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


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
28 import java.lang.reflect.Modifier JavaDoc;
29 import java.io.IOException JavaDoc;
30 import com.mchange.v2.codegen.CodegenUtils;
31 import com.mchange.v2.codegen.IndentedWriter;
32
33 public class PropertyMapConstructorGeneratorExtension implements GeneratorExtension
34 {
35     int ctor_modifiers = Modifier.PUBLIC;
36
37     public Collection extraGeneralImports()
38     { return Collections.EMPTY_SET; }
39
40     public Collection extraSpecificImports()
41     {
42     Set set = new HashSet();
43     set.add("java.util.Map");
44     return set;
45     }
46
47     public Collection extraInterfaceNames()
48     { return Collections.EMPTY_SET; }
49
50     public void generate(ClassInfo info, Class JavaDoc superclassType, Property[] props, Class JavaDoc[] propTypes, IndentedWriter iw)
51     throws IOException JavaDoc
52     {
53     iw.print( CodegenUtils.getModifierString( ctor_modifiers ) );
54     iw.print(' ' + info.getClassName() + "( Map map )");
55     iw.println("{");
56     iw.upIndent();
57
58     iw.println( "Object raw;" );
59     for (int i = 0, len = props.length; i < len; ++i)
60         {
61         Property prop = props[i];
62         String JavaDoc propName = prop.getName();
63         Class JavaDoc propType = propTypes[i];
64         iw.println("raw = map.get( \"" + propName + "\" );");
65         iw.println("if (raw != null)");
66         iw.println("{");
67         iw.upIndent();
68
69         iw.print("this." + propName + " = ");
70         if ( propType == boolean.class )
71             iw.println( "((Boolean) raw ).booleanValue();" );
72         else if ( propType == byte.class )
73             iw.println( "((Byte) raw ).byteValue();" );
74         else if ( propType == char.class )
75             iw.println( "((Character) raw ).charValue();" );
76         else if ( propType == short.class )
77             iw.println( "((Short) raw ).shortValue();" );
78         else if ( propType == int.class )
79             iw.println( "((Integer) raw ).intValue();" );
80         else if ( propType == long.class )
81             iw.println( "((Long) raw ).longValue();" );
82         else if ( propType == float.class )
83             iw.println( "((Float) raw ).floatValue();" );
84         else if ( propType == double.class )
85             iw.println( "((Double) raw ).doubleValue();" );
86         iw.println("raw = null;");
87
88         iw.downIndent();
89         iw.println("}");
90         }
91
92     iw.downIndent();
93     iw.println("}");
94     }
95 }
96
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