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ListenCommand.java
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ListenCommand.java
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package net.aufdemrand.denizen.scripts.commands.player;
import net.aufdemrand.denizen.BukkitScriptEntryData;
import net.aufdemrand.denizen.listeners.AbstractListener;
import net.aufdemrand.denizen.utilities.DenizenAPI;
import net.aufdemrand.denizen.utilities.debugging.dB;
import net.aufdemrand.denizencore.exceptions.CommandExecutionException;
import net.aufdemrand.denizencore.exceptions.InvalidArgumentsException;
import net.aufdemrand.denizencore.objects.Element;
import net.aufdemrand.denizencore.objects.aH;
import net.aufdemrand.denizencore.objects.dScript;
import net.aufdemrand.denizencore.scripts.ScriptEntry;
import net.aufdemrand.denizencore.scripts.commands.AbstractCommand;
import net.aufdemrand.denizencore.utilities.CoreUtilities;
import java.util.ArrayList;
import java.util.List;
import java.util.UUID;
public class ListenCommand extends AbstractCommand {
private enum Action {NEW, CANCEL, FINISH}
@Override
public void parseArgs(ScriptEntry scriptEntry) throws InvalidArgumentsException {
List<aH.Argument> arguments = new ArrayList<aH.Argument>();
for (aH.Argument arg : aH.interpret(scriptEntry.getArguments())) {
// <action>
if (!scriptEntry.hasObject("action")
&& arg.matchesEnum(Action.values())) {
scriptEntry.addObject("action", arg.asElement());
}
// <id:name>
else if (!scriptEntry.hasObject("id")
&& arg.matchesPrefix("id", "i")) {
scriptEntry.addObject("id", arg.asElement());
}
// <script>
else if (!scriptEntry.hasObject("finish_script")
&& arg.matchesPrefix("script")
&& arg.matchesArgumentType(dScript.class)) {
scriptEntry.addObject("finish_script", arg.asType(dScript.class));
}
// <type>
else if (!scriptEntry.hasObject("type")) {
scriptEntry.addObject("type", arg.asElement());
}
arguments.add(arg);
}
// Set defaults
scriptEntry.defaultObject("action", new Element("new"));
scriptEntry.defaultObject("id", new Element(UUID.randomUUID().toString()));
// Check for type (if using NEW) -- it's required
if (!scriptEntry.hasObject("type")
&& scriptEntry.getElement("action").asString().equalsIgnoreCase("new")) {
throw new InvalidArgumentsException("Must specify a listener type!");
}
// Player listeners require a player!
if (((BukkitScriptEntryData) scriptEntry.entryData).getPlayer() == null) {
throw new InvalidArgumentsException("Must specify a player!");
}
// Add arguments
scriptEntry.addObject("args", arguments);
}
@Override
public void execute(ScriptEntry scriptEntry) throws CommandExecutionException {
Element action = scriptEntry.getElement("action");
Element type = scriptEntry.getElement("type");
Element id = scriptEntry.getElement("id");
dScript finish_script = (dScript) scriptEntry.getObject("finish_script");
dB.report(scriptEntry, getName(), action.debug() + (type != null ? type.debug() : "")
+ id.debug() + (finish_script != null ? finish_script.debug() : ""));
dB.echoError(scriptEntry.getResidingQueue(),
"Warning: Listen is outdated and may become unsupported in the future.");
List<aH.Argument> arguments = (ArrayList<aH.Argument>) scriptEntry.getObject("args");
switch (Action.valueOf(action.asString().toUpperCase())) {
case NEW:
// First make sure there isn't already a 'player listener' for this player with the specified ID.
if (DenizenAPI.getCurrentInstance().getListenerRegistry()
.getListenersFor(((BukkitScriptEntryData) scriptEntry.entryData).getPlayer()) != null
&& DenizenAPI.getCurrentInstance().getListenerRegistry().getListenersFor(((BukkitScriptEntryData) scriptEntry.entryData).getPlayer())
.containsKey(CoreUtilities.toLowerCase(id.asString()))) {
dB.echoError(scriptEntry.getResidingQueue(), "Cancelled creation of NEW listener! Listener ID '" + id.asString() + "' already exists!");
break;
}
// Also make sure there is a valid script input
if (finish_script == null) {
dB.echoError("Must specify a valid script!");
break;
}
try {
DenizenAPI.getCurrentInstance().getListenerRegistry().get(type.asString())
.createInstance(((BukkitScriptEntryData) scriptEntry.entryData).getPlayer(), id.asString())
.build(((BukkitScriptEntryData) scriptEntry.entryData).getPlayer(),
id.asString(),
type.asString(),
arguments,
finish_script,
((BukkitScriptEntryData) scriptEntry.entryData).getNPC());
}
catch (Exception e) {
dB.echoDebug(scriptEntry, "Cancelled creation of NEW listener!");
// Why? Maybe a wrong listener type...
if (DenizenAPI.getCurrentInstance().getListenerRegistry().get(type.asString()) == null) {
dB.echoError(scriptEntry.getResidingQueue(), "Invalid listener type!");
}
// Just print the stacktrace if anything else, so we can debug other possible
// problems.
else {
dB.echoError(scriptEntry.getResidingQueue(), e);
}
// Deconstruct the listener in case it was partially created while erroring out.
try {
DenizenAPI.getCurrentInstance().getListenerRegistry().getListenerFor
(((BukkitScriptEntryData) scriptEntry.entryData).getPlayer(), id.asString()).cancel();
}
catch (Exception ex) {
}
}
break;
case FINISH:
if (DenizenAPI.getCurrentInstance().getListenerRegistry()
.getListenerFor(((BukkitScriptEntryData) scriptEntry.entryData).getPlayer(), id.asString()) != null) {
DenizenAPI.getCurrentInstance().getListenerRegistry()
.getListenerFor(((BukkitScriptEntryData) scriptEntry.entryData).getPlayer(), id.asString()).finish();
}
break;
case CANCEL:
if (((BukkitScriptEntryData) scriptEntry.entryData).getPlayer() != null) {
if (id != null) {
if (DenizenAPI.getCurrentInstance().getListenerRegistry()
.getListenerFor(((BukkitScriptEntryData) scriptEntry.entryData).getPlayer(), id.asString()) != null) {
DenizenAPI.getCurrentInstance().getListenerRegistry()
.getListenerFor(((BukkitScriptEntryData) scriptEntry.entryData).getPlayer(), id.asString()).cancel();
}
else {
for (AbstractListener listener :
DenizenAPI.getCurrentInstance().getListenerRegistry().getListenersFor(((BukkitScriptEntryData) scriptEntry.entryData).getPlayer()).values()) {
listener.cancel();
}
}
}
}
else {
DenizenAPI.getCurrentInstance().getSaves().set("Listeners." + ((BukkitScriptEntryData) scriptEntry.entryData).getPlayer().getName() + "." + id, null);
}
break;
}
}
}