Destination (Java 2 Platform SE 5.0) - JDK 5 Documentation v1.5.0, Java 2 SDK 英文文档

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Java^TM 2 Platform
Standard Ed. 5.0

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javax.print.attribute.standard
Class Destination

java.lang.Object
  javax.print.attribute.URISyntax
      javax.print.attribute.standard.Destination

All Implemented Interfaces:: Serializable, Cloneable, Attribute, PrintJobAttribute, PrintRequestAttribute

public final class Destination
extends URISyntax
implements PrintJobAttribute, PrintRequestAttribute
extends URISyntax
implements PrintJobAttribute, PrintRequestAttribute

Class Destination is a printing attribute class, a URI, that is used to indicate an alternate destination for the spooled printer formatted data. Many PrintServices will not support the notion of a destination other than the printer device, and so will not support this attribute.

A common use for this attribute will be applications which want to redirect output to a local disk file : eg."file:out.prn". Note that proper construction of "file:" scheme URI instances should be performed using the toURI() method of class File. See the documentation on that class for more information.

If a destination URI is specified in a PrintRequest and it is not accessible for output by the PrintService, a PrintException will be thrown. The PrintException may implement URIException to provide a more specific cause.

IPP Compatibility: Destination is not an IPP attribute.

See Also:: Serialized Form

Constructor Summary

Destination(URI uri)
          Constructs a new destination attribute with the specified URI.

Method Summary

boolean equals(Object object)
          Returns whether this destination 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.URISyntax

getURI, hashCode, toString

Methods inherited from class java.lang.Object

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

Constructor Summary
`Destination(URI uri)` Constructs a new destination attribute with the specified URI.

Method Summary
`boolean`	`equals(Object object)` Returns whether this destination 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.URISyntax
`getURI, hashCode, toString`

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

Constructor Detail

Destination

public Destination(URI uri)

Constructs a new destination attribute with the specified URI.

Parameters:: uri - URI.
Throws:: NullPointerException - (unchecked exception) Thrown if uri is null.

Method Detail

equals

public boolean equals(Object object)

Returns whether this destination 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 Destination.
This destination attribute's URI and object's URI are equal.

Overrides:: equals in class URISyntax

Parameters:: object - Object to compare to.
Returns:: True if object is equivalent to this destination 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 Destination, the category is class Destination 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 Destination, the category name is "spool-data-destination".

Specified by:: getName in interface Attribute

Returns:: Attribute category name.