001/**
002 * Copyright 2005-2016 The Kuali Foundation
003 *
004 * Licensed under the Educational Community License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 * http://www.opensource.org/licenses/ecl2.php
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016package org.kuali.rice.krad.service.impl;
017
018import java.lang.reflect.InvocationTargetException;
019import java.util.HashMap;
020import java.util.Iterator;
021import java.util.List;
022import java.util.Map;
023import java.util.TreeMap;
024
025import org.apache.commons.beanutils.PropertyUtils;
026import org.kuali.rice.krad.exception.IntrospectionException;
027
028public class PersistenceServiceImplBase extends PersistenceServiceStructureImplBase {
029
030        /**
031         * @see org.kuali.rice.krad.service.PersistenceMetadataService#getPrimaryKeyFields(java.lang.Object)
032         */
033        public Map getPrimaryKeyFieldValues(Object persistableObject) {
034                return getPrimaryKeyFieldValues(persistableObject, false);
035        }
036
037        /**
038         * @see org.kuali.rice.krad.service.PersistenceMetadataService#getPrimaryKeyFields(java.lang.Object,
039         *      boolean)
040         */
041        public Map getPrimaryKeyFieldValues(Object persistableObject, boolean sortFieldNames) {
042                if (persistableObject == null) {
043                        throw new IllegalArgumentException("invalid (null) persistableObject");
044                }
045
046                Map keyValueMap = null;
047                if (sortFieldNames) {
048                        keyValueMap = new TreeMap();
049                } else {
050                        keyValueMap = new HashMap();
051                }
052
053                String className = null;
054                String fieldName = null;
055                try {
056                        List fields = listPrimaryKeyFieldNames(persistableObject.getClass());
057                        for (Iterator i = fields.iterator(); i.hasNext();) {
058                                fieldName = (String) i.next();
059                                className = persistableObject.getClass().getName();
060                                Object fieldValue = PropertyUtils.getSimpleProperty(persistableObject, fieldName);
061
062                                keyValueMap.put(fieldName, fieldValue);
063                        }
064                } catch (IllegalAccessException e) {
065                        throw new IntrospectionException("problem accessing property '" + className + "." + fieldName + "'", e);
066                } catch (NoSuchMethodException e) {
067                        throw new IntrospectionException("unable to invoke getter for property '" + className + "." + fieldName + "'", e);
068                } catch (InvocationTargetException e) {
069                        throw new IntrospectionException("problem invoking getter for property '" + className + "." + fieldName + "'", e);
070                }
071
072                return keyValueMap;
073        }
074
075}