Source Code Cross Referenced for OpenMBeanParameterInfoSupport.java in  » EJB-Server-JBoss-4.2.1 » jmx » javax » management » openmbean » 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 » jmx » javax.management.openmbean 
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 javax.management.openmbean;
023:
024:        import java.io.Serializable;
025:        import java.util.Collections;
026:        import java.util.HashSet;
027:        import java.util.Set;
028:
029:        import javax.management.MBeanParameterInfo;
030:
031:        /**
032:         * OpenMBeanParameterInfo implementation
033:         *
034:         * @author  <a href="mailto:Adrian.Brock@HappeningTimes.com">Adrian Brock</a>.
035:         *
036:         * @version $Revision: 57200 $
037:         *
038:         */
039:        public class OpenMBeanParameterInfoSupport extends MBeanParameterInfo
040:                implements  OpenMBeanParameterInfo, Serializable {
041:            // Constants -----------------------------------------------------
042:
043:            private static final long serialVersionUID = -7235016873758443122L;
044:
045:            // Attributes ----------------------------------------------------
046:
047:            /**
048:             * The OpenType of this parameter
049:             */
050:            private OpenType openType;
051:
052:            /**
053:             * The default value of this parameter
054:             */
055:            private Object defaultValue;
056:
057:            /**
058:             * The legal values of this parameter
059:             */
060:            private Set legalValues;
061:
062:            /**
063:             * The minimum value of this parameter
064:             */
065:            private Comparable minValue;
066:
067:            /**
068:             * The maximum value of this parameter
069:             */
070:            private Comparable maxValue;
071:
072:            private transient int cachedHashCode;
073:
074:            private transient String cachedToString;
075:
076:            // Static --------------------------------------------------------
077:
078:            // Constructors --------------------------------------------------
079:
080:            /**
081:             * Contruct an OpenMBeanParameterInfoSupport<p>
082:             *
083:             * @param name cannot be null or empty
084:             * @param description cannot be null or empty
085:             * @param openType cannot be null
086:             * @exception IllegalArgumentException when one of the above
087:             *            constraints is not satisfied
088:             */
089:            public OpenMBeanParameterInfoSupport(String name,
090:                    String description, OpenType openType) {
091:                super (name, openType == null ? null : openType.getClassName(),
092:                        description);
093:                try {
094:                    init(name, description, openType, null, null, null, null);
095:                } catch (OpenDataException notRelevent) {
096:                }
097:            }
098:
099:            /**
100:             * Contruct an OpenMBeanParameterInfoSupport<p>
101:             *
102:             * @param name cannot be null or empty
103:             * @param description cannot be null or empty
104:             * @param openType cannot be null
105:             * @param defaultValue the default value
106:             * @exception IllegalArgumentException when one of the above
107:             *            constraints is not satisfied
108:             * @exception OpenDataException when default value is not correct for
109:             *            the open type or cannot specify a default value for
110:             *            ArrayType and TabularType
111:             */
112:            public OpenMBeanParameterInfoSupport(String name,
113:                    String description, OpenType openType, Object defaultValue)
114:                    throws OpenDataException {
115:                super (name, openType == null ? null : openType.getClassName(),
116:                        description);
117:                init(name, description, openType, defaultValue, null, null,
118:                        null);
119:            }
120:
121:            /**
122:             * Contruct an OpenMBeanParameterInfoSupport<p>
123:             *
124:             * @param name cannot be null or empty
125:             * @param description cannot be null or empty
126:             * @param openType cannot be null
127:             * @param defaultValue the default value
128:             * @param legalValues an array of legal values
129:             * @exception IllegalArgumentException when one of the above
130:             *            constraints is not satisfied
131:             */
132:            public OpenMBeanParameterInfoSupport(String name,
133:                    String description, OpenType openType, Object defaultValue,
134:                    Object[] legalValues) throws OpenDataException {
135:                super (name, openType == null ? null : openType.getClassName(),
136:                        description);
137:                init(name, description, openType, defaultValue, legalValues,
138:                        null, null);
139:            }
140:
141:            /**
142:             * Contruct an OpenMBeanParameterInfoSupport<p>
143:             *
144:             * @param name cannot be null or empty
145:             * @param description cannot be null or empty
146:             * @param openType cannot be null
147:             * @param defaultValue the default value
148:             * @param minValue the minimum value
149:             * @param maxValue the maximum value
150:             * @exception IllegalArgumentException when one of the above
151:             *            constraints is not satisfied
