Source Code Cross Referenced for BEBufferedRandomAccessFile.java in  » 6.0-JDK-Modules » Java-Advanced-Imaging » jj2000 » j2k » io » 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 » Java Advanced Imaging » jj2000.j2k.io 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * $RCSfile: BEBufferedRandomAccessFile.java,v $
003:         * $Revision: 1.1 $
004:         * $Date: 2005/02/11 05:02:15 $
005:         * $State: Exp $
006:         *
007:         * Interface:           RandomAccessIO.java
008:         *
009:         * Description:         Class for random access I/O (big-endian ordering).
010:         *
011:         *
012:         *
013:         * COPYRIGHT:
014:         *
015:         * This software module was originally developed by Raphaël Grosbois and
016:         * Diego Santa Cruz (Swiss Federal Institute of Technology-EPFL); Joel
017:         * Askelöf (Ericsson Radio Systems AB); and Bertrand Berthelot, David
018:         * Bouchard, Félix Henry, Gerard Mozelle and Patrice Onno (Canon Research
019:         * Centre France S.A) in the course of development of the JPEG2000
020:         * standard as specified by ISO/IEC 15444 (JPEG 2000 Standard). This
021:         * software module is an implementation of a part of the JPEG 2000
022:         * Standard. Swiss Federal Institute of Technology-EPFL, Ericsson Radio
023:         * Systems AB and Canon Research Centre France S.A (collectively JJ2000
024:         * Partners) agree not to assert against ISO/IEC and users of the JPEG
025:         * 2000 Standard (Users) any of their rights under the copyright, not
026:         * including other intellectual property rights, for this software module
027:         * with respect to the usage by ISO/IEC and Users of this software module
028:         * or modifications thereof for use in hardware or software products
029:         * claiming conformance to the JPEG 2000 Standard. Those intending to use
030:         * this software module in hardware or software products are advised that
031:         * their use may infringe existing patents. The original developers of
032:         * this software module, JJ2000 Partners and ISO/IEC assume no liability
033:         * for use of this software module or modifications thereof. No license
034:         * or right to this software module is granted for non JPEG 2000 Standard
035:         * conforming products. JJ2000 Partners have full right to use this
036:         * software module for his/her own purpose, assign or donate this
037:         * software module to any third party and to inhibit third parties from
038:         * using this software module for non JPEG 2000 Standard conforming
039:         * products. This copyright notice must be included in all copies or
040:         * derivative works of this software module.
041:         *
042:         * Copyright (c) 1999/2000 JJ2000 Partners.
043:         */
044:
045:        package jj2000.j2k.io;
046:
047:        import java.io.*;
048:
049:        /**
050:         * This class defines a Buffered Random Access File, where all I/O is
051:         * considered to be big-endian, and extends the
052:         * <tt>BufferedRandomAccessFile</tt> class.
053:         *
054:         * @see RandomAccessIO
055:         * @see BinaryDataOutput
056:         * @see BinaryDataInput
057:         * @see BufferedRandomAccessFile */
058:        public class BEBufferedRandomAccessFile extends
059:                BufferedRandomAccessFile implements  RandomAccessIO, EndianType {
060:
061:            /**
062:             * Constructor. Always needs a size for the buffer.
063:             *
064:             * @param file The file associated with the buffer
065:             *
066:             * @param mode "r" for read, "rw" or "rw+" for read and write mode ("rw+"
067:             *             opens the file for update whereas "rw" removes it
068:             *             before. So the 2 modes are different only if the file
069:             *             already exists).
070:             *
071:             * @param bufferSize The number of bytes to buffer
072:             *
073:             * @exception java.io.IOException If an I/O error ocurred.
074:             * */
075:            public BEBufferedRandomAccessFile(File file, String mode,
076:                    int bufferSize) throws IOException {
077:                super (file, mode, bufferSize);
078:                byteOrdering = BIG_ENDIAN;
079:            }
080:
081:            /**
082:             * Constructor. Uses the default value for the byte-buffer size (512
083:             * bytes).
084:             *
085:             * @param file The file associated with the buffer
086:             *
087:             * @param mode "r" for read, "rw" or "rw+" for read and write mode ("rw+"
088:             *             opens the file for update whereas "rw" removes it
089:             *             before. So the 2 modes are different only if the file
090:             *             already exists).
091:             *
092:             * @exception java.io.IOException If an I/O error ocurred.
093:             * */
094:            public BEBufferedRandomAccessFile(File file, String mode)
095:                    throws IOException {
096:                super (file, mode);
097:                byteOrdering = BIG_ENDIAN;
098:            }
099:
100:            /**
101:             * Constructor. Always needs a size for the buffer.
102:             *
103:             * @param name The name of the file associated with the buffer
104:             *
105:             * @param mode "r" for read, "rw" or "rw+" for read and write mode ("rw+"
106:             *             opens the file for update whereas "rw" removes it
107:             *             before. So the 2 modes are different only if the file
108:             *             already exists).
