HDFS-16035. Remove DummyGroupMapping as it is not longer used anywhere. (#4183)

Signed-off-by: Akira Ajisaka <aajisaka@apache.org>
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Ashutosh Gupta 2022-04-19 06:35:23 +01:00 committed by GitHub
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commit ec0ff1dc04
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/**
* 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
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*/
package org.apache.hadoop.lib.service.security;
import java.io.IOException;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import java.util.Set;
import org.apache.hadoop.security.GroupMappingServiceProvider;
import org.apache.hadoop.test.HadoopUsersConfTestHelper;
import org.apache.hadoop.util.Sets;
public class DummyGroupMapping implements GroupMappingServiceProvider {
@Override
public List<String> getGroups(String user) throws IOException {
if (user.equals("root")) {
return Arrays.asList("admin");
}
else if (user.equals("nobody")) {
return Arrays.asList("nobody");
} else {
String[] groups = HadoopUsersConfTestHelper.getHadoopUserGroups(user);
return (groups != null) ? Arrays.asList(groups) : Collections.emptyList();
}
}
@Override
public void cacheGroupsRefresh() throws IOException {
}
@Override
public void cacheGroupsAdd(List<String> groups) throws IOException {
}
@Override
public Set<String> getGroupsSet(String user) throws IOException {
if (user.equals("root")) {
return Sets.newHashSet("admin");
} else if (user.equals("nobody")) {
return Sets.newHashSet("nobody");
} else {
String[] groups = HadoopUsersConfTestHelper.getHadoopUserGroups(user);
return (groups != null) ? Sets.newHashSet(groups) :
Collections.emptySet();
}
}
}