|
1
22
23
24 package com.mchange.v2.codegen.bean;
25
26 import java.util.*;
27 import java.io.IOException  ;
28 import com.mchange.v2.codegen.IndentedWriter;
29
30 public class CloneableExtension implements GeneratorExtension
31 {
32 boolean export_public;
33 boolean exception_swallowing;
34
35 String mLoggerName = null;
36
37 public boolean isExportPublic()
38 { return export_public; }
39
40 public void setExportPublic(boolean export_public)
41 { this.export_public = export_public; }
42
43 public boolean isExceptionSwallowing()
44 { return exception_swallowing; }
45
46 public void setExceptionSwallowing(boolean exception_swallowing)
47 { this.exception_swallowing = exception_swallowing; }
48
49 public String getMLoggerName()
50 { return mLoggerName; }
51
52 public void setMLoggerName( String mLoggerName )
53 { this.mLoggerName = mLoggerName; }
54
55 public CloneableExtension(boolean export_public, boolean exception_swallowing)
56 {
57 this.export_public = export_public;
58 this.exception_swallowing = exception_swallowing;
59 }
60
61 public CloneableExtension()
62 { this ( true, false ); }
63
64 public Collection extraGeneralImports()
65 { return (mLoggerName == null ? ((Collection) Collections.EMPTY_SET) : ((Collection) Arrays.asList( new String [] {"com.mchange.v2.log"} )) ); }
66
67 public Collection extraSpecificImports()
68 { return Collections.EMPTY_SET; }
69
70 public Collection extraInterfaceNames()
71 {
72 Set set = new HashSet();
73 set.add( "Cloneable" );
74 return set;
75 }
76
77 public void generate(ClassInfo info, Class superclassType, Property[] props, Class [] propTypes, IndentedWriter iw)
78 throws IOException
79 {
80 if (export_public)
81 {
82 iw.print("public Object clone()");
83 if ( !exception_swallowing )
84 iw.println(" throws CloneNotSupportedException");
85 else
86 iw.println();
87 iw.println("{");
88 iw.upIndent();
89 if ( exception_swallowing )
90 {
91 iw.println("try");
92 iw.println("{");
93 iw.upIndent();
94 }
95 iw.println( "return super.clone();" );
96 if ( exception_swallowing )
97 {
98 iw.downIndent();
99 iw.println("}");
100 iw.println("catch (CloneNotSupportedException e)");
101 iw.println("{");
102 iw.upIndent();
103 if (mLoggerName == null)
104 iw.println("e.printStackTrace();");
105 else
106 {
107 iw.println("if ( " + mLoggerName + ".isLoggable( MLevel.FINE ) )" );
108 iw.upIndent();
109 iw.println( mLoggerName + ".log( MLevel.FINE, \"Inconsistent clone() definitions between subclass and superclass! \", e );");
110 iw.downIndent();
111 }
112 iw.println("throw new RuntimeException(\"Inconsistent clone() definitions between subclass and superclass! \" + e);" );
113 iw.downIndent();
114 iw.println("}");
115 }
116
117 iw.downIndent();
118 iw.println("}");
119 }
120 }
122 }
123 |
Popular Tags |
Java API By Example, From Geeks To Geeks.