001/**
002 * Copyright 2005-2015 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.ojb.broker.metadata.ClassDescriptor;
027import org.apache.ojb.broker.metadata.DescriptorRepository;
028import org.kuali.rice.devtools.jpa.eclipselink.conv.ojb.OjbUtil;
029import org.kuali.rice.devtools.jpa.eclipselink.conv.parser.helper.AnnotationResolver;
030import org.kuali.rice.devtools.jpa.eclipselink.conv.parser.helper.Level;
031import org.kuali.rice.devtools.jpa.eclipselink.conv.parser.helper.NodeData;
032
033import java.util.Collection;
034
035public class EntityResolver implements AnnotationResolver {
036
037    public static final String PACKAGE = "javax.persistence";
038    public static final String SIMPLE_NAME = "Entity";
039
040    private final Collection<DescriptorRepository> descriptorRepositories;
041
042    public EntityResolver(Collection<DescriptorRepository> descriptorRepositories) {
043        this.descriptorRepositories = descriptorRepositories;
044    }
045
046    @Override
047    public String getFullyQualifiedName() {
048        return PACKAGE + "." + SIMPLE_NAME;
049    }
050
051    @Override
052    public Level getLevel() {
053        return Level.CLASS;
054    }
055
056    @Override
057    public NodeData resolve(Node node, String mappedClass) {
058        if (!(node instanceof ClassOrInterfaceDeclaration)) {
059            throw new IllegalArgumentException("this annotation belongs only on ClassOrInterfaceDeclaration");
060        }
061
062        final TypeDeclaration dclr = (TypeDeclaration) node;
063        if (!(dclr.getParentNode() instanceof CompilationUnit)) {
064            //handling nested classes
065            return null;
066        }
067
068        final String name = dclr.getName();
069        final String pckg = ((CompilationUnit) dclr.getParentNode()).getPackage().getName().toString();
070        final String enclosingClass = pckg + "." + name;
071
072        final ClassDescriptor cd = OjbUtil.findClassDescriptor(enclosingClass, descriptorRepositories);
073        if (cd != null) {
074            return new NodeData(new MarkerAnnotationExpr(new NameExpr(SIMPLE_NAME)),
075                    new ImportDeclaration(new QualifiedNameExpr(new NameExpr(PACKAGE), SIMPLE_NAME), false, false));
076        }
077
078        return null;
079    }
080}