Source Code Cross Referenced for AugmentationsImpl.java in  » 6.0-JDK-Modules » sjsxp » com » sun » xml » stream » xerces » util » Java Source Code / Java DocumentationJava Source Code and Java Documentation

Java Source Code / Java Documentation
1. 6.0 JDK Core
2. 6.0 JDK Modules
3. 6.0 JDK Modules com.sun
4. 6.0 JDK Modules com.sun.java
5. 6.0 JDK Modules sun
6. 6.0 JDK Platform
7. Ajax
8. Apache Harmony Java SE
9. Aspect oriented
10. Authentication Authorization
11. Blogger System
12. Build
13. Byte Code
14. Cache
15. Chart
16. Chat
17. Code Analyzer
18. Collaboration
19. Content Management System
20. Database Client
21. Database DBMS
22. Database JDBC Connection Pool
23. Database ORM
24. Development
25. EJB Server geronimo
26. EJB Server GlassFish
27. EJB Server JBoss 4.2.1
28. EJB Server resin 3.1.5
29. ERP CRM Financial
30. ESB
31. Forum
32. GIS
33. Graphic Library
34. Groupware
35. HTML Parser
36. IDE
37. IDE Eclipse
38. IDE Netbeans
39. Installer
40. Internationalization Localization
41. Inversion of Control
42. Issue Tracking
43. J2EE
44. JBoss
45. JMS
46. JMX
47. Library
48. Mail Clients
49. Net
50. Parser
51. PDF
52. Portal
53. Profiler
54. Project Management
55. Report
56. RSS RDF
57. Rule Engine
58. Science
59. Scripting
60. Search Engine
61. Security
62. Sevlet Container
63. Source Control
64. Swing Library
65. Template Engine
66. Test Coverage
67. Testing
68. UML
69. Web Crawler
70. Web Framework
71. Web Mail
72. Web Server
73. Web Services
74. Web Services apache cxf 2.0.1
75. Web Services AXIS2
76. Wiki Engine
77. Workflow Engines
78. XML
79. XML UI
Java
Java Tutorial
Java Open Source
Jar File Download
Java Articles
Java Products
Java by API
Photoshop Tutorials
Maya Tutorials
Flash Tutorials
3ds-Max Tutorials
Illustrator Tutorials
GIMP Tutorials
C# / C Sharp
C# / CSharp Tutorial
C# / CSharp Open Source
ASP.Net
ASP.NET Tutorial
JavaScript DHTML
JavaScript Tutorial
JavaScript Reference
HTML / CSS
HTML CSS Reference
C / ANSI-C
C Tutorial
C++
C++ Tutorial
Ruby
PHP
Python
Python Tutorial
Python Open Source
SQL Server / T-SQL
SQL Server / T-SQL Tutorial
Oracle PL / SQL
Oracle PL/SQL Tutorial
PostgreSQL
SQL / MySQL
MySQL Tutorial
VB.Net
VB.Net Tutorial
Flash / Flex / ActionScript
VBA / Excel / Access / Word
XML
XML Tutorial
Microsoft Office PowerPoint 2007 Tutorial
Microsoft Office Excel 2007 Tutorial
Microsoft Office Word 2007 Tutorial
Java Source Code / Java Documentation » 6.0 JDK Modules » sjsxp » com.sun.xml.stream.xerces.util 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * The Apache Software License, Version 1.1
003:         *
004:         *
005:         * Copyright (c) 2000-2002 The Apache Software Foundation.  All rights 
006:         * reserved.
007:         *
008:         * Redistribution and use in source and binary forms, with or without
009:         * modification, are permitted provided that the following conditions
010:         * are met:
011:         *
012:         * 1. Redistributions of source code must retain the above copyright
013:         *    notice, this list of conditions and the following disclaimer. 
014:         *
015:         * 2. Redistributions in binary form must reproduce the above copyright
016:         *    notice, this list of conditions and the following disclaimer in
017:         *    the documentation and/or other materials provided with the
018:         *    distribution.
019:         *
020:         * 3. The end-user documentation included with the redistribution,
021:         *    if any, must include the following acknowledgment:  
022:         *       "This product includes software developed by the
023:         *        Apache Software Foundation (http://www.apache.org/)."
024:         *    Alternately, this acknowledgment may appear in the software itself,
025:         *    if and wherever such third-party acknowledgments normally appear.
026:         *
027:         * 4. The names "Xerces" and "Apache Software Foundation" must
028:         *    not be used to endorse or promote products derived from this
029:         *    software without prior written permission. For written 
030:         *    permission, please contact apache@apache.org.
031:         *
032:         * 5. Products derived from this software may not be called "Apache",
033:         *    nor may "Apache" appear in their name, without prior written
034:         *    permission of the Apache Software Foundation.
