/*
 * 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.hbase.security.visibility;

import java.io.IOException;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.hbase.coprocessor.CoprocessorHost;
import org.apache.hadoop.hbase.security.User;

/**
 * Utility methods for testing visibility labels.
 */
public class VisibilityTestUtil {

  public static void enableVisiblityLabels(Configuration conf) throws IOException {
    conf.setInt("hfile.format.version", 3);
    conf.setBoolean(User.HBASE_SECURITY_AUTHORIZATION_CONF_KEY, true);
    appendCoprocessor(conf, CoprocessorHost.MASTER_COPROCESSOR_CONF_KEY,
      VisibilityController.class.getName());
    appendCoprocessor(conf, CoprocessorHost.REGION_COPROCESSOR_CONF_KEY,
      VisibilityController.class.getName());
  }

  private static void appendCoprocessor(Configuration conf, String property, String value) {
    if (conf.get(property) == null) {
      conf.set(property, VisibilityController.class.getName());
    } else {
      conf.set(property, conf.get(property) + "," + VisibilityController.class.getName());
    }
  }

}
