View Javadoc
1   package org.apache.maven.properties.internal;
2   
3   import java.util.Properties;
4   
5   /*
6    * Licensed to the Apache Software Foundation (ASF) under one
7    * or more contributor license agreements.  See the NOTICE file
8    * distributed with this work for additional information
9    * regarding copyright ownership.  The ASF licenses this file
10   * to you under the Apache License, Version 2.0 (the
11   * "License"); you may not use this file except in compliance
12   * with the License.  You may obtain a copy of the License at
13   *
14   *   http://www.apache.org/licenses/LICENSE-2.0
15   *
16   * Unless required by applicable law or agreed to in writing,
17   * software distributed under the License is distributed on an
18   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
19   * KIND, either express or implied.  See the License for the
20   * specific language governing permissions and limitations
21   * under the License.
22   */
23  
24  /**
25   * @since 3.2.3
26   */
27  public class SystemProperties
28  {
29      /**
30       * Thread-safe System.properties copy implementation.
31       * 
32       * @see http://jira.codehaus.org/browse/MNG-5670
33       */
34      public static void addSystemProperties( Properties props )
35      {
36          for ( String key : System.getProperties().stringPropertyNames() )
37          {
38              props.put( key, System.getProperty( key ) );
39          }
40      }
41  
42      /**
43       * Returns System.properties copy.
44       */
45      public static Properties getSystemProperties()
46      {
47          Properties systemProperties = new Properties();
48          addSystemProperties( systemProperties );
49          return systemProperties;
50      }
51  }