/*
* Copyright 2000-2001,2004 The Apache Software Foundation.
*
* 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.apache.jetspeed.portal.portlets.admin;
//Element Construction Set
import org.apache.ecs.html.B;
import org.apache.ecs.html.BR;
import org.apache.ecs.html.HR;
import org.apache.ecs.ConcreteElement;
import org.apache.ecs.ElementContainer;
//Jetspeed stuff
import org.apache.jetspeed.portal.PortletException;
import org.apache.jetspeed.portal.portlets.AbstractPortlet;
import org.apache.jetspeed.services.portletcache.GlobalCache;
import org.apache.jetspeed.services.Registry;
import org.apache.jetspeed.services.threadpool.ThreadPoolService;
import org.apache.jetspeed.services.threadpool.JetspeedThreadPoolService;
import org.apache.jetspeed.services.urlmanager.URLManager;
import org.apache.jetspeed.services.urlmanager.URLManagerService;
import org.apache.jetspeed.services.urlmanager.URLFetcher;
//turbine
import org.apache.turbine.util.RunData;
import org.apache.turbine.services.TurbineServices;
/**
Returns global information about Jetspeed.
@author <a href="mailto:burton@apache.org">Kevin A. Burton</a>
@version $Id: GlobalAdminPortlet.java,v 1.18 2004/02/23 03:26:19 jford Exp $
*/
public class GlobalAdminPortlet extends AbstractPortlet {
/**
* Return general runtime information. This include memory,
* thread, Registry, Resource, and caching data.
*
* @param rundata RunData object for the current request
* @return ConcreteElement
*/
public ConcreteElement getContent( RunData rundata ) {
ElementContainer ec = new ElementContainer();
this.createCategory( ec, "Memory" );
ec.addElement( this.getEntry( "Free Memory (K)",
Long.toString( Runtime.getRuntime().freeMemory()/1024 ) ) );
ec.addElement( this.getEntry( "Total Memory (K)",
Long.toString( Runtime.getRuntime().totalMemory()/1024 ) ) );
JetspeedThreadPoolService service =
( JetspeedThreadPoolService ) TurbineServices
.getInstance()
.getService( ThreadPoolService.SERVICE_NAME );
this.createCategory( ec, "Thread Pool" );
ec.addElement( this.getEntry( "Available threads: ",
service.getAvailableThreadCount() ) );
ec.addElement( this.getEntry( "Total threads: ",
service.getThreadCount() ) );
ec.addElement( this.getEntry( "Runnable queue length: ",
service.getQueueLength() ) );
ec.addElement( this.getEntry( "Processed thread count: ",
service.getThreadProcessedCount() ) );
this.createCategory( ec, "PortletRegistry" );
ec.addElement( this.getEntry( "Number of entries: ",
Registry.get(Registry.PORTLET).getEntryCount() ) );
this.createCategory( ec, "Resource Manager" );
ec.addElement( this.getEntry( "Entries in Manager",
URLManager.list( URLManagerService.STATUS_ANY ).size() ) );
ec.addElement( this.getEntry( "Bad Entries",
URLManager.list( URLManagerService.STATUS_BAD ).size() ) );
ec.addElement( this.getEntry( "URLs Loading/Refreshing",
URLFetcher.getRealtimeURLs().size() ) );
this.createCategory( ec, "Global Memory Cache" );
ec.addElement( this.getEntry( "Objects in Cache",
GlobalCache.getNumberOfObjects()));
return ec;
}
/**
Create a category within this portlet
*/
private void createCategory( ElementContainer ec,
String title ) {
ec.addElement( new HR() );
ec.addElement( new B().addElement( title + ":" ) );
ec.addElement( new BR() );
}
private ConcreteElement getEntry( String title,
int value ) {
return getEntry( title, Integer.toString( value ) );
}
private ConcreteElement getEntry( String title,
String value ) {
ElementContainer ec = new ElementContainer();
ec.addElement( title );
ec.addElement( " -> " );
ec.addElement( value );
ec.addElement( new BR() );
return ec;
}
//requried info
/**
* @see AbstractPortlet#init
*/
public void init() throws PortletException {
this.setTitle( "Global" );
this.setDescription( "Global information..." );
}
/**
* @see AbstractPortlet#getAllowEdit
*/
public boolean getAllowEdit(RunData rundata) {
return false;
}
/**
* @see AbstractPortlet#getAllowMaximize
*/
public boolean getAllowMaximize(RunData rundata) {
return false;
}
}