109:             *
110:             * @param bufferSize The number of bytes to buffer
111:             *
112:             * @exception java.io.IOException If an I/O error ocurred.
113:             * */
114:            public BEBufferedRandomAccessFile(String name, String mode,
115:                    int bufferSize) throws IOException {
116:                super (name, mode, bufferSize);
117:                byteOrdering = BIG_ENDIAN;
118:            }
119:
120:            /**
121:             * Constructor. Uses the default value for the byte-buffer size (512
122:             * bytes).
123:             *
124:             * @param name The name of the file associated with the buffer
125:             *
126:             * @param mode "r" for read, "rw" or "rw+" for read and write mode ("rw+"
127:             *             opens the file for update whereas "rw" removes it
128:             *             before. So the 2 modes are different only if the file
129:             *             already exists).
130:             *
131:             * @exception java.io.IOException If an I/O error ocurred.
132:             * */
133:            public BEBufferedRandomAccessFile(String name, String mode)
134:                    throws IOException {
135:                super (name, mode);
136:                byteOrdering = BIG_ENDIAN;
137:            }
138:
139:            /**
140:             * Writes the short value of <tt>v</tt> (i.e., 16 least significant bits)
141:             * to the output. Prior to writing, the output should be realigned at the
142:             * byte level.
143:             *
144:             * <P>Signed or unsigned data can be written. To write a signed value just
145:             * pass the <tt>short</tt> value as an argument. To write unsigned data
146:             * pass the <tt>int</tt> value as an argument (it will be automatically
147:             * casted, and only the 16 least significant bits will be written).
148:             *
149:             * @param v The value to write to the output
150:             *
151:             * @exception java.io.IOException If an I/O error ocurred.
152:             * */
153:            public final void writeShort(int v) throws IOException {
154:                write(v >>> 8);
155:                write(v);
156:            }
157:
158:            /**
159:             * Writes the int value of <tt>v</tt> (i.e., the 32 bits) to the
160:             * output. Prior to writing, the output should be realigned at the byte
161:             * level.
162:             *
163:             * @param v The value to write to the output
164:             *
165:             * @exception java.io.IOException If an I/O error ocurred.
166:             * */
167:            public final void writeInt(int v) throws IOException {
168:                write(v >>> 24);
169:                write(v >>> 16);
170:                write(v >>> 8);
171:                write(v);
172:            }
173:
174:            /**
175:             * Writes the long value of <tt>v</tt> (i.e., the 64 bits) to the
176:             * output. Prior to writing, the output should be realigned at the byte
177:             * level.
178:             *
179:             * @param v The value to write to the output
180:             *
181:             * @exception java.io.IOException If an I/O error ocurred.
182:             * */
183:            public final void writeLong(long v) throws IOException {
184:                write((int) (v >>> 56));
185:                write((int) (v >>> 48));
186:                write((int) (v >>> 40));
187:                write((int) (v >>> 32));
188:                write((int) (v >>> 24));
189:                write((int) (v >>> 16));
190:                write((int) (v >>> 8));
191:                write((int) v);
192:            }
193:
194:            /**
195:             * Writes the IEEE float value <tt>v</tt> (i.e., 32 bits) to the
196:             * output. Prior to writing, the output should be realigned at the byte
197:             * level.
198:             *
199:             * @param v The value to write to the output
200:             *
201:             * @exception java.io.IOException If an I/O error ocurred.
202:             * */
203:            public final void writeFloat(float v) throws IOException {
204:                int intV = Float.floatToIntBits(v);
205:
206:                write(intV >>> 24);
207:                write(intV >>> 16);
208:                write(intV >>> 8);
209:                write(intV);
210:            }
211:
212:            /**
213:             * Writes the IEEE double value <tt>v</tt> (i.e., 64 bits) to the
214:             * output. Prior to writing, the output should be realigned at the byte
215:             * level.
216:             *
217:             * @param v The value to write to the output
218:             *
219:             * @exception java.io.IOException If an I/O error ocurred.
220:             * */
221:            public final void writeDouble(double v) throws IOException {
222:                long longV = Double.doubleToLongBits(v);
223:
224:                write((int) (longV >>> 56));
225:                write((int) (longV >>> 48));
226:                write((int) (longV >>> 40));
227:                write((int) (longV >>> 32));
228:                write((int) (longV >>> 24));
229:                write((int) (longV >>> 16));
230:                write((int) (longV >>> 8));
231:                write((int) (longV));
232:            }
233:
234:            /**
235:             * Reads a signed short (i.e., 16 bit) from the input. Prior to reading,
236:             * the input should be realigned at the byte level.
237:             *
238:             * @return The next byte-aligned signed short (16 bit) from the
239:             * input.
240:             *
241:             * @exception java.io.EOFException If the end-of file was reached before
242:             * getting all the necessary data.
