package org.lcsim.detector.material;
   
   import java.util.ArrayList;
   
   public class MaterialStore
   extends ArrayList<IMaterial>
   implements IMaterialStore 
   {
   	private static MaterialStore materialStore = null;
  	public static final IMaterialStore getInstance()
  	{
  		if ( materialStore == null )
  		{
  			materialStore = new MaterialStore();
  		}
  		return materialStore;
  	}
  	
  	public IMaterial get(String name)
  	{
  		for (IMaterial material : this)
  		{
  			if (material.getName().equals(name))
  			{
  				return material;
  			}
  		}
  		return null;
  	}
      
      public String toString()
      {
          StringBuffer buff = new StringBuffer();
          for (IMaterial material : this)
          {
              buff.append(material.toString());
              buff.append('\n');
          }
          return buff.toString();
      }    
  }