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@@ -22,7 +22,10 @@
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package com.dmdirc.util;
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-import java.util.List;
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+import java.util.Collection;
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+import java.util.HashMap;
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+import java.util.Map;
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+import java.util.concurrent.ConcurrentSkipListSet;
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/**
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* Represents a list of event listeners, similar to EventListenerList, but
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@@ -33,8 +36,8 @@ import java.util.List;
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public class ListenerList {
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/** The map of class->listener or string->listener that we're using. */
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- private final MapList<Object, Object> listeners
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- = new MapList<Object, Object>();
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+ private final Map<Object, Collection<Object>> listeners
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+ = new HashMap<Object, Collection<Object>>();
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/**
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* Creates a new instance of ListenerList.
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@@ -50,7 +53,11 @@ public class ListenerList {
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* @param listener The listener to be added
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*/
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public <T> void add(final Class<T> listenerType, final T listener) {
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- listeners.add(listenerType, listener);
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+ if (!listeners.containsKey(listenerType)) {
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+ listeners.put(listenerType, new ConcurrentSkipListSet<Object>());
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+ }
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+
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+ listeners.get(listenerType).add(listener);
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}
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/**
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@@ -60,7 +67,11 @@ public class ListenerList {
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* @param listener The listener to be added
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*/
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public void add(final String listenerType, final Object listener) {
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- listeners.add(listenerType, listener);
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+ if (!listeners.containsKey(listenerType)) {
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+ listeners.put(listenerType, new ConcurrentSkipListSet<Object>());
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+ }
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+
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+ listeners.get(listenerType).add(listener);
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}
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/**
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@@ -71,7 +82,7 @@ public class ListenerList {
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* @param listener The listener to be removed
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*/
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public <T> void remove(final Class<T> listenerType, final T listener) {
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- listeners.remove(listenerType, listener);
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+ listeners.get(listenerType).remove(listener);
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}
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/**
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@@ -83,7 +94,7 @@ public class ListenerList {
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* @param listener The listener to be removed
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*/
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public void remove(final String listenerType, final Object listener) {
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- listeners.remove(listenerType, listener);
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+ listeners.get(listenerType).remove(listener);
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}
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/**
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@@ -93,11 +104,11 @@ public class ListenerList {
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* @return A list of listeners for the specified type
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*/
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@SuppressWarnings("unchecked")
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- public <T> List<T> get(final Class<T> listenerType) {
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+ public <T> Collection<T> get(final Class<T> listenerType) {
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if (listeners.containsKey(listenerType)) {
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- return (List<T>) listeners.get(listenerType);
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+ return (Collection<T>) listeners.get(listenerType);
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} else {
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- return new WeakList<T>();
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+ return new ConcurrentSkipListSet<T>();
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}
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}
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@@ -107,11 +118,11 @@ public class ListenerList {
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* @param listenerType The type of listener to be retrieved
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* @return A list of listeners for the specified type
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*/
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- public List<Object> get(final String listenerType) {
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+ public Collection<Object> get(final String listenerType) {
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if (listeners.containsKey(listenerType)) {
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return listeners.get(listenerType);
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} else {
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- return new WeakList<Object>();
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+ return new ConcurrentSkipListSet<Object>();
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}
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}
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