Source Code Cross Referenced for OpenMBeanAttributeInfoSupport.java in  » JMX » mx4j » javax » management » openmbean » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » JMX » mx4j » javax.management.openmbean 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /**
002:         * Copyright (C) The MX4J Contributors.
003:         * All rights reserved.
004:         *
005:         * This software is distributed under the terms of the MX4J License version 1.0.
006:         * See the terms of the MX4J License in the documentation provided with this software.
007:         */package javax.management.openmbean;
008:
009:        import java.io.Serializable;
010:        import java.util.Collections;
011:        import java.util.HashSet;
012:        import java.util.Set;
013:        import javax.management.MBeanAttributeInfo;
014:
015:        /**
016:         * @version $Revision: 1.14 $
017:         */
018:        public class OpenMBeanAttributeInfoSupport extends MBeanAttributeInfo
019:                implements  OpenMBeanAttributeInfo, Serializable {
020:            private static final long serialVersionUID = -4867215622149721849L;
021:
022:            private OpenType openType;
023:            private Object defaultValue = null;
024:            private Set legalValues = null;
025:            private Comparable minValue = null;
026:            private Comparable maxValue = null;
027:
028:            private transient int hashCode = 0;
029:            private transient String toStringName = null;
030:
031:            public OpenMBeanAttributeInfoSupport(String name,
032:                    String description, OpenType openType, boolean isReadable,
033:                    boolean isWritable, boolean isIs) {
034:                super (name, openType == null ? "" : openType.getClassName(),
035:                        description, isReadable, isWritable, isIs);
036:                if (openType == null)
037:                    throw new IllegalArgumentException("OpenType can't be null");
038:                if (name == null || name.length() == 0
039:                        || name.trim().length() == 0)
040:                    throw new IllegalArgumentException(
041:                            "name can't be null or empty");
042:                if (description == null || description.length() == 0
043:                        || description.trim().length() == 0)
044:                    throw new IllegalArgumentException(
045:                            "description can't be null or empty");
046:
047:                this .openType = openType;
048:            }
049:
050:            public OpenMBeanAttributeInfoSupport(String name,
051:                    String description, OpenType openType, boolean isReadable,
052:                    boolean isWritable, boolean isIs, Object defaultValue)
053:                    throws OpenDataException {
054:                this (name, description, openType, isReadable, isWritable, isIs);
055:
056:                if (openType instanceof  ArrayType
057:                        || openType instanceof  TabularType) {
058:                    if (defaultValue != null)
059:                        throw new OpenDataException(
060:                                "defaultValue is not supported for ArrayType and TabularType. Should be null");
061:                }
062:
063:                if (defaultValue != null && !openType.isValue(defaultValue))
064:                    throw new OpenDataException(
065:                            "defaultValue is not a valid value for the given OpenType");
066:
067:                this .defaultValue = defaultValue;
068:            }
069:
070:            public OpenMBeanAttributeInfoSupport(String name,
071:                    String description, OpenType openType, boolean isReadable,
072:                    boolean isWritable, boolean isIs, Object defaultValue,
073:                    Object[] legalValues) throws OpenDataException {
074:                this (name, description, openType, isReadable, isWritable, isIs,
075:                        defaultValue);
076:
077:                if (openType instanceof  ArrayType
078:                        || openType instanceof  TabularType) {
079:                    if (legalValues != null && legalValues.length > 0)
080:                        throw new OpenDataException(
081:                                "legalValues isn't allowed for ArrayType and TabularType. Should be null or empty array");
082:                } else if (legalValues != null && legalValues.length > 0) {
083:                    Set tmpSet = new HashSet(legalValues.length);
084:
085:                    for (int i = 0; i < legalValues.length; i++) {
086:                        Object lv = legalValues[i];
087:                        if (openType.isValue(lv)) {
088:                            tmpSet.add(lv);
089:                        } else {
090:                            throw new OpenDataException(
091:                                    "An Entry in the set of legalValues is not a valid value for the given opentype");
092:                        }
093:                    }
094:
095:                    if (defaultValue != null && !tmpSet.contains(defaultValue)) {
096:                        throw new OpenDataException(
097:                                "The legal value set must include the default value");
098:                    }
099:
100:                    this .legalValues = Collections.unmodifiableSet(tmpSet);
101:                }
102:            }
103:
104:            public OpenMBeanAttributeInfoSupport(String name,
105:                    String description, OpenType openType, boolean isReadable,
106:                    boolean isWritable, boolean isIs, Object defaultValue,
107:                    Comparable minValue, Comparable maxValue)
108:                    throws OpenDataException {
109:                this (name, description, openType, isReadable, isWritable, isIs,
110:                        defaultValue);
111:
112:                if (minValue != null)
113:                    if (!openType.isValue(minValue))
114:                        throw new OpenDataException(
115:                                "minValue is not a valid value for the specified openType");
116:
117:                if (maxValue != null)
118:                    if (!openType.isValue(maxValue))
119:                        throw new OpenDataException(
120:                                "maxValue is not a valid value for the specified openType");
121:
122:                if (minValue != null && maxValue != null)
123:                    if (minValue.compareTo(maxValue) > 0)
124:                        throw new OpenDataException(
125:                                "minValue and/or maxValue is "
