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------------------------------------------------------------
revno: 18959
committer: Lars Helge Overland <larshelge@xxxxxxxxx>
branch nick: dhis2
timestamp: Tue 2015-04-21 12:05:10 +0200
message:
  Added AnnotationUtils
added:
  dhis-2/dhis-support/dhis-support-system/src/main/java/org/hisp/dhis/system/util/AnnotationUtils.java


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=== added file 'dhis-2/dhis-support/dhis-support-system/src/main/java/org/hisp/dhis/system/util/AnnotationUtils.java'
--- dhis-2/dhis-support/dhis-support-system/src/main/java/org/hisp/dhis/system/util/AnnotationUtils.java	1970-01-01 00:00:00 +0000
+++ dhis-2/dhis-support/dhis-support-system/src/main/java/org/hisp/dhis/system/util/AnnotationUtils.java	2015-04-21 10:05:10 +0000
@@ -0,0 +1,68 @@
+package org.hisp.dhis.system.util;
+
+/*
+ * Copyright (c) 2004-2015, University of Oslo
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * Neither the name of the HISP project nor the names of its contributors may
+ * be used to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+import java.lang.annotation.Annotation;
+import java.lang.reflect.Method;
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * @author Lars Helge Overland
+ */
+public class AnnotationUtils
+{
+    /**
+     * Returns methods on the given target object which are annotated with the
+     * annotation of the given class.
+     * 
+     * @param target the target object.
+     * @param annotationClass the annotation class.
+     * @return a list of methods annotated with the given annotation.
+     */
+    public static List<Method> getAnnotatedMethods( Object target, Class<? extends Annotation> annotationClass )
+    {
+        final List<Method> methods = new ArrayList<>();
+        
+        if ( target == null || annotationClass == null )
+        {
+            return methods;
+        }
+        
+        for ( Method method : target.getClass().getMethods() )
+        {
+            if ( method.isAnnotationPresent( annotationClass ) )
+            {
+                methods.add( method );
+            }
+        }
+        
+        return methods;
+    }
+}