JobMessageFromOperator (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 JobMessageFromOperator

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

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

public final class JobMessageFromOperator
extends TextSyntax
implements PrintJobAttribute
extends TextSyntax
implements PrintJobAttribute

Class JobMessageFromOperator 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 the reasons for modification or other management action taken on a job.

A Print Job's attribute set includes zero instances or one instance of a JobMessageFromOperator attribute, not more than one instance. A new JobMessageFromOperator attribute replaces an existing JobMessageFromOperator attribute, if any. In other words, JobMessageFromOperator is not intended to be a history log. If it wishes, the client can detect changes to a Print Job's JobMessageFromOperator attribute and maintain the client's own history log of the JobMessageFromOperator attribute values.

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

JobMessageFromOperator(String message, Locale locale)
          Constructs a new job message from operator attribute with the given message and locale.

Method Summary

boolean equals(Object object)
          Returns whether this job message from operator 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
`JobMessageFromOperator(String message, Locale locale)` Constructs a new job message from operator attribute with the given message and locale.

Method Summary
`boolean`	`equals(Object object)` Returns whether this job message from operator 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

JobMessageFromOperator

public JobMessageFromOperator(String message,
                              Locale locale)

Constructs a new job message from operator attribute with the given message and locale.

Parameters:: message - Message.; 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 message is null.

Method Detail

equals

public boolean equals(Object object)

Returns whether this job message from operator 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 JobMessageFromOperator.
This job message from operator attribute's underlying string and object's underlying string are equal.
This job message from operator 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 job message from operator 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 JobMessageFromOperator, the category is class JobMessageFromOperator 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 JobMessageFromOperator, the category name is "job-message-from-operator".

Specified by:: getName in interface Attribute

Returns:: Attribute category name.