001package ca.uhn.fhir.util;
002
003/*
004 * #%L
005 * HAPI FHIR - Core Library
006 * %%
007 * Copyright (C) 2014 - 2016 University Health Network
008 * %%
009 * Licensed under the Apache License, Version 2.0 (the "License");
010 * you may not use this file except in compliance with the License.
011 * You may obtain a copy of the License at
012 * 
013 *      http://www.apache.org/licenses/LICENSE-2.0
014 * 
015 * Unless required by applicable law or agreed to in writing, software
016 * distributed under the License is distributed on an "AS IS" BASIS,
017 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
018 * See the License for the specific language governing permissions and
019 * limitations under the License.
020 * #L%
021 */
022
023import java.lang.reflect.Method;
024
025import ca.uhn.fhir.util.reflection.IBeanUtils;
026
027public class BeanUtils {
028
029        private static IBeanUtils beanUtils;
030
031        private static IBeanUtils getBeanUtils() {
032                if (beanUtils == null) {
033                        try {
034                                beanUtils = (IBeanUtils) Class.forName("ca.uhn.fhir.util.reflection.JavaBeansBeanUtil").newInstance();
035                        } catch (Exception e) {
036                                try {
037                                        beanUtils = (IBeanUtils) Class.forName("ca.uhn.fhir.util.reflection.JavaReflectBeanUtil")
038                                                        .newInstance();
039                                } catch (Exception e1) {
040                                        throw new RuntimeException("Could not resolve BeanUtil implementation");
041                                }
042                        }
043                }
044                return beanUtils;
045        }
046
047        public static Method findAccessor(Class<?> theClassToIntrospect, Class<?> theTargetReturnType, String thePropertyName)
048                        throws NoSuchFieldException {
049                return getBeanUtils().findAccessor(theClassToIntrospect, theTargetReturnType, thePropertyName);
050        }
051
052        public static Method findMutator(Class<?> theClassToIntrospect, Class<?> theTargetReturnType, String thePropertyName)
053                        throws NoSuchFieldException {
054                return getBeanUtils().findMutator(theClassToIntrospect, theTargetReturnType, thePropertyName);
055        }       
056}