blob: 580fa08bd8c7b01a52da3c17ddfbb0edf186eacc (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
|
/* ____ ____ ____ ____ ______ *\
** / __// __ \/ __// __ \/ ____/ SOcos COmpiles Scala **
** __\_ \/ /_/ / /__/ /_/ /\_ \ (c) 2002, LAMP/EPFL **
** /_____/\____/\___/\____/____/ **
\* */
// $Id$
package meta.util;
import java.io.File;
/** A base class for file expanders. */
public abstract class AbstractFileExpander {
//########################################################################
// Private Constants
/** The meta package */
private static final String meta = "meta";
/** The meta name prefix */
private static final String Meta = "Meta";
//########################################################################
// Public Methods
/** Returns the TextWriter in which this expander writes. */
public abstract TextWriter getTextWriter();
/**
* Returns the package associated with this expander or null if
* there no such package. The default implementation returns the
* package of this instance's class. If the outermost package is
* named "meta", this package is omitted.
*/
public String getPackage() {
String fullname = getClass().getName();
int end = fullname.lastIndexOf('.');
if (end < 0) return null;
int start = fullname.startsWith(meta + ".") ? meta.length() + 1 : 0;
return fullname.substring(start, end);
}
/**
* Returns the name associated with this expander. The default
* implementation returns the name of this instance's class. If
* that name starts with "Meta", this prefix is omitted.
*/
public String getName() {
String fullname = getClass().getName();
int index = fullname.lastIndexOf('.');
String name = index < 0 ? fullname : fullname.substring(index + 1);
return name.startsWith(Meta) ? name.substring(Meta.length()) : name;
}
/**
* Returns the directory of the target file. The default
* implementation returns the directory corresponding to the
* this instance's associated package.
*/
public String getTargetDirectory() {
String peckage = getPackage();
return peckage == null ? "." : peckage.replace('.',File.separatorChar);
}
/**
* Returns the base name of the target file. The default
* implementation returns this instance's associated name.
*/
public String getTargetBaseName() {
return getName();
}
/**
* Returns the suffix of the target file or null if it has no
* suffix. The default implementation returns null.
*/
public String getTargetSuffix() {
return null;
}
/** Returns the target file. */
public File getTargetFile(File root) {
String suffix = getTargetSuffix();
String name = getTargetBaseName();
if (suffix != null) name = name + "." + suffix;
return new File(new File(root, getTargetDirectory()), name);
}
/**
* Returns the directory of the source file. The default
* implementation returns the directory of the target file.
*/
public String getSourceDirectory() {
return getTargetDirectory();
}
/**
* Returns the base name of the source file. The default
* implementation returns the target base name.
*/
public String getSourceBaseName() {
return getTargetBaseName();
}
/**
* Returns the suffix of the source file or null if it has no
* suffix. The default implementation returns the target suffix
* suffixed with ".tmpl".
*/
public String getSourceSuffix() {
String suffix = getTargetSuffix();
return (suffix == null ? "" : suffix + ".") + "tmpl";
}
/** Returns the source file. */
public File getSourceFile(File root) {
String suffix = getSourceSuffix();
String name = getSourceBaseName();
if (suffix != null) name = name + "." + suffix;
return new File(new File(root, getSourceDirectory()), name);
}
//########################################################################
}
|
