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1
45 package org.openejb.util;
46
47 import java.io.ByteArrayOutputStream  ;
48 import java.io.File ;
49 import java.io.FileNotFoundException ;
50 import java.io.IOException ;
51 import java.io.PrintStream ;
52 import java.net.URL ;
53 import java.security.AccessController ;
54 import java.security.PrivilegedAction ;
55 import java.util.Hashtable ;
56 import java.util.jar.JarFile ;
57
58 import org.openejb.OpenEJBException;
59
60
64 public class JarUtils{
65
66 private static Messages messages = new Messages( "org.openejb.util.resources" );
67
68 static {
69 setHandlerSystemProperty();
70 }
71
72 private static boolean alreadySet = false;
73
74 public static void setHandlerSystemProperty(){
75 if (!alreadySet) {
76
81
91 Hashtable urlHandlers = (Hashtable )AccessController.doPrivileged(
92 new PrivilegedAction (){
93 public Object run() {
94 java.lang.reflect.Field handlers = null;
95 try{
96 handlers = URL .class.getDeclaredField("handlers");
97 handlers.setAccessible(true);
98 return handlers.get(null);
99 } catch (Exception e2){
100 e2.printStackTrace();
101 }
102 return null;
103 }
104 }
105 );
106 urlHandlers.put("resource", new org.openejb.util.urlhandler.resource.Handler());
107 alreadySet = true;
108 }
109 }
110
111 public static File getJarContaining(String path) throws OpenEJBException{
112 File jarFile = null;
113 try {
114 URL url = new URL ("resource:/"+path);
115
116
121 String jarPath = null;
122 if ( url.getProtocol().compareTo("resource") == 0 ) {
123 String resource = url.getFile().substring( 1 );
124 url = getContextClassLoader().getResource( resource );
126 if (url == null) {
127 throw new OpenEJBException("Could not locate a jar containing the path "+path);
128 }
129 }
130
131 if ( url != null ) {
132 jarPath = url.getFile();
133 jarPath = jarPath.substring( 0, jarPath.indexOf('!') );
134 jarPath = jarPath.substring( "file:".length() );
135 }
136
137 jarFile = new File (jarPath);
138 jarFile = jarFile.getAbsoluteFile();
139 } catch (Exception e){
140 throw new OpenEJBException("Could not locate a jar containing the path "+path, e);
141 }
142 return jarFile;
143 }
144
145 public static void addFileToJar(String jarFile, String file ) throws OpenEJBException{
146 ByteArrayOutputStream errorBytes = new ByteArrayOutputStream ();
147
148
155 PrintStream newErr = new PrintStream (errorBytes);
156 PrintStream oldErr = System.err;
157 System.setErr(newErr);
158
159 sun.tools.jar.Main jarTool = new sun.tools.jar.Main(newErr, newErr, "config_utils");
160
161 String [] args = new String []{"uf",jarFile,file};
162 jarTool.run(args);
163
164 System.setErr(oldErr);
165
166 try{
167 errorBytes.close();
168 newErr.close();
169 } catch (Exception e){
170 throw new OpenEJBException( messages.format("file.0020",jarFile, e.getLocalizedMessage()));
171 }
172
173 String error = new String (errorBytes.toByteArray());
174 if (error.indexOf("java.io.IOException") != -1) {
175 int begin = error.indexOf(':')+1;
178 int end = error.indexOf('\n');
179 String message = error.substring(begin, end);
180 throw new OpenEJBException( messages.format("file.0003", file, jarFile, message) );
181 }
182
183 }
184
185 public static JarFile getJarFile(String jarFile) throws OpenEJBException{
186
187 JarFile jar = null;
188 try {
189 File file = new File (jarFile);
190 jar = new JarFile (file);
191 } catch ( FileNotFoundException e ) {
192 throw new OpenEJBException( messages.format("file.0001", jarFile, e.getLocalizedMessage()));
193 } catch ( IOException e ) {
194 throw new OpenEJBException( messages.format("file.0002", jarFile, e.getLocalizedMessage()));
195 }
196 return jar;
197 }
198
199 public static ClassLoader getContextClassLoader() {
200 return (ClassLoader ) java.security.AccessController.doPrivileged(
201 new java.security.PrivilegedAction () {
202 public Object run() {
203 return Thread.currentThread().getContextClassLoader();
204 }
205 }
206 );
207 }
208
209 }
210 |
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