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17 package org.apache.geronimo.deployment.util;
18
19 import java.io.File  ;
20 import java.io.FileInputStream ;
21 import java.io.IOException ;
22 import java.io.InputStream ;
23 import java.net.URI ;
24 import java.util.Collection ;
25 import java.util.Collections ;
26 import java.util.Enumeration ;
27 import java.util.Iterator ;
28 import java.util.LinkedList ;
29 import java.util.jar.JarEntry ;
30 import java.util.jar.JarFile ;
31 import java.util.jar.Manifest ;
32 import java.util.zip.ZipEntry ;
33
34
37 public class UnpackedJarFile extends JarFile {
38 private final File baseDir;
39 private boolean manifestLoaded = false;
40 private Manifest manifest;
41
42 public UnpackedJarFile(File baseDir) throws IOException {
43 super(DeploymentUtil.DUMMY_JAR_FILE);
44 this.baseDir = baseDir;
45 if (!baseDir.isDirectory()) {
46 throw new IOException ("File must be a directory: file=" + baseDir.getAbsolutePath());
47 }
48 }
49
50 public File getBaseDir() {
51 return baseDir;
52 }
53
54 public Manifest getManifest() throws IOException {
55 if (!manifestLoaded) {
56 File manifestFile = getFile("META-INF/MANIFEST.MF");
57
58 if (manifestFile != null && manifestFile.isFile()) {
59 FileInputStream in = null;
60 try {
61 in = new FileInputStream (manifestFile);
62 manifest = new Manifest (in);
63 } finally {
64 if (in != null) {
65 try {
66 in.close();
67 } catch (IOException e) {
68 }
70 }
71 }
72 }
73 manifestLoaded = true;
74 }
75 return manifest;
76 }
77
78 public UnpackedJarEntry getUnpackedJarEntry(String name) {
79 File file = getFile(name);
80 if (file == null) {
81 return null;
82 }
83 return new UnpackedJarEntry(name, file, getManifestSafe());
84 }
85
86 public JarEntry getJarEntry(String name) {
87 return getUnpackedJarEntry(name);
88 }
89
90 public ZipEntry getEntry(String name) {
91 return getUnpackedJarEntry(name);
92 }
93
94 public Enumeration entries() {
95 Collection files = DeploymentUtil.listRecursiveFiles(baseDir);
96
97 Manifest manifest = getManifestSafe();
98 LinkedList entries = new LinkedList ();
99 URI baseURI = baseDir.getAbsoluteFile().toURI();
100 for (Iterator iterator = files.iterator(); iterator.hasNext();) {
101 File entryFile = ((File ) iterator.next()).getAbsoluteFile();
102 URI entryURI = entryFile.toURI();
103 URI relativeURI = baseURI.relativize(entryURI);
104 entries.add(new UnpackedJarEntry(relativeURI.getPath(), entryFile, manifest));
105 }
106 return Collections.enumeration(entries);
107 }
108
109 public InputStream getInputStream(ZipEntry zipEntry) throws IOException {
110 File file;
111 if (zipEntry instanceof UnpackedJarEntry) {
112 file = ((UnpackedJarEntry)zipEntry).getFile();
113 } else {
114 file = getFile(zipEntry.getName());
115 }
116
117 if (file == null) {
118 throw new IOException ("Entry not found: name=" + file.getAbsolutePath());
119 } else if (file.isDirectory()) {
120 return new DeploymentUtil.EmptyInputStream();
121 }
122 return new FileInputStream (file);
123 }
124
125 public String getName() {
126 return baseDir.getAbsolutePath();
127 }
128
129
133 public int size() {
134 return -1;
135 }
136
137 public void close() throws IOException {
138 }
139
140 protected void finalize() throws IOException {
141 }
142
143 public File getFile(String name) {
144 File file = new File (baseDir, name);
145 if (!file.exists()) {
146 return null;
147 }
148 return file;
149 }
150
151 private Manifest getManifestSafe() {
152 Manifest manifest = null;
153 try {
154 manifest = getManifest();
155 } catch (IOException e) {
156 }
158 return manifest;
159 }
160 }
161 |
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