FileDocCategorySizeDatePackage
ServletMonitorTask.javaAPI DocGlassfish v2 API16403Fri May 04 22:25:18 BST 2007com.sun.enterprise.cli.commands.monitor

ServletMonitorTask

public class ServletMonitorTask extends MonitorTask

Fields Summary
private final String
displayFormat
private String
appName
private String
webName
private String
servletName
Constructors Summary
public ServletMonitorTask(ServerRootMonitor srm, String filter, Timer timer, boolean verbose, File fileName)

    

             
                                                  
         
    
        super(srm, filter, timer, verbose, fileName);

        
        if (this.filter == null)
            getDefaultFilter();
        else
        {
            final StringTokenizer st = new StringTokenizer(this.filter, ":");
            if (st.countTokens() < 2 )
                throw new MonitorTaskException(localStrings.getString("commands.monitor.servlet_invalid_filter"));
            else if (st.countTokens() == 2)
            {
                webName = st.nextToken();
                servletName = st.nextToken();
            }
            else {
                appName = st.nextToken();
                webName = st.nextToken();
                servletName = st.nextToken();
            }
            verifyFilterValue();
        }
        final String servletTitle = localStrings.getString("commands.monitor.servlet_title", new Object[] {this.filter});
        final String title = String.format("%1$50s", servletTitle);
        CLILogger.getInstance().printMessage(title);
        displayHeader();
Methods Summary
private booleancheckIfServletExistInWebModule(java.util.Map webModuleMap)
returns true if servlet exists in webmodule

throws
MonitorTaskException if webmodlue is invalid.

        if (!webModuleMap.containsKey(webName))
        {
            if (appName == null)
                throw new MonitorTaskException(localStrings.getString("commands.monitor.does_not_exist", new Object[] {webName}));
            else
                throw new MonitorTaskException(localStrings.getString("commands.monitor.does_not_exist_in1", new Object[] {webName, appName}));
        }
        else {
            final WebModuleVirtualServerMonitor webmoduleVS = webModuleMap.get(webName);
            final Map<String,ServletMonitor> servletMap = webmoduleVS.getServletMonitorMap();
            if (!servletMap.containsKey(servletName))
                return false;
            else
                return true;
        }
private voiddisplayData(AltServletStats stat)

        final String data = String.format(displayFormat,
                                          stat.getErrorCount().getCount(),
                                          stat.getMaxTime().getCount(),
                                          stat.getProcessingTime().getCount(),
                                          stat.getRequestCount().getCount(),
                                          stat.getServiceTime().getCount(),
                                          stat.getServiceTime().getMaxTime(),
                                          stat.getServiceTime().getMinTime(),
                                          stat.getServiceTime().getTotalTime());
        CLILogger.getInstance().printMessage(data);
        if (fileName != null)
        {
            final String fileData = String.format("%1$s,%2$s,%3$s,%4$s,%5$s,%6$s,%7$s,%8$s",
                                                  stat.getErrorCount().getCount(),
                                                  stat.getMaxTime().getCount(),
                                                  stat.getProcessingTime().getCount(),
                                                  stat.getRequestCount().getCount(),
                                                  stat.getServiceTime().getCount(),
                                                  stat.getServiceTime().getMaxTime(),
                                                  stat.getServiceTime().getMinTime(),
                                                  stat.getServiceTime().getTotalTime());
            writeToFile(fileData);
        }
public voiddisplayDetails()

        final String details = localStrings.getString("commands.monitor.servlet_detail");
        CLILogger.getInstance().printMessage(details);
private voiddisplayHeader()

        final String ec = localStrings.getString("commands.monitor.ec");
        final String mt = localStrings.getString("commands.monitor.mt");
        final String pt = localStrings.getString("commands.monitor.pt");
        final String rc = localStrings.getString("commands.monitor.rc");
        final String current = localStrings.getString("commands.monitor.current");
        final String maxtm = localStrings.getString("commands.monitor.maxtm");
        final String mintm = localStrings.getString("commands.monitor.mintm");
        final String totaltm = localStrings.getString("commands.monitor.totaltm");
        
        final String header = String.format(displayFormat,
                                            ec,mt,pt,rc,current,maxtm,mintm,totaltm);
        CLILogger.getInstance().printMessage(header);
        if (fileName != null)
        {
            writeToFile(localStrings.getString("commands.monitor.servlet_write_to_file"));
        }
private java.lang.StringgetAvailableFilterMessage(java.lang.String[] appModuleFilters, java.lang.String[] webModuleFilters)

        StringBuffer sb = new StringBuffer();
        sb.append(localStrings.getString("commands.monitor.more_than_one_monitoring_elements"));
        
        if (webModuleFilters.length > 0)
        {
            sb.append(localStrings.getString("commands.monitor.available_servlet_elements"));
            for (String webmodule: webModuleFilters)
            {
                sb.append("    ");
                sb.append(webmodule);
                sb.append("\n");
            }
        }
        if (appModuleFilters.length > 0)
        {
            sb.append(localStrings.getString("commands.monitor.available_servlet_elements_in_appmodule"));
            for (String appmodule: appModuleFilters)
            {
                sb.append("    ");
                sb.append(appmodule);
                sb.append("\n");
            }
        }
        return sb.toString();
private voidgetDefaultFilter()
If filter option is not specified, then this method will get the default filter value. WebModuleVirtualServer is in both standalone webmodule or a webmodule in a application. If there are more than one standalone webmodule or an application with a webmodule, this method will display the available filter selections. If there is only one webmodule then that is the default filter value.

