From 273a0e169ac3f0469057876f5545313e740431bc Mon Sep 17 00:00:00 2001
From: Oliver Gierke <info@olivergierke.de>
Date: Mon, 28 Dec 2009 20:39:42 +0000
Subject: [PATCH] * added method to determine whether the @PluginRegistry@
 contains a @Plugin@ for the given delimiter

git-svn-id: svn+ssh://svn.synyx.de/var/svn/synyx/opensource/hera/trunk@8469 5a64d73e-33d6-4ccc-9058-23f8668ecac9
---
 .../main/java/org/synyx/hera/core/PluginRegistry.java | 10 ++++++++++
 .../org/synyx/hera/core/SimplePluginRegistry.java     | 11 +++++++++++
 2 files changed, 21 insertions(+)

diff --git a/core/src/main/java/org/synyx/hera/core/PluginRegistry.java b/core/src/main/java/org/synyx/hera/core/PluginRegistry.java
index 4208678..73023a7 100644
--- a/core/src/main/java/org/synyx/hera/core/PluginRegistry.java
+++ b/core/src/main/java/org/synyx/hera/core/PluginRegistry.java
@@ -123,4 +123,14 @@ public interface PluginRegistry<T extends Plugin<S>, S> extends Iterable<T> {
      * @return
      */
     boolean contains(T plugin);
+
+
+    /**
+     * Returns whether the registry contains a {@link Plugin} matching the given
+     * delimiter.
+     * 
+     * @param delimiter
+     * @return
+     */
+    boolean hasPluginFor(S delimiter);
 }
\ No newline at end of file
diff --git a/core/src/main/java/org/synyx/hera/core/SimplePluginRegistry.java b/core/src/main/java/org/synyx/hera/core/SimplePluginRegistry.java
index 052b438..fcfd5f0 100644
--- a/core/src/main/java/org/synyx/hera/core/SimplePluginRegistry.java
+++ b/core/src/main/java/org/synyx/hera/core/SimplePluginRegistry.java
@@ -248,6 +248,17 @@ public class SimplePluginRegistry<T extends Plugin<S>, S> implements
     }
 
 
+    /*
+     * (non-Javadoc)
+     * 
+     * @see org.synyx.hera.core.PluginRegistry#hasPluginFor(java.lang.Object)
+     */
+    public boolean hasPluginFor(S delimter) {
+
+        return null != getPluginFor(delimter);
+    }
+
+
     /*
      * (non-Javadoc)
      *