You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
122 lines
2.6 KiB
122 lines
2.6 KiB
/*
|
|
* Copyright (c) 2000, 2004, Oracle and/or its affiliates. All rights reserved.
|
|
* ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*/
|
|
|
|
|
|
package javax.print.attribute;
|
|
|
|
import java.io.Serializable;
|
|
import java.net.URI;
|
|
|
|
/**
|
|
* Class URISyntax is an abstract base class providing the common
|
|
* implementation of all attributes whose value is a Uniform Resource
|
|
* Identifier (URI). Once constructed, a URI attribute's value is immutable.
|
|
* <P>
|
|
*
|
|
* @author Alan Kaminsky
|
|
*/
|
|
public abstract class URISyntax implements Serializable, Cloneable {
|
|
|
|
private static final long serialVersionUID = -7842661210486401678L;
|
|
|
|
/**
|
|
* URI value of this URI attribute.
|
|
* @serial
|
|
*/
|
|
private URI uri;
|
|
|
|
/**
|
|
* Constructs a URI attribute with the specified URI.
|
|
*
|
|
* @param uri URI.
|
|
*
|
|
* @exception NullPointerException
|
|
* (unchecked exception) Thrown if <CODE>uri</CODE> is null.
|
|
*/
|
|
protected URISyntax(URI uri) {
|
|
this.uri = verify (uri);
|
|
}
|
|
|
|
private static URI verify(URI uri) {
|
|
if (uri == null) {
|
|
throw new NullPointerException(" uri is null");
|
|
}
|
|
return uri;
|
|
}
|
|
|
|
/**
|
|
* Returns this URI attribute's URI value.
|
|
* @return the URI.
|
|
*/
|
|
public URI getURI() {
|
|
return uri;
|
|
}
|
|
|
|
/**
|
|
* Returns a hashcode for this URI attribute.
|
|
*
|
|
* @return A hashcode value for this object.
|
|
*/
|
|
public int hashCode() {
|
|
return uri.hashCode();
|
|
}
|
|
|
|
/**
|
|
* Returns whether this URI 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 URISyntax.
|
|
* <LI>
|
|
* This URI attribute's underlying URI and <CODE>object</CODE>'s
|
|
* underlying URI are equal.
|
|
* </OL>
|
|
*
|
|
* @param object Object to compare to.
|
|
*
|
|
* @return True if <CODE>object</CODE> is equivalent to this URI
|
|
* attribute, false otherwise.
|
|
*/
|
|
public boolean equals(Object object) {
|
|
return(object != null &&
|
|
object instanceof URISyntax &&
|
|
this.uri.equals (((URISyntax) object).uri));
|
|
}
|
|
|
|
/**
|
|
* Returns a String identifying this URI attribute. The String is the
|
|
* string representation of the attribute's underlying URI.
|
|
*
|
|
* @return A String identifying this object.
|
|
*/
|
|
public String toString() {
|
|
return uri.toString();
|
|
}
|
|
|
|
}
|