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19 package org.netbeans.mdr.handlers;
20
21 import java.util.*;
22 import org.netbeans.api.mdr.events.AttributeEvent;
23 import org.netbeans.mdr.util.EventNotifier;
24
25
29 public class AttrCollWrapper extends AttrImmutCollWrapper {
30 protected final EventNotifier.Abstract notifier;
31 protected String  attrName = null;
32 protected final boolean isStatic;
33
34 public AttrCollWrapper(FeaturedHandler source, int attrIndex, String attrName) {
35 super(source._getMdrStorage(), source, attrIndex, attrName);
36 EventNotifier en = source._getMdrStorage().getEventNotifier();
37 this.isStatic = source instanceof ClassProxyHandler;
38 this.notifier = isStatic ? (EventNotifier.Abstract) en.CLASS : (EventNotifier.Abstract) en.INSTANCE;
39 }
40
41 public AttrCollWrapper(FeaturedHandler source, Collection inner) {
42 super(source._getMdrStorage(), inner);
43 this.source = source;
44 EventNotifier en = source._getMdrStorage().getEventNotifier();
45 this.isStatic = source instanceof ClassProxyHandler;
46 this.notifier = isStatic ? (EventNotifier.Abstract) en.CLASS : (EventNotifier.Abstract) en.INSTANCE;
47 }
48
49 public void setAttrName(String name) {
50 this.attrName = name;
51 }
52
53 public final Iterator iterator() {
54 lock(false);
55 try {
56 return new AttrIteratorWrapper(getInnerCollection().iterator());
57 } finally {
58 unlock();
59 }
60 }
61
62 public final void clear() {
63 boolean fail = true;
64 lock(true);
65 try {
66 Object elements[] = getInnerCollection().toArray();
67 for (int i = 0; i < elements.length; i++) {
68 remove(elements[i]);
69 }
70 fail = false;
71 } finally {
72 unlock(fail);
73 }
74 }
75
76 public final boolean addAll(Collection collection) {
77 boolean fail = true;
78 lock(true);
79 try {
80 boolean result = false;
81 for (Iterator it = collection.iterator(); it.hasNext();) {
82 result |= add(it.next());
83 }
84 fail = false;
85 return result;
86 } finally {
87 unlock(fail);
88 }
89 }
90
91 public final boolean remove(Object obj) {
92 boolean fail = true;
93 lock(true);
94 try {
95 if (storage.eventsEnabled()) {
96 AttributeEvent event = new AttributeEvent(
97 source,
98 isStatic ? AttributeEvent.EVENT_CLASSATTR_REMOVE : AttributeEvent.EVENT_ATTRIBUTE_REMOVE,
99 attrName,
100 obj, null,
101 AttributeEvent.POSITION_NONE);
102 notifier.firePlannedChange(source, event);
103 }
104 boolean result = getInnerCollection().remove(obj);
105 fail = false;
106 return result;
107 } finally {
108 unlock(fail);
109 }
110 }
111
112 public final boolean add(Object obj) {
113 boolean fail = true;
114 lock(true);
115 try {
116 if (storage.eventsEnabled()) {
117 AttributeEvent event = new AttributeEvent(
118 source,
119 isStatic ? AttributeEvent.EVENT_CLASSATTR_ADD : AttributeEvent.EVENT_ATTRIBUTE_ADD,
120 attrName,
121 null, obj,
122 AttributeEvent.POSITION_NONE);
123 notifier.firePlannedChange(source, event);
124 }
125 boolean result = getInnerCollection().add(obj);
126 fail = false;
127 return result;
128 } finally {
129 unlock(fail);
130 }
131 }
132
133 public boolean retainAll(Collection collection) {
134 boolean fail = true;
135 lock(true);
136 try {
137 boolean result = false;
138 Object elements[] = getInnerCollection().toArray();
139 for (int i = 0; i < elements.length; i++) {
140 if (!collection.contains(elements[i])) {
141 remove(elements[i]);
142 result = true;
143 }
144 }
145 fail = false;
146 return result;
147 } finally {
148 unlock(fail);
149 }
150 }
151
152 public boolean removeAll(Collection collection) {
153 boolean fail = true;
154 lock(true);
155 try {
156 boolean result = false;
157 for (Iterator it = collection.iterator(); it.hasNext();) {
158 result |= remove(it.next());
159 }
160 fail = false;
161 return result;
162 } finally {
163 unlock(fail);
164 }
165 }
166
167 protected class AttrIteratorWrapper extends AttrImmutIteratorWrapper {
168 protected Object lastRead = null;
169
170 protected AttrIteratorWrapper(Iterator innerIterator) {
171 super(innerIterator);
172 }
173
174 public Object next() {
175 return (lastRead = super.next());
176 }
177
178 public void remove() {
179 boolean fail = true;
180 lock(true);
181 try {
182 if (storage.eventsEnabled()) {
183 AttributeEvent event = new AttributeEvent(
184 source,
185 isStatic ? AttributeEvent.EVENT_CLASSATTR_REMOVE : AttributeEvent.EVENT_ATTRIBUTE_REMOVE,
186 attrName,
187 lastRead, null,
188 AttributeEvent.POSITION_NONE);
189 notifier.firePlannedChange(source, event);
190 }
191 innerIterator.remove();
192 fail = false;
193 } finally {
194 unlock(fail);
195 }
196 }
197 }
198 }
199 |
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