| 1 | |
|
| 2 | |
|
| 3 | |
|
| 4 | |
|
| 5 | |
|
| 6 | |
|
| 7 | |
|
| 8 | |
|
| 9 | |
|
| 10 | |
|
| 11 | |
|
| 12 | |
|
| 13 | |
|
| 14 | |
|
| 15 | |
|
| 16 | |
package org.seasar.teeda.core.context; |
| 17 | |
|
| 18 | |
import java.util.AbstractCollection; |
| 19 | |
import java.util.AbstractMap; |
| 20 | |
import java.util.AbstractSet; |
| 21 | |
import java.util.ArrayList; |
| 22 | |
import java.util.Collection; |
| 23 | |
import java.util.Enumeration; |
| 24 | |
import java.util.Iterator; |
| 25 | |
import java.util.List; |
| 26 | |
import java.util.Map; |
| 27 | |
import java.util.Set; |
| 28 | |
|
| 29 | |
import org.seasar.framework.util.EnumerationIterator; |
| 30 | |
|
| 31 | |
|
| 32 | |
|
| 33 | |
|
| 34 | |
public abstract class AbstractExternalContextMap extends AbstractMap { |
| 35 | |
|
| 36 | |
|
| 37 | |
private Set entrySet_; |
| 38 | |
|
| 39 | |
private Set keySet_; |
| 40 | |
|
| 41 | |
private Collection values_; |
| 42 | |
|
| 43 | 66 | public AbstractExternalContextMap() { |
| 44 | 66 | } |
| 45 | |
|
| 46 | |
public void clear() { |
| 47 | |
|
| 48 | 1 | List list = new ArrayList(); |
| 49 | 1 | for (Enumeration e = getAttributeNames(); e.hasMoreElements();) { |
| 50 | 2 | String key = (String) e.nextElement(); |
| 51 | 2 | list.add(key); |
| 52 | |
} |
| 53 | 1 | clearReally(list); |
| 54 | 1 | } |
| 55 | |
|
| 56 | |
private void clearReally(List keys) { |
| 57 | 1 | for (Iterator itr = keys.iterator(); itr.hasNext();) { |
| 58 | 2 | String key = (String) itr.next(); |
| 59 | 2 | removeAttribute(key); |
| 60 | |
} |
| 61 | 1 | } |
| 62 | |
|
| 63 | |
public boolean containsKey(Object key) { |
| 64 | 40 | return (getAttribute(key.toString()) != null); |
| 65 | |
} |
| 66 | |
|
| 67 | |
public boolean containsValue(Object value) { |
| 68 | 2 | if (value != null) { |
| 69 | 2 | for (Enumeration e = getAttributeNames(); e.hasMoreElements();) { |
| 70 | 5 | String key = (String) e.nextElement(); |
| 71 | 5 | Object attributeValue = getAttribute(key); |
| 72 | 5 | if (value.equals(attributeValue)) { |
| 73 | 1 | return true; |
| 74 | |
} |
| 75 | |
} |
| 76 | |
} |
| 77 | 1 | return false; |
| 78 | |
} |
| 79 | |
|
| 80 | |
public Set entrySet() { |
| 81 | 1 | if (entrySet_ == null) { |
| 82 | 1 | entrySet_ = new EntrySet(this); |
| 83 | |
} |
| 84 | 1 | return entrySet_; |
| 85 | |
} |
| 86 | |
|
| 87 | |
public Object get(Object key) { |
| 88 | 64 | return getAttribute(key.toString()); |
| 89 | |
} |
| 90 | |
|
| 91 | |
public Object put(Object key, Object value) { |
| 92 | 41 | String keyStr = key.toString(); |
| 93 | 41 | Object o = getAttribute(keyStr); |
| 94 | 41 | setAttribute(keyStr, value); |
| 95 | 41 | return o; |
| 96 | |
} |
| 97 | |
|
| 98 | |
public void putAll(Map map) { |
| 99 | 1 | for (Iterator itr = map.entrySet().iterator(); itr.hasNext();) { |
| 100 | 2 | Map.Entry entry = (Map.Entry) itr.next(); |
