/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.hadoop.fs.azure;
import java.io.IOException;
import org.apache.hadoop.conf.Configuration;
/**
* Interface to implement authorization support in WASB.
* API's of this interface will be implemented in the
* StorageInterface Layer before making calls to Azure
* Storage.
*/
public interface WasbAuthorizerInterface {
/**
* Initializer method
* @param conf - Configuration object
* @throws WasbAuthorizationException - On authorization exceptions
* @throws IOException - When not able to reach the authorizer
*/
public void init(Configuration conf)
throws WasbAuthorizationException, IOException;
/**
* Authorizer API to authorize access in WASB.
* @param wasbAbolutePath : Absolute WASB Path used for access.
* @param accessType : Type of access
* @return : true - If access allowed false - If access is not allowed.
* @throws WasbAuthorizationException - On authorization exceptions
* @throws IOException - When not able to reach the authorizer
*/
boolean authorize(String wasbAbolutePath, String accessType)
throws WasbAuthorizationException, IOException;
}