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1
17 package org.apache.geronimo.kernel.classloader;
18
19 import java.io.File  ;
20 import java.io.IOException ;
21 import java.io.InputStream ;
22 import java.net.JarURLConnection ;
23 import java.net.MalformedURLException ;
24 import java.net.URL ;
25 import java.net.URLConnection ;
26 import java.net.URLStreamHandler ;
27 import java.security.Permission ;
28 import java.security.cert.Certificate ;
29 import java.util.jar.Attributes ;
30 import java.util.jar.JarEntry ;
31 import java.util.jar.JarFile ;
32 import java.util.jar.Manifest ;
33
34
37 public class JarFileUrlConnection extends JarURLConnection {
38 public static final URL DUMMY_JAR_URL;
39 static {
40 try {
41 DUMMY_JAR_URL = new URL ("jar", "", -1, "file:dummy!/", new URLStreamHandler () {
42 protected URLConnection openConnection(URL u) {
43 throw new UnsupportedOperationException ();
44 }
45 });
46 } catch (Exception e) {
47 throw new ExceptionInInitializerError (e);
48 }
49 }
50
51 private final URL url;
52 private final JarFile jarFile;
53 private final JarEntry jarEntry;
54 private final URL jarFileUrl;
55
56 public JarFileUrlConnection(URL url, JarFile jarFile, JarEntry jarEntry) throws MalformedURLException {
57 super(DUMMY_JAR_URL);
58
59 if (url == null) throw new NullPointerException ("url is null");
60 if (jarFile == null) throw new NullPointerException ("jarFile is null");
61 if (jarEntry == null) throw new NullPointerException ("jarEntry is null");
62
63 this.url = url;
64 this.jarFile = jarFile;
65 this.jarEntry = jarEntry;
66 jarFileUrl = new File (jarFile.getName()).toURL();
67 }
68
69 public JarFile getJarFile() throws IOException {
70 return jarFile;
71 }
72
73 public synchronized void connect() {
74 }
75
76 public URL getJarFileURL() {
77 return jarFileUrl;
78 }
79
80 public String getEntryName() {
81 return getJarEntry().getName();
82 }
83
84 public Manifest getManifest() throws IOException {
85 return jarFile.getManifest();
86 }
87
88 public JarEntry getJarEntry() {
89 return jarEntry;
90 }
91
92 public Attributes getAttributes() throws IOException {
93 return getJarEntry().getAttributes();
94 }
95
96 public Attributes getMainAttributes() throws IOException {
97 return getManifest().getMainAttributes();
98 }
99
100 public Certificate [] getCertificates() throws IOException {
101 return getJarEntry().getCertificates();
102 }
103
104 public URL getURL() {
105 return url;
106 }
107
108 public int getContentLength() {
109 long size = getJarEntry().getSize();
110 if (size > Integer.MAX_VALUE) {
111 return -1;
112 }
113 return (int) size;
114 }
115
116 public long getLastModified() {
117 return getJarEntry().getTime();
118 }
119
120 public synchronized InputStream getInputStream() throws IOException {
121 return jarFile.getInputStream(jarEntry);
122 }
123
124 public Permission getPermission() throws IOException {
125 URL jarFileUrl = new File (jarFile.getName()).toURL();
126 return jarFileUrl.openConnection().getPermission();
127 }
128
129 public String toString() {
130 return JarFileUrlConnection.class.getName() + ":" + url;
131 }
132 }
133 |
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