        String[] appModuleFilters = possibleAppModuleFilters();
        String[] webModuleFilters = possibleWebModuleFilters();        
            
        if (webModuleFilters.length < 1 && appModuleFilters.length < 1)
        {
            throw new MonitorTaskException("No value to monitor.");
        }
        else if (webModuleFilters.length == 1 && appModuleFilters.length < 1)
        {
            filter = webModuleFilters[0];
            final StringTokenizer st = new StringTokenizer(filter, ":");
            webName = st.nextToken();
            servletName = st.nextToken();
        }
        else if (webModuleFilters.length < 1 && appModuleFilters.length == 1)
        {
            filter = appModuleFilters[0];
            final StringTokenizer st = new StringTokenizer(filter, ":");
            appName = st.nextToken();
            webName = st.nextToken();
            servletName = st.nextToken();            
        }
        else
        {
            final String msg = getAvailableFilterMessage(appModuleFilters, webModuleFilters);
            throw new MonitorTaskException(msg);
        }
private ServletMonitorgetServletFromWebModule(java.util.Map webMap)

        final WebModuleVirtualServerMonitor webmoduleVS = webMap.get(webName);
        final Map<String, ServletMonitor> servletMap = webmoduleVS.getServletMonitorMap();
        return servletMap.get(servletName);
private java.util.ListgetServletsInWebModules(java.lang.String appName, java.util.Map webModuleMap)

        List<String> possibleServlets = new Vector<String>();
        final String[] webModules = MapUtil.getKeyStrings(webModuleMap);
        if (webModuleMap != null && webModuleMap.size() > 0)
        {
            for (String webModule : webModules)
            {
                final WebModuleVirtualServerMonitor webmoduleVS = webModuleMap.get(webModule);
                final Map<String,ServletMonitor> servletMap = webmoduleVS.getServletMonitorMap();
                final String[] servlets = MapUtil.getKeyStrings(servletMap);
                for (String servlet : servlets)
                {
                    if (appName == null)
                        possibleServlets.add(webModule+":"+servlet);
                    else
                        possibleServlets.add(appName+":"+webModule+":"+servlet);                        
                }
            }
        }
        return possibleServlets;
private java.lang.String[]possibleAppModuleFilters()
Returns all the possible webmodules in all the application. The return format is ::

        final Map<String,ApplicationMonitor> appModuleMap = srm.getApplicationMonitorMap();

        List<String> possibleFilters = new Vector<String>();
        if (appModuleMap != null && appModuleMap.size() > 0)
        {
                //search through all application and check for the webmodules
            final String[] appModules = MapUtil.getKeyStrings(appModuleMap);
            for (String appModule : appModules)
            {
                ApplicationMonitor am = (ApplicationMonitor)appModuleMap.get(appModule);
                    //search for the webmodule virtual server in the appmodule
                final Map<String, WebModuleVirtualServerMonitor> innerWebModuleMap = am.getWebModuleVirtualServerMonitorMap();
                possibleFilters.addAll(getServletsInWebModules(appModule, innerWebModuleMap));
            }
        }
        return (String[])possibleFilters.toArray(new String[0]);
private java.lang.String[]possibleWebModuleFilters()
Returns all the possible servlets in all the webmodules. The return format is :

        final Map<String,WebModuleVirtualServerMonitor> webModuleMap = srm.getWebModuleVirtualServerMonitorMap();

        List<String> possibleFilters = getServletsInWebModules(null, webModuleMap);
        return (String[])possibleFilters.toArray(new String[0]);
public voidrun()

        if (srm == null) {
            super.cancelMonitorTask();
            return;
        }
        
        Map<String,WebModuleVirtualServerMonitor> webMap = null;
        if (appName == null)
        {
            webMap = srm.getWebModuleVirtualServerMonitorMap();            
        }
        else
        {
            final Map<String,ApplicationMonitor> appMap = srm.getApplicationMonitorMap();
            if (appMap == null || appMap.size()<1) {
                cancelMonitorTask();
                return;
            }
            
            final ApplicationMonitor am = appMap.get(appName);
            webMap = am.getWebModuleVirtualServerMonitorMap();
        }
        if (webMap == null || webMap.size()<1) {
            cancelMonitorTask();
            return;
        }
        
        final ServletMonitor servletMonitor = getServletFromWebModule(webMap);
        if (servletMonitor == null) {
            cancelMonitorTask();
            return;
        }
        
        final AltServletStats servletStats = servletMonitor.getAltServletStats();
        if (verbose && counter == NUM_ROWS)
        {
            displayHeader();
            counter = 0;  //reset to 0
        }
        displayData(servletStats);
        if (verbose) counter++;
private voidverifyFilterValue()

        if (appName != null)
        {
            final Map<String,ApplicationMonitor> appModuleMap = srm.getApplicationMonitorMap();
            if (appModuleMap.containsKey(appName))
            {
                final ApplicationMonitor am = appModuleMap.get(appName);
                final Map<String, WebModuleVirtualServerMonitor> innerWebModuleMap = am.getWebModuleVirtualServerMonitorMap();
                final boolean exist = checkIfServletExistInWebModule(innerWebModuleMap);
                if (!exist)
                    throw new MonitorTaskException(localStrings.getString("commands.monitor.does_not_exist_in2", new Object[] {servletName, appName, webName}));
            }
            else {
                throw new MonitorTaskException(localStrings.getString("commands.monitor.does_not_exist", new Object[] {appName}));
            }
        }
        else
        {
            final Map<String,WebModuleVirtualServerMonitor> webModuleMap = srm.getWebModuleVirtualServerMonitorMap();
            final boolean exist = checkIfServletExistInWebModule(webModuleMap);
            if (!exist)
                throw new MonitorTaskException(localStrings.getString("commands.monitor.does_not_exist_in1", new Object[] {servletName, webName}));
        }