Source Code Cross Referenced for SpyMapMessage.java in  » EJB-Server-JBoss-4.2.1 » messaging » org » jboss » mq » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » EJB Server JBoss 4.2.1 » messaging » org.jboss.mq 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * JBoss, Home of Professional Open Source.
003:         * Copyright 2006, Red Hat Middleware LLC, and individual contributors
004:         * as indicated by the @author tags. See the copyright.txt file in the
005:         * distribution for a full listing of individual contributors.
006:         *
007:         * This is free software; you can redistribute it and/or modify it
008:         * under the terms of the GNU Lesser General Public License as
009:         * published by the Free Software Foundation; either version 2.1 of
010:         * the License, or (at your option) any later version.
011:         *
012:         * This software is distributed in the hope that it will be useful,
013:         * but WITHOUT ANY WARRANTY; without even the implied warranty of
014:         * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
015:         * Lesser General Public License for more details.
016:         *
017:         * You should have received a copy of the GNU Lesser General Public
018:         * License along with this software; if not, write to the Free
019:         * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
020:         * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
021:         */
022:        package org.jboss.mq;
023:
024:        import java.io.Externalizable;
025:        import java.io.IOException;
026:        import java.io.ObjectInput;
027:        import java.io.ObjectOutput;
028:        import java.util.Collections;
029:        import java.util.Enumeration;
030:        import java.util.HashMap;
031:        import java.util.Hashtable;
032:
033:        import javax.jms.JMSException;
034:        import javax.jms.MapMessage;
035:        import javax.jms.MessageFormatException;
036:        import javax.jms.MessageNotWriteableException;
037:
038:        import org.jboss.util.Primitives;
039:
040:        /**
041:         * This class implements javax.jms.MapMessage
042:         * 
043:         * @author Norbert Lataille (Norbert.Lataille@m4x.org)
044:         * @author <a href="mailto:adrian@jboss.org">Adrian Brock</a>
045:         * @version $Revision: 57198 $
046:         */
047:        public class SpyMapMessage extends SpyMessage implements  MapMessage,
048:                Externalizable {
049:            // Constants -----------------------------------------------------
050:
051:            /** The serialVersionUID */
052:            private final static long serialVersionUID = -4917633165373197269L;
053:
054:            // Attributes ----------------------------------------------------
055:
056:            /** The content */
057:            HashMap content;
058:
059:            // Static --------------------------------------------------------
060:
061:            // Constructors --------------------------------------------------
062:
063:            /**
064:             * Create a new SpyMapMessage
065:             */
066:            public SpyMapMessage() {
067:                content = new HashMap();
068:            }
069:
070:            // Public --------------------------------------------------------
071:
072:            // MapMessage implementation -------------------------------------
073:
074:            public void setBoolean(String name, boolean value)
075:                    throws JMSException {
076:                checkName(name);
077:                if (header.msgReadOnly)
078:                    throw new MessageNotWriteableException(
079:                            "Message is ReadOnly !");
080:                synchronized (content) {
081:                    content.put(name, Primitives.valueOf(value));
082:                }
083:            }
084:
085:            public void setByte(String name, byte value) throws JMSException {
086:                checkName(name);
087:                if (header.msgReadOnly)
088:                    throw new MessageNotWriteableException(
089:                            "Message is ReadOnly !");
090:                synchronized (content) {
091:                    content.put(name, new Byte(value));
092:                }
093:            }
094:
095:            public void setShort(String name, short value) throws JMSException {
096:                checkName(name);
097:                if (header.msgReadOnly)
098:                    throw new MessageNotWriteableException(
099:                            "Message is ReadOnly !");
100:                synchronized (content) {
101:                    content.put(name, new Short(value));
102:                }
103:            }
104:
105:            public void setChar(String name, char value) throws JMSException {
106:                checkName(name);
107:                if (header.msgReadOnly)
108:                    throw new MessageNotWriteableException(
109:                            "Message is ReadOnly !");
110:                synchronized (content) {
111:                    content.put(name, new Character(value));
112:                }
113:            }
114:
115:            public void setInt(String name, int value) throws JMSException {
116:                checkName(name);
117:                if (header.msgReadOnly)
118:                    throw new MessageNotWriteableException(
119:                            "Message is ReadOnly !");
