package org.codehaus.plexus.container.initialization;
   
   /*
    * Copyright 2001-2006 Codehaus Foundation.
    *
    * 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.
   */
  
  import org.codehaus.plexus.configuration.PlexusConfiguration;
  
  /**
   * @author Jason van Zyl
   */
  public class InitializeSystemPropertiesPhase extends AbstractContainerInitializationPhase {
      public void execute(ContainerInitializationContext context) throws ContainerInitializationException {
          PlexusConfiguration[] systemProperties = context.getContainerXmlConfiguration()
                  .getChild("system-properties")
                  .getChildren("property");
  
          for (PlexusConfiguration systemProperty : systemProperties) {
              String name = systemProperty.getAttribute("name", null);
  
              String value = systemProperty.getAttribute("value", null);
  
              if (name == null) {
                  throw new ContainerInitializationException("Missing 'name' attribute in 'property' tag. ");
              }
  
              if (value == null) {
                  throw new ContainerInitializationException("Missing 'value' attribute in 'property' tag. ");
              }
  
              System.getProperties().setProperty(name, value);
          }
      }
  }