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1
32
33 package com.jeantessier.diff;
34
35 import java.io.*;
36 import java.util.*;
37
38 import org.apache.oro.text.perl.*;
39
40 public class PackageValidator implements Validator {
41 private static final Perl5Util perl = new Perl5Util();
42
43 private Collection allowedPackages = new HashSet();
44
45 public PackageValidator(String  filename) throws IOException {
46 try {
47 init(new BufferedReader(new InputStreamReader(new FileInputStream(filename))));
48 } catch (FileNotFoundException ex) {
49 }
51 }
52
53 public PackageValidator(BufferedReader in) throws IOException {
54 init(in);
55 }
56
57 private void init(BufferedReader in) throws IOException {
58 try {
59 String line;
60 while ((line = in.readLine()) != null) {
61 if (line.length() > 0) {
62 allowedPackages.add(line.trim());
63 }
64 }
65 } catch (FileNotFoundException ex) {
66 } finally {
68 if (in != null) {
69 in.close();
70 }
71 }
72 }
73
74 public boolean isPackageAllowed(String name) {
75 return isAllowed(name);
76 }
77
78 public boolean isClassAllowed(String name) {
79 String packageName = "";
80 int pos = name.lastIndexOf('.');
81 if (pos != -1) {
82 packageName = name.substring(0, pos);
83 }
84
85 return isPackageAllowed(packageName);
86 }
87
88 public boolean isFeatureAllowed(String name) {
89 boolean result = false;
90
91 String className = "";
92 synchronized (perl) {
93 if (perl.match("/^(.+)\\.[^\\.]+\\(.*\\)$/", name)) {
94 className = perl.group(1);
95 } else if (perl.match("/^(.+)\\.[^\\.]+$/", name)) {
96 className = perl.group(1);
97 }
98 }
99
100 if (!className.equals("")) {
101 result = isClassAllowed(className);
102 }
103
104 return result;
105 }
106
107 public boolean isAllowed(String name) {
108 return allowedPackages.size() == 0 || allowedPackages.contains(name);
109 }
110 }
111 |
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