/**
* 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;
}
/**
* ** Gets the 'protocol' specification in the URI ** @return The 'protocol' specification in the
* URL, or null if unable to determine protocol
*/
public String getProtocol() {
try {
URL url = new URL(this.getURI());
return url.getProtocol();
} catch (MalformedURLException mue) {
return null;
}
}
void showContent() {
URL address = null;
try {
address = new URL(addressTextField.getText());
} catch (MalformedURLException mue) {
showWarning(mainFrame, "地址输入错误");
}
System.out.println("getProtocol() " + address.getProtocol());
System.out.println("getHost() " + address.getHost());
System.out.println("getPort() " + address.getPort());
System.out.println("getPath() " + address.getPath());
System.out.println("getFile() " + address.getFile());
System.out.println("getQuery() " + address.getQuery());
}
/** ** Sets the 'port' */
public boolean setPort(int _port) {
String uri = this.getURI();
if ((_port > 0) && URIArg.isAbsoluteURL(uri)) {
try {
URL oldURI = new URL(uri);
String proto = oldURI.getProtocol();
String host = oldURI.getHost();
int port = _port;
String file = oldURI.getFile();
URL newURI = new URL(proto, host, port, file);
this._setURI(newURI.toString());
return true;
} catch (MalformedURLException mue) {
// error
}
}
return false;
}
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();
}