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124 lines
3.4 KiB
124 lines
3.4 KiB
/*
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* Copyright (c) 2000, 2004, Oracle and/or its affiliates. All rights reserved.
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* ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*/
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package javax.print.attribute.standard;
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import javax.print.attribute.Attribute;
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import javax.print.attribute.DocAttribute;
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import javax.print.attribute.EnumSyntax;
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import javax.print.attribute.PrintRequestAttribute;
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import javax.print.attribute.PrintJobAttribute;
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/**
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* Class Media is a printing attribute class that specifies the
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* medium on which to print.
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* <p>
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* Media may be specified in different ways.
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* <ul>
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* <li> it may be specified by paper source - eg paper tray
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* <li> it may be specified by a standard size - eg "A4"
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* <li> it may be specified by a name - eg "letterhead"
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* </ul>
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* Each of these corresponds to the IPP "media" attribute.
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* The current API does not support describing media by characteristics
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* (eg colour, opacity).
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* This may be supported in a later revision of the specification.
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* <p>
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* A Media object is constructed with a value which represents
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* one of the ways in which the Media attribute can be specified.
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* <p>
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* <B>IPP Compatibility:</B> The category name returned by
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* <CODE>getName()</CODE> is the IPP attribute name. The enumeration's
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* integer value is the IPP enum value. The <code>toString()</code> method
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* returns the IPP string representation of the attribute value.
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* <P>
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*
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* @author Phil Race
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*/
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public abstract class Media extends EnumSyntax
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implements DocAttribute, PrintRequestAttribute, PrintJobAttribute {
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private static final long serialVersionUID = -2823970704630722439L;
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/**
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* Constructs a new media attribute specified by name.
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*
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* @param value a value
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*/
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protected Media(int value) {
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super (value);
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}
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/**
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* Returns whether this media attribute is equivalent to the passed in
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* object. To be equivalent, all of the following conditions must be true:
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* <OL TYPE=1>
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* <LI>
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* <CODE>object</CODE> is not null.
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* <LI>
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* <CODE>object</CODE> is of the same subclass of Media as this object.
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* <LI>
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* The values are equal.
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* </OL>
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*
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* @param object Object to compare to.
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*
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* @return True if <CODE>object</CODE> is equivalent to this media
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* attribute, false otherwise.
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*/
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public boolean equals(Object object) {
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return(object != null && object instanceof Media &&
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object.getClass() == this.getClass() &&
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((Media)object).getValue() == this.getValue());
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}
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/**
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* Get the printing attribute class which is to be used as the "category"
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* for this printing attribute value.
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* <P>
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* For class Media and any vendor-defined subclasses, the category is
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* class Media itself.
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*
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* @return Printing attribute class (category), an instance of class
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* {@link java.lang.Class java.lang.Class}.
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*/
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public final Class<? extends Attribute> getCategory() {
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return Media.class;
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}
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/**
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* Get the name of the category of which this attribute value is an
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* instance.
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* <P>
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* For class Media and any vendor-defined subclasses, the category name is
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* <CODE>"media"</CODE>.
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*
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* @return Attribute category name.
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*/
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public final String getName() {
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return "media";
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}
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}
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