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PL-10709 VaadinSession init / destroy application events

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This commit is contained in:
Yuriy Artamonov 2018-04-20 16:29:56 +04:00
parent 23eb4eb881
commit cedd803889
3 changed files with 91 additions and 4 deletions
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15
modules/web/src/com/haulmont/cuba/web/sys/CubaVaadinServletService.java
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@ -18,15 +18,14 @@
package com.haulmont.cuba.web.sys;
import com.google.common.hash.HashCode;
import com.haulmont.cuba.core.global.AppBeans;
import com.haulmont.cuba.core.global.Configuration;
import com.haulmont.cuba.core.global.GlobalConfig;
import com.haulmont.cuba.core.global.Messages;
import com.haulmont.cuba.core.global.*;
import com.haulmont.cuba.core.sys.AppContext;
import com.haulmont.cuba.security.global.UserSession;
import com.haulmont.cuba.web.App;
import com.haulmont.cuba.web.WebConfig;
import com.haulmont.cuba.web.auth.WebAuthConfig;
import com.haulmont.cuba.web.sys.events.WebSessionDestroyedEvent;
import com.haulmont.cuba.web.sys.events.WebSessionInitializedEvent;
import com.haulmont.cuba.web.toolkit.ui.CubaFileUpload;
import com.vaadin.server.*;
import com.vaadin.server.communication.*;
@ -69,10 +68,14 @@ public class CubaVaadinServletService extends VaadinServletService
protected boolean testMode;
protected boolean performanceTestMode;
protected Events events;
public CubaVaadinServletService(VaadinServlet servlet, DeploymentConfiguration deploymentConfiguration)
throws ServiceException {
super(servlet, deploymentConfiguration);
this.events = AppBeans.get(Events.NAME);
Configuration configuration = AppBeans.get(Configuration.NAME);
webConfig = configuration.getConfig(WebConfig.class);
webAuthConfig = configuration.getConfig(WebAuthConfig.class);
@ -96,6 +99,8 @@ public class CubaVaadinServletService extends VaadinServletService
log.debug("HttpSession {} initialized, timeout={}sec",
httpSession, wrappedSession.getMaxInactiveInterval());
events.publish(new WebSessionInitializedEvent(event.getSession()));
});
addSessionDestroyListener(event -> {
@ -108,6 +113,8 @@ public class CubaVaadinServletService extends VaadinServletService
if (app != null) {
app.cleanupBackgroundTasks();
}
events.publish(new WebSessionDestroyedEvent(event.getSession()));
});
setSystemMessagesProvider(systemMessagesInfo -> {

40
modules/web/src/com/haulmont/cuba/web/sys/events/WebSessionDestroyedEvent.java Normal file
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@ -0,0 +1,40 @@
/*
* Copyright (c) 2008-2018 Haulmont.
*
* 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.haulmont.cuba.web.sys.events;
import com.vaadin.server.VaadinSession;
import org.springframework.context.ApplicationEvent;
/**
* Event that is fired when HTTP session is expired.
* <br>
* There is no SecurityContext available in the thread.
*/
public class WebSessionDestroyedEvent extends ApplicationEvent {
public WebSessionDestroyedEvent(VaadinSession source) {
super(source);
}
@Override
public VaadinSession getSource() {
return (VaadinSession) super.getSource();
}
public VaadinSession getSession() {
return getSource();
}
}

40
modules/web/src/com/haulmont/cuba/web/sys/events/WebSessionInitializedEvent.java Normal file
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@ -0,0 +1,40 @@
/*
* Copyright (c) 2008-2018 Haulmont.
*
* 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.haulmont.cuba.web.sys.events;
import com.vaadin.server.VaadinSession;
import org.springframework.context.ApplicationEvent;
/**
* Event that is fired on the first request processing of the VaadinSession.
* <br>
* There is no SecurityContext available in the thread.
*/
public class WebSessionInitializedEvent extends ApplicationEvent {
public WebSessionInitializedEvent(VaadinSession source) {
super(source);
}
@Override
public VaadinSession getSource() {
return (VaadinSession) super.getSource();
}
public VaadinSession getSession() {
return getSource();
}
}