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.ImportDeclaration;
019import japa.parser.ast.expr.AnnotationExpr;
020import japa.parser.ast.expr.Expression;
021import japa.parser.ast.expr.NameExpr;
022import japa.parser.ast.expr.QualifiedNameExpr;
023import org.apache.commons.logging.Log;
024import org.apache.commons.logging.LogFactory;
025import org.apache.ojb.broker.metadata.DescriptorRepository;
026import org.kuali.rice.devtools.jpa.eclipselink.conv.parser.helper.NodeData;
027
028import java.util.Collection;
029import java.util.List;
030
031public class JoinColumnResolver extends AbstractJoinColumnResolver {
032    private static final Log LOG = LogFactory.getLog(JoinColumnResolver.class);
033
034    public static final String PACKAGE = "javax.persistence";
035    public static final String SIMPLE_NAME = "JoinColumn";
036
037    public JoinColumnResolver(Collection<DescriptorRepository> descriptorRepositories) {
038        super(descriptorRepositories);
039    }
040    @Override
041    public String getFullyQualifiedName() {
042        return PACKAGE + "." + SIMPLE_NAME;
043    }
044
045    @Override
046    protected NodeData getAnnotationNodes(String enclosingClass, String fieldName, String mappedClass) {
047        final List<Expression> joinColumns = getJoinColumns(enclosingClass, fieldName, mappedClass);
048        if (joinColumns != null && joinColumns.size() == 1) {
049            return new NodeData((AnnotationExpr) joinColumns.get(0),
050                    new ImportDeclaration(new QualifiedNameExpr(new NameExpr(PACKAGE), SIMPLE_NAME), false, false));
051        }
052
053        return null;
054    }
055}