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- /*
- * Copyright 2000-2018 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.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.
- * <p>
- * Different implementations can be created for hashbang URIs, HTML5 pushState,
- * portlet URL navigation and other similar systems.
- * <p>
- * 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.
- * <p>
- * 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 <code>navigator.navigateTo(getState())</code>.
- * {@code navigator} parameter value could be null if previously set
- * navigator is destroyed.
- * <p>
- * This method should only be called by a Navigator.
- */
- public void setNavigator(Navigator navigator);
- }
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