?? printermessagefromoperator.java
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/* * @(#)PrinterMessageFromOperator.java 1.9 04/05/05 * * Copyright 2004 Sun Microsystems, Inc. All rights reserved. * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms. */package javax.print.attribute.standard;import java.util.Locale;import javax.print.attribute.Attribute;import javax.print.attribute.TextSyntax;import javax.print.attribute.PrintServiceAttribute;/** * Class PrinterMessageFromOperator is a printing attribute class, a text * attribute, that provides a message from an operator, system administrator, * or "intelligent" process to indicate to the end user information about or * status of the printer, such as why it is unavailable or when it is * expected to be available. * <P> * A Print Service's attribute set includes zero instances or one instance of * a * PrinterMessageFromOperator attribute, not more than one instance. A new * PrinterMessageFromOperator attribute replaces an existing * PrinterMessageFromOperator attribute, if any. In other words, * PrinterMessageFromOperator is not intended to be a history log. * If it wishes, the client can detect changes to a Print Service's * PrinterMessageFromOperator * attribute and maintain the client's own history log of the * PrinterMessageFromOperator attribute values. * <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()</CODE> gives the IPP attribute name. * <P> * * @author Alan Kaminsky */public final class PrinterMessageFromOperator extends TextSyntax implements PrintServiceAttribute { static final long serialVersionUID = -4486871203218629318L; /** * Constructs a new printer message from operator attribute with the * given message and locale. * * @param message Message. * @param locale Natural language of the text string. null * is interpreted to mean the default locale as returned * by <code>Locale.getDefault()</code> * * @exception NullPointerException * (unchecked exception) Thrown if <CODE>message</CODE> is null. */ public PrinterMessageFromOperator(String message, Locale locale) { super (message, locale); } /** * Returns whether this printer message from operator 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</CODE> is not null. * <LI> * <CODE>object</CODE> is an instance of class * PrinterMessageFromOperator. * <LI> * This printer message from operator attribute's underlying string and * <CODE>object</CODE>'s underlying string are equal. * <LI> * This printer message from operator attribute's locale and * <CODE>object</CODE>'s locale are equal. * </OL> * * @param object Object to compare to. * * @return True if <CODE>object</CODE> is equivalent to this printer * message from operator attribute, false otherwise. */ public boolean equals(Object object) { return (super.equals(object) && object instanceof PrinterMessageFromOperator); } /** * Get the printing attribute class which is to be used as the "category" * for this printing attribute value. * <P> * For class PrinterMessageFromOperator, * the category is class PrinterMessageFromOperator itself. * * @return Printing attribute class (category), an instance of class * {@link java.lang.Class java.lang.Class}. */ public final Class<? extends Attribute> getCategory() { return PrinterMessageFromOperator.class; } /** * Get the name of the category of which this attribute value is an * instance. * <P> * For class PrinterMessageFromOperator, * the category name is <CODE>"printer-message-from-operator"</CODE>. * * @return Attribute category name. */ public final String getName() { return "printer-message-from-operator"; }}
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