Tomcat自定義Session管理
阿新 • • 發佈:2019-01-01
package com.nosession;
import java.io.IOException;
import org.apache.catalina.Lifecycle;
import org.apache.catalina.LifecycleException;
import org.apache.catalina.LifecycleListener;
import org.apache.catalina.LifecycleState;
import org.apache.catalina.Session;
import org.apache.catalina.session.ManagerBase;
import org.apache.catalina.util.LifecycleSupport;
public class SessionManager extends ManagerBase implements Lifecycle {
protected LifecycleSupport lifecycle = new LifecycleSupport(this);
@Override
public void addLifecycleListener(LifecycleListener listener) {
lifecycle.addLifecycleListener(listener);
}
@Override
public LifecycleListener[] findLifecycleListeners() {
return lifecycle.findLifecycleListeners();
}
@Override
public void removeLifecycleListener(LifecycleListener listener) {
lifecycle.removeLifecycleListener(listener);
}
@Override
protected synchronized void startInternal() throws LifecycleException {
super.startInternal();
setState(LifecycleState.STARTING);
setDistributable(true);
}
@Override
protected synchronized void stopInternal() throws LifecycleException {
setState(LifecycleState.STOPPING);
}
@Override
public int getRejectedSessions() {
return 0;
}
public void setRejectedSessions1(int i) {
}
@Override
public void load() throws ClassNotFoundException, IOException {
}
public void setRejectedSessions(int arg0) {
}
@Override
public void unload() throws IOException {
}
@Override
public Session createSession(String sessionId) {
// TODO 關鍵位置
return null;
}
public Session createSession() {
// TODO 關鍵位置
return null;
}
@Override
public Session createEmptySession() {
// TODO 關鍵位置
return null;
}
@Override
public void add(Session session) {
}
@Override
public Session findSession(String id) {
return null;
}
@Override
public void remove(Session session) {
remove(session, false);
}
@Override
public void remove(Session session, boolean update) {
}
@Override
public void processExpires() {
}
}
用該程式碼單獨建立一個工程,並匯出為jar檔案,並把匯出的jar檔案放到Tomcat的lib資料夾中,然後修改配置檔案context.xml,修改環境Manager節點為如下內容:
<Manager className="com.nosession.SessionManager" />