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.devtools.jpa.eclipselink.conv.parser.helper.resolver;
017
018import japa.parser.ast.CompilationUnit;
019import japa.parser.ast.ImportDeclaration;
020import japa.parser.ast.Node;
021import japa.parser.ast.body.ClassOrInterfaceDeclaration;
022import japa.parser.ast.body.TypeDeclaration;
023import japa.parser.ast.expr.MarkerAnnotationExpr;
024import japa.parser.ast.expr.NameExpr;
025import japa.parser.ast.expr.QualifiedNameExpr;
026import org.apache.commons.logging.Log;
027import org.apache.commons.logging.LogFactory;
028import org.apache.ojb.broker.metadata.ClassDescriptor;
029import org.apache.ojb.broker.metadata.DescriptorRepository;
030import org.kuali.rice.devtools.jpa.eclipselink.conv.ojb.OjbUtil;
031import org.kuali.rice.devtools.jpa.eclipselink.conv.parser.helper.AnnotationResolver;
032import org.kuali.rice.devtools.jpa.eclipselink.conv.parser.helper.Level;
033import org.kuali.rice.devtools.jpa.eclipselink.conv.parser.helper.NodeData;
034
035import java.util.Collection;
036
037public class EntityResolver implements AnnotationResolver {
038    private static final Log LOG = LogFactory.getLog(EntityResolver.class);
039
040    public static final String PACKAGE = "javax.persistence";
041    public static final String SIMPLE_NAME = "Entity";
042
043    private final Collection<DescriptorRepository> descriptorRepositories;
044
045    public EntityResolver(Collection<DescriptorRepository> descriptorRepositories) {
046        this.descriptorRepositories = descriptorRepositories;
047    }
048
049    @Override
050    public String getFullyQualifiedName() {
051        return PACKAGE + "." + SIMPLE_NAME;
052    }
053
054    @Override
055    public Level getLevel() {
056        return Level.CLASS;
057    }
058
059    @Override
060    public NodeData resolve(Node node, String mappedClass) {
061        if (!(node instanceof ClassOrInterfaceDeclaration)) {
062            throw new IllegalArgumentException("this annotation belongs only on ClassOrInterfaceDeclaration");
063        }
064
065        final TypeDeclaration dclr = (TypeDeclaration) node;
066        if (!(dclr.getParentNode() instanceof CompilationUnit)) {
067            //handling nested classes
068            return null;
069        }
070
071        final String name = dclr.getName();
072        final String pckg = ((CompilationUnit) dclr.getParentNode()).getPackage().getName().toString();
073        final String enclosingClass = pckg + "." + name;
074
075        final ClassDescriptor cd = OjbUtil.findClassDescriptor(enclosingClass, descriptorRepositories);
076        if (cd != null) {
077            return new NodeData(new MarkerAnnotationExpr(new NameExpr(SIMPLE_NAME)),
078                    new ImportDeclaration(new QualifiedNameExpr(new NameExpr(PACKAGE), SIMPLE_NAME), false, false));
079        }
080
081        return null;
082    }
083}