| 101 | 2 | String key = (String) entry.getKey(); |
| 102 | 2 | setAttribute(key, entry.getValue()); |
| 103 | |
} |
| 104 | 1 | } |
| 105 | |
|
| 106 | |
public boolean isEmpty() { |
| 107 | 6 | return !getAttributeNames().hasMoreElements(); |
| 108 | |
} |
| 109 | |
|
| 110 | |
public Set keySet() { |
| 111 | 1 | if (keySet_ == null) { |
| 112 | 1 | keySet_ = new KeySet(this); |
| 113 | |
} |
| 114 | 1 | return keySet_; |
| 115 | |
} |
| 116 | |
|
| 117 | |
public Object remove(Object key) { |
| 118 | 1 | String keyStr = key.toString(); |
| 119 | 1 | Object o = getAttribute(keyStr); |
| 120 | 1 | removeAttribute(keyStr); |
| 121 | 1 | return o; |
| 122 | |
} |
| 123 | |
|
| 124 | |
public Collection values() { |
| 125 | 1 | if (values_ == null) { |
| 126 | 1 | values_ = new ValuesCollection(this); |
| 127 | |
} |
| 128 | 1 | return values_; |
| 129 | |
} |
| 130 | |
|
| 131 | |
protected abstract Object getAttribute(String key); |
| 132 | |
|
| 133 | |
protected abstract void setAttribute(String key, Object value); |
| 134 | |
|
| 135 | |
protected abstract Enumeration getAttributeNames(); |
| 136 | |
|
| 137 | |
protected abstract void removeAttribute(String key); |
| 138 | |
|
| 139 | 2 | abstract class AbstractExternalContextSet extends AbstractSet { |
| 140 | |
|
| 141 | |
|
| 142 | |
|
| 143 | |
|
| 144 | |
public int size() { |
| 145 | 0 | int size = 0; |
| 146 | 0 | for (Iterator itr = iterator(); itr.hasNext(); size++) { |
| 147 | 0 | itr.next(); |
| 148 | |
} |
| 149 | 0 | return size; |
| 150 | |
} |
| 151 | |
|
| 152 | |
} |
| 153 | |
|
| 154 | |
class EntrySet extends AbstractExternalContextSet { |
| 155 | |
|
| 156 | |
private AbstractExternalContextMap contextMap_; |
| 157 | |
|
| 158 | 1 | public EntrySet(AbstractExternalContextMap contextMap) { |
| 159 | 1 | contextMap_ = contextMap; |
| 160 | 1 | } |
| 161 | |
|
| 162 | |
|
| 163 | |
|
| 164 | |
|
| 165 | |
public Iterator iterator() { |
| 166 | 1 | return new EntryIterator(contextMap_); |
| 167 | |
} |
| 168 | |
|
| 169 | |
|
| 170 | |
|
| 171 | |
|
| 172 | |
public boolean remove(Object o) { |
| 173 | 0 | if (!(o instanceof Map.Entry)) { |
| 174 | 0 | return false; |
| 175 | |
} |
| 176 | 0 | Map.Entry entry = (Map.Entry) o; |
| 177 | 0 | Object returnObj = contextMap_.remove(entry.getKey()); |
| 178 | 0 | return (returnObj != null); |
| 179 | |
} |
| 180 | |
} |
| 181 | |
|
| 182 | |
class KeySet extends AbstractExternalContextSet { |
| 183 | |
|
| 184 | |
private AbstractExternalContextMap contextMap_; |
| 185 | |
|
| 186 | 1 | public KeySet(AbstractExternalContextMap contextMap) { |
| 187 | 1 | contextMap_ = contextMap; |
| 188 | 1 | } |
| 189 | |
|
| 190 | |
|
| 191 | |
|
| 192 | |
|
| 193 | |
public Iterator iterator() { |
| 194 | 1 | return new KeyIterator(contextMap_); |
| 195 | |
} |
| 196 | |
|
| 197 | |
|
| 198 | |
|
| 199 | |
|
| 200 | |
public boolean remove(Object o) { |
| 201 | 0 | if (!(o instanceof String)) { |
