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Diff Revisions 182 vs 287 for /trunk/Java/ScarPlus/src/com/esotericsoftware/wildcard/RegexScanner.java

Diff revisions: vs.
  @@ -1,82 +1,117 @@
1 1 package com.esotericsoftware.wildcard;
2 2
3 -
4 -
5 - import java.io.File;
6 - import java.io.IOException;
7 - import java.util.ArrayList;
8 - import java.util.Iterator;
9 - import java.util.List;
3 + import java.io.*;
4 + import java.util.*;
10 5 import java.util.regex.Pattern;
11 6
12 - class RegexScanner {
13 - private final File rootDir;
14 - private final List<Pattern> includePatterns;
15 - private final List<String> matches = new ArrayList(128);
16 -
17 - public RegexScanner (File rootDir, List<String> includes, List<String> excludes) {
18 - if (rootDir == null) throw new IllegalArgumentException("rootDir cannot be null.");
19 - if (!rootDir.exists()) throw new IllegalArgumentException("Directory does not exist: " + rootDir);
20 - if (!rootDir.isDirectory()) throw new IllegalArgumentException("File must be a directory: " + rootDir);
21 - try {
22 - rootDir = rootDir.getCanonicalFile();
23 - } catch (IOException ex) {
24 - throw new RuntimeException("OS error determining canonical path: " + rootDir, ex);
25 - }
26 - this.rootDir = rootDir;
27 -
28 - if (includes == null) throw new IllegalArgumentException("includes cannot be null.");
29 - if (excludes == null) throw new IllegalArgumentException("excludes cannot be null.");
30 -
31 - includePatterns = new ArrayList();
32 - for (String include : includes)
33 - includePatterns.add(Pattern.compile(include, Pattern.CASE_INSENSITIVE));
34 -
35 - List<Pattern> excludePatterns = new ArrayList();
36 - for (String exclude : excludes)
37 - excludePatterns.add(Pattern.compile(exclude, Pattern.CASE_INSENSITIVE));
38 -
39 - scanDir(rootDir);
40 -
41 - for (Iterator matchIter = matches.iterator(); matchIter.hasNext();) {
42 - String filePath = (String)matchIter.next();
43 - for (Pattern exclude : excludePatterns)
44 - if (exclude.matcher(filePath).matches()) matchIter.remove();
45 - }
46 - }
47 -
48 - private void scanDir (File dir) {
49 - for (File file : dir.listFiles()) {
50 - for (Pattern include : includePatterns) {
51 - String filePath = file.getPath().substring(rootDir.getPath().length() + 1);
52 - if (include.matcher(filePath).matches()) {
53 - matches.add(filePath);
54 - break;
55 - }
56 - }
57 - if (file.isDirectory()) scanDir(file);
58 - }
59 - }
60 -
61 - public List<String> matches () {
62 - return matches;
63 - }
64 -
65 - public File rootDir () {
66 - return rootDir;
67 - }
68 -
69 - public static void main (String[] args) {
70 - // System.out.println(new Paths("C:\\Java\\ls", "**"));
71 - List<String> includes = new ArrayList();
72 - includes.add("core[^T]+php");
73 - // includes.add(".*/lavaserver/.*");
74 - List<String> excludes = new ArrayList();
75 - // excludes.add("website/**/doc**");
76 - long start = System.nanoTime();
77 - List<String> files = new RegexScanner(new File("..\\website\\includes"), includes, excludes).matches();
78 - long end = System.nanoTime();
79 - System.out.println(files.toString().replaceAll(", ", "\n").replaceAll("[\\[\\]]", ""));
80 - System.out.println((end - start) / 1000000f);
81 - }
7 + class RegexScanner
8 + {
9 + private final File rootDir;
10 + private final List<Pattern> includePatterns;
11 + private final List<String> matches = new ArrayList( 128 );
12 +
13 + public RegexScanner( File rootDir, List<String> includes, List<String> excludes )
14 + {
15 + if ( rootDir == null )
16 + {
17 + throw new IllegalArgumentException( "rootDir cannot be null." );
18 + }
19 + if ( !rootDir.exists() )
20 + {
21 + throw new IllegalArgumentException( "Directory does not exist: " + rootDir );
22 + }
23 + if ( !rootDir.isDirectory() )
24 + {
25 + throw new IllegalArgumentException( "File must be a directory: " + rootDir );
26 + }
27 + try
28 + {
29 + rootDir = rootDir.getCanonicalFile();
30 + }
31 + catch ( IOException ex )
32 + {
33 + throw new RuntimeException( "OS error determining canonical path: " + rootDir, ex );
34 + }
35 + this.rootDir = rootDir;
36 +
37 + if ( includes == null )
38 + {
39 + throw new IllegalArgumentException( "includes cannot be null." );
40 + }
41 + if ( excludes == null )
42 + {
43 + throw new IllegalArgumentException( "excludes cannot be null." );
44 + }
45 +
46 + includePatterns = new ArrayList();
47 + for ( String include : includes )
48 + {
49 + includePatterns.add( Pattern.compile( include, Pattern.CASE_INSENSITIVE ) );
50 + }
51 +
52 + List<Pattern> excludePatterns = new ArrayList();
53 + for ( String exclude : excludes )
54 + {
55 + excludePatterns.add( Pattern.compile( exclude, Pattern.CASE_INSENSITIVE ) );
56 + }
57 +
58 + scanDir( rootDir );
59 +
60 + for ( Iterator matchIter = matches.iterator(); matchIter.hasNext(); )
61 + {
62 + String filePath = (String) matchIter.next();
63 + for ( Pattern exclude : excludePatterns )
64 + {
65 + if ( exclude.matcher( filePath ).matches() )
66 + {
67 + matchIter.remove();
68 + }
69 + }
70 + }
71 + }
72 +
73 + private void scanDir( File dir )
74 + {
75 + for ( File file : dir.listFiles() )
76 + {
77 + for ( Pattern include : includePatterns )
78 + {
79 + String filePath = file.getPath().substring( rootDir.getPath().length() + 1 );
80 + if ( include.matcher( filePath ).matches() )
81 + {
82 + matches.add( filePath );
83 + break;
84 + }
85 + }
86 + if ( file.isDirectory() )
87 + {
88 + scanDir( file );
89 + }
90 + }
91 + }
92 +
93 + public List<String> matches()
94 + {
95 + return matches;
96 + }
97 +
98 + public File rootDir()
99 + {
100 + return rootDir;
101 + }
102 +
103 + public static void main( String[] args )
104 + {
105 + // System.out.println(new Paths("C:\\Java\\ls", "**"));
106 + List<String> includes = new ArrayList();
107 + includes.add( "core[^T]+php" );
108 + // includes.add(".*/lavaserver/.*");
109 + List<String> excludes = new ArrayList();
110 + // excludes.add("website/**/doc**");
111 + long start = System.nanoTime();
112 + List<String> files = new RegexScanner( new File( "..\\website\\includes" ), includes, excludes ).matches();
113 + long end = System.nanoTime();
114 + System.out.println( files.toString().replaceAll( ", ", "\n" ).replaceAll( "[\\[\\]]", "" ) );
115 + System.out.println( (end - start) / 1000000f );
116 + }
82 117 }

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