defaultenvironmentlist.java

Java 3D Desktop Environment旨在使用Java 3D来创建一个3D桌面环境。功能包括：分布式的应用程序

package org.j3de.server;           

import java.util.Iterator;
import java.util.Hashtable;
import java.util.Map;

import org.w3c.dom.Node; 
import org.w3c.dom.Document;
import org.w3c.dom.Element;

import org.j3de.interfaces.LocalEnvironment;
import org.j3de.util.ConfigHelper;    
import org.j3de.util.ConfigurationException;
import org.j3de.util.AbstractComponent;

public class DefaultEnvironmentList extends AbstractComponent implements EnvironmentList {
  private static final String MAP_NAME = "EnvironmentList";   
  
  private Map environments;
  
  public DefaultEnvironmentList() {
    environments = new Hashtable();
  }   
  
  public LocalEnvironment getEnvironment(String name) {
    return ((EnvironmentWrapper)environments.get(name)).getLocalEnvironment();
  }

  public EnvironmentWrapper getEnvironmentWrapper(String name) {
    return ((EnvironmentWrapper)environments.get(name));
  }
   
  public void configure(Node node, Document nodeFactory) throws ConfigurationException  { 
    super.configure(node, nodeFactory);
    environments = helper.getComponentMap(MAP_NAME);      
  }       
  
  public Iterator getEnvironmentNames() {
    return environments.keySet().iterator();
  }
  
}