Main.java Source code

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Here is the source code for Main.java

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//package com.java2s;
/**
 * Copyright (c) 2015, 2016 IBM Corporation. All rights reserved.
 * <p/>
 * 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
 * <p/>
 * http://www.apache.org/licenses/LICENSE-2.0
 * <p/>
 * 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 java.net.HttpURLConnection;

import java.util.List;

import java.util.Map;

public class Main {
    /**
     * Name of the header sent by the server in a response to indicate a basic authentication challenge.
     */
    final static String AUTHENTICATION_CHALLENGE_HEADER = "WWW-Authenticate";

    /**
     * Determine whether the response contains a basic authentication challenge.
     * @param connection the connection from which the response is extracted.
     * @return <code>true</code> if the response contains an authentication challenge, <code>false</code> otherwise.
     */
    static boolean hasAuthenticationChallenge(HttpURLConnection connection) {
        Map<String, List<String>> headers = connection.getHeaderFields();
        return headers.get(AUTHENTICATION_CHALLENGE_HEADER) != null;
    }
}