| 202 | 0 | return false; |
| 203 | |
} |
| 204 | 0 | String s = (String) o; |
| 205 | 0 | Object returnObj = contextMap_.remove(s); |
| 206 | 0 | return (returnObj != null); |
| 207 | |
} |
| 208 | |
} |
| 209 | |
|
| 210 | |
class ValuesCollection extends AbstractCollection { |
| 211 | |
|
| 212 | |
private AbstractExternalContextMap contextMap_; |
| 213 | |
|
| 214 | 1 | public ValuesCollection(AbstractExternalContextMap contextMap) { |
| 215 | 1 | contextMap_ = contextMap; |
| 216 | 1 | } |
| 217 | |
|
| 218 | |
public int size() { |
| 219 | 1 | int size = 0; |
| 220 | 4 | for (Iterator itr = iterator(); itr.hasNext(); size++) { |
| 221 | 3 | itr.next(); |
| 222 | |
} |
| 223 | 1 | return size; |
| 224 | |
} |
| 225 | |
|
| 226 | |
public Iterator iterator() { |
| 227 | 4 | return new ValuesIterator(contextMap_); |
| 228 | |
} |
| 229 | |
|
| 230 | |
} |
| 231 | |
|
| 232 | |
abstract class AbstractExternalContextIterator extends EnumerationIterator { |
| 233 | |
|
| 234 | |
private final AbstractExternalContextMap contextMap_; |
| 235 | |
|
| 236 | |
private String currentKey_; |
| 237 | |
|
| 238 | 6 | private boolean removeCalled_ = false; |
| 239 | |
|
| 240 | |
public AbstractExternalContextIterator( |
| 241 | 6 | final AbstractExternalContextMap contextMap) { |
| 242 | 6 | super(contextMap.getAttributeNames()); |
| 243 | 6 | contextMap_ = contextMap; |
| 244 | 6 | } |
| 245 | |
|
| 246 | |
public Object next() { |
| 247 | 13 | currentKey_ = (String) super.next(); |
| 248 | |
try { |
| 249 | 13 | return doNext(); |
| 250 | |
} finally { |
| 251 | 13 | removeCalled_ = false; |
| 252 | |
} |
| 253 | |
} |
| 254 | |
|
| 255 | |
public void remove() { |
| 256 | 0 | if (currentKey_ != null && !removeCalled_) { |
| 257 | 0 | doRemove(); |
| 258 | 0 | removeCalled_ = true; |
| 259 | |
} else { |
| 260 | 0 | throw new IllegalStateException(); |
| 261 | |
} |
| 262 | 0 | } |
| 263 | |
|
| 264 | |
protected String getCurrentKey() { |
| 265 | 13 | return currentKey_; |
| 266 | |
} |
| 267 | |
|
| 268 | |
protected Object getValueFromMap(String key) { |
| 269 | 11 | return contextMap_.get(key); |
| 270 | |
} |
| 271 | |
|
| 272 | |
protected void removeKeyFromMap(String key) { |
| 273 | 0 | contextMap_.remove(key); |
| 274 | 0 | } |
| 275 | |
|
| 276 | |
protected void removeValueFromMap(Object value) { |
| 277 | 0 | if (containsValue(value)) { |
| 278 | 0 | for (Iterator itr = entrySet().iterator(); itr.hasNext();) { |
| 279 | 0 | Map.Entry e = (Map.Entry) itr.next(); |
| 280 | 0 | if (value.equals(e.getValue())) { |
| 281 | 0 | contextMap_.remove(e.getKey()); |
| 282 | |
} |
| 283 | |
} |
| 284 | |
} |
| 285 | |
|
| 286 | 0 | } |
| 287 | |
|
| 288 | |
protected abstract Object doNext(); |
| 289 | |
|
| 290 | |
protected abstract void doRemove(); |
| 291 | |
} |
| 292 | |
|
| 293 | |
class EntryIterator extends AbstractExternalContextIterator { |
| 294 | |
|
