/**
    * Copyright (C) 2010-2012 Joerg Bellmann <joerg.bellmann@googlemail.com>
    *
    * Licensed under the Apache License, Version 2.0 (the "License");
    * you may not use this file except in compliance with the License.
    * You may obtain a copy of the License at
    *
    *         http://www.apache.org/licenses/LICENSE-2.0
    *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package com.googlecode.t7mp.steps;
  
  import java.util.Map;
  
  import com.googlecode.t7mp.PluginLog;
  
  public class SetSystemPropertiesStep implements Step {
  
      @Override
      public void execute(Context context) {
          final String catalinaBasPath = context.getConfiguration().getCatalinaBase().getAbsolutePath();
          final PluginLog log = context.getLog();
          System.setProperty("catalina.home", catalinaBasPath);
          log.debug("set systemproperty key: catalina.home to value " + catalinaBasPath);
          System.setProperty("catalina.base", catalinaBasPath);
          log.debug("set systemproperty key: catalina.base to value " + catalinaBasPath);
          Map<String, String> properties = context.getConfiguration().getSystemProperties();
          for (String key : properties.keySet()) {
              String value = replaceCatalinas(properties.get(key));
              System.setProperty(key, value);
              log.debug("set systemproperty key: " + key + " to value: " + System.getProperty(key));
          }
      }
  
      protected String replaceCatalinas(String value) {
          if (value.startsWith("${catalina.home}")) {
              value = value.replace("${catalina.home}", System.getProperty("catalina.home"));
          }
          if (value.startsWith("${catalina.base}")) {
              value = value.replace("${catalina.base}", System.getProperty("catalina.base"));
          }
          return value;
      }
  }