243:             *
244:             * @exception java.io.IOException If an I/O error ocurred.
245:             * */
246:            public final short readShort() throws IOException, EOFException {
247:                return (short) ((read() << 8) | (read()));
248:            }
249:
250:            /**
251:             * Reads an unsigned short (i.e., 16 bit) from the input. It is returned
252:             * as an <tt>int</tt> since Java does not have an unsigned short
253:             * type. Prior to reading, the input should be realigned at the byte
254:             * level.
255:             *
256:             * @return The next byte-aligned unsigned short (16 bit) from the
257:             * input, as an <tt>int</tt>.
258:             *
259:             * @exception java.io.EOFException If the end-of file was reached before
260:             * getting all the necessary data.
261:             *
262:             * @exception java.io.IOException If an I/O error ocurred.
263:             * */
264:            public final int readUnsignedShort() throws IOException,
265:                    EOFException {
266:                return ((read() << 8) | read());
267:            }
268:
269:            /**
270:             * Reads a signed int (i.e., 32 bit) from the input. Prior to reading, the
271:             * input should be realigned at the byte level.
272:             *
273:             * @return The next byte-aligned signed int (32 bit) from the
274:             * input.
275:             *
276:             * @exception java.io.EOFException If the end-of file was reached before
277:             * getting all the necessary data.
278:             *
279:             * @exception java.io.IOException If an I/O error ocurred.
280:             * */
281:            public final int readInt() throws IOException, EOFException {
282:                return ((read() << 24) | (read() << 16) | (read() << 8) | read());
283:            }
284:
285:            /**
286:             * Reads an unsigned int (i.e., 32 bit) from the input. It is returned as
287:             * a <tt>long</tt> since Java does not have an unsigned short type. Prior
288:             * to reading, the input should be realigned at the byte level.
289:             *
290:             * @return The next byte-aligned unsigned int (32 bit) from the
291:             * input, as a <tt>long</tt>.
292:             *
293:             * @exception java.io.EOFException If the end-of file was reached before
294:             * getting all the necessary data.
295:             *
296:             * @exception java.io.IOException If an I/O error ocurred.
297:             * */
298:            public final long readUnsignedInt() throws IOException,
299:                    EOFException {
300:                return (long) ((read() << 24) | (read() << 16) | (read() << 8) | read());
301:            }
302:
303:            /**
304:             * Reads a signed long (i.e., 64 bit) from the input. Prior to reading,
305:             * the input should be realigned at the byte level.
306:             *
307:             * @return The next byte-aligned signed long (64 bit) from the
308:             * input.
309:             *
310:             * @exception java.io.EOFException If the end-of file was reached before
311:             * getting all the necessary data.
312:             *
313:             * @exception java.io.IOException If an I/O error ocurred.
314:             * */
315:            public final long readLong() throws IOException, EOFException {
316:                return (((long) read() << 56) | ((long) read() << 48)
317:                        | ((long) read() << 40) | ((long) read() << 32)
318:                        | ((long) read() << 24) | ((long) read() << 16)
319:                        | ((long) read() << 8) | ((long) read()));
320:            }
321:
322:            /**
323:             * Reads an IEEE single precision (i.e., 32 bit) floating-point number
324:             * from the input. Prior to reading, the input should be realigned at the
325:             * byte level.
326:             *
327:             * @return The next byte-aligned IEEE float (32 bit) from the
328:             * input.
329:             *
330:             * @exception java.io.EOFException If the end-of file was reached before
331:             * getting all the necessary data.
332:             *
333:             * @exception java.io.IOException If an I/O error ocurred.
334:             * */
335:            public final float readFloat() throws EOFException, IOException {
336:                return Float.intBitsToFloat((read() << 24) | (read() << 16)
337:                        | (read() << 8) | (read()));
338:            }
339:
340:            /**
341:             * Reads an IEEE double precision (i.e., 64 bit) floating-point number
342:             * from the input. Prior to reading, the input should be realigned at the
343:             * byte level.
344:             *
345:             * @return The next byte-aligned IEEE double (64 bit) from the
346:             * input.
347:             *
348:             * @exception java.io.EOFException If the end-of file was reached before
349:             * getting all the necessary data.
350:             *
351:             * @exception java.io.IOException If an I/O error ocurred.
352:             * */
353:            public final double readDouble() throws IOException, EOFException {
354:                return Double.longBitsToDouble(((long) read() << 56)
355:                        | ((long) read() << 48) | ((long) read() << 40)
356:                        | ((long) read() << 32) | ((long) read() << 24)
357:                        | ((long) read() << 16) | ((long) read() << 8)
358:                        | ((long) read()));
359:            }
360:
361:            /**
362:             * Returns a string of information about the file and the endianess
363:             */
364:            public String toString() {
365:                return super .toString() + "\nBig-Endian ordering";
366:            }
367:        }
www.java2java.com | Contact Us
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.