hadoop Authenticator 源码
haddop Authenticator 代码
文件路径：/hadoop-common-project/hadoop-auth/src/main/java/org/apache/hadoop/security/authentication/client/Authenticator.java
/**
* 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. See accompanying LICENSE file.
*/
package org.apache.hadoop.security.authentication.client;
import java.io.IOException;
import java.net.URL;
/**
* Interface for client authentication mechanisms.
* <p>
* Implementations are use-once instances, they don't need to be thread safe.
*/
public interface Authenticator {
/**
* Sets a {@link ConnectionConfigurator} instance to use for
* configuring connections.
*
* @param configurator the {@link ConnectionConfigurator} instance.
*/
public void setConnectionConfigurator(ConnectionConfigurator configurator);
/**
* Authenticates against a URL and returns a {@link AuthenticatedURL.Token} to be
* used by subsequent requests.
*
* @param url the URl to authenticate against.
* @param token the authentication token being used for the user.
*
* @throws IOException if an IO error occurred.
* @throws AuthenticationException if an authentication error occurred.
*/
public void authenticate(URL url, AuthenticatedURL.Token token) throws IOException, AuthenticationException;
}
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