=== 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 getAnnotatedMethods( Object target, Class annotationClass ) + { + final List 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; + } +}