Lang3Substitutor.java

  1. /*
  2.  * Licensed to the Apache Software Foundation (ASF) under one
  3.  * or more contributor license agreements.  See the NOTICE file
  4.  * distributed with this work for additional information
  5.  * regarding copyright ownership.  The ASF licenses this file
  6.  * to you under the Apache License, Version 2.0 (the
  7.  * "License"); you may not use this file except in compliance
  8.  * with the License.  You may obtain a copy of the License at
  9.  *
  10.  *   http://www.apache.org/licenses/LICENSE-2.0
  11.  *
  12.  * Unless required by applicable law or agreed to in writing,
  13.  * software distributed under the License is distributed on an
  14.  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
  15.  * KIND, either express or implied.  See the License for the
  16.  * specific language governing permissions and limitations
  17.  * under the License.
  18.  */

  19. package org.apache.commons.jcs3.jcache.lang;

  20. import java.util.HashMap;
  21. import java.util.Map;

  22. import org.apache.commons.text.StringSubstitutor;

  23. public class Lang3Substitutor implements Subsitutor
  24. {
  25.     private static final StringSubstitutor SUBSTITUTOR = new StringSubstitutor(new HashMap<String, Object>()
  26.     {
  27.         /** Serial version id */
  28.         private static final long serialVersionUID = 6568870218326105688L;

  29.         {
  30.             putAll(Map.class.cast(System.getProperties()));
  31.             putAll(System.getenv());
  32.         }
  33.     });

  34.     @Override
  35.     public String substitute(final String value)
  36.     {
  37.         return SUBSTITUTOR.replace(value);
  38.     }
  39. }