/** * Enumerates the resouces in a give package name. This works even if the resources are loaded * from a jar file! * * <p>Adapted from code by mikewse on the java.sun.com message boards. * http://forum.java.sun.com/thread.jsp?forum=22&thread=30984 * * @param packageName The package to enumerate * @return A Set of Strings for each resouce in the package. */ public static Set getResoucesInPackage(String packageName) throws IOException { String localPackageName; if (packageName.endsWith("/")) { localPackageName = packageName; } else { localPackageName = packageName + '/'; } Enumeration dirEnum = ClassLoader.getSystemResources(localPackageName); Set names = new HashSet(); // Loop CLASSPATH directories while (dirEnum.hasMoreElements()) { URL resUrl = (URL) dirEnum.nextElement(); // Pointing to filesystem directory if (resUrl.getProtocol().equals("file")) { File dir = new File(resUrl.getFile()); File[] files = dir.listFiles(); if (files != null) { for (int i = 0; i < files.length; i++) { File file = files[i]; if (file.isDirectory()) continue; names.add(localPackageName + file.getName()); } } // Pointing to Jar file } else if (resUrl.getProtocol().equals("jar")) { JarURLConnection jconn = (JarURLConnection) resUrl.openConnection(); JarFile jfile = jconn.getJarFile(); Enumeration entryEnum = jfile.entries(); while (entryEnum.hasMoreElements()) { JarEntry entry = (JarEntry) entryEnum.nextElement(); String entryName = entry.getName(); // Exclude our own directory if (entryName.equals(localPackageName)) continue; String parentDirName = entryName.substring(0, entryName.lastIndexOf('/') + 1); if (!parentDirName.equals(localPackageName)) continue; names.add(entryName); } } else { // Invalid classpath entry } } return names; }
private void downloadImage(final MercatorTextureTile tile, String mimeType) throws Exception { // System.out.println(tile.getPath()); final URL resourceURL = tile.getResourceURL(mimeType); Retriever retriever; String protocol = resourceURL.getProtocol(); if ("http".equalsIgnoreCase(protocol)) { retriever = new HTTPRetriever(resourceURL, new HttpRetrievalPostProcessor(tile)); } else { String message = Logging.getMessage("layers.TextureLayer.UnknownRetrievalProtocol", resourceURL); throw new RuntimeException(message); } retriever.setConnectTimeout(10000); retriever.setReadTimeout(20000); retriever.call(); }