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1
11
12 package org.eclipse.osgi.baseadaptor.bundlefile;
13
14 import java.io.File  ;
15 import java.io.IOException ;
16 import java.util.Enumeration ;
17 import java.util.NoSuchElementException ;
18 import org.eclipse.osgi.internal.baseadaptor.AdaptorMsg;
19 import org.eclipse.osgi.util.NLS;
20
21
25 public class DirBundleFile extends BundleFile {
26
27
32 public DirBundleFile(File basefile) throws IOException {
33 super(basefile);
34 if (!BundleFile.secureAction.exists(basefile) || !BundleFile.secureAction.isDirectory(basefile)) {
35 throw new IOException (NLS.bind(AdaptorMsg.ADAPTOR_DIRECTORY_EXCEPTION, basefile));
36 }
37 }
38
39 public File getFile(String path, boolean nativeCode) {
40 File filePath = new File (this.basefile, path);
41 if (BundleFile.secureAction.exists(filePath)) {
42 return filePath;
43 }
44 return null;
45 }
46
47 public BundleEntry getEntry(String path) {
48 File filePath = new File (this.basefile, path);
49 if (!BundleFile.secureAction.exists(filePath)) {
50 return null;
51 }
52 return new FileBundleEntry(filePath, path);
53 }
54
55 public boolean containsDir(String dir) {
56 File dirPath = new File (this.basefile, dir);
57 return BundleFile.secureAction.exists(dirPath) && BundleFile.secureAction.isDirectory(dirPath);
58 }
59
60 public Enumeration getEntryPaths(String path) {
61 if (path.length() > 0 && path.charAt(0) == '/')
62 path = path.substring(1);
63 final java.io.File pathFile = new java.io.File (basefile, path);
64 if (!BundleFile.secureAction.exists(pathFile))
65 return null;
66 if (!BundleFile.secureAction.isDirectory(pathFile))
67 return null;
68 final String [] fileList = BundleFile.secureAction.list(pathFile);
69 if (fileList == null || fileList.length == 0)
70 return null;
71 final String dirPath = path.length() == 0 || path.charAt(path.length() - 1) == '/' ? path : path + '/';
72 return new Enumeration () {
73 int cur = 0;
74
75 public boolean hasMoreElements() {
76 return fileList != null && cur < fileList.length;
77 }
78
79 public Object nextElement() {
80 if (!hasMoreElements()) {
81 throw new NoSuchElementException ();
82 }
83 java.io.File childFile = new java.io.File (pathFile, fileList[cur]);
84 StringBuffer sb = new StringBuffer (dirPath).append(fileList[cur++]);
85 if (BundleFile.secureAction.isDirectory(childFile)) {
86 sb.append("/"); }
88 return sb.toString();
89 }
90 };
91 }
92
93 public void close() {
94 }
96
97 public void open() {
98 }
100 }
101 |
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