mirror of https://github.com/LOOHP/Limbo.git
65 lines
1.7 KiB
Java
65 lines
1.7 KiB
Java
package com.loohp.limbo.events;
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import java.lang.reflect.Method;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.Map;
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import java.util.Map.Entry;
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import java.util.concurrent.ConcurrentHashMap;
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import com.loohp.limbo.plugins.LimboPlugin;
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public class EventsManager {
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private List<ListenerPair> listeners;
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private Map<Listener, RegisteredCachedListener> cachedListeners;
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public EventsManager() {
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listeners = new ArrayList<>();
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cachedListeners = new ConcurrentHashMap<>();
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}
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public <T extends Event> T callEvent(T event) {
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for (EventPriority priority : EventPriority.getPrioritiesInOrder()) {
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for (Entry<Listener, RegisteredCachedListener> entry : cachedListeners.entrySet()) {
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for (Method method : entry.getValue().getListeners(event.getClass(), priority)) {
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try {
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method.invoke(entry.getKey(), event);
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} catch (Exception e) {
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System.err.println("Error while passing " + event.getClass().getCanonicalName() + " to the plugin \"" + entry.getValue().getPlugin().getName() + "\"");
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e.printStackTrace();
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}
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}
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}
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}
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return event;
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}
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public void registerEvents(LimboPlugin plugin, Listener listener) {
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listeners.add(new ListenerPair(plugin, listener));
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cachedListeners.put(listener, new RegisteredCachedListener(plugin, listener));
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}
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public void unregisterAllListeners(LimboPlugin plugin) {
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listeners.removeIf(each -> {
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if (each.plugin.equals(plugin)) {
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cachedListeners.remove(each.listener);
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return true;
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} else {
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return false;
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}
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});
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}
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protected static class ListenerPair {
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public LimboPlugin plugin;
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public Listener listener;
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public ListenerPair(LimboPlugin plugin, Listener listener) {
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this.plugin = plugin;
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this.listener = listener;
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}
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}
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}
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