/**
* Called to register HSP's commands with Essentials, which then enables Essentials "respectful"
* command usurp behavior which will let HSP own commands like "/home" and "/spawn".
*/
private void registerCommands() {
log.debug("entering registerCommands()");
essentialsPlugin = plugin.getServer().getPluginManager().getPlugin("Essentials");
if (essentialsPlugin == null) {
log.debug("Essentials plugin not found, registerComamnds() doing nothing");
return;
}
try {
grabInternalAltCommands();
mapHSPCommands();
} catch (Exception e) {
log.error("Caught exception when trying to register commands with Essentials", e);
}
log.debug("exiting registerCommands()");
}
/**
* Using Essentials own internal alternate commands map, assign HSP commands into the map. This is
* a replication of the internal algorithm that Essentials uses in AlternativeCommandsHandler as
* of Essentials 2.10.1.
*/
private void mapHSPCommands() {
Map<String, PluginCommand> hspCommands = bukkitCommandRegister.getLoadedCommands();
Collection<PluginCommand> commands = hspCommands.values();
// final String pluginName = plugin.getDescription().getName().toLowerCase();
log.debug("commands.size() = {}", commands == null ? null : commands.size());
for (Command command : commands) {
final PluginCommand pc = (PluginCommand) command;
final List<String> labels = new ArrayList<String>(pc.getAliases());
labels.add(pc.getName());
log.debug("registering command {}", pc.getName());
// PluginCommand reg = plugin.getServer().getPluginCommand(pluginName + ":" +
// pc.getName().toLowerCase());
// if (reg == null)
// {
// reg = plugin.getServer().getPluginCommand(pc.getName().toLowerCase());
// }
// if (reg == null || !reg.getPlugin().equals(plugin))
// {
// continue;
// }
// log.debug("reg = {}", reg);
for (String label : labels) {
log.debug("registering label {}", label);
List<PluginCommand> plugincommands = altcommands.get(label.toLowerCase());
if (plugincommands == null) {
plugincommands = new ArrayList<PluginCommand>();
altcommands.put(label.toLowerCase(), plugincommands);
}
boolean found = false;
for (PluginCommand pc2 : plugincommands) {
if (pc2.getPlugin().equals(plugin)) {
found = true;
}
}
if (!found) {
plugincommands.add(pc);
}
}
}
}
@Override
public void load(Chunk chunk) throws IOException {
File regionDirectory = getRegionDirectory(chunk.world, chunk.x, chunk.z);
File f = new File(regionDirectory, chunk.x + "_" + chunk.z);
// if no file exists, just initialize a small-capacity map
if (!f.exists()) {
log.debug("load on chunk {}, no file exists, initializing empty dataset", chunk);
chunk.map = new IntShortOpenHashMap(100);
return;
}
DataInputStream is = null;
try {
is = new DataInputStream(new BufferedInputStream(new FileInputStream(f)));
// first 32 bits represent the size of the map
int available = is.readInt();
// we round up by 30% to account for .75 load factor in hash.
// this initializes the map at less than the load factor with
// some extra room for growth before needing a clone & grow
chunk.map = new IntShortOpenHashMap((int) (available * 1.3));
while (is.available() > 0) {
int key = is.readInt();
short value = is.readShort();
chunk.map.put(key, value);
if (log.isDebugEnabled()) {
Formatter format = new Formatter();
format.format("loaded chunk{%d,%d} owner %d for key %x", chunk.x, chunk.z, value, key);
log.debug(format.toString());
format.close();
}
}
} finally {
if (is != null) is.close();
}
}
/**
* Method to grab Essentials internal altCommands hash. This is ugly code but Essentials offers no
* external APIs to make this any cleaner.
*
* @throws NoSuchFieldException
* @throws SecurityException
* @throws IllegalAccessException
* @throws IllegalArgumentException
*/
@SuppressWarnings("unchecked")
private void grabInternalAltCommands()
throws SecurityException, NoSuchFieldException, IllegalArgumentException,
IllegalAccessException {
Essentials pluginObject = (Essentials) essentialsPlugin;
Field commandHandler = pluginObject.getClass().getDeclaredField("alternativeCommandsHandler");
commandHandler.setAccessible(true);
AlternativeCommandsHandler ach = (AlternativeCommandsHandler) commandHandler.get(pluginObject);
Field altCommandsField = ach.getClass().getDeclaredField("altcommands");
altCommandsField.setAccessible(true);
altcommands = (HashMap<String, List<PluginCommand>>) altCommandsField.get(ach);
log.debug("altcommands = {}", altcommands);
}