/**
* Reads all available data from the input stream of <code>conn</code> and returns it as byte
* array. If no input data is available the method returns <code>null</code>.
*
* @param conn
* @return
* @throws IOException
*/
protected static byte[] loadBodyDataInBuffer(HttpURLConnection conn) throws IOException {
InputStream input = conn.getInputStream();
byte[] data = null;
try {
if (Thread.currentThread() instanceof MapSourceListener) {
// We only throttle atlas downloads, not downloads for the preview map
long bandwidthLimit = Settings.getInstance().getBandwidthLimit();
if (bandwidthLimit > 0) {
input = new ThrottledInputStream(input);
}
}
data = Utilities.getInputBytes(input);
} catch (IOException e) {
InputStream errorIn = conn.getErrorStream();
try {
byte[] errData = Utilities.getInputBytes(errorIn);
log.trace(
"Retrieved " + errData.length + " error bytes for a HTTP " + conn.getResponseCode());
} catch (Exception ee) {
log.debug("Error retrieving error stream content: " + e);
} finally {
Utilities.closeStream(errorIn);
}
throw e;
} finally {
Utilities.closeStream(input);
}
log.trace("Retrieved " + data.length + " bytes for a HTTP " + conn.getResponseCode());
if (data.length == 0) return null;
return data;
}
public static void load() {
File mapSourcesDir = Settings.getInstance().getMapSourcesDirectory();
File mapSourcesProperties = new File(mapSourcesDir, FILENAME);
if (!mapSourcesProperties.isFile()) return;
FileInputStream in = null;
try {
in = new FileInputStream(mapSourcesProperties);
PROPERTIES.load(in);
} catch (IOException e) {
log.error("Failed to load mapsources.properties", e);
} finally {
Utilities.closeStream(in);
}
if (!SHUTDOWN_HOOK_REGISTERED) {
Runtime.getRuntime()
.addShutdownHook(
new Thread() {
@Override
public void run() {
save();
}
});
}
}
public static void save() {
if (PROPERTIES.size() == 0) return;
File mapSourcesDir = Settings.getInstance().getMapSourcesDirectory();
File mapSourcesProperties = new File(mapSourcesDir, FILENAME);
FileOutputStream out = null;
try {
out = new FileOutputStream(mapSourcesProperties);
PROPERTIES.store(out, "");
} catch (IOException e) {
log.error("", e);
} finally {
Utilities.closeStream(out);
}
}