/** Generic method that posts a plugin to the metrics website */
private void postPlugin(boolean isPing) throws IOException {
// The plugin's description file containg all of the plugin data such as name, version, author,
// etc
final PluginDescriptionFile description = this.plugin.getDescription();
// Construct the post data
String data =
Metrics.encode("guid")
+ '='
+ Metrics.encode(this.guid)
+ Metrics.encodeDataPair("version", description.getVersion())
+ Metrics.encodeDataPair("server", Bukkit.getVersion())
+ Metrics.encodeDataPair(
"players", Integer.toString(Bukkit.getServer().getOnlinePlayers().length))
+ Metrics.encodeDataPair("revision", String.valueOf(Metrics.REVISION));
// If we're pinging, append it
if (isPing) {
data += Metrics.encodeDataPair("ping", "true");
}
// Create the url
final URL url =
new URL(
Metrics.BASE_URL
+ String.format(Metrics.REPORT_URL, this.plugin.getDescription().getName()));
// Connect to the website
URLConnection connection;
// Mineshafter creates a socks proxy, so we can safely bypass it
// It does not reroute POST requests so we need to go around it
if (this.isMineshafterPresent()) {
connection = url.openConnection(Proxy.NO_PROXY);
} else {
connection = url.openConnection();
}
connection.setDoOutput(true);
// Write the data
final OutputStreamWriter writer = new OutputStreamWriter(connection.getOutputStream());
writer.write(data);
writer.flush();
// Now read the response
final BufferedReader reader =
new BufferedReader(new InputStreamReader(connection.getInputStream()));
final String response = reader.readLine();
// close resources
writer.close();
reader.close();
if (response.startsWith("ERR")) {
throw new IOException(response); // Throw the exception
}
// if (response.startsWith("OK")) - We should get "OK" followed by an optional description if
// everything goes right
}
/**
* Encode a key/value data pair to be used in a HTTP post request. This INCLUDES a & so the first
* key/value pair MUST be included manually, e.g: <code>
* String httpData = encode("guid") + '=' + encode("1234") + encodeDataPair("authors") + "..";
* </code>
*
* @param key
* @param value
* @return
*/
private static String encodeDataPair(String key, String value)
throws UnsupportedEncodingException {
return '&' + Metrics.encode(key) + '=' + Metrics.encode(value);
}