1 /*
2 * Copyright (c) 2007, James Leigh All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are met:
6 *
7 * - Redistributions of source code must retain the above copyright notice, this
8 * list of conditions and the following disclaimer.
9 * - Redistributions in binary form must reproduce the above copyright notice,
10 * this list of conditions and the following disclaimer in the documentation
11 * and/or other materials provided with the distribution.
12 * - Neither the name of the openrdf.org nor the names of its contributors may
13 * be used to endorse or promote products derived from this software without
14 * specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 *
28 */
29 package org.openrdf.elmo.sesame.converters.impl;
30
31 import java.util.Date;
32 import java.util.GregorianCalendar;
33
34 import javax.xml.datatype.DatatypeConfigurationException;
35 import javax.xml.datatype.DatatypeFactory;
36 import javax.xml.datatype.XMLGregorianCalendar;
37
38 import org.openrdf.elmo.sesame.converters.Marshall;
39 import org.openrdf.model.Literal;
40 import org.openrdf.model.URI;
41 import org.openrdf.model.ValueFactory;
42
43 public class DateMarshall implements Marshall<Date> {
44 private static final String DATATYPE = "java:" + Date.class.getName();
45
46 private ValueFactory vf;
47
48 private DatatypeFactory factory;
49
50 private URI datatype;
51
52 public DateMarshall(ValueFactory vf) throws DatatypeConfigurationException {
53 this.vf = vf;
54 factory = DatatypeFactory.newInstance();
55 datatype = vf.createURI(DATATYPE);
56 }
57
58 public Class<Date> getJavaClass() {
59 return Date.class;
60 }
61
62 public URI getDatatype() {
63 return datatype;
64 }
65
66 public void setDatatype(URI datatype) {
67 this.datatype = datatype;
68 }
69
70 public Date deserialize(Literal literal) {
71 String label = literal.getLabel();
72 XMLGregorianCalendar gc = factory.newXMLGregorianCalendar(label);
73 return gc.toGregorianCalendar().getTime();
74 }
75
76 public Literal serialize(Date object) {
77 GregorianCalendar gc = new GregorianCalendar(0, 0, 0);
78 gc.setTime(object);
79 String label = factory.newXMLGregorianCalendar(gc).toXMLFormat();
80 return vf.createLiteral(label, datatype);
81 }
82 }