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Testing Knot.x with JUnit 5

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/*
 * Copyright (C) 2018 Knot.x Project
 *
 * 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 io.knotx.junit5.util;

import java.util.HashMap;
import java.util.stream.Stream;

public final class StreamUtil {

  /** Util class */
  private StreamUtil() {}

  public static  boolean anyKeyStartsWith(HashMap map, String startsWith) {
    return map.keySet().stream().anyMatch(s -> s.startsWith(startsWith));
  }

  public static  Stream concatValues(HashMap first, HashMap second) {
    return Stream.concat(first.values().stream(), second.values().stream());
  }
}