152      * version.
 153      *
 154      * @param bb the ByteBuffer that references the instrumentation data.
 155      * @param lvmid the Local Java Virtual Machine identifier for this
 156      *              instrumentation buffer.
 157      *
 158      * @throws MonitorException
 159      */
 160     protected void createPerfDataBuffer(ByteBuffer bb, int lvmid)
 161                    throws MonitorException {
 162         int majorVersion = AbstractPerfDataBufferPrologue.getMajorVersion(bb);
 163         int minorVersion = AbstractPerfDataBufferPrologue.getMinorVersion(bb);
 164 
 165         // instantiate the version specific class
 166         String classname = "sun.jvmstat.perfdata.monitor.v"
 167                            + majorVersion + "_" + minorVersion
 168                            + ".PerfDataBuffer";
 169 
 170         try {
 171             Class<?> implClass = Class.forName(classname);
 172             Constructor cons = implClass.getConstructor(new Class[] {
 173                     Class.forName("java.nio.ByteBuffer"),
 174                     Integer.TYPE
 175             });
 176 
 177             impl = (PerfDataBufferImpl)cons.newInstance(new Object[] {
 178                      bb, new Integer(lvmid)
 179             });
 180 
 181         } catch (ClassNotFoundException e) {
 182             // from Class.forName();
 183             throw new IllegalArgumentException(
 184                     "Could not find " + classname + ": " + e.getMessage(), e);
 185 
 186         } catch (NoSuchMethodException e) {
 187             // from Class.getConstructor();
 188             throw new IllegalArgumentException(
 189                     "Expected constructor missing in " + classname + ": "
 190                     + e.getMessage(), e);
 191 
 192         } catch (IllegalAccessException e) {

 152      * version.
 153      *
 154      * @param bb the ByteBuffer that references the instrumentation data.
 155      * @param lvmid the Local Java Virtual Machine identifier for this
 156      *              instrumentation buffer.
 157      *
 158      * @throws MonitorException
 159      */
 160     protected void createPerfDataBuffer(ByteBuffer bb, int lvmid)
 161                    throws MonitorException {
 162         int majorVersion = AbstractPerfDataBufferPrologue.getMajorVersion(bb);
 163         int minorVersion = AbstractPerfDataBufferPrologue.getMinorVersion(bb);
 164 
 165         // instantiate the version specific class
 166         String classname = "sun.jvmstat.perfdata.monitor.v"
 167                            + majorVersion + "_" + minorVersion
 168                            + ".PerfDataBuffer";
 169 
 170         try {
 171             Class<?> implClass = Class.forName(classname);
 172             Constructor<?> cons = implClass.getConstructor(new Class<?>[] {
 173                     Class.forName("java.nio.ByteBuffer"),
 174                     Integer.TYPE
 175             });
 176 
 177             impl = (PerfDataBufferImpl)cons.newInstance(new Object[] {
 178                      bb, new Integer(lvmid)
 179             });
 180 
 181         } catch (ClassNotFoundException e) {
 182             // from Class.forName();
 183             throw new IllegalArgumentException(
 184                     "Could not find " + classname + ": " + e.getMessage(), e);
 185 
 186         } catch (NoSuchMethodException e) {
 187             // from Class.getConstructor();
 188             throw new IllegalArgumentException(
 189                     "Expected constructor missing in " + classname + ": "
 190                     + e.getMessage(), e);
 191 
 192         } catch (IllegalAccessException e) {