035:         *
036:         * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
037:         * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
038:         * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
039:         * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
040:         * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
041:         * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
042:         * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
043:         * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
044:         * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
045:         * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
046:         * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
047:         * SUCH DAMAGE.
048:         * ====================================================================
049:         *
050:         * This software consists of voluntary contributions made by many
051:         * individuals on behalf of the Apache Software Foundation and was
052:         * originally based on software copyright (c) 1999, International
053:         * Business Machines, Inc., http://www.apache.org.  For more
054:         * information on the Apache Software Foundation, please see
055:         * <http://www.apache.org/>.
056:         */
057:
058:        package com.sun.xml.stream.xerces.util;
059:
060:        import java.util.Hashtable;
061:        import java.util.Enumeration;
062:
063:        import com.sun.xml.stream.xerces.xni.Augmentations;
064:
065:        /**
066:         * This class provides an implementation for Augmentations interface. 
067:         * Augmentations interface defines a hashtable of additional data that could
068:         * be passed along the document pipeline. The information can contain extra
069:         * arguments or infoset augmentations, for example PSVI. This additional
070:         * information is identified by a String key.
071:         * <p>
072:         * 
073:         * @author Elena Litani, IBM
074:         * @version $Id: AugmentationsImpl.java,v 1.2 2006/04/01 06:01:40 jeffsuttor Exp $
075:         */
076:        public class AugmentationsImpl implements  Augmentations {
077:
078:            private AugmentationsItemsContainer fAugmentationsContainer = new SmallContainer();
079:
080:            /**
081:             * Add additional information identified by a key to the Augmentations structure.
082:             * 
083:             * @param key    Identifier, can't be <code>null</code>
084:             * @param item   Additional information
085:             *
086:             * @return the previous value of the specified key in the Augmentations strucutre,
087:             *         or <code>null</code> if it did not have one.
088:             */
089:            public Object putItem(String key, Object item) {
090:                Object oldValue = fAugmentationsContainer.putItem(key, item);
091:
092:                if (oldValue == null && fAugmentationsContainer.isFull()) {
093:                    fAugmentationsContainer = fAugmentationsContainer.expand();
094:                }
095:
096:                return oldValue;
097:            }
098:
099:            /**
100:             * Get information identified by a key from the Augmentations structure
101:             * 
102:             * @param key    Identifier, can't be <code>null</code>
103:             *
104:             * @return the value to which the key is mapped in the Augmentations structure;
105:             *         <code>null</code> if the key is not mapped to any value.
106:             */
107:            public Object getItem(String key) {
108:                return fAugmentationsContainer.getItem(key);
109:            }
110:
111:            /**
112:             * Remove additional info from the Augmentations structure
113:             * 
114:             * @param key    Identifier, can't be <code>null</code>
115:             */
116:            public Object removeItem(String key) {
117:                return fAugmentationsContainer.removeItem(key);
118:            }
119:
120:            /**
121:             * Returns an enumeration of the keys in the Augmentations structure
122:             *
123:             */
124:            public Enumeration keys() {
125:                return fAugmentationsContainer.keys();
126:            }
127:
128:            /**
129:             * Remove all objects from the Augmentations structure.
130:             */
131:            public void removeAllItems() {
132:                fAugmentationsContainer.clear();
133:            }
134:
135:            public String toString() {
136:                return fAugmentationsContainer.toString();
137:            }
138:
139:            abstract class AugmentationsItemsContainer {
140:                abstract public Object putItem(Object key, Object item);
141:
142:                abstract public Object getItem(Object key);
143:
144:                abstract public Object removeItem(Object key);
145:
146:                abstract public Enumeration keys();
147:
148:                abstract public void clear();
149:
150:                abstract public boolean isFull();
151:
152:                abstract public AugmentationsItemsContainer expand();
153:            }
154:
155:            class SmallContainer extends AugmentationsItemsContainer {
156:                final static int SIZE_LIMIT = 10;
157:                final Object[] fAugmentations = new Object[SIZE_LIMIT * 2];
158:                int fNumEntries = 0;
159:
160:                public Enumeration keys() {
161:                    return new SmallContainerKeyEnumeration();
162:                }
163:
164:                public Object getItem(Object key) {
165:                    for (int i = 0; i < fNumEntries * 2; i = i + 2) {
166:                        if (fAugmentations[i].equals(key)) {
167:                            return fAugmentations[i + 1];
168:                        }
169:                    }
170:
171:                    return null;
172:                }
173:
174:                public Object putItem(Object key, Object item) {
175:                    for (int i = 0; i < fNumEntries * 2; i = i + 2) {