126:                                        + "invalid: minValue is greater than maxValue");
127:                if (defaultValue != null && minValue != null)
128:                    if (minValue.compareTo(defaultValue) > 0)
129:                        throw new OpenDataException(
130:                                "defaultvalue and/or minValue is invalid: minValue is greater than defaultValue");
131:
132:                if (defaultValue != null && maxValue != null)
133:                    if (((Comparable) defaultValue).compareTo(maxValue) > 0)
134:                        throw new OpenDataException(
135:                                "defaultvalue and/or maxValue is invalid: defaultValue is greater than maxValue");
136:
137:                this .minValue = minValue;
138:                this .maxValue = maxValue;
139:            }
140:
141:            public OpenType getOpenType() {
142:                return openType;
143:            }
144:
145:            public Object getDefaultValue() {
146:                return defaultValue;
147:            }
148:
149:            public Set getLegalValues() {
150:                return legalValues;
151:            }
152:
153:            public Comparable getMinValue() {
154:                return minValue;
155:            }
156:
157:            public Comparable getMaxValue() {
158:                return maxValue;
159:            }
160:
161:            public boolean hasDefaultValue() {
162:
163:                return defaultValue != null;
164:            }
165:
166:            public boolean hasLegalValues() {
167:                return legalValues != null;
168:            }
169:
170:            public boolean hasMinValue() {
171:                return minValue != null;
172:            }
173:
174:            public boolean hasMaxValue() {
175:                return maxValue != null;
176:            }
177:
178:            public boolean isValue(Object obj) {
179:                if (defaultValue != null) {
180:                    if (openType.isValue(obj))
181:                        return true;
182:                } else {
183:                    if (obj == null)
184:                        return true;
185:                }
186:
187:                return false;
188:            }
189:
190:            public boolean equals(Object obj) {
191:                if (obj == this )
192:                    return true;
193:                // obj should not be null
194:                if (obj == null)
195:                    return false;
196:                // obj should implement OpenMBeanAttributeInfo
197:                if (!(obj instanceof  OpenMBeanAttributeInfo))
198:                    return false;
199:
200:                OpenMBeanAttributeInfo other = (OpenMBeanAttributeInfo) obj;
201:                if (!getName().equals(other.getName()))
202:                    return false;
203:                if (!getOpenType().equals(other.getOpenType()))
204:                    return false;
205:                if (isReadable() != other.isReadable())
206:                    return false;
207:                if (isWritable() != other.isWritable())
208:                    return false;
209:                if (isIs() != other.isIs())
210:                    return false;
211:
212:                if (hasDefaultValue()) {
213:                    if (!getDefaultValue().equals(other.getDefaultValue()))
214:                        return false;
215:                } else {
216:                    if (other.hasDefaultValue())
217:                        return false;
218:                }
219:
220:                if (hasMinValue()) {
221:                    if (!getMinValue().equals(other.getMinValue()))
222:                        return false;
223:                } else {
224:                    if (other.hasMinValue())
225:                        return false;
226:                }
227:
228:                if (hasMaxValue()) {
229:                    if (!getMaxValue().equals(other.getMaxValue()))
230:                        return false;
231:                } else {
232:                    if (other.hasMaxValue())
233:                        return false;
234:                }
235:
236:                if (hasLegalValues()) {
237:                    if (!getLegalValues().equals(other.getLegalValues()))
238:                        return false;
239:                } else {
240:                    if (other.hasLegalValues())
241:                        return false;
242:                }
243:
244:                return true;
245:            }
246:
247:            public int hashCode() {
248:                if (hashCode == 0) {
249:                    int result = getName().hashCode();
250:                    result += getOpenType().hashCode();
251:                    result += (hasDefaultValue() == false) ? 0
252:                            : getDefaultValue().hashCode();
253:                    result += (hasLegalValues() == false) ? 0
254:                            : getLegalValues().hashCode();
255:                    result += (hasMinValue() == false) ? 0 : getMinValue()
256:                            .hashCode();
257:                    result += (hasMaxValue() == false) ? 0 : getMaxValue()
258:                            .hashCode();
259:                    hashCode = result;
260:                }
261:                return hashCode;
262:            }
263:
264:            public String toString() {
265:                if (toStringName == null) {
266:                    StringBuffer sb = new StringBuffer(getClass().getName());
267:                    sb.append("(name=");
268:                    sb.append(getName());
269:                    sb.append(", opentype=");
270:                    sb.append(openType.toString());
271:                    sb.append(", defaultValue=");
272:                    sb.append(hasDefaultValue() ? getDefaultValue().toString()
273:                            : "null");
274:                    sb.append(", minValue=");
275:                    sb
276:                            .append(hasMinValue() ? getMinValue().toString()
277:                                    : "null");
278:                    sb.append(", maxValue=");
279:                    sb
280:                            .append(hasMaxValue() ? getMaxValue().toString()
281:                                    : "null");
282:                    sb.append(", legalValues=");
283:                    sb.append(hasLegalValues() ? getLegalValues().toString()
284:                            : "null");
285:                    sb.append(")");
286:                    toStringName = sb.toString();
287:                }
288:                return toStringName;
289:            }
290:        }
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