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/*
 * Copyright © 2012-2014 Cask Data, Inc.
 *
 * Licensed 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 co.cask.common.cli.completers;

import com.google.common.base.Supplier;
import com.google.common.base.Suppliers;
import com.google.common.collect.ImmutableSet;

import java.util.Collection;
import java.util.Set;

/**
 * Simple implementation for {@link StringsCompleter} that uses an immutable set.
 */
public class DefaultStringsCompleter extends StringsCompleter {

  private final Set strings;

  public DefaultStringsCompleter(Iterable strings) {
    this.strings = ImmutableSet.copyOf(strings);
  }

  @Override
  protected Supplier> getStringsSupplier() {
    return Suppliers.>ofInstance(strings);
  }
}