Simplify ANt-Spring bridge

[gpl/argeo-slc.git] / org.argeo.slc.core / src / main / java / org / argeo / slc / spring / SpringUtils.java

diff --git a/org.argeo.slc.core/src/main/java/org/argeo/slc/spring/SpringUtils.java b/org.argeo.slc.core/src/main/java/org/argeo/slc/spring/SpringUtils.java
new file mode 100644 (file)
index 0000000..953d2ec
--- /dev/null
+++ b/org.argeo.slc.core/src/main/java/org/argeo/slc/spring/SpringUtils.java
@@ -0,0 +1,21 @@
+package org.argeo.slc.spring;\r
+\r
+import java.util.Map;\r
+\r
+import org.springframework.beans.factory.ListableBeanFactory;\r
+\r
+public class SpringUtils {\r
+       public static <T> T loadSingleFromContext(ListableBeanFactory context,\r
+                       Class<T> clss) {\r
+               Map<String, T> listeners = context.getBeansOfType(clss);\r
+               if (listeners.size() == 1) {\r
+                       return listeners.values().iterator().next();\r
+               } else {\r
+                       return null;\r
+               }\r
+       }\r
+\r
+       private SpringUtils() {\r
+\r
+       }\r
+}\r