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Java > Open Source Codes > com > hp > hpl > jena > rdf > arp > URIReference


1 /*
2  * (c) Copyright 2001, 2002, 2003, 2004, 2005 Hewlett-Packard Development Company, LP
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  * notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  * notice, this list of conditions and the following disclaimer in the
12  * documentation and/or other materials provided with the distribution.
13  * 3. The name of the author may not be used to endorse or promote products
14  * derived from this software without specific prior written permission.
15
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26  
27  * * $Id: URIReference.java,v 1.8 2005/02/21 12:09:17 andy_seaborne Exp $
28    
29    AUTHOR: Jeremy J. Carroll
30 */
31 /*
32  * URIReference.java
33  *
34  * Created on June 25, 2001, 9:58 PM
35  */
36
37 package com.hp.hpl.jena.rdf.arp;
38
39
40
41
42 /**
43  *
44  * @author jjc
45  
46  */
47 class URIReference implements AResourceInternal
48 {
49
50     
51     /** Creates new URIReference */
52     final private String JavaDoc uri;
53     URIReference(Location l, XMLContext ctxt,String JavaDoc uri) throws MalformedURIException, ParseException {
54         
55 // this.uri = new URI(ctxt.getURI(),URIref.encode(uri));
56 this.uri = ctxt.resolve(l, uri);
57     }
58     URIReference(String JavaDoc uri) throws MalformedURIException {
59 // this.uri = new URI(URIref.encode(uri));
60 this.uri = new URI(uri).getURIString();
61     }
62     URIReference() {
63         uri = null;
64     }
65     public String JavaDoc toString() {
66         return uri;
67     }
68
69     public boolean isAnonymous() {
70         return false;
71     }
72     
73     public String JavaDoc getAnonymousID() {
74         return null;
75     }
76     
77     public String JavaDoc getURI() {
78         return uri;
79     }
80     
81     public Object JavaDoc getUserData() {
82         throw new IllegalStateException JavaDoc("User data only supported on blank nodes");
83     }
84     
85     public void setUserData(Object JavaDoc d) {
86         throw new IllegalStateException JavaDoc("User data only supported on blank nodes");
87     }
88     /**
89      * Does not compare userData field, only URI.
90      */
91     public boolean equals(Object JavaDoc o) {
92         return o != null
93         && (o instanceof URIReference)
94         && uri.equals(((URIReference)o).uri );
95     }
96     
97     public int hashCode() {
98         return uri.hashCode();
99     }
100     /* (non-Javadoc)
101      * @see com.hp.hpl.jena.rdf.arp.AResource#hasNodeID()
102      */
103     public boolean hasNodeID() {
104         return false;
105     }
106     /* (non-Javadoc)
107      * @see com.hp.hpl.jena.rdf.arp.AResourceInternal#setHasBeenUsed()
108      */
109     public void setHasBeenUsed() {
110     }
111     /* (non-Javadoc)
112      * @see com.hp.hpl.jena.rdf.arp.AResourceInternal#getHasBeenUsed()
113      */
114     public boolean getHasBeenUsed() {
115         throw new UnsupportedOperationException JavaDoc("Internal error");
116     }
117 }
118
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