JDK14/Java14源码在线阅读

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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * 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 javax.print.attribute.Attribute;
import javax.print.attribute.DocAttribute;
import javax.print.attribute.EnumSyntax;
import javax.print.attribute.PrintJobAttribute;
import javax.print.attribute.PrintRequestAttribute;

/**
 * Class {@code OrientationRequested} is a printing attribute class, an
 * enumeration, that indicates the desired orientation for printed print-stream
 * pages; it does not describe the orientation of the client-supplied
 * print-stream pages.
 * <p>
 * For some document formats (such as {@code "application/postscript"}), the
 * desired orientation of the print-stream pages is specified within the
 * document data. This information is generated by a device driver prior to the
 * submission of the print job. Other document formats (such as
 * {@code "text/plain"}) do not include the notion of desired orientation within
 * the document data. In the latter case it is possible for the printer to bind
 * the desired orientation to the document data after it has been submitted. It
 * is expected that a printer would only support the
 * {@code OrientationRequested} attribute for some document formats (e.g.,
 * {@code "text/plain"} or {@code "text/html"}) but not others (e.g.
 * {@code "application/postscript"}). This is no different from any other job
 * template attribute, since a print job can always impose constraints among the
 * values of different job template attributes. However, a special mention is
 * made here since it is very likely that a printer will support the
 * {@code OrientationRequested} attribute for only a subset of the supported
 * document formats.
 * <p>
 * <b>IPP Compatibility:</b> The category name returned by {@code getName()} is
 * the IPP attribute name. The enumeration's integer value is the IPP enum
 * value. The {@code toString()} method returns the IPP string representation of
 * the attribute value.
 *
 * @author Alan Kaminsky
 */
public final class OrientationRequested extends EnumSyntax
    implements DocAttribute, PrintRequestAttribute, PrintJobAttribute {

    /**
     * Use serialVersionUID from JDK 1.4 for interoperability.
     */
    private static final long serialVersionUID = -4447437289862822276L;

    /**
     * The content will be imaged across the short edge of the medium.
     */
    public static final OrientationRequested
        PORTRAIT = new OrientationRequested(3);

    /**
     * The content will be imaged across the long edge of the medium. Landscape
     * is defined to be a rotation of the print-stream page to be imaged by +90
     * degrees with respect to the medium (i.e. anti-clockwise) from the
     * portrait orientation. <i>Note:</i> The +90 direction was chosen because
     * simple finishing on the long edge is the same edge whether portrait or
     * landscape.
     */
    public static final OrientationRequested
        LANDSCAPE = new OrientationRequested(4);

    /**
     * The content will be imaged across the long edge of the medium, but in the
     * opposite manner from landscape. Reverse-landscape is defined to be a
     * rotation of the print-stream page to be imaged by -90 degrees with
     * respect to the medium (i.e. clockwise) from the portrait orientation.
     * <i>Note:</i> The REVERSE_LANDSCAPE value was added because some
     * applications rotate landscape -90 degrees from portrait, rather than +90
     * degrees.
     */
    public static final OrientationRequested
        REVERSE_LANDSCAPE = new OrientationRequested(5);

    /**
     * The content will be imaged across the short edge of the medium, but in
     * the opposite manner from portrait. Reverse-portrait is defined to be a
     * rotation of the print-stream page to be imaged by 180 degrees with
     * respect to the medium from the portrait orientation. <i>Note:</i> The
     * REVERSE_PORTRAIT value was added for use with the
     * {@link Finishings Finishings} attribute in cases where the opposite edge
     * is desired for finishing a portrait document on simple finishing devices
     * that have only one finishing position. Thus a {@code "text/plain"}
     * portrait document can be stapled "on the right" by a simple finishing
     * device as is common use with some Middle Eastern languages such as
     * Hebrew.
     */
    public static final OrientationRequested
        REVERSE_PORTRAIT = new OrientationRequested(6);

    /**
     * Construct a new orientation requested enumeration value with the given
     * integer value.
     *
     * @param  value Integer value
     */
    protected OrientationRequested(int value) {
        super(value);
    }

    /**
     * The string table for class {@code OrientationRequested}.
     */
    private static final String[] myStringTable = {
        "portrait",
        "landscape",
        "reverse-landscape",
        "reverse-portrait"
    };

    /**
     * The enumeration value table for class {@code OrientationRequested}.
     */
    private static final OrientationRequested[] myEnumValueTable = {
        PORTRAIT,
        LANDSCAPE,
        REVERSE_LANDSCAPE,
        REVERSE_PORTRAIT
    };

    /**
     * Returns the string table for class {@code OrientationRequested}.
     */
    protected String[] getStringTable() {
        return myStringTable;
    }

    /**
     * Returns the enumeration value table for class
     * {@code OrientationRequested}.
     */
    protected EnumSyntax[] getEnumValueTable() {
        return myEnumValueTable;
    }

    /**
     * Returns the lowest integer value used by class
     * {@code OrientationRequested}.
     */
    protected int getOffset() {
        return 3;
    }

    /**

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