package org.jaggeryjs.jaggery.core.listeners;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.jaggeryjs.jaggery.core.JaggeryCoreConstants;
import org.jaggeryjs.jaggery.core.ScriptReader;
import org.jaggeryjs.jaggery.core.manager.CommonManager;
import org.jaggeryjs.jaggery.core.manager.WebAppManager;
import org.jaggeryjs.scriptengine.engine.JaggeryContext;
import org.jaggeryjs.scriptengine.engine.JavaScriptProperty;
import org.jaggeryjs.scriptengine.engine.RhinoEngine;
import org.jaggeryjs.scriptengine.exceptions.ScriptException;
import org.jaggeryjs.scriptengine.util.HostObjectUtil;
import org.mozilla.javascript.Context;
import org.mozilla.javascript.ScriptableObject;
import javax.servlet.ServletContext;
import javax.servlet.http.HttpSessionEvent;
import javax.servlet.http.HttpSessionListener;
import java.io.IOException;
import java.io.StringReader;
import java.util.Iterator;
import java.util.List;
import java.util.Stack;
/**
* Copyright (c) 2005-2010, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
* <p/>
* WSO2 Inc. licenses this file to you 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
* <p/>
* http://www.apache.org/licenses/LICENSE-2.0
* <p/>
* 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.
*/
public class WebAppSessionListener implements HttpSessionListener {
private static Log log = LogFactory.getLog(WebAppSessionListener.class);
@Override
public void sessionCreated(HttpSessionEvent httpSessionEvent) {
ServletContext ctx = httpSessionEvent.getSession().getServletContext();
List<Object> jsListeners = (List<Object>) ctx.getAttribute(JaggeryCoreConstants.JS_CREATED_LISTENERS);
if (jsListeners == null) {
return;
}
JaggeryContext shared = WebAppManager.sharedJaggeryContext(ctx);
Context cx = shared.getEngine().enterContext();
JaggeryContext context = CommonManager.getJaggeryContext();
if (CommonManager.getJaggeryContext() == null) {
context = WebAppManager.clonedJaggeryContext(ctx);
CommonManager.setJaggeryContext(context);
}
RhinoEngine engine = context.getEngine();
ScriptableObject clonedScope = context.getScope();
JavaScriptProperty session = new JavaScriptProperty("session");
session.setValue(cx.newObject(clonedScope, "Session", new Object[]{httpSessionEvent.getSession()}));
session.setAttribute(ScriptableObject.READONLY);
RhinoEngine.defineProperty(clonedScope, session);
for (Object jsListener : jsListeners) {
CommonManager.getCallstack(context).push((String) jsListener);
try {
ScriptReader sr = new ScriptReader(ctx.getResourceAsStream((String) jsListener)) {
@Override
protected void build() throws IOException {
try {
sourceReader = new StringReader(HostObjectUtil.streamToString(sourceIn));
} catch (ScriptException e) {
throw new IOException(e);
}
}
};
engine.exec(sr, clonedScope, null);
} catch (ScriptException e) {
log.error(e.getMessage(), e);
} finally {
CommonManager.getCallstack(context).pop();
}
}
Context.exit();
}
@Override
public void sessionDestroyed(HttpSessionEvent httpSessionEvent) {
ServletContext ctx = httpSessionEvent.getSession().getServletContext();
List<Object> jsListeners = (List<Object>) ctx.getAttribute(JaggeryCoreConstants.JS_DESTROYED_LISTENERS);
if (jsListeners == null) {
return;
}
JaggeryContext shared = WebAppManager.sharedJaggeryContext(ctx);
Context cx = shared.getEngine().enterContext();
JaggeryContext context = CommonManager.getJaggeryContext();
if (CommonManager.getJaggeryContext() == null) {
context = WebAppManager.clonedJaggeryContext(ctx);
CommonManager.setJaggeryContext(context);
}
RhinoEngine engine = context.getEngine();
ScriptableObject clonedScope = context.getScope();
JavaScriptProperty session = new JavaScriptProperty("session");
session.setValue(cx.newObject(clonedScope, "Session", new Object[]{httpSessionEvent.getSession()}));
session.setAttribute(ScriptableObject.READONLY);
RhinoEngine.defineProperty(clonedScope, session);
for (Object jsListener : jsListeners) {
CommonManager.getCallstack(context).push((String) jsListener);
try {
ScriptReader sr = new ScriptReader(ctx.getResourceAsStream((String) jsListener)) {
@Override
protected void build() throws IOException {
try {
sourceReader = new StringReader(HostObjectUtil.streamToString(sourceIn));
} catch (ScriptException e) {
throw new IOException(e);
}
}
};
engine.exec(sr, clonedScope, null);
} catch (ScriptException e) {
log.error(e.getMessage(), e);
} finally {
CommonManager.getCallstack(context).pop();
}
}
Context.exit();
}
}