Returns true if the JSF application is starting up or shutting down. - Java JSF

Java examples for JSF:FacesContext

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Description

Returns true if the JSF application is starting up or shutting down.

Demo Code

/**//ww  w. j a  v  a  2 s .  c  om
 * Copyright (c) 2000-2016 Liferay, Inc. All rights reserved.
 *
 * 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.
 */
import javax.faces.context.ExternalContext;
import javax.faces.context.FacesContext;

public class Main{
    /**
     * Returns true if the JSF application is starting up or shutting down.
     */
    public static boolean isStartupOrShutdown(FacesContext facesContext) {

        Object request = null;

        try {

            if (facesContext != null) {

                ExternalContext externalContext = facesContext
                        .getExternalContext();

                if (externalContext != null) {
                    request = externalContext.getRequest();
                }
            }
        } catch (UnsupportedOperationException e) {
            // do nothing
        }

        return (request == null);
    }
}

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