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/*
 * Copyright 2013 OmniFaces.
 *
 * 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.omnifaces.security.jaspic;

import static org.omnifaces.util.Utils.coalesce;

import java.io.IOException;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * An assortment of various utility methods.
 * 
 * @author Arjan Tijms
 *
 */
public final class Utils {
    
    private Utils() {}
	
	public static boolean notNull(Object... objects) {
		return coalesce(objects) != null;
	}
	
	public static String getBaseURL(HttpServletRequest request) {
		String url = request.getRequestURL().toString();
		return url.substring(0, url.length() - request.getRequestURI().length()) + request.getContextPath();
	}
	
	public static void redirect(HttpServletResponse response, String location) {
		try {
			response.sendRedirect(location);
		} catch (IOException e) {
			throw new IllegalStateException(e);
		}
	}

}