1 //----------------------------------------------------------------------
2 //
3 // PerfectJPattern: "Design patterns are good but components are better!"
4 // SimpleFinderNamingStrategy.java Copyright (c) 2009 Giovanni Azua Garcia
5 // bravegag@hotmail.com
6 //
7 // This program is free software; you can redistribute it and/or
8 // modify it under the terms of the GNU General Public License
9 // as published by the Free Software Foundation; either version 3
10 // of the License, or (at your option) any later version.
11 //
12 // This program is distributed in the hope that it will be useful,
13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 // GNU General Public License for more details.
16 //
17 // You should have received a copy of the GNU General Public License
18 // along with this program; if not, see <http://www.gnu.org/licenses/>.
19 //
20 //----------------------------------------------------------------------
21 package org.perfectjpattern.jee.integration.dao;
22
23 import java.lang.reflect.Method;
24
25 import org.apache.commons.lang.Validate;
26 import org.perfectjpattern.jee.api.integration.dao.*;
27
28
29 /**
30 * Concrete basic implementation of {@link IFinderNamingStrategy}
31 *
32 * @author <a href="mailto:bravegag@hotmail.com">Giovanni Azua</a>
33 * @version $ $Date: Nov 6, 2008 1:32:07 PM $
34 */
35 class SimpleFinderNamingStrategy
36 implements IFinderNamingStrategy
37 {
38 //------------------------------------------------------------------------
39 // public
40 //------------------------------------------------------------------------
41 /**
42 * {@inheritDoc}
43 */
44 public String
45 getQueryName(Class<?> aClass, Method aMethod)
46 throws IllegalArgumentException
47 {
48 Validate.notNull(aClass, "'aClass' must not be null");
49 Validate.notNull(aMethod, "'aMethod' must not be null");
50
51 String myMethodName = aMethod.getName();
52 String myMethodPart = myMethodName;
53
54 assert myMethodName.startsWith("findBy") : "Finder methods must " +
55 "comply with 'findBy' naming convention";
56
57 return aClass.getSimpleName() + "." + myMethodPart;
58 }
59 }