001 /**
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements. See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License. You may obtain a copy of the License at
008 *
009 * http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017 package org.apache.geronimo.console.threads;
018
019 import java.io.IOException;
020 import java.io.Serializable;
021 import java.net.URI;
022 import javax.portlet.ActionRequest;
023 import javax.portlet.ActionResponse;
024 import javax.portlet.PortletException;
025 import javax.portlet.RenderRequest;
026 import javax.portlet.RenderResponse;
027 import org.apache.geronimo.console.MultiPageModel;
028 import org.apache.geronimo.console.util.PortletManager;
029 import org.apache.geronimo.gbean.AbstractName;
030 import org.apache.geronimo.management.StatisticsProvider;
031 import org.apache.geronimo.management.geronimo.stats.ThreadPoolStats;
032 import org.apache.geronimo.j2ee.j2eeobjectnames.NameFactory;
033
034 /**
035 * A handles for the page that gives statistics about a particular thread pool.
036 *
037 * @version $Rev: 706640 $ $Date: 2008-10-21 14:44:05 +0000 (Tue, 21 Oct 2008) $
038 */
039 public class MonitorScreenHandler extends AbstractThreadHandler {
040 public MonitorScreenHandler() {
041 super(MONITOR_MODE, "/WEB-INF/view/threads/monitor.jsp");
042 }
043
044 public String actionBeforeView(ActionRequest request, ActionResponse response, MultiPageModel model) throws PortletException, IOException {
045 response.setRenderParameter(ABSTRACT_NAME_PARAMETER, request.getParameter(ABSTRACT_NAME_PARAMETER));
046 return getMode();
047 }
048
049 public void renderView(RenderRequest request, RenderResponse response, MultiPageModel model) throws PortletException, IOException {
050 AbstractName name = new AbstractName(URI.create(request.getParameter(ABSTRACT_NAME_PARAMETER)));
051 StatisticsProvider pool = (StatisticsProvider) PortletManager.getManagedBean(request, name);
052 ThreadPoolStats stats = (ThreadPoolStats) pool.getStats();
053 String[] consumers = stats.getThreadConsumers();
054 ClientStats[] result = new ClientStats[consumers.length];
055 for (int i = 0; i < result.length; i++) {
056 result[i] = new ClientStats(consumers[i], (int)stats.getCountForConsumer(consumers[i]).getCount());
057 }
058 request.setAttribute("poolName", name.getName().get(NameFactory.J2EE_NAME));
059 request.setAttribute("stats", stats);
060 request.setAttribute("consumers", result);
061 }
062
063 public String actionAfterView(ActionRequest request, ActionResponse response, MultiPageModel model) throws PortletException, IOException {
064 return getMode();
065 }
066
067 public static class ClientStats implements Serializable, Comparable {
068 private final String name;
069 private final int threadCount;
070
071 public ClientStats(String name, int threadCount) {
072 this.name = name;
073 this.threadCount = threadCount;
074 }
075
076 public String getName() {
077 return name;
078 }
079
080 public int getThreadCount() {
081 return threadCount;
082 }
083
084 public int compareTo(Object o) {
085 ClientStats other = (ClientStats) o;
086 return name.compareTo(other.name);
087 }
088 }
089 }