/*
* Copyright 2012 Vaadin 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.vaadin.tests.minitutorials.v7b2;
import com.vaadin.server.ClientConnector.DetachListener;
import com.vaadin.server.VaadinRequest;
import com.vaadin.ui.UI;
public class CleanupUI extends UI implements DetachListener {
@Override
protected void init(VaadinRequest request) {
addDetachListener(new DetachListener() {
@Override
public void detach(DetachEvent event) {
releaseSomeResources();
}
});
// ...
addDetachListener(this);
}
@Override
public void detach(DetachEvent event) {
releaseMoreResources();
}
private void releaseSomeResources() {
// ...
}
private void releaseMoreResources() {
// ...
}
}