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/**
*
* Copyright (c) 2011, 2016 - Loetz GmbH&Co.KG (69115 Heidelberg, Germany)
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Christophe Loetz (Loetz GmbH&Co.KG) - initial implementation
*/
package org.eclipse.osbp.utils.session;
import com.vaadin.server.VaadinSession;
/**
* Attributes saved for the vaadin session = session static
*/
public class VaadinSessionAttributes {
private static VaadinSession session() {
return VaadinSession.getCurrent();
}
/**
* remove variable
* @param variable
*/
public static void remove(String variable) {
set(variable, null);
}
/**
* set variable
* @param variable
* @param value
*/
public static void set(String variable, Object value) {
session().setAttribute(variable, value);
}
/**
* get variable
* @param variable
*/
public static Object get(String variable) {
return session().getAttribute(variable);
}
/**
* remove variable
* @param variable
*/
public static <T> void remove(Class<T> variable) {
set(variable, null);
}
/**
* set variable
* @param variable
* @param value
*/
public static <T> void set(Class<T> variable, T value) {
session().setAttribute(variable, value);
}
/**
* get variable
* @param variable
*/
public static <T> T get(Class<T> variable) {
return session().getAttribute(variable);
}
}
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