org.apache.blur.store.MessingWithPermissions.java Source code

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Here is the source code for org.apache.blur.store.MessingWithPermissions.java

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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
 * limitations under the License.
 */
package org.apache.blur.store;

import java.io.IOException;
import java.security.PrivilegedExceptionAction;

import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FileStatus;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.security.UserGroupInformation;

public class MessingWithPermissions {

    public static void main(String[] args) throws IOException, InterruptedException {
        UserGroupInformation blur = UserGroupInformation.createRemoteUser("blur");
        final Path path = new Path("/permission_test/tables");
        final Configuration configuration = new Configuration();
        blur.doAs(new PrivilegedExceptionAction<Void>() {
            @Override
            public Void run() throws Exception {
                FileSystem fileSystem = path.getFileSystem(configuration);
                FileStatus[] listStatus = fileSystem.listStatus(path);
                for (FileStatus status : listStatus) {
                    System.out.println(status.getPath());
                }
                return null;
            }
        });
    }

}