/*
* JBoss, Home of Professional Open Source
* Copyright 2011, Red Hat, Inc., and individual contributors
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* 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 org.jboss.seam.faces.event;
import java.util.Map;
import java.util.Set;
import javax.enterprise.inject.spi.BeanManager;
import javax.faces.application.ConfigurableNavigationHandler;
import javax.faces.application.NavigationCase;
import javax.faces.application.NavigationHandler;
import javax.faces.context.FacesContext;
import org.jboss.seam.solder.beanManager.BeanManagerLocator;
/**
* @author <a href="mailto:lincolnbaxter@gmail.com>Lincoln Baxter, III</a>
*/
public class SeamPreNavigationHandler extends ConfigurableNavigationHandler {
private final ConfigurableNavigationHandler parent;
public SeamPreNavigationHandler(final ConfigurableNavigationHandler parent) {
this.parent = parent;
}
@Override
public NavigationCase getNavigationCase(final FacesContext context, final String fromAction, final String outcome) {
return parent.getNavigationCase(context, fromAction, outcome);
}
@Override
public Map<String, Set<NavigationCase>> getNavigationCases() {
return parent.getNavigationCases();
}
@Override
public void handleNavigation(final FacesContext context, final String fromAction, final String outcome) {
BeanManager manager = new BeanManagerLocator().getBeanManager();
NavigationHandler navigationHandler = context.getApplication().getNavigationHandler();
NavigationCase navigationCase;
if (navigationHandler instanceof ConfigurableNavigationHandler) {
navigationCase = ((ConfigurableNavigationHandler) navigationHandler)
.getNavigationCase(context, fromAction, outcome);
} else {
navigationCase = getNavigationCase(context, fromAction, outcome);
}
manager.fireEvent(new PreNavigateEvent(context, fromAction, outcome, navigationCase));
parent.handleNavigation(context, fromAction, outcome);
}
}