method m = klass.getMethod("getInstance", (Class[])null);
            ppl = (PrintPipeline)m.invoke(null, (Object[])null);
            return ppl;
        } catch (Throwable t) {
            throw new RuntimeException(t);
        }
    }

    public abstract Printer getDefaultPrinter();
    public abstract ObservableSet getAllPrinters();
    public abstract PrinterJobImpl createPrinterJob(PrinterJob job);
}