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Jetty example source code file (Jsr77ServletHolderMBean.java)
The Jetty Jsr77ServletHolderMBean.java source code//======================================================================== //$Id: Jsr77ServletHolderMBean.java 1259 2006-11-19 16:00:48Z janb $ //Copyright 2000-2004 Mort Bay Consulting Pty. Ltd. //------------------------------------------------------------------------ //Licensed under the Apache License, Version 2.0 (the "License"); //you may not use this file except in compliance with the License. //You may obtain a copy of the License at //http://www.apache.org/licenses/LICENSE-2.0 //Unless required by applicable law or agreed to in writing, software //distributed under the License is distributed on an "AS IS" BASIS, //WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. //See the License for the specific language governing permissions and //limitations under the License. //======================================================================== package org.mortbay.jetty.servlet.jsr77.management; import javax.management.MBeanException; import javax.management.ObjectName; import javax.management.j2ee.statistics.ServletStats; import org.jboss.jetty.JBossWebAppContext; import org.mortbay.jetty.servlet.jsr77.Jsr77ServletHolder; import org.mortbay.management.ObjectMBean; import org.mortbay.log.Log; /** * * Jsr77ServletHolderMBean * * @author janb * @version $Revision: 1259 $ $Date: 2006-11-19 10:00:48 -0600 (Sun, 19 Nov 2006) $ * */ public class Jsr77ServletHolderMBean extends ObjectMBean { private Jsr77ServletHolder _servletHolder = null; private ServletStats _stats; public Jsr77ServletHolderMBean (Object managedObject) throws MBeanException { super(managedObject); _servletHolder = (Jsr77ServletHolder)managedObject; } /**StatisticsProvider * As per the jsr77 spec, we are providing statistics for a * servlet * @return true */ public boolean getStatisticsProvider () { return true; } /**ServletStats * @return the JSR77 servlet stats for the servlet we represent */ public ServletStats getStats () { getJsr77Stats(); return _stats; } /**MaxTime * Necessary for JBoss's JSR77 impl. * @return the max service time statistic */ public Long getMaxTime () { getJsr77Stats(); if (null==_stats) return new Long(0L); return new Long(_stats.getServiceTime().getMaxTime()); } /**MinTime * Necessary for JBoss's JSR77 impl. * @return the min service time statistic */ public Long getMinTime () { getJsr77Stats(); if (null==_stats) return new Long(0L); return new Long(_stats.getServiceTime().getMinTime()); } /**Satisfying JBoss's JSR77 impl * @return */ public Long getProcessingTime () { return new Long(getTotalTime()); } /**Satisfying JBoss's JSR77 impl * @return */ public Integer getRequestCount () { return new Integer((int)getCount()); } /**Count * Convenience method. Also helpful for JBoss's JSR77 impl. * @return the number of times the servlet service() method has been called. */ private long getCount () { getJsr77Stats(); if (null==_stats) return 0L; return _stats.getServiceTime().getCount(); } /**TotalTime * Convenience method. Also helpful for JBoss's JSR77 impl. * @return the total time spent in the servlet's service() method. */ private long getTotalTime() { getJsr77Stats(); if (null==_stats) return 0L; return _stats.getServiceTime().getTotalTime(); } /** Jsr77Stats * Lookup the statistic object for the servlet we represent. * Statistics are captured by a filter placed in front of each servlet. */ private void getJsr77Stats () { if (null==_stats) { if (null==_servletHolder) return; _stats = _servletHolder.getServletStats(); } } public ObjectName getObjectName() { if (getMBeanContainer() == null) return null; //not possible to make a name String name = _servletHolder.getName(); ObjectName oname = null; try { oname = new ObjectName(getMBeanContainer().getDomain()+":J2EEServer=none,J2EEApplication=none,J2EEWebModule="+((JBossWebAppContext)_servletHolder.getWebAppContext()).getUniqueName()+",j2eeType=Servlet,name="+name); } catch (Exception e) { Log.warn(e); } return oname; } } Other Jetty examples (source code examples)Here is a short list of links related to this Jetty Jsr77ServletHolderMBean.java source code file: |
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