KickJava   Java API By Example, From Geeks To Geeks.

Java > Open Source Codes > org > objectstyle > cayenne > dataview > dvmodeler > Lookup


1 /* ====================================================================
2  *
3  * The ObjectStyle Group Software License, version 1.1
4  * ObjectStyle Group - http://objectstyle.org/
5  *
6  * Copyright (c) 2002-2005, Andrei (Andrus) Adamchik and individual authors
7  * of the software. All rights reserved.
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted provided that the following conditions
11  * are met:
12  *
13  * 1. Redistributions of source code must retain the above copyright
14  * notice, this list of conditions and the following disclaimer.
15  *
16  * 2. Redistributions in binary form must reproduce the above copyright
17  * notice, this list of conditions and the following disclaimer in
18  * the documentation and/or other materials provided with the
19  * distribution.
20  *
21  * 3. The end-user documentation included with the redistribution, if any,
22  * must include the following acknowlegement:
23  * "This product includes software developed by independent contributors
24  * and hosted on ObjectStyle Group web site (http://objectstyle.org/)."
25  * Alternately, this acknowlegement may appear in the software itself,
26  * if and wherever such third-party acknowlegements normally appear.
27  *
28  * 4. The names "ObjectStyle Group" and "Cayenne" must not be used to endorse
29  * or promote products derived from this software without prior written
30  * permission. For written permission, email
31  * "andrus at objectstyle dot org".
32  *
33  * 5. Products derived from this software may not be called "ObjectStyle"
34  * or "Cayenne", nor may "ObjectStyle" or "Cayenne" appear in their
35  * names without prior written permission.
36  *
37  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
38  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
39  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
40  * DISCLAIMED. IN NO EVENT SHALL THE OBJECTSTYLE GROUP OR
41  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
42  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
43  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
44  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
45  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
46  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
47  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
48  * SUCH DAMAGE.
49  * ====================================================================
50  *
51  * This software consists of voluntary contributions made by many
52  * individuals and hosted on ObjectStyle Group web site. For more
53  * information on the ObjectStyle Group, please see
54  * <http://objectstyle.org/>.
55  */

56
57 package org.objectstyle.cayenne.dataview.dvmodeler;
58
59 import java.util.*;
60 import org.jdom.*;
61
62 /**
63  *
64  * @author Nataliya Kholodna
65  * @version 1.0
66  */

67
68 public class Lookup{
69   private ObjEntityViewField objEntityViewField;
70   private ObjEntityView lookupObjEntityView;//required
71
private ObjEntityViewField lookupField;//required
72

73   private List saveErrors = new ArrayList();
74
75   public Lookup(ObjEntityViewField objEntityViewField){
76     this.objEntityViewField = objEntityViewField;
77     lookupObjEntityView = null;
78     lookupField = null;
79   }
80
81   public List getSaveErrors(){
82     return Collections.unmodifiableList(saveErrors);
83   }
84
85   public boolean isEmpty(){
86     return (lookupField == null)&&(lookupObjEntityView == null);
87   }
88
89   public void setLookupObjEntityView(ObjEntityView view){
90     lookupObjEntityView = view;
91   }
92
93   public ObjEntityView getLookupObjEntityView(){
94     return lookupObjEntityView;
95   }
96
97
98   public void setLookupField(ObjEntityViewField field){
99     lookupField = field;
100   }
101
102   public ObjEntityViewField getLookupField(){
103     return lookupField;
104   }
105   public String JavaDoc toString(){
106     String JavaDoc resultString = "";
107     if (lookupObjEntityView != null){
108       resultString += lookupObjEntityView.getName();
109     }
110
111     if (lookupField != null ){
112       resultString += "." + lookupField.getName();
113     }else{
114       resultString += "";
115     }
116     return resultString;
117   }
118
119   public Element getLookupElement(){
120     Element e = new Element("lookup");
121     if (saveErrors.size() != 0){
122       saveErrors.clear();
123     }
124     ObjEntityView view = objEntityViewField.getObjEntityView();
125     DataView dataView = view.getDataView();
126     String JavaDoc fieldPath = "<b>" + dataView.getName() + "." + view.getName()
127                        + "." + objEntityViewField.getName() + "</b><br>";
128     if (lookupObjEntityView != null){
129       e.setAttribute(new Attribute("obj-entity-view-name", lookupObjEntityView.getName()));
130     }else {
131       e.setAttribute(new Attribute("obj-entity-view-name", ""));
132       saveErrors.add(fieldPath + "lookup hasn't attribute \"obj-entity-view-name\"<br><br>");
133     }
134     if (lookupField != null){
135       e.setAttribute(new Attribute("field-name", lookupField.getName()));
136     }else {
137       e.setAttribute(new Attribute("field-name", ""));
138       saveErrors.add(fieldPath + "lookup hasn't attribute \"field-name\"<br><br>");
139     }
140     e.addContent("");
141
142     return e;
143   }
144 }
145
Popular Tags