69 lines
2.1 KiB
Java
69 lines
2.1 KiB
Java
/*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package nginx.unit.websocket;
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import java.util.Iterator;
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import java.util.ServiceLoader;
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/**
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* Utility method to return the appropriate authenticator according to
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* the scheme that the server uses.
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*/
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public class AuthenticatorFactory {
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/**
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* Return a new authenticator instance.
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* @param authScheme The scheme used
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* @return the authenticator
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*/
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public static Authenticator getAuthenticator(String authScheme) {
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Authenticator auth = null;
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switch (authScheme.toLowerCase()) {
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case BasicAuthenticator.schemeName:
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auth = new BasicAuthenticator();
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break;
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case DigestAuthenticator.schemeName:
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auth = new DigestAuthenticator();
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break;
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default:
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auth = loadAuthenticators(authScheme);
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break;
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}
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return auth;
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}
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private static Authenticator loadAuthenticators(String authScheme) {
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ServiceLoader<Authenticator> serviceLoader = ServiceLoader.load(Authenticator.class);
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Iterator<Authenticator> auths = serviceLoader.iterator();
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while (auths.hasNext()) {
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Authenticator auth = auths.next();
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if (auth.getSchemeName().equalsIgnoreCase(authScheme))
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return auth;
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}
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return null;
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}
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}
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