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.sql.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 import org.openrdf.model.impl.URIImpl;
43
44 public class SqlDateMarshall implements Marshall<Date> {
45 private static final URI DATATYPE = new URIImpl("java:"
46 + Date.class.getName());
47
48 private ValueFactory vf;
49
50 private DatatypeFactory factory;
51
52 private URI datatype = DATATYPE;
53
54 public SqlDateMarshall(ValueFactory vf)
55 throws DatatypeConfigurationException {
56 this.vf = vf;
57 factory = DatatypeFactory.newInstance();
58 }
59
60 public Class<Date> getJavaClass() {
61 return Date.class;
62 }
63
64 public URI getDatatype() {
65 return datatype;
66 }
67
68 public void setDatatype(URI datatype) {
69 this.datatype = datatype;
70 }
71
72 public Date deserialize(Literal literal) {
73 String label = literal.getLabel();
74 XMLGregorianCalendar gc = factory.newXMLGregorianCalendar(label);
75 return new Date(gc.toGregorianCalendar().getTimeInMillis());
76 }
77
78 public Literal serialize(Date object) {
79 GregorianCalendar gc = new GregorianCalendar(0, 0, 0);
80 gc.setTime(object);
81 String label = factory.newXMLGregorianCalendar(gc).toXMLFormat();
82 return vf.createLiteral(label, datatype);
83 }
84 }