120:                synchronized (content) {
121:                    content.put(name, new Integer(value));
122:                }
123:            }
124:
125:            public void setLong(String name, long value) throws JMSException {
126:                checkName(name);
127:                if (header.msgReadOnly)
128:                    throw new MessageNotWriteableException(
129:                            "Message is ReadOnly !");
130:                synchronized (content) {
131:                    content.put(name, new Long(value));
132:                }
133:            }
134:
135:            public void setFloat(String name, float value) throws JMSException {
136:                checkName(name);
137:                if (header.msgReadOnly)
138:                    throw new MessageNotWriteableException(
139:                            "Message is ReadOnly !");
140:                synchronized (content) {
141:                    content.put(name, new Float(value));
142:                }
143:            }
144:
145:            public void setDouble(String name, double value)
146:                    throws JMSException {
147:                checkName(name);
148:                if (header.msgReadOnly)
149:                    throw new MessageNotWriteableException(
150:                            "Message is ReadOnly !");
151:                synchronized (content) {
152:                    content.put(name, new Double(value));
153:                }
154:            }
155:
156:            public void setString(String name, String value)
157:                    throws JMSException {
158:                checkName(name);
159:                if (header.msgReadOnly)
160:                    throw new MessageNotWriteableException(
161:                            "Message is ReadOnly !");
162:                synchronized (content) {
163:                    content.put(name, value);
164:                }
165:            }
166:
167:            public void setBytes(String name, byte[] value) throws JMSException {
168:                checkName(name);
169:                if (header.msgReadOnly)
170:                    throw new MessageNotWriteableException(
171:                            "Message is ReadOnly !");
172:                synchronized (content) {
173:                    content.put(name, value.clone());
174:                }
175:            }
176:
177:            public void setBytes(String name, byte[] value, int offset,
178:                    int length) throws JMSException {
179:                checkName(name);
180:                if (header.msgReadOnly)
181:                    throw new MessageNotWriteableException(
182:                            "Message is ReadOnly !");
183:
184:                if (offset + length > value.length)
185:                    throw new JMSException("Array is too small");
186:                byte[] temp = new byte[length];
187:                for (int i = 0; i < length; i++)
188:                    temp[i] = value[i + offset];
189:
190:                synchronized (content) {
191:                    content.put(name, temp);
192:                }
193:            }
194:
195:            public void setObject(String name, Object value)
196:                    throws JMSException {
197:                checkName(name);
198:                if (header.msgReadOnly)
199:                    throw new MessageNotWriteableException(
200:                            "Message is ReadOnly !");
201:
202:                synchronized (content) {
203:                    if (value instanceof  Boolean)
204:                        content.put(name, value);
205:                    else if (value instanceof  Byte)
206:                        content.put(name, value);
207:                    else if (value instanceof  Short)
208:                        content.put(name, value);
209:                    else if (value instanceof  Character)
210:                        content.put(name, value);
211:                    else if (value instanceof  Integer)
212:                        content.put(name, value);
213:                    else if (value instanceof  Long)
214:                        content.put(name, value);
215:                    else if (value instanceof  Float)
216:                        content.put(name, value);
217:                    else if (value instanceof  Double)
218:                        content.put(name, value);
219:                    else if (value instanceof  String)
220:                        content.put(name, value);
221:                    else if (value instanceof  byte[])
222:                        content.put(name, ((byte[]) value).clone());
223:                    else
224:                        throw new MessageFormatException("Invalid object type.");
225:                }
226:            }
227:
228:            public boolean getBoolean(String name) throws JMSException {
229:                Object value;
230:                synchronized (content) {
231:                    value = content.get(name);
232:                }
233:                if (value == null)
234:                    return Boolean.valueOf(null).booleanValue();
235:
236:                if (value instanceof  Boolean)
237:                    return ((Boolean) value).booleanValue();
238:                else if (value instanceof  String)
239:                    return Boolean.valueOf((String) value).booleanValue();
240:                else
