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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    *
9    *      http://www.apache.org/licenses/LICENSE-2.0
10   *
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  
18  package org.apache.commons.net.ftp;
19  
20  import java.time.Duration;
21  
22  /** Temporary until Commons Lang 3.12.0. */
23  class DurationUtils {
24  
25      /**
26       * Tests whether the given Duration is positive (>0).
27       *
28       * @param duration the value to test
29       * @return whether the given Duration is positive (>0).
30       */
31      static boolean isPositive(final Duration duration) {
32          return duration != null && !duration.isNegative() && !duration.isZero();
33      }
34  
35      static int toMillisInt(final Duration duration) {
36          final long millis = duration.toMillis();
37          return millis > 0 ? (int) Math.min(millis, Integer.MAX_VALUE) : (int) Math.max(millis, Integer.MIN_VALUE);
38      }
39  
40      static Duration zeroIfNull(final Duration controlIdle) {
41          return controlIdle == null ? Duration.ZERO : controlIdle;
42      }
43  }