Source code: org/objectstyle/cayenne/project/validator/ObjEntityValidator.java
1 /* ====================================================================
2 *
3 * The ObjectStyle Group Software License, Version 1.0
4 *
5 * Copyright (c) 2002-2003 The ObjectStyle Group
6 * and individual authors of the software. All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 *
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 *
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in
17 * the documentation and/or other materials provided with the
18 * distribution.
19 *
20 * 3. The end-user documentation included with the redistribution, if
21 * any, must include the following acknowlegement:
22 * "This product includes software developed by the
23 * ObjectStyle Group (http://objectstyle.org/)."
24 * Alternately, this acknowlegement may appear in the software itself,
25 * if and wherever such third-party acknowlegements normally appear.
26 *
27 * 4. The names "ObjectStyle Group" and "Cayenne"
28 * must not be used to endorse or promote products derived
29 * from this software without prior written permission. For written
30 * permission, please contact andrus@objectstyle.org.
31 *
32 * 5. Products derived from this software may not be called "ObjectStyle"
33 * nor may "ObjectStyle" appear in their names without prior written
34 * permission of the ObjectStyle Group.
35 *
36 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
37 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
38 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
39 * DISCLAIMED. IN NO EVENT SHALL THE OBJECTSTYLE GROUP OR
40 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
41 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
42 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
43 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
44 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
45 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
46 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
47 * SUCH DAMAGE.
48 * ====================================================================
49 *
50 * This software consists of voluntary contributions made by many
51 * individuals on behalf of the ObjectStyle Group. For more
52 * information on the ObjectStyle Group, please see
53 * <http://objectstyle.org/>.
54 *
55 */
56 package org.objectstyle.cayenne.project.validator;
57
58 import java.util.Iterator;
59
60 import org.objectstyle.cayenne.map.DataMap;
61 import org.objectstyle.cayenne.map.ObjEntity;
62 import org.objectstyle.cayenne.project.ProjectPath;
63 import org.objectstyle.cayenne.util.Util;
64
65 /**
66 * @author Andrei Adamchik
67 */
68 public class ObjEntityValidator extends TreeNodeValidator {
69
70 /**
71 * Constructor for ObjEntityValidator.
72 */
73 public ObjEntityValidator() {
74 super();
75 }
76
77 public void validateObject(ProjectPath path, Validator validator) {
78 ObjEntity ent = (ObjEntity) path.getObject();
79 validateName(ent, path, validator);
80 validateClassName(ent, path, validator);
81
82 // validate DbEntity presence
83 if (ent.getDbEntity() == null) {
84 validator.registerWarning("ObjEntity has no DbEntity mapping.", path);
85 }
86
87 // validate Java Class
88 if (Util.isEmptyString(ent.getClassName())) {
89 validator.registerWarning("ObjEntity has no Java class mapped.", path);
90 }
91
92 }
93
94 private void validateClassName(ObjEntity ent, ProjectPath path, Validator validator) {
95 String className = ent.getClassName();
96
97 if (Util.isEmptyString(className)) {
98 return; //empty is ok
99 }
100
101 DataMap map = (DataMap) path.getObjectParent();
102 if (map == null) {
103 return;
104 }
105
106 // check for duplicate class names in the parent context
107 Iterator it = map.getObjEntities().iterator();
108 while (it.hasNext()) {
109 ObjEntity otherEnt = (ObjEntity) it.next();
110 if (otherEnt == ent) {
111 continue;
112 }
113
114 if (className.equals(otherEnt.getClassName())) {
115 validator.registerWarning("Duplicate ObjEntity class name: " + className + ".", path);
116 break;
117 }
118 }
119
120 }
121
122
123 protected void validateName(ObjEntity ent, ProjectPath path, Validator validator) {
124 String name = ent.getName();
125
126 // Must have name
127 if (Util.isEmptyString(name)) {
128 validator.registerError("Unnamed ObjEntity.", path);
129 return;
130 }
131
132 DataMap map = (DataMap) path.getObjectParent();
133 if (map == null) {
134 return;
135 }
136
137 // check for duplicate names in the parent context
138 Iterator it = map.getObjEntities().iterator();
139 while (it.hasNext()) {
140 ObjEntity otherEnt = (ObjEntity) it.next();
141 if (otherEnt == ent) {
142 continue;
143 }
144
145 if (name.equals(otherEnt.getName())) {
146 validator.registerError("Duplicate ObjEntity name: " + name + ".", path);
147 break;
148 }
149 }
150 }
151 }