01: /*
02: * (c) Copyright 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008 Hewlett-Packard Development Company, LP
03: * All rights reserved.
04: *
05: * Redistribution and use in source and binary forms, with or without
06: * modification, are permitted provided that the following conditions
07: * are met:
08: * 1. Redistributions of source code must retain the above copyright
09: * 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: ALiteral.java,v 1.9 2008/01/02 12:06:46 andy_seaborne Exp $
28: AUTHOR: Jeremy J. Carroll
29: */
30: /*
31: * ALiteral.java
32: *
33: * Created on June 26, 2001, 9:27 AM
34: */
35:
36: package com.hp.hpl.jena.rdf.arp;
37:
38: import com.hp.hpl.jena.rdf.arp.impl.ANode;
39:
40: /**
41: * A string literal property value from an RDF/XML file.
42: * @author jjc
43: */
44: public interface ALiteral extends ANode {
45: /** True if this literal was formed from a rdf:parseType="Literal" construction.
46: * @return true for rdf:parseType="Literal" or any other unrecognised parseType.
47: */
48: public boolean isWellFormedXML();
49:
50: // Usually null, maybe "Literal" or something else.
51: /** When <CODE>isWellFormedXML()</CODE> is true, this returns the value of the <I>rdf:parseType</I> attribute, usually "Literal".
52: * Otherwise <B>null</B> is returned.
53: * @return The <I>parseType</I> for well formed XML, or <B>null</B> for normal literals.
54: */
55: public String getParseType();
56:
57: /**
58: * The datatype URI of a typed literal, or null
59: * for an untyped literal.
60: * @return the URI as a String, or null
61: */
62: public String getDatatypeURI();
63:
64: /** The string value of the literal.
65: * @return The string.
66: */
67: public String toString();
68:
69: // never null - maybe ""
70: /** The value of xml:lang for this literal, often the empty string.
71: * @return xml:lang.
72: */
73: public String getLang();
74: }
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