PrinterInfo (Java Platform SE 6) - JDK 5 Documentation v6.0, Java 2 SDK 英文文档

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Java™ Platform
Standard Ed. 6

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javax.print.attribute.standard
Class PrinterInfo

java.lang.Object
  javax.print.attribute.TextSyntax
      javax.print.attribute.standard.PrinterInfo

All Implemented Interfaces:: Serializable, Cloneable, Attribute, PrintServiceAttribute

public final class PrinterInfo
extends TextSyntax
implements PrintServiceAttribute
extends TextSyntax
implements PrintServiceAttribute

Class PrinterInfo is a printing attribute class, a text attribute, that provides descriptive information about a printer. This could include things like: "This printer can be used for printing color transparencies for HR presentations", or "Out of courtesy for others, please print only small (1-5 page) jobs at this printer", or even \ "This printer is going away on July 1, 1997, please find a new printer".

IPP Compatibility: The string value gives the IPP name value. The locale gives the IPP natural language. The category name returned by getName() gives the IPP attribute name.

See Also:: Serialized Form

Constructor Summary

PrinterInfo(String info, Locale locale)
          Constructs a new printer info attribute with the given information string and locale.

Method Summary

boolean equals(Object object)
          Returns whether this printer info attribute is equivalent to the passed in object.

Class<? extends Attribute> getCategory()
          Get the printing attribute class which is to be used as the "category" for this printing attribute value.

String getName()
          Get the name of the category of which this attribute value is an instance.

Methods inherited from class javax.print.attribute.TextSyntax

getLocale, getValue, hashCode, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Summary
`PrinterInfo(String info, Locale locale)` Constructs a new printer info attribute with the given information string and locale.

Method Summary
`boolean`	`equals(Object object)` Returns whether this printer info attribute is equivalent to the passed in object.
`Class<? extends Attribute>`	`getCategory()` Get the printing attribute class which is to be used as the "category" for this printing attribute value.
`String`	`getName()` Get the name of the category of which this attribute value is an instance.

Methods inherited from class javax.print.attribute.TextSyntax
`getLocale, getValue, hashCode, toString`

Methods inherited from class java.lang.Object
`clone, finalize, getClass, notify, notifyAll, wait, wait, wait`

Constructor Detail

PrinterInfo

public PrinterInfo(String info,
                   Locale locale)

Constructs a new printer info attribute with the given information string and locale.

Parameters:: info - Printer information string.; locale - Natural language of the text string. null is interpreted to mean the default locale as returned by Locale.getDefault()
Throws:: NullPointerException - (unchecked exception) Thrown if info is null.

Method Detail

equals

public boolean equals(Object object)

Returns whether this printer info attribute is equivalent to the passed in object. To be equivalent, all of the following conditions must be true:

object is not null.
object is an instance of class PrinterInfo.
This printer info attribute's underlying string and object's underlying string are equal.
This printer info attribute's locale and object's locale are equal.

Overrides:: equals in class TextSyntax

Parameters:: object - Object to compare to.
Returns:: True if object is equivalent to this printer info attribute, false otherwise.
See Also:: Object.hashCode(), Hashtable

getCategory

public final Class<? extends Attribute> getCategory()

Get the printing attribute class which is to be used as the "category" for this printing attribute value.

For class PrinterInfo, the category is class PrinterInfo itself.

Specified by:: getCategory in interface Attribute

Returns:: Printing attribute class (category), an instance of class java.lang.Class.

getName

public final String getName()

Get the name of the category of which this attribute value is an instance.

For class PrinterInfo, the category name is "printer-info".

Specified by:: getName in interface Attribute

Returns:: Attribute category name.