FacesLocaleResolver.java

/*
 * 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.international;

import java.util.Locale;

import javax.enterprise.inject.Produces;
import javax.faces.context.FacesContext;
import javax.inject.Inject;

import org.jboss.seam.faces.qualifier.Faces;

/**
 * A specialized version of the LocaleProducer that returns the Locale associated with the current UIViewRoot or, if the
 * UIViewRoot has not been established, uses the ViewHandler to calculate the Locale.
 *
 * @author Dan Allen
 */
public class FacesLocaleResolver // extends LocaleResolver
{
    @Inject
    FacesContext facesContext;

    public boolean isActive() {
        return (facesContext != null) && (facesContext.getCurrentPhaseId() != null);
    }

    @Produces
    @Faces
    public Locale getLocale() {
        if (facesContext.getViewRoot() != null) {
            return facesContext.getViewRoot().getLocale();
        } else {
            return facesContext.getApplication().getViewHandler().calculateLocale(facesContext);
        }
    }
}