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 * to you under the Apache License, Version 2.0 (the
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package org.apache.http.impl.client;

import java.util.Collection;

import org.apache.http.HttpStatus;
import org.apache.http.annotation.Contract;
import org.apache.http.annotation.ThreadingBehavior;
import org.apache.http.auth.AUTH;
import org.apache.http.client.config.RequestConfig;

Default AuthenticationStrategy implementation for proxy host authentication.
Since:4.2
/** * Default {@link org.apache.http.client.AuthenticationStrategy} implementation * for proxy host authentication. * * @since 4.2 */
@Contract(threading = ThreadingBehavior.IMMUTABLE) public class ProxyAuthenticationStrategy extends AuthenticationStrategyImpl { public static final ProxyAuthenticationStrategy INSTANCE = new ProxyAuthenticationStrategy(); public ProxyAuthenticationStrategy() { super(HttpStatus.SC_PROXY_AUTHENTICATION_REQUIRED, AUTH.PROXY_AUTH); } @Override Collection<String> getPreferredAuthSchemes(final RequestConfig config) { return config.getProxyPreferredAuthSchemes(); } }