152:             */
153:            public OpenMBeanParameterInfoSupport(String name,
154:                    String description, OpenType openType, Object defaultValue,
155:                    Comparable minValue, Comparable maxValue)
156:                    throws OpenDataException {
157:                super (name, openType == null ? null : openType.getClassName(),
158:                        description);
159:                init(name, description, openType, defaultValue, null, minValue,
160:                        maxValue);
161:            }
162:
163:            // Public --------------------------------------------------------
164:
165:            // OpenMBeanParameterInfo Implementation -------------------------
166:
167:            public Object getDefaultValue() {
168:                return defaultValue;
169:            }
170:
171:            public Set getLegalValues() {
172:                return legalValues;
173:            }
174:
175:            public Comparable getMinValue() {
176:                return minValue;
177:            }
178:
179:            public Comparable getMaxValue() {
180:                return maxValue;
181:            }
182:
183:            public OpenType getOpenType() {
184:                return openType;
185:            }
186:
187:            public boolean hasDefaultValue() {
188:                return (defaultValue != null);
189:            }
190:
191:            public boolean hasLegalValues() {
192:                return (legalValues != null);
193:            }
194:
195:            public boolean hasMinValue() {
196:                return (minValue != null);
197:            }
198:
199:            public boolean hasMaxValue() {
200:                return (maxValue != null);
201:            }
202:
203:            public boolean isValue(Object obj) {
204:                if (openType.isValue(obj) == false)
205:                    return false;
206:                if (minValue != null && minValue.compareTo(obj) > 0)
207:                    return false;
208:                if (maxValue != null && maxValue.compareTo(obj) < 0)
209:                    return false;
210:                if (legalValues != null && legalValues.contains(obj) == false)
211:                    return false;
212:                return true;
213:            }
214:
215:            // Object Overrides ----------------------------------------------
216:
217:            public boolean equals(Object obj) {
218:                if (this  == obj)
219:                    return true;
220:                if (obj == null
221:                        || !(obj instanceof  OpenMBeanParameterInfoSupport))
222:                    return false;
223:                OpenMBeanParameterInfo other = (OpenMBeanParameterInfo) obj;
224:
225:                if (this .getName().equals(other.getName()) == false)
226:                    return false;
227:
228:                if (this .getOpenType().equals(other.getOpenType()) == false)
229:                    return false;
230:
231:                if (hasDefaultValue() == false
232:                        && other.hasDefaultValue() == true)
233:                    return false;
234:                if (hasDefaultValue() == true
235:                        && this .getDefaultValue().equals(
236:                                other.getDefaultValue()) == false)
237:                    return false;
238:
239:                if (hasMinValue() == false && other.hasMinValue() == true)
240:                    return false;
241:                if (hasMinValue() == true
242:                        && this .getMinValue().equals(other.getMinValue()) == false)
243:                    return false;
244:
245:                if (hasMaxValue() == false && other.hasMaxValue() == true)
246:                    return false;
247:                if (hasMaxValue() == true
248:                        && this .getMaxValue().equals(other.getMaxValue()) == false)
249:                    return false;
250:
251:                if (hasLegalValues() == false && other.hasLegalValues() == true)
252:                    return false;
253:                if (hasLegalValues() == true) {
254:                    Set otherLegal = other.getLegalValues();
255:                    if (otherLegal == null)
256:                        return false;
257:                    Set this Legal = this .getLegalValues();
258:                    if (this Legal.size() != otherLegal.size())
259:                        return false;
260:                    if (this Legal.containsAll(otherLegal) == false)
261:                        return false;
262:                }
263:                return true;
264:            }
265:
266:            public int hashCode() {
267:                if (cachedHashCode != 0)
268:                    return cachedHashCode;
269:                cachedHashCode = getName().hashCode();
270:                cachedHashCode += getOpenType().hashCode();
271:                if (defaultValue != null)
272:                    cachedHashCode += getDefaultValue().hashCode();
273:                if (minValue != null)
274:                    cachedHashCode += getMinValue().hashCode();
275:                if (maxValue != null)
276:                    cachedHashCode += getMaxValue().hashCode();
277:                if (legalValues != null)
278:                    cachedHashCode += getLegalValues().hashCode();
279:                return cachedHashCode;
280:            }
281:
282:            public String toString() {
283:                if (cachedToString != null)
284:                    return cachedToString;
285:                StringBuffer buffer = new StringBuffer(getClass().getName());
286:                buffer.append(": name=");
287:                buffer.append(getName());
288:                buffer.append(", openType=");
289:                buffer.append(getOpenType());
290:                buffer.append(", defaultValue=");