176:                        if (fAugmentations[i].equals(key)) {
177:                            Object oldValue = fAugmentations[i + 1];
178:                            fAugmentations[i + 1] = item;
179:
180:                            return oldValue;
181:                        }
182:                    }
183:
184:                    fAugmentations[fNumEntries * 2] = key;
185:                    fAugmentations[fNumEntries * 2 + 1] = item;
186:                    fNumEntries++;
187:
188:                    return null;
189:                }
190:
191:                public Object removeItem(Object key) {
192:                    for (int i = 0; i < fNumEntries * 2; i = i + 2) {
193:                        if (fAugmentations[i].equals(key)) {
194:                            Object oldValue = fAugmentations[i + 1];
195:
196:                            for (int j = i; j < fNumEntries * 2 - 2; j = j + 2) {
197:                                fAugmentations[j] = fAugmentations[j + 2];
198:                                fAugmentations[j + 1] = fAugmentations[j + 3];
199:                            }
200:
201:                            fAugmentations[fNumEntries * 2 - 2] = null;
202:                            fAugmentations[fNumEntries * 2 - 1] = null;
203:                            fNumEntries--;
204:
205:                            return oldValue;
206:                        }
207:                    }
208:
209:                    return null;
210:                }
211:
212:                public void clear() {
213:                    for (int i = 0; i < fNumEntries * 2; i = i + 2) {
214:                        fAugmentations[i] = null;
215:                        fAugmentations[i + 1] = null;
216:                    }
217:
218:                    fNumEntries = 0;
219:                }
220:
221:                public boolean isFull() {
222:                    return (fNumEntries == SIZE_LIMIT);
223:                }
224:
225:                public AugmentationsItemsContainer expand() {
226:                    LargeContainer expandedContainer = new LargeContainer();
227:
228:                    for (int i = 0; i < fNumEntries * 2; i = i + 2) {
229:                        expandedContainer.putItem(fAugmentations[i],
230:                                fAugmentations[i + 1]);
231:                    }
232:
233:                    return expandedContainer;
234:                }
235:
236:                public String toString() {
237:                    StringBuffer buff = new StringBuffer();
238:                    buff.append("SmallContainer - fNumEntries == "
239:                            + fNumEntries);
240:
241:                    for (int i = 0; i < SIZE_LIMIT * 2; i = i + 2) {
242:                        buff.append("\nfAugmentations[");
243:                        buff.append(i);
244:                        buff.append("] == ");
245:                        buff.append(fAugmentations[i]);
246:                        buff.append("; fAugmentations[");
247:                        buff.append(i + 1);
248:                        buff.append("] == ");
249:                        buff.append(fAugmentations[i + 1]);
250:                    }
251:
252:                    return buff.toString();
253:                }
254:
255:                class SmallContainerKeyEnumeration implements  Enumeration {
256:                    Object[] enumArray = new Object[fNumEntries];
257:                    int next = 0;
258:
259:                    SmallContainerKeyEnumeration() {
260:                        for (int i = 0; i < fNumEntries; i++) {
261:                            enumArray[i] = fAugmentations[i * 2];
262:                        }
263:                    }
264:
265:                    public boolean hasMoreElements() {
266:                        return next < enumArray.length;
267:                    }
268:
269:                    public Object nextElement() {
270:                        if (next >= enumArray.length) {
271:                            throw new java.util.NoSuchElementException();
272:                        }
273:
274:                        Object nextVal = enumArray[next];
275:                        enumArray[next] = null;
276:                        next++;
277:
278:                        return nextVal;
279:                    }
280:                }
281:            }
282:
283:            class LargeContainer extends AugmentationsItemsContainer {
284:                final Hashtable fAugmentations = new Hashtable();
285:
286:                public Object getItem(Object key) {
287:                    return fAugmentations.get(key);
288:                }
289:
290:                public Object putItem(Object key, Object item) {
291:                    return fAugmentations.put(key, item);
292:                }
293:
294:                public Object removeItem(Object key) {
295:                    return fAugmentations.remove(key);
296:                }
297:
298:                public Enumeration keys() {
299:                    return fAugmentations.keys();
300:                }
301:
302:                public void clear() {
303:                    fAugmentations.clear();
304:                }
305:
306:                public boolean isFull() {
307:                    return false;
308:                }
309:
310:                public AugmentationsItemsContainer expand() {
311:                    return this ;
312:                }
313:
314:                public String toString() {
315:                    StringBuffer buff = new StringBuffer();
316:                    buff.append("LargeContainer");
317:                    Enumeration keys = fAugmentations.keys();
318:
319:                    while (keys.hasMoreElements()) {
320:                        Object key = keys.nextElement();
321:                        buff.append("\nkey == ");
322:                        buff.append(key);
323:                        buff.append("; value == ");
324:                        buff.append(fAugmentations.get(key));
325:                    }
326:
327:                    return buff.toString();
328:                }
329:            }
330:        }
www.java2java.com | Contact Us
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.