Make the option watcher optional.

diff --git a/src/main/java/net/pterodactylus/sone/core/Options.java b/src/main/java/net/pterodactylus/sone/core/Options.java
index 04010da..752c36c 100644 (file)
--- a/src/main/java/net/pterodactylus/sone/core/Options.java
+++ b/src/main/java/net/pterodactylus/sone/core/Options.java
@@ -1,6 +1,9 @@
 package net.pterodactylus.sone.core;
 
+import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.HashMap;
+import java.util.List;
 import java.util.Map;
 
 /**
@@ -93,19 +96,19 @@ public class Options {
                private T value;
 
                /** The option watcher. */
-               private final OptionWatcher<T> optionWatcher;
+               private final List<OptionWatcher<T>> optionWatchers = new ArrayList<OptionWatcher<T>>();
 
                /**
                 * Creates a new default option.
                 *
                 * @param defaultValue
                 *            The default value of the option
-                * @param optionWatcher
-                *            The option watcher
+                * @param optionWatchers
+                *            The option watchers
                 */
-               public DefaultOption(T defaultValue, OptionWatcher<T> optionWatcher) {
+               public DefaultOption(T defaultValue, OptionWatcher<T>... optionWatchers) {
                        this.defaultValue = defaultValue;
-                       this.optionWatcher = optionWatcher;
+                       this.optionWatchers.addAll(Arrays.asList(optionWatchers));
                }
 
                /**
@@ -143,7 +146,9 @@ public class Options {
                        T oldValue = this.value;
                        this.value = value;
                        if (!get().equals(oldValue)) {
-                               optionWatcher.optionChanged(this, oldValue, get());
+                               for (OptionWatcher<T> optionWatcher : optionWatchers) {
+                                       optionWatcher.optionChanged(this, oldValue, get());
+                               }
                        }
                }