/*
* Copyright 1999-2017 Alibaba Group Holding 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 com.alibaba.druid.support.http.stat;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.Properties;
import java.util.Set;
import java.util.concurrent.CopyOnWriteArraySet;
import com.alibaba.druid.stat.DruidDataSourceStatManager;
import com.alibaba.druid.util.StringUtils;
public class WebAppStatManager {
public final static String SYS_PROP_INSTANCES = "druid.web.webAppStat";
private final static WebAppStatManager instance = new WebAppStatManager();
private Set<Object> webAppStatSet = null;
public static WebAppStatManager getInstance() {
return instance;
}
public synchronized WebAppStat getWebAppStat(String contextPath) {
Set<Object> stats = getWebAppStatSet();
for (Object item : stats) {
if (item instanceof WebAppStat) {
WebAppStat stat = (WebAppStat) item;
if (StringUtils.equals(stat.getContextPath(), contextPath)) {
return stat;
}
}
}
WebAppStat stat = new WebAppStat(contextPath);
this.addWebAppStatSet(stat);
return stat;
}
public Set<Object> getWebAppStatSet() {
if (webAppStatSet == null) {
if (DruidDataSourceStatManager.isRegisterToSystemProperty()) {
webAppStatSet = getWebAppStatSet0();
} else {
webAppStatSet = new CopyOnWriteArraySet<Object>();
}
}
return webAppStatSet;
}
public List<Map<String, Object>> getWebAppStatData() {
Set<Object> stats = getWebAppStatSet();
List<Map<String, Object>> statDataList = new ArrayList<Map<String, Object>>(stats.size());
for (Object stat : stats) {
Map<String, Object> statData = WebAppStatUtils.getStatData(stat);
statDataList.add(statData);
}
return statDataList;
}
public List<Map<String, Object>> getURIStatData() {
Set<Object> stats = getWebAppStatSet();
List<Map<String, Object>> allAppUriStatDataList = new ArrayList<Map<String, Object>>();
for (Object stat : stats) {
List<Map<String, Object>> uriStatDataList = WebAppStatUtils.getURIStatDataList(stat);
allAppUriStatDataList.addAll(uriStatDataList);
}
return allAppUriStatDataList;
}
public List<Map<String, Object>> getSessionStatData() {
Set<Object> stats = getWebAppStatSet();
List<Map<String, Object>> allAppUriStatDataList = new ArrayList<Map<String, Object>>();
for (Object stat : stats) {
List<Map<String, Object>> uriStatDataList = WebAppStatUtils.getSessionStatDataList(stat);
allAppUriStatDataList.addAll(uriStatDataList);
}
return allAppUriStatDataList;
}
public Map<String, Object> getSessionStat(String sessionId) {
Set<Object> stats = getWebAppStatSet();
for (Object stat : stats) {
Map<String, Object> statData = WebAppStatUtils.getSessionStatData(stat, sessionId);
if (statData != null) {
return statData;
}
}
return null;
}
public Map<String, Object> getURIStatData(String uri) {
Set<Object> stats = getWebAppStatSet();
for (Object stat : stats) {
Map<String, Object> statData = WebAppStatUtils.getURIStatData(stat, uri);
if (statData != null) {
return statData;
}
}
return null;
}
public void addWebAppStatSet(Object webAppStat) {
getWebAppStatSet().add(webAppStat);
}
public boolean remove(Object webAppStat) {
return getWebAppStatSet().remove(webAppStat);
}
@SuppressWarnings("unchecked")
static Set<Object> getWebAppStatSet0() {
Properties properties = System.getProperties();
Set<Object> webAppStats = (Set<Object>) properties.get(SYS_PROP_INSTANCES);
if (webAppStats == null) {
synchronized (properties) {
webAppStats = (Set<Object>) properties.get(SYS_PROP_INSTANCES);
if (webAppStats == null) {
webAppStats = new CopyOnWriteArraySet<Object>();
properties.put(SYS_PROP_INSTANCES, webAppStats);
}
}
}
return webAppStats;
}
public void resetStat() {
Set<Object> stats = getWebAppStatSet();
for (Object stat : stats) {
WebAppStatUtils.reset(stat);
}
}
}