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Java > Open Source Codes > org > objectweb > jorm > generator > lib > CommonGenerator


1 /**
2  * JORM: an implementation of a generic mapping system for persistent Java
3  * objects. Two mapping are supported: to RDBMS and to binary files.
4  * Copyright (C) 2001-2003 France Telecom R&D - INRIA
5  *
6  * This library is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2 of the License, or (at your option) any later version.
10  *
11  * This library is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with this library; if not, write to the Free Software
18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19  *
20  * Contact: jorm-team@objectweb.org
21  *
22  */
23
24 package org.objectweb.jorm.generator.lib;
25
26 import org.apache.velocity.Template;
27 import org.apache.velocity.app.VelocityEngine;
28 import org.objectweb.jorm.util.api.Loggable;
29 import org.objectweb.util.monolog.api.Logger;
30 import org.objectweb.util.monolog.api.LoggerFactory;
31
32 /**
33  * This class contains the common elements for generating jorm objects (mapping,
34  * binding, accessors).
35  */
36 public abstract class CommonGenerator extends CommonHelper implements Loggable {
37     /**
38      * The base directory where to find velocity template.
39      */
40     public static final String JavaDoc MAPPER_TEMPLATE_DIR =
41             "org/objectweb/jorm/mapper/";
42     public static final String JavaDoc GEN_TEMPLATE_DIR =
43             "org/objectweb/jorm/generator/lib/";
44
45     /**
46      * The logger instance which logs the traces of the generator.
47      */
48     protected Logger logger = null;
49
50     /**
51      * The logger factory instance which permits to fetch Logger instance.
52      */
53     protected LoggerFactory loggerFactory = null;
54
55     protected VelocityEngine velocityEngine = null;
56
57     /**
58      * The main velocity template for the generator
59      */
60     protected Template template = null;
61     
62     // IMPLEMENTATION OF METHODS FROM THE Loggable INTERFACE
63
64     public void setLoggerFactory(LoggerFactory lf) {
65         if (logger == null && lf != null)
66             logger = lf.getLogger(getClass().getName());
67         loggerFactory = lf;
68     }
69
70     public void setLogger(Logger l) {
71         logger = l;
72     }
73
74     public Logger getLogger() {
75         return logger;
76     }
77
78     public LoggerFactory getLoggerFactory() {
79         return loggerFactory;
80     }
81
82     // ABSTRACT METHODS
83
84     public void setVelocityEngine(VelocityEngine ve) {
85         velocityEngine = ve;
86     }
87
88     public String JavaDoc[][] getTemplateLibraries() {
89         return new String JavaDoc[0][];
90     }
91 }
92
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