001 /*
002 GRANITE DATA SERVICES
003 Copyright (C) 2007-2010 ADEQUATE SYSTEMS SARL
004
005 This file is part of Granite Data Services.
006
007 Granite Data Services is free software; you can redistribute it and/or modify
008 it under the terms of the GNU Library General Public License as published by
009 the Free Software Foundation; either version 2 of the License, or (at your
010 option) any later version.
011
012 Granite Data Services is distributed in the hope that it will be useful, but
013 WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
014 FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License
015 for more details.
016
017 You should have received a copy of the GNU Library General Public License
018 along with this library; if not, see <http://www.gnu.org/licenses/>.
019 */
020
021 package org.granite.generator.as3;
022
023 import java.lang.annotation.Annotation;
024 import java.lang.reflect.Field;
025 import java.lang.reflect.Method;
026 import java.net.URL;
027
028 import javax.jdo.annotations.PersistenceCapable;
029 import javax.jdo.annotations.Persistent;
030 import javax.jdo.annotations.PrimaryKey;
031 import javax.persistence.EmbeddedId;
032 import javax.persistence.Entity;
033 import javax.persistence.Id;
034 import javax.persistence.MappedSuperclass;
035 import javax.persistence.Version;
036
037 import org.granite.generator.as3.reflect.JavaEntityBean;
038 import org.granite.generator.as3.reflect.JavaFieldProperty;
039 import org.granite.generator.as3.reflect.JavaProperty;
040 import org.granite.generator.as3.reflect.JavaType;
041 import org.granite.generator.as3.reflect.JavaTypeFactory;
042
043
044 public class DefaultEntityFactory implements EntityFactory {
045
046 public boolean isEntity(Class<?> clazz) {
047 return clazz.isAnnotationPresent(Entity.class) ||
048 clazz.isAnnotationPresent(MappedSuperclass.class) ||
049 clazz.isAnnotationPresent(PersistenceCapable.class);
050 }
051
052 public JavaType newEntity(JavaTypeFactory provider, Class<?> type, URL url) {
053 return new JavaEntityBean(provider, type, url);
054 }
055
056 public boolean isId(JavaFieldProperty fieldProperty) {
057 Field field = fieldProperty.getMember();
058 Method getter = (fieldProperty.getReadMethod() != null ? fieldProperty.getReadMethod().getMember() : null);
059 Method setter = (fieldProperty.getWriteMethod() != null ? fieldProperty.getWriteMethod().getMember() : null);
060
061 if (field.isAnnotationPresent(Persistent.class)) {
062 Annotation annotation = field.getAnnotation(Persistent.class);
063 if (annotation instanceof Persistent) {
064 Persistent persistAnnotation = (Persistent)annotation;
065 String pk = persistAnnotation.primaryKey();
066 if (pk != null && pk.toLowerCase().equals("true"))
067 return true;
068 }
069 if (field.isAnnotationPresent(PrimaryKey.class))
070 return true;
071 }
072
073 return
074 (field.isAnnotationPresent(Id.class) || field.isAnnotationPresent(EmbeddedId.class)) ||
075 (getter != null && (getter.isAnnotationPresent(Id.class) || getter.isAnnotationPresent(EmbeddedId.class))) ||
076 (setter != null && (setter.isAnnotationPresent(Id.class) || setter.isAnnotationPresent(EmbeddedId.class)));
077 }
078
079 public boolean isVersion(JavaProperty property) {
080 if (property.isAnnotationPresent(Version.class))
081 return true;
082
083 if (property.getType().isAnnotationPresent(javax.jdo.annotations.Version.class)) {
084 // Get JDO version field using specific DataNucleus extension
085 javax.jdo.annotations.Version versionAnnotation = property.getType().getAnnotation(javax.jdo.annotations.Version.class);
086 javax.jdo.annotations.Extension[] extensions = versionAnnotation.extensions();
087 for (javax.jdo.annotations.Extension extension : extensions) {
088 if ("datanucleus".equals(extension.vendorName()) && "field-name".equals(extension.key()))
089 return property.getName().equals(extension.value());
090 }
091 }
092 return false;
093 }
094 }