241:                    throw new MessageFormatException("Invalid conversion");
242:            }
243:
244:            public byte getByte(String name) throws JMSException {
245:                Object value;
246:                synchronized (content) {
247:                    value = content.get(name);
248:                }
249:                if (value == null)
250:                    return Byte.parseByte(null);
251:
252:                if (value instanceof  Byte)
253:                    return ((Byte) value).byteValue();
254:                else if (value instanceof  String)
255:                    return Byte.parseByte((String) value);
256:                else
257:                    throw new MessageFormatException("Invalid conversion");
258:            }
259:
260:            public short getShort(String name) throws JMSException {
261:                Object value;
262:                synchronized (content) {
263:                    value = content.get(name);
264:                }
265:                if (value == null)
266:                    return Short.parseShort(null);
267:
268:                if (value instanceof  Byte)
269:                    return ((Byte) value).shortValue();
270:                else if (value instanceof  Short)
271:                    return ((Short) value).shortValue();
272:                else if (value instanceof  String)
273:                    return Short.parseShort((String) value);
274:                else
275:                    throw new MessageFormatException("Invalid conversion");
276:            }
277:
278:            public char getChar(String name) throws JMSException {
279:                Object value;
280:                synchronized (content) {
281:                    value = content.get(name);
282:                }
283:                if (value == null)
284:                    throw new NullPointerException("Invalid conversion");
285:
286:                if (value instanceof  Character)
287:                    return ((Character) value).charValue();
288:                else
289:                    throw new MessageFormatException("Invalid conversion");
290:            }
291:
292:            public int getInt(String name) throws JMSException {
293:                Object value;
294:                synchronized (content) {
295:                    value = content.get(name);
296:                }
297:                if (value == null)
298:                    return Integer.parseInt(null);
299:
300:                if (value instanceof  Byte)
301:                    return ((Byte) value).intValue();
302:                else if (value instanceof  Short)
303:                    return ((Short) value).intValue();
304:                else if (value instanceof  Integer)
305:                    return ((Integer) value).intValue();
306:                else if (value instanceof  String)
307:                    return Integer.parseInt((String) value);
308:                else
309:                    throw new MessageFormatException("Invalid conversion");
310:            }
311:
312:            public long getLong(String name) throws JMSException {
313:                Object value;
314:                synchronized (content) {
315:                    value = content.get(name);
316:                }
317:                if (value == null)
318:                    return Long.parseLong(null);
319:
320:                if (value instanceof  Byte)
321:                    return ((Byte) value).longValue();
322:                else if (value instanceof  Short)
323:                    return ((Short) value).longValue();
324:                else if (value instanceof  Integer)
325:                    return ((Integer) value).longValue();
326:                else if (value instanceof  Long)
327:                    return ((Long) value).longValue();
328:                else if (value instanceof  String)
329:                    return Long.parseLong((String) value);
330:                else
331:                    throw new MessageFormatException("Invalid conversion");
332:            }
333:
334:            public float getFloat(String name) throws JMSException {
335:                Object value;
336:                synchronized (content) {
337:                    value = content.get(name);
338:                }
339:                if (value == null)
340:                    return Float.parseFloat(null);
341:
342:                if (value instanceof  Float)
343:                    return ((Float) value).floatValue();
344:                else if (value instanceof  String)
345:                    return Float.parseFloat((String) value);
346:                else
347:                    throw new MessageFormatException("Invalid conversion");
348:            }
349:
350:            public double getDouble(String name) throws JMSException {
351:                Object value;
352:                synchronized (content) {
353:                    value = content.get(name);
354:                }
355:                if (value == null)
356:                    return Double.parseDouble(null);
357:
358:                if (value instanceof  Float)
359:                    return ((Float) value).doubleValue();
360:                else if (value instanceof  Double)
361:                    return ((Double) value).doubleValue();
362:                else if (value instanceof  String)
363:                    return Double.parseDouble((String) value);
364:                else
365:                    throw new MessageFormatException("Invalid conversion");
