co.cask.common.cli.completers.DefaultStringsCompleter.java Source code

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Here is the source code for co.cask.common.cli.completers.DefaultStringsCompleter.java

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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<String> strings;

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

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