* 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

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);
 }

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)
      *