001package org.apache.maven.properties.internal; 002 003/* 004 * Licensed to the Apache Software Foundation (ASF) under one 005 * or more contributor license agreements. See the NOTICE file 006 * distributed with this work for additional information 007 * regarding copyright ownership. The ASF licenses this file 008 * to you under the Apache License, Version 2.0 (the 009 * "License"); you may not use this file except in compliance 010 * with the License. You may obtain a copy of the License at 011 * 012 * http://www.apache.org/licenses/LICENSE-2.0 013 * 014 * Unless required by applicable law or agreed to in writing, 015 * software distributed under the License is distributed on an 016 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 017 * KIND, either express or implied. See the License for the 018 * specific language governing permissions and limitations 019 * under the License. 020 */ 021 022import java.util.Properties; 023 024/** 025 * @since 3.2.3 026 */ 027public class SystemProperties 028{ 029 /** 030 * Thread-safe System.properties copy implementation. 031 * 032 * @see http://jira.codehaus.org/browse/MNG-5670 033 */ 034 public static void addSystemProperties( Properties props ) 035 { 036 for ( String key : System.getProperties().stringPropertyNames() ) 037 { 038 props.put( key, System.getProperty( key ) ); 039 } 040 } 041 042 /** 043 * Returns System.properties copy. 044 */ 045 public static Properties getSystemProperties() 046 { 047 Properties systemProperties = new Properties(); 048 addSystemProperties( systemProperties ); 049 return systemProperties; 050 } 051}