1 package net_alchim31_maven_yuicompressor;
2
3 import java.io.File;
4 import java.io.FileInputStream;
5 import java.io.FileOutputStream;
6 import java.util.ArrayList;
7 import java.util.Arrays;
8 import java.util.List;
9
10 import org.codehaus.plexus.util.DirectoryScanner;
11 import org.codehaus.plexus.util.IOUtil;
12
13 public class Aggregation {
14 public File inputDir;
15 public File output;
16 public String[] includes;
17 public String[] excludes;
18 public boolean removeIncluded = false;
19 public boolean insertNewLine = false;
20 public boolean fixLastSemicolon = false;
21
22 public void run() throws Exception {
23 defineInputDir();
24 List<File> files = getIncludedFiles();
25 if (files.size() != 0) {
26 output = output.getCanonicalFile();
27 output.getParentFile().mkdirs();
28 FileOutputStream out = new FileOutputStream(output);
29 try {
30 for (File file : files) {
31 if (file.getCanonicalPath().equals(output.getCanonicalPath())) {
32 continue;
33 }
34 FileInputStream in = new FileInputStream(file);
35 try {
36 IOUtil.copy(in, out);
37 if (fixLastSemicolon) {
38 out.write(';');
39 }
40 if (insertNewLine) {
41 out.write('\n');
42 }
43 } finally {
44 IOUtil.close(in);
45 in = null;
46 }
47 if (removeIncluded) {
48 file.delete();
49 }
50 }
51 } finally {
52 IOUtil.close(out);
53 out = null;
54 }
55 }
56 }
57
58 private void defineInputDir() throws Exception {
59 if (inputDir == null) {
60 inputDir = output.getParentFile();
61 }
62 inputDir = inputDir.getCanonicalFile();
63 }
64
65 private List<File> getIncludedFiles() throws Exception {
66 ArrayList<File> back = new ArrayList<File>();
67 if (includes != null) {
68 for (String include : includes) {
69 addInto(include, back);
70 }
71 }
72 return back;
73 }
74
75 private void addInto(String include, List<File> includedFiles) throws Exception {
76 if (include.indexOf('*') > -1) {
77 DirectoryScanner scanner = newScanner();
78 scanner.setIncludes(new String[] { include });
79 scanner.scan();
80 String[] rpaths = scanner.getIncludedFiles();
81 Arrays.sort(rpaths);
82 for (String rpath : rpaths) {
83 File file = new File(scanner.getBasedir(), rpath);
84 if (!includedFiles.contains(file)) {
85 includedFiles.add(file);
86 }
87 }
88 } else {
89 File file = new File(include);
90 if (!file.isAbsolute()) {
91 file = new File(inputDir, include);
92 }
93 if (!includedFiles.contains(file)) {
94 includedFiles.add(file);
95 }
96 }
97 }
98
99 private DirectoryScanner newScanner() throws Exception {
100 DirectoryScanner scanner = new DirectoryScanner();
101 scanner.setBasedir(inputDir);
102 if ((excludes != null) && (excludes.length != 0)) {
103 scanner.setExcludes(excludes);
104 }
105 scanner.addDefaultExcludes();
106 return scanner;
107 }
108 }