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package org.bukkit.plugin.messaging;
import org.bukkit.plugin.Plugin;
/**
* Contains information about a {@link Plugin}s registration to a plugin channel.
*/
public final class PluginMessageListenerRegistration {
private final Messenger messenger;
private final Plugin plugin;
private final String channel;
private final PluginMessageListener listener;
public PluginMessageListenerRegistration(Messenger messenger, Plugin plugin, String channel, PluginMessageListener listener) {
if (messenger == null) {
throw new IllegalArgumentException("Messenger cannot be null!");
}
if (plugin == null) {
throw new IllegalArgumentException("Plugin cannot be null!");
}
if (channel == null) {
throw new IllegalArgumentException("Channel cannot be null!");
}
if (listener == null) {
throw new IllegalArgumentException("Listener cannot be null!");
}
this.messenger = messenger;
this.plugin = plugin;
this.channel = channel;
this.listener = listener;
}
/**
* Gets the plugin channel that this registration is about.
*
* @return Plugin channel.
*/
public String getChannel() {
return channel;
}
/**
* Gets the registered listener described by this registration.
*
* @return Registered listener.
*/
public PluginMessageListener getListener() {
return listener;
}
/**
* Gets the plugin that this registration is for.
*
* @return Registered plugin.
*/
public Plugin getPlugin() {
return plugin;
}
/**
* Checks if this registration is still valid.
*
* @return True if this registration is still valid, otherwise false.
*/
public boolean isValid() {
return messenger.isRegistrationValid(this);
}
@Override
public boolean equals(Object obj) {
if (obj == null) {
return false;
}
if (getClass() != obj.getClass()) {
return false;
}
final PluginMessageListenerRegistration other = (PluginMessageListenerRegistration) obj;
if (this.messenger != other.messenger && (this.messenger == null || !this.messenger.equals(other.messenger))) {
return false;
}
if (this.plugin != other.plugin && (this.plugin == null || !this.plugin.equals(other.plugin))) {
return false;
}
if ((this.channel == null) ? (other.channel != null) : !this.channel.equals(other.channel)) {
return false;
}
if (this.listener != other.listener && (this.listener == null || !this.listener.equals(other.listener))) {
return false;
}
return true;
}
@Override
public int hashCode() {
int hash = 7;
hash = 53 * hash + (this.messenger != null ? this.messenger.hashCode() : 0);
hash = 53 * hash + (this.plugin != null ? this.plugin.hashCode() : 0);
hash = 53 * hash + (this.channel != null ? this.channel.hashCode() : 0);
hash = 53 * hash + (this.listener != null ? this.listener.hashCode() : 0);
return hash;
}
}
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