JDK14/Java14源码在线阅读

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 * 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
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package javax.print.attribute.standard;

import java.util.Locale;

import javax.print.attribute.Attribute;
import javax.print.attribute.PrintServiceAttribute;
import javax.print.attribute.TextSyntax;

/**
 * Class {@code PrinterInfo} is a printing attribute class, a text attribute,
 * that provides descriptive information about a printer. This could include
 * things like: {@code "This printer can be used for printing color
 * transparencies for HR presentations"}, or {@code "Out of courtesy for others,
 * please print only small (1-5 page) jobs at this printer"}, or even
 * {@code "This printer is going away on July 1, 1997, please find a new
 * printer"}.
 * <p>
 * <b>IPP Compatibility:</b> The string value gives the IPP name value. The
 * locale gives the IPP natural language. The category name returned by {@code
 * getName()} gives the IPP attribute name.
 *
 * @author Alan Kaminsky
 */
public final class PrinterInfo extends TextSyntax
        implements PrintServiceAttribute {

    /**
     * Use serialVersionUID from JDK 1.4 for interoperability.
     */
    private static final long serialVersionUID = 7765280618777599727L;

    /**
     * Constructs a new printer info attribute with the given information string
     * and locale.
     *
     * @param  info printer information string
     * @param  locale natural language of the text string. {@code null} is
     *         interpreted to mean the default locale as returned by
     *         {@code Locale.getDefault()}
     * @throws NullPointerException if {@code info} is {@code null}
     */
    public PrinterInfo(String info, Locale locale) {
        super (info, locale);
    }

    /**
     * Returns whether this printer info attribute is equivalent to the passed
     * in object. To be equivalent, all of the following conditions must be
     * true:
     * <ol type=1>
     *   <li>{@code object} is not {@code null}.
     *   <li>{@code object} is an instance of class {@code PrinterInfo}.
     *   <li>This printer info attribute's underlying string and
     *   {@code object}'s underlying string are equal.
     *   <li>This printer info attribute's locale and {@code object}'s locale
     *   are equal.
     * </ol>
     *
     * @param  object {@code Object} to compare to
     * @return {@code true} if {@code object} is equivalent to this printer info
     *         attribute, {@code false} otherwise
     */
    public boolean equals(Object object) {
        return (super.equals(object) && object instanceof PrinterInfo);
    }

    /**
     * Get the printing attribute class which is to be used as the "category"
     * for this printing attribute value.
     * <p>
     * For class {@code PrinterInfo}, the category is class
     * {@code PrinterInfo} itself.
     *
     * @return printing attribute class (category), an instance of class

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