add some javadoc so people don't wonder if this will throw exception or return null...

diff --git a/pf4j/src/main/java/ro/fortsoft/pf4j/PluginManager.java b/pf4j/src/main/java/ro/fortsoft/pf4j/PluginManager.java
index 2efd9f38b525ad686c2533232b8c47e133ddcac5..793784b9eb3bda4ff83c220debad7f8579e5a67e 100644 (file)
--- a/pf4j/src/main/java/ro/fortsoft/pf4j/PluginManager.java
+++ b/pf4j/src/main/java/ro/fortsoft/pf4j/PluginManager.java
@@ -53,10 +53,10 @@ public interface PluginManager {
     List<PluginWrapper> getStartedPlugins();
 
     /**
-     * Retrieves the plugin with this id.
+     * Retrieves the plugin with this id, or null if the plugin does not exist.
      *
-     * @param pluginId
-     * @return the plugin
+     * @param pluginId The pluginId for the plugin you are trying to get.
+     * @return A PluginWrapper object for this plugin, or null if it does not exist.
      */
     PluginWrapper getPlugin(String pluginId);