366:            }
367:
368:            public String getString(String name) throws JMSException {
369:                Object value;
370:                synchronized (content) {
371:                    value = content.get(name);
372:                }
373:                if (value == null)
374:                    return null;
375:
376:                if (value instanceof  Boolean)
377:                    return ((Boolean) value).toString();
378:                else if (value instanceof  Byte)
379:                    return ((Byte) value).toString();
380:                else if (value instanceof  Short)
381:                    return ((Short) value).toString();
382:                else if (value instanceof  Character)
383:                    return ((Character) value).toString();
384:                else if (value instanceof  Integer)
385:                    return ((Integer) value).toString();
386:                else if (value instanceof  Long)
387:                    return ((Long) value).toString();
388:                else if (value instanceof  Float)
389:                    return ((Float) value).toString();
390:                else if (value instanceof  Double)
391:                    return ((Double) value).toString();
392:                else if (value instanceof  String)
393:                    return (String) value;
394:                else
395:                    throw new MessageFormatException("Invalid conversion");
396:            }
397:
398:            public byte[] getBytes(String name) throws JMSException {
399:                Object value;
400:                synchronized (content) {
401:                    value = content.get(name);
402:                }
403:                if (value == null)
404:                    return null;
405:                if (value instanceof  byte[])
406:                    return (byte[]) value;
407:                else
408:                    throw new MessageFormatException("Invalid conversion");
409:            }
410:
411:            public Object getObject(String name) throws JMSException {
412:                synchronized (content) {
413:                    return content.get(name);
414:                }
415:            }
416:
417:            public Enumeration getMapNames() throws JMSException {
418:                synchronized (content) {
419:                    return Collections.enumeration(new HashMap(content)
420:                            .keySet());
421:                }
422:            }
423:
424:            public boolean itemExists(String name) throws JMSException {
425:                synchronized (content) {
426:                    return content.containsKey(name);
427:                }
428:            }
429:
430:            // SpyMessage overrides ------------------------------------------
431:
432:            public void clearBody() throws JMSException {
433:                content = new HashMap();
434:                super .clearBody();
435:            }
436:
437:            public SpyMessage myClone() throws JMSException {
438:                SpyMapMessage result = MessagePool.getMapMessage();
439:                result.copyProps(this );
440:                synchronized (content) {
441:                    result.content = (HashMap) this .content.clone();
442:                }
443:                return result;
444:            }
445:
446:            // Externalizable implementation ---------------------------------
447:
448:            public void writeExternal(ObjectOutput out) throws IOException {
449:                super .writeExternal(out);
450:                // TODO: For backwards compatbility this should really
451:                //       write out a hashtable. But if the content contained nulls
452:                //       the old client wouldn't be able to deserialize it anyway.
453:                out.writeObject(content);
454:            }
455:
456:            public void readExternal(ObjectInput in) throws IOException,
457:                    ClassNotFoundException {
458:                super .readExternal(in);
459:                Object object = in.readObject();
460:                // This is a hack for backwards compatibility
461:                if (object instanceof  Hashtable) {
462:                    Hashtable ht = (Hashtable) object;
463:                    content = new HashMap(ht.size());
464:                    content.putAll(ht);
465:                } else
466:                    content = (HashMap) object;
467:            }
468:
469:            // Package protected ---------------------------------------------
470:
471:            // Protected -----------------------------------------------------
472:
473:            // Private -------------------------------------------------------
474:
475:            /**
476:             * Check the name
477:             * 
478:             * @param name the name
479:             */
480:            private void checkName(String name) {
481:                if (name == null)
482:                    throw new IllegalArgumentException("Name must not be null.");
483:
484:                if (name.equals(""))
485:                    throw new IllegalArgumentException(
486:                            "Name must not be an empty String.");
487:            }
488:
489:            // Inner classes -------------------------------------------------
490:
491:        }
492:        /*
493:         * vim:ts=3:sw=3:et
494:         */
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