/**
* Unzips the sole entry in the specified zip file, and saves it in a temporary directory, and
* returns a File to the temporary location.
*
* @param path the path to the source file.
* @param suffix the suffix to give the temp file.
* @return a {@link File} for the temp file.
* @throws IllegalArgumentException if the <code>path</code> is <code>null</code> or empty.
*/
public static File unzipAndSaveToTempFile(String path, String suffix) {
if (WWUtil.isEmpty(path)) {
String message = Logging.getMessage("nullValue.PathIsNull");
Logging.logger().severe(message);
throw new IllegalArgumentException(message);
}
InputStream stream = null;
try {
stream = WWIO.openStream(path);
ByteBuffer buffer = WWIO.readStreamToBuffer(stream);
File file = WWIO.saveBufferToTempFile(buffer, WWIO.getFilename(path));
buffer = WWIO.readZipEntryToBuffer(file, null);
return WWIO.saveBufferToTempFile(buffer, suffix);
} catch (Exception e) {
e.printStackTrace();
} finally {
WWIO.closeStream(stream, path);
}
return null;
}
protected void loadAirspacesFromPath(String path, Collection<Airspace> airspaces) {
File file = ExampleUtil.saveResourceToTempFile(path, ".zip");
if (file == null) return;
try {
ZipFile zipFile = new ZipFile(file);
ZipEntry entry = null;
for (Enumeration<? extends ZipEntry> e = zipFile.entries();
e.hasMoreElements();
entry = e.nextElement()) {
if (entry == null) continue;
String name = WWIO.getFilename(entry.getName());
if (!(name.startsWith("gov.nasa.worldwind.render.airspaces") && name.endsWith(".xml")))
continue;
String[] tokens = name.split("-");
try {
Class c = Class.forName(tokens[0]);
Airspace airspace = (Airspace) c.newInstance();
BufferedReader input =
new BufferedReader(new InputStreamReader(zipFile.getInputStream(entry)));
String s = input.readLine();
airspace.restoreState(s);
airspaces.add(airspace);
if (tokens.length >= 2) {
airspace.setValue(AVKey.DISPLAY_NAME, tokens[1]);
}
} catch (Exception ex) {
ex.printStackTrace();
}
}
} catch (IOException e) {
e.printStackTrace();
}
}