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
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
|
/*
* Copyright © 2010 Reinier Zwitserloot and Roel Spilker.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package lombok.bytecode;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import lombok.core.DiagnosticsReceiver;
import lombok.core.LombokApp;
import lombok.core.PostCompiler;
import org.mangosdk.spi.ProviderFor;
import com.zwitserloot.cmdreader.CmdReader;
import com.zwitserloot.cmdreader.Description;
import com.zwitserloot.cmdreader.InvalidCommandLineException;
import com.zwitserloot.cmdreader.Mandatory;
import com.zwitserloot.cmdreader.Sequential;
import com.zwitserloot.cmdreader.Shorthand;
@ProviderFor(LombokApp.class)
public class PostCompilerApp implements LombokApp {
@Override public List<String> getAppAliases() {
return Arrays.asList("post", "postcompile");
}
@Override public String getAppDescription() {
return "Runs registered post compiler handlers to against existing class files, modifying them in the process.";
}
@Override public String getAppName() {
return "post-compile";
}
public static class CmdArgs {
@Sequential
@Mandatory
@Description("paths to class files to be converted. If a directory is named, all files (recursively) in that directory will be converted.")
private List<String> classFiles = new ArrayList<String>();
@Shorthand("v")
@Description("Prints lots of status information as the post compiler runs")
boolean verbose = false;
@Shorthand({"h", "?"})
@Description("Shows this help text")
boolean help = false;
}
@Override public int runApp(List<String> raw) throws Exception {
CmdReader<CmdArgs> reader = CmdReader.of(CmdArgs.class);
CmdArgs args;
try {
args = reader.make(raw.toArray(new String[0]));
if (args.help) {
System.out.println(reader.generateCommandLineHelp("java -jar lombok.jar post-compile"));
return 0;
}
} catch (InvalidCommandLineException e) {
System.err.println(e.getMessage());
System.err.println(reader.generateCommandLineHelp("java -jar lombok.jar post-compile"));
return 1;
}
List<File> filesToProcess = new ArrayList<File>();
for (String f : args.classFiles) addFiles(filesToProcess, f);
int filesVisited = 0, filesTouched = 0;
for (File file : filesToProcess) {
if (!file.exists() || !file.isFile()) {
System.out.printf("Cannot find file '%s'\n", file);
continue;
}
filesVisited++;
if (args.verbose) System.out.println("Processing " + file.getAbsolutePath());
byte[] original = readFile(file);
byte[] clone = original.clone();
byte[] transformed = PostCompiler.applyTransformations(clone, file.toString(), DiagnosticsReceiver.CONSOLE);
if (clone != transformed && !Arrays.equals(clone, transformed)) {
filesTouched++;
if (args.verbose) System.out.println("Rewriting " + file.getAbsolutePath());
writeFile(file, transformed);
}
}
if (args.verbose) {
System.out.printf("Total files visited: %d total files changed: %d\n", filesVisited, filesTouched);
}
return filesVisited == 0 ? 1 : 0;
}
private void addFiles(List<File> filesToProcess, String f) {
File file = new File(f);
if (file.isDirectory()) {
addRecursively(filesToProcess, file);
} else {
filesToProcess.add(file);
}
}
private void addRecursively(List<File> filesToProcess, File file) {
for (File f : file.listFiles()) {
if (f.isDirectory()) addRecursively(filesToProcess, f);
else if (f.getName().endsWith(".class")) filesToProcess.add(f);
}
}
static byte[] readFile(File file) throws IOException {
byte[] buffer = new byte[1024];
ByteArrayOutputStream bytes = new ByteArrayOutputStream();
FileInputStream fileInputStream = new FileInputStream(file);
while (true) {
int read = fileInputStream.read(buffer);
if (read == -1) break;
bytes.write(buffer, 0, read);
}
fileInputStream.close();
return bytes.toByteArray();
}
static void writeFile(File file, byte[] transformed) throws IOException {
FileOutputStream out = new FileOutputStream(file);
out.write(transformed);
out.close();
}
}
|
