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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.example.gedcom;
30  
31  import java.util.Collections;
32  import java.util.List;
33  
34  import javax.xml.namespace.QName;
35  
36  import org.apache.tapestry.IPage;
37  import org.apache.tapestry.annotations.Bean;
38  import org.apache.tapestry.annotations.InjectObject;
39  import org.apache.tapestry.annotations.InjectPage;
40  import org.apache.tapestry.annotations.Persist;
41  import org.apache.tapestry.bean.EvenOdd;
42  import org.apache.tapestry.html.BasePage;
43  import org.openrdf.elmo.ElmoManager;
44  import org.openrdf.elmo.ElmoQuery;
45  
46  /**
47   * Search page for GEDCOM individuals.
48   * 
49   * @author James Leigh
50   * 
51   */
52  public abstract class Search extends BasePage {
53  
54  	private static final String FILTER_REGEX = "PREFIX gedcom: <http://www.daml.org/2001/01/gedcom/gedcom#> "
55  					+ "SELECT ?subj"
56  					+ " WHERE { ?subj gedcom:name ?name ."
57  					+ "     FILTER regex(str(?name), ?pattern, \"i\") }";
58  
59  	@InjectObject("service:elmo.sesame.ElmoManager")
60  	public abstract ElmoManager getBeanManager();
61  
62  	@Persist
63  	public abstract String getSearchName();
64  
65  	@InjectPage("gedcom/Individual")
66  	public abstract Individual getEditPage();
67  
68  	@Bean(EvenOdd.class)
69  	public abstract EvenOdd getEvenOdd();
70  
71  	public List<?> getResults() {
72  		String name = getSearchName();
73  		if (name == null || name.length() < 1)
74  			return Collections.EMPTY_LIST;
75  		ElmoQuery query = getBeanManager().createQuery(FILTER_REGEX);
76  		query.setParameter("pattern", name);
77  		return query.getResultList();
78  	}
79  
80  	public IPage doEdit(QName uri) {
81  		Individual page = getEditPage();
82  		page.setBean(getBeanManager().find(uri));
83  		return page;
84  	}
85  }