/**
* Copyright (c) 2011-2013, James Zhan 詹波 (jfinal@126.com).
*
* 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.jfinal.ext.interceptor;
import java.util.Enumeration;
import java.util.HashMap;
import java.util.Map;
import javax.servlet.ServletContext;
import javax.servlet.http.HttpSession;
import com.jfinal.aop.Interceptor;
import com.jfinal.core.ActionInvocation;
import com.jfinal.core.Controller;
/**
* SessionInViewInterceptor.
*/
public class SessionInViewInterceptor implements Interceptor {
private boolean createSession = false;
public SessionInViewInterceptor() {
}
public SessionInViewInterceptor(boolean createSession) {
this.createSession = createSession;
}
@SuppressWarnings({"rawtypes", "unchecked"})
public void intercept(ActionInvocation ai) {
ai.invoke();
Controller c = ai.getController();
HttpSession hs = c.getSession(createSession);
if (hs != null) {
Map session = new JFinalSession(hs);
for (Enumeration<String> names=hs.getAttributeNames(); names.hasMoreElements();) {
String name = names.nextElement();
session.put(name, hs.getAttribute(name));
}
c.setAttr("session", session);
}
}
}
@SuppressWarnings({"rawtypes", "deprecation"})
class JFinalSession extends HashMap implements HttpSession {
private static final long serialVersionUID = -6148316613614087335L;
private HttpSession session;
public JFinalSession(HttpSession session) {
this.session = session;
}
public Object getAttribute(String key) {
return session.getAttribute(key);
}
@SuppressWarnings("unchecked")
public Enumeration getAttributeNames() {
return session.getAttributeNames();
}
public long getCreationTime() {
return session.getCreationTime();
}
public String getId() {
return session.getId();
}
public long getLastAccessedTime() {
return session.getLastAccessedTime();
}
public int getMaxInactiveInterval() {
return session.getMaxInactiveInterval();
}
public ServletContext getServletContext() {
return session.getServletContext();
}
public javax.servlet.http.HttpSessionContext getSessionContext() {
return session.getSessionContext();
}
public Object getValue(String key) {
return session.getValue(key);
}
public String[] getValueNames() {
return session.getValueNames();
}
public void invalidate() {
session.invalidate();
}
public boolean isNew() {
return session.isNew();
}
public void putValue(String key, Object value) {
session.putValue(key, value);
}
public void removeAttribute(String key) {
session.removeAttribute(key);
}
public void removeValue(String key) {
session.removeValue(key);
}
public void setAttribute(String key, Object value) {
session.setAttribute(key, value);
}
public void setMaxInactiveInterval(int maxInactiveInterval) {
session.setMaxInactiveInterval(maxInactiveInterval);
}
}
/*
public void intercept(ActionInvocation ai) {
ai.invoke();
Controller c = ai.getController();
HttpSession hs = c.getSession(createSession);
if (hs != null) {
c.setAttr("session", new JFinalSession(hs));
}
}
*/