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56
57 package org.objectstyle.cayenne.dataview.dvmodeler;
58
59 import java.util.*;
60 import org.jdom.*;
61
62
67
68 public class ObjEntity extends DVObject {
69 private DataMap dataMap;
70 private String  className;
71 private List objAttributes = new ArrayList();
72 private List objEntityViews = new ArrayList();
73 private List loadErrors = new ArrayList();
74
75 private Set objAttributesNames = new HashSet();
76
77 public ObjEntity(DataMap dataMap, Element element) throws DVModelerException{
78 this.dataMap = dataMap;
79 String entityPath = "<b>" + dataMap.getName() + ".";
80 String attributeValue = element.getAttributeValue("name");
81 if ((attributeValue == null) || (attributeValue.length() == 0)){
82 entityPath += "</b><br>";
83 loadErrors.add(entityPath + " ObjEntity has no attribute \"name\" and cannot be loaded.<br><br>");
84 throw new DVModelerException(entityPath + " Entity has no attribute \"name\".");
85 } else {
86 setName(attributeValue);
87 entityPath += attributeValue + "</b><br>";
88 }
89 attributeValue = element.getAttributeValue("className");
90 if ((attributeValue == null) || (attributeValue.length() == 0)){
91 className = "";
92 loadErrors.add(entityPath + " ObjEntity has no attribute \"class-name\"<br><br>");
93 } else {
94 className = attributeValue;
95 }
96 List children = element.getChildren();
97 java.util.List attributeErrors = new ArrayList();
98 Iterator itr = children.iterator();
99 while(itr.hasNext()){
100 Object o = itr.next();
101 Element e = (Element)o;
102 if (e.getName().equals("obj-attribute")){
103 ObjAttribute objAttribute = new ObjAttribute(e);
104 objAttributes.add(objAttribute);
105 if (objAttributesNames.add(objAttribute.getName()) == false){
106 String path = "<b>" + dataMap + "." + getName() + "</b><br>";
107 loadErrors.add(path + "ObjAttribute \"" + objAttribute.getName()
108 + "\" already exists in the ObjEntity\"" + getName() + "\"<br><br>");
109 }
110
111 attributeErrors.addAll(objAttribute.getLoadErrors());
112 }
113 }
114 objAttributesNames.clear();
115 for (Iterator j = attributeErrors.iterator(); j.hasNext();){
116 String error = entityPath + ((String )j.next());
117 loadErrors.add(error);
118 }
119 dataMap.addObjEntity(this);
120 }
121
122 public ObjEntity(DataMap dataMap){
123 this.dataMap = dataMap;
124 setName("ObjEntity");
125 className = "";
126 dataMap.addObjEntity(this);
127 }
128
129 public List getLoadErrors(){
130 return Collections.unmodifiableList(loadErrors);
131 }
132
133 public void setDataMap(DataMap dataMap){
134 this.dataMap = dataMap;
135 }
136
137 public DataMap getDataMap(){
138 return dataMap;
139 }
140
141 public void addObjEntityView(ObjEntityView objEntityView){
142 objEntityViews.add(objEntityView);
143 }
144
145 public void removeObjEntityView(ObjEntityView objEntityView){
146 objEntityViews.remove(objEntityView);
147 }
148
149 public List getObjAttributes(){
150 return Collections.unmodifiableList(objAttributes);
151 }
152
153 public ObjAttribute getObjAttribute(String name){
154 Iterator itr = objAttributes.iterator();
155 while (itr.hasNext()){
156 Object o = itr.next();
157 ObjAttribute attribute = (ObjAttribute)o;
158 if(attribute.getName().equals(name)){
159 return attribute;
160 }
161 }
162 return null;
163 }
164
165 public ObjAttribute getObjAttribute(int index){
166 return (ObjAttribute)objAttributes.get(index);
167 }
168
169 public List getObjEntityViews(){
170 return Collections.unmodifiableList(objEntityViews);
171 }
172
173 public void setClassName(String className){
174 this.className = className;
175 }
176
177 public String getClassName(){
178 return className;
179 }
180
181 public String toString(){
182 return this.getName();
183 }
184
185 public ObjEntityView getObjEntityView(int index){
186 return (ObjEntityView)(objEntityViews.get(index));
187 }
188
189 public int getObjEntityViewCount(){
190 return objEntityViews.size();
191 }
192
193 public int getObjAttributeCount(){
194 return objAttributes.size();
195 }
196
197 public int getIndexOfObjEntityView(ObjEntityView objEntityView){
198 return objEntityViews.indexOf(objEntityView);
199 }
200
201 }
202 |
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