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1   package org.apache.maven.surefire.util.internal;
2   
3   /*
4    * Licensed to the Apache Software Foundation (ASF) under one
5    * or more contributor license agreements.  See the NOTICE file
6    * distributed with this work for additional information
7    * regarding copyright ownership.  The ASF licenses this file
8    * to you under the Apache License, Version 2.0 (the
9    * "License"); you may not use this file except in compliance
10   * with the License.  You may obtain a copy of the License at
11   *
12   *     http://www.apache.org/licenses/LICENSE-2.0
13   *
14   * Unless required by applicable law or agreed to in writing,
15   * software distributed under the License is distributed on an
16   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17   * KIND, either express or implied.  See the License for the
18   * specific language governing permissions and limitations
19   * under the License.
20   */
21  
22  import java.lang.management.ManagementFactory;
23  import java.util.Map;
24  
25  /**
26   * Similar to Java 7 java.util.Objects.
27   *
28   * @author <a href="mailto:tibordigana@apache.org">Tibor Digana (tibor17)</a>
29   * @since 2.20
30   */
31  public final class ObjectUtils
32  {
33      private ObjectUtils()
34      {
35          throw new IllegalStateException( "no instantiable constructor" );
36      }
37  
38      public static <T> T useNonNull( T target, T fallback )
39      {
40          return target == null ? fallback : target;
41      }
42  
43      public static Map<String, String> systemProps()
44      {
45          return ManagementFactory.getRuntimeMXBean().getSystemProperties();
46      }
47  }