JDK14/Java14源码在线阅读

/*
 * Copyright (c) 2000, 2014, 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
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 */

package sun.print;

import javax.print.AttributeException;
import javax.print.PrintException;
import javax.print.attribute.Attribute;

@SuppressWarnings("serial") // JDK-implementation class
class PrintJobAttributeException extends PrintException
    implements AttributeException {

    private Attribute attr;
    private Class<?> category;

    PrintJobAttributeException(String s, Class<?> cat, Attribute attrval) {
        super(s);
        attr = attrval;
        category = cat;
    }

    public Class<?>[] getUnsupportedAttributes() {
        if (category == null) {
            return null;
        } else {
            Class<?>[] cats = { category};
            return cats;
        }

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