291:                buffer.append(getDefaultValue());
292:                buffer.append(", minValue=");
293:                buffer.append(getMinValue());
294:                buffer.append(", maxValue=");
295:                buffer.append(getMaxValue());
296:                buffer.append(", legalValues=");
297:                buffer.append(getLegalValues());
298:                cachedToString = buffer.toString();
299:                return cachedToString;
300:            }
301:
302:            // Protected -----------------------------------------------------
303:
304:            // Private -------------------------------------------------------
305:
306:            /**
307:             * Initialise an OpenMBeanParameterInfoSupport<p>
308:             *
309:             * WARNING: For the MBeanParameterInfo only validation is performed
310:             *
311:             * @param name cannot be null or empty
312:             * @param description cannot be null or empty
313:             * @param openType cannot be null
314:             * @param defaultValue the default value
315:             * @param minValue the minimum value
316:             * @param maxValue the maximum value
317:             * @exception IllegalArgumentException when one of the above
318:             *            constraints is not satisfied
319:             */
320:            private void init(String name, String Description,
321:                    OpenType openType, Object defaultValue,
322:                    Object[] legalValues, Comparable minValue,
323:                    Comparable maxValue) throws OpenDataException {
324:                if (name == null || name.trim().length() == 0)
325:                    throw new IllegalArgumentException("null or empty name");
326:
327:                if (description == null || description.trim().length() == 0)
328:                    throw new IllegalArgumentException(
329:                            "null or empty description");
330:
331:                if (openType == null)
332:                    throw new IllegalArgumentException("null open type");
333:                this .openType = openType;
334:
335:                if (defaultValue != null
336:                        && (openType instanceof  ArrayType || openType instanceof  TabularType))
337:                    throw new OpenDataException(
338:                            "default value is not supported for "
339:                                    + openType.getClass().getName());
340:                if (defaultValue != null
341:                        && openType.isValue(defaultValue) == false)
342:                    throw new OpenDataException(
343:                            "default value is not valid for "
344:                                    + openType.getClass().getName());
345:
346:                if (legalValues != null && legalValues.length != 0) {
347:                    if (openType instanceof  ArrayType
348:                            || openType instanceof  TabularType)
349:                        throw new OpenDataException(
350:                                "legal values are not supported for "
351:                                        + openType.getClass().getName());
352:                    HashSet legals = new HashSet(legalValues.length);
353:                    for (int i = 0; i < legalValues.length; i++) {
354:                        if (openType.isValue(legalValues[i]) == false)
355:                            throw new OpenDataException("legal value "
356:                                    + legalValues[i] + " at index " + i
357:                                    + " is not valid for "
358:                                    + openType.getClass().getName());
359:                        legals.add(legalValues[i]);
360:                    }
361:                    if (defaultValue != null
362:                            && legals.contains(defaultValue) == false)
363:                        throw new OpenDataException(
364:                                "default value is not a legal value");
365:                    this .legalValues = Collections.unmodifiableSet(legals);
366:                }
367:
368:                if (minValue != null && openType.isValue(minValue) == false)
369:                    throw new OpenDataException(
370:                            "minimum value is not valid for "
371:                                    + openType.getClass().getName());
372:                if (defaultValue != null && minValue != null
373:                        && minValue.compareTo(defaultValue) > 0)
374:                    throw new OpenDataException(
375:                            "the default value is less than the minimum value ");
376:
377:                if (maxValue != null && openType.isValue(maxValue) == false)
378:                    throw new OpenDataException(
379:                            "maximum value is not valid for "
380:                                    + openType.getClass().getName());
381:                if (defaultValue != null && maxValue != null
382:                        && maxValue.compareTo(defaultValue) < 0)
383:                    throw new OpenDataException(
384:                            "the default value is greater than the maximum value ");
385:
386:                if (minValue != null && maxValue != null
387:                        && minValue.compareTo(maxValue) > 0)
388:                    throw new OpenDataException(
389:                            "the minimum value is greater than the maximum value ");
390:
391:                this .defaultValue = defaultValue;
392:                this .minValue = minValue;
393:                this .maxValue = maxValue;
394:            }
395:
396:            // Inner Classes -------------------------------------------------
397:        }
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