| 295 | 1 | public EntryIterator(AbstractExternalContextMap contextMap) { |
| 296 | 1 | super(contextMap); |
| 297 | 1 | } |
| 298 | |
|
| 299 | |
protected Object doNext() { |
| 300 | 2 | String key = getCurrentKey(); |
| 301 | 2 | return new ImmutableEntry(key, getValueFromMap(key)); |
| 302 | |
} |
| 303 | |
|
| 304 | |
protected void doRemove() { |
| 305 | 0 | String key = getCurrentKey(); |
| 306 | 0 | removeKeyFromMap(key); |
| 307 | 0 | } |
| 308 | |
|
| 309 | |
} |
| 310 | |
|
| 311 | |
class KeyIterator extends AbstractExternalContextIterator { |
| 312 | |
|
| 313 | 1 | public KeyIterator(AbstractExternalContextMap contextMap) { |
| 314 | 1 | super(contextMap); |
| 315 | 1 | } |
| 316 | |
|
| 317 | |
protected Object doNext() { |
| 318 | 2 | return getCurrentKey(); |
| 319 | |
} |
| 320 | |
|
| 321 | |
protected void doRemove() { |
| 322 | 0 | removeKeyFromMap(getCurrentKey()); |
| 323 | 0 | } |
| 324 | |
} |
| 325 | |
|
| 326 | |
class ValuesIterator extends AbstractExternalContextIterator { |
| 327 | |
|
| 328 | 4 | public ValuesIterator(AbstractExternalContextMap contextMap) { |
| 329 | 4 | super(contextMap); |
| 330 | 4 | } |
| 331 | |
|
| 332 | |
protected Object doNext() { |
| 333 | 9 | String key = getCurrentKey(); |
| 334 | 9 | return getValueFromMap(key); |
| 335 | |
} |
| 336 | |
|
| 337 | |
protected void doRemove() { |
| 338 | 0 | String key = getCurrentKey(); |
| 339 | 0 | Object value = getValueFromMap(key); |
| 340 | 0 | removeValueFromMap(value); |
| 341 | 0 | } |
| 342 | |
|
| 343 | |
} |
| 344 | |
|
| 345 | |
protected static class ImmutableEntry implements Map.Entry { |
| 346 | |
|
| 347 | |
private final Object key_; |
| 348 | |
|
| 349 | |
private final Object value_; |
| 350 | |
|
| 351 | 2 | public ImmutableEntry(Object key, Object value) { |
| 352 | 2 | key_ = key; |
| 353 | 2 | value_ = value; |
| 354 | 2 | } |
| 355 | |
|
| 356 | |
public Object getKey() { |
| 357 | 0 | return key_; |
| 358 | |
} |
| 359 | |
|
| 360 | |
public Object getValue() { |
| 361 | 0 | return value_; |
| 362 | |
} |
| 363 | |
|
| 364 | |
public Object setValue(Object arg0) { |
| 365 | 0 | throw new UnsupportedOperationException("Immutable entry."); |
| 366 | |
} |
| 367 | |
|
| 368 | |
public boolean equals(Object obj) { |
| 369 | 0 | if (obj == null || !(obj instanceof ImmutableEntry)) { |
| 370 | 0 | return false; |
| 371 | |
} |
| 372 | 0 | ImmutableEntry entry = (ImmutableEntry) obj; |
| 373 | 0 | Object key = entry.getKey(); |
| 374 | 0 | Object value = entry.getValue(); |
| 375 | |
|
| 376 | 0 | return (key == key_ || (key != null && key.equals(key_))) |
| 377 | |
&& (value == value_ || (value != null && value |
| 378 | |
.equals(value_))); |
| 379 | |
} |
| 380 | |
|
| 381 | |
public int hashCode() { |
| 382 | 0 | return ((key_ != null) ? key_.hashCode() : 0) |
| 383 | |
^ ((value_ != null) ? value_.hashCode() : 0); |
| 384 | |
} |
| 385 | |
} |
| 386 | |
|
| 387 | |
} |