/*
 * 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
 *
 *   https://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.accumulo.test.functional;

import static java.nio.charset.StandardCharsets.UTF_8;

import java.io.IOException;
import java.util.Map;

import org.apache.accumulo.core.data.Key;
import org.apache.accumulo.core.data.Value;
import org.apache.accumulo.core.iterators.IteratorEnvironment;
import org.apache.accumulo.core.iterators.SortedKeyValueIterator;
import org.apache.accumulo.core.iterators.WrappingIterator;
import org.apache.accumulo.core.security.Authorizations;
import org.apache.hadoop.io.Text;

public class AuthsIterator extends WrappingIterator {

  public static final Authorizations AUTHS = new Authorizations("A,B".getBytes(UTF_8));
  public static final String SUCCESS = "SUCCESS";
  public static final String FAIL = "FAIL";

  private IteratorEnvironment env;

  @Override
  public void init(SortedKeyValueIterator<Key,Value> source, Map<String,String> options,
      IteratorEnvironment env) throws IOException {
    super.init(source, options, env);
    this.env = env;
  }

  @Override
  public Key getTopKey() {
    if (env.getAuthorizations().equals(AUTHS)) {
      return new Key(new Text(SUCCESS));
    } else {
      return new Key(new Text(FAIL));
    }
  }
}
