com.vaadin.navigator.NavigationStateManager Maven / Gradle / Ivy
/*
* Copyright (C) 2000-2024 Vaadin Ltd
*
* This program is available under Vaadin Commercial License and Service Terms.
*
* See for the full
* license.
*/
package com.vaadin.navigator;
import java.io.Serializable;
/**
* An interface for handling interaction between {@link Navigator} and the
* browser location URI or other similar view identification and bookmarking
* system. The state is limited to a single string because in the usual cases it
* forms a part of a URI.
*
* Different implementations can be created for hashbang URIs, HTML5 pushState,
* portlet URL navigation and other similar systems.
*
* This interface is mostly for internal use by Navigator.
*
* @author Vaadin Ltd
* @since 7.0
*/
public interface NavigationStateManager extends Serializable {
/**
* Returns the current navigation state including view name and any optional
* parameters.
*
* @return current view and parameter string, not null
*/
public String getState();
/**
* Sets the current navigation state in the location URI or similar
* location, including view name and any optional parameters.
*
* This method should be only called by a Navigator.
*
* @param state
* new view and parameter string, not null
*/
public void setState(String state);
/**
* Sets the Navigator used with this state manager. The state manager should
* notify the provided navigator of user-triggered navigation state changes
* by invoking navigator.navigateTo(getState()).
* {@code navigator} parameter value could be null if previously set
* navigator is destroyed.
*
* This method should only be called by a Navigator.
*/
public void setNavigator(Navigator navigator);
}