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19 package org.netbeans.mdr.handlers.gen;
20
21 import java.util.*;
22
23 import javax.jmi.reflect.*;
24 import javax.jmi.model.MultiplicityType;
25
26 import org.netbeans.mdr.handlers.*;
27 import org.netbeans.mdr.storagemodel.*;
28 import org.netbeans.mdr.util.*;
29
30
35 public class ContentsFinder extends Object  {
36 private final HashMap snameToObject = new HashMap();
37 private final Class superClass;
38 private final String substName;
39 private final boolean derived;
40
41 private static String firstUpper(String text) {
42 if (text == null) return null;
43 if (text.length() < 2) return text.toUpperCase(Locale.US);
44 return text.substring(0, 1).toUpperCase(Locale.US) + text.substring(1);
45 }
46
47 private void retrieveContents(StorableBaseObject storable, StorableObject meta) throws Exception {
48 List contents = (List) meta.getReference(MOFConstants.SH_MODEL_NAMESPACE_CONTENTS);
49 StorableObject element;
50 String substName;
51
52 for (Iterator it = contents.iterator(); it.hasNext();) {
53 element = (StorableObject) it.next();
54 substName = TagSupport.getSubstName(element);
55 snameToObject.put(firstUpper(substName), new ElementDescriptor(storable, element));
56 }
57
58 List supertypes = (List) meta.getReference(MOFConstants.SH_MODEL_GENERALIZABLE_ELEMENT_SUPERTYPES);
59
60 for (Iterator it = supertypes.iterator(); it.hasNext();) {
61 element = (StorableObject) it.next();
62 retrieveContents(storable, element);
63 }
64 }
65
73
74 public ContentsFinder(StorableBaseObject storable) {
75 try {
76 boolean derived = false;
77 StorableObject meta = storable.getMetaObject();
78 retrieveContents(storable, meta);
79 substName = TagSupport.getSubstName(meta);
80 if (storable instanceof StorableAssociation) {
81 derived = ((Boolean ) meta.getAttribute(MOFConstants.SH_MODEL_ASSOCIATION_IS_DERIVED)).booleanValue();
82 Class temp = null;
83 if (derived) try {
84 temp = BaseObjectHandler.resolveImplementation(TagSupport.getImplFullName(meta, TagSupport.ASSOCIATION));
85 } catch (ClassNotFoundException e) {
86 temp = null;
87 }
88 if (temp == null) {
89 temp = AssociationHandler.class;
90 }
91 superClass = temp;
92 } else if (storable instanceof StorablePackage) {
93 superClass = PackageProxyHandler.class;
94 } else if (storable instanceof StorableObject) {
95 superClass = ((StorableObject) storable).getClassProxy().getInstanceSuperclass();
96 } else if (storable instanceof StorableClass) {
97 superClass = ((StorableClass) storable).getClassSuperclass();
98 } else {
99 superClass = null;
100 }
101 this.derived = derived;
102 } catch (Exception e) {
103 throw (DebugException) Logger.getDefault().annotate(new DebugException(), e);
104 }
105 }
106
107 public Class getHandlerClass() {
108 return superClass;
109 }
110
111 public String getSubstName() {
112 return substName;
113 }
114
115 public boolean isDerived() {
116 return derived;
117 }
118
119 public ElementDescriptor lookup(String substName) {
120 return (ElementDescriptor) snameToObject.get(firstUpper(substName));
121 }
122
123 public class ElementDescriptor {
124 public static final int ATTRIBUTE = 1;
125 public static final int REFERENCE = 2;
126 public static final int OPERATION = 4;
127 public static final int CLASS = 8;
128 public static final int PACKAGE = 16;
129 public static final int ASSOCIATION = 32;
130 public static final int DATATYPE = 64;
131 public static final int ASSOCIATION_END = 128;
132 public static final int IMPORT = 256;
133
134 private final String name;
135 private final int type;
136 private final boolean multivalued;
137 private final boolean ordered;
138 private final boolean writable;
139 private final boolean derived;
140 private final int index;
141
142 private ElementDescriptor(StorableBaseObject parent, StorableObject storable) {
143 try {
144 name = (String ) storable.getAttribute(MOFConstants.SH_MODEL_MODEL_ELEMENT_NAME);
145 String typeName = (String ) storable.getMetaObject().getAttribute(MOFConstants.SH_MODEL_MODEL_ELEMENT_NAME);
146
147 boolean multivalued = false;
148 boolean ordered = false;
149 boolean writable = false;
150 boolean derived = false;
151 int index = 0;
152
153 if (typeName.equals(MOFConstants.SH_MODEL_ATTRIBUTE) || typeName.equals(MOFConstants.SH_MODEL_REFERENCE)) {
154 MultiplicityType multiplicity = (MultiplicityType) storable.getAttribute(MOFConstants.SH_MODEL_STRUCTURAL_FEATURE_MULTIPLICITY);
155 multivalued = !((multiplicity.getUpper() == 1) && (multiplicity.getLower() == 1));
156 ordered = multiplicity.isOrdered() && multivalued;
157 writable = ((Boolean ) storable.getAttribute(MOFConstants.SH_MODEL_STRUCTURAL_FEATURE_IS_CHANGEABLE)).booleanValue();
158 if (typeName.equals(MOFConstants.SH_MODEL_REFERENCE)) {
159 type = 2;
160 } else {
161 type = 1;
162 derived = ((Boolean ) storable.getAttribute(MOFConstants.SH_MODEL_ASSOCIATION_IS_DERIVED)).booleanValue();
163 if (!derived) {
164 index = ((StorableFeatured) parent).getClassProxy().getAttrIndex(name);
165 }
166 }
167 } else if (typeName.equals(MOFConstants.SH_MODEL_OPERATION)) {
168 type = 4;
169 derived = true;
170 } else if (typeName.equals(MOFConstants.SH_MODEL_CLASS)) {
171 type = 8;
172 } else if (typeName.equals(MOFConstants.SH_MODEL_PACKAGE)) {
173 type = 16;
174 } else if (typeName.equals(MOFConstants.SH_MODEL_ASSOCIATION)) {
175 type = 32;
176 } else if (typeName.equals(MOFConstants.SH_MODEL_ENUMERATION_TYPE) || typeName.equals(MOFConstants.SH_MODEL_STRUCTURE_TYPE)) {
177 type = 64;
178 } else if (typeName.equals(MOFConstants.SH_MODEL_ASSOCIATION_END)) {
179 type = 128;
180 } else if (typeName.equals(MOFConstants.SH_MODEL_IMPORT)) {
181 type = 256;
182 } else {
183 type = 0;
184 }
185
186 this.multivalued = multivalued;
187 this.ordered = ordered;
188 this.writable = writable;
189 this.derived = derived;
190 this.index = index;
191 } catch (Exception e) {
192 throw (DebugException) Logger.getDefault().annotate(new DebugException(), e);
193 }
194 }
195
196 public String getName() {
197 return name;
198 }
199
200 public int getIndex() {
201 return index;
202 }
203
204 public boolean isOfType(int type) {
205 return (this.type & type) != 0;
206 }
207
208 public boolean isMultivalued() {
209 return multivalued;
210 }
211
212 public boolean isOrdered() {
213 return ordered;
214 }
215
216 public boolean canModify() {
217 return writable;
218 }
219
220 public boolean isDerived() {
221 return derived;
222 }
223 }
224 }
225 |
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