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Java > Open Source Codes > com > mchange > v2 > codegen > bean > CopyConstructorGeneratorExtension


1 /*
2  * Distributed as part of c3p0 v.0.9.1
3  *
4  * Copyright (C) 2005 Machinery For Change, Inc.
5  *
6  * Author: Steve Waldman <swaldman@mchange.com>
7  *
8  * This library is free software; you can redistribute it and/or modify
9  * it under the terms of the GNU Lesser General Public License version 2.1, as
10  * published by the Free Software Foundation.
11  *
12  * This software 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 Lesser General Public License for more details.
16  *
17  * You should have received a copy of the GNU Lesser General Public License
18  * along with this software; see the file LICENSE. If not, write to the
19  * Free Software Foundation, Inc., 59 Temple Place, Suite 330,
20  * Boston, MA 02111-1307, USA.
21  */
22
23
24 package com.mchange.v2.codegen.bean;
25
26 import java.util.*;
27 import java.lang.reflect.Modifier JavaDoc;
28 import java.io.IOException JavaDoc;
29 import com.mchange.v2.codegen.CodegenUtils;
30 import com.mchange.v2.codegen.IndentedWriter;
31
32 public class CopyConstructorGeneratorExtension implements GeneratorExtension
33 {
34     int ctor_modifiers = Modifier.PUBLIC;
35
36     public Collection extraGeneralImports()
37     { return Collections.EMPTY_SET; }
38
39     public Collection extraSpecificImports()
40     { return Collections.EMPTY_SET; }
41
42     public Collection extraInterfaceNames()
43     { return Collections.EMPTY_SET; }
44
45     public void generate(ClassInfo info, Class JavaDoc superclassType, Property[] props, Class JavaDoc[] propTypes, IndentedWriter iw)
46     throws IOException JavaDoc
47     {
48     iw.print( CodegenUtils.getModifierString( ctor_modifiers ) );
49     iw.print(" " + info.getClassName() + "( ");
50     iw.print( info.getClassName() + " copyMe" );
51     iw.println(" )");
52     iw.println("{");
53     iw.upIndent();
54
55     for (int i = 0, len = props.length; i < len; ++i)
56         {
57         String JavaDoc propGetterMethodCall;
58         if (propTypes[i] == boolean.class)
59             propGetterMethodCall = "is" + BeangenUtils.capitalize( props[i].getName() ) + "()";
60         else
61             propGetterMethodCall = "get" + BeangenUtils.capitalize( props[i].getName() ) + "()";
62         iw.println(props[i].getSimpleTypeName() + ' ' + props[i].getName() + " = copyMe." + propGetterMethodCall + ';');
63         iw.print("this." + props[i].getName() + " = ");
64         String JavaDoc setExp = props[i].getDefensiveCopyExpression();
65         if (setExp == null)
66             setExp = props[i].getName();
67         iw.println(setExp + ';');
68         }
69
70     iw.downIndent();
71     iw.println("}");
72     }
73 }
74
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