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com.hfg xml, html, svg, and bioinformatics utility library
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package com.hfg.setting;

import com.hfg.xml.XMLTag;

import java.util.ArrayList;
import java.util.Collection;
import java.util.List;

//------------------------------------------------------------------------------
/**
 * Base class for XML-serializable list settings.
 *
 * @author J. Alex Taylor, hairyfatguy.com
 */
//------------------------------------------------------------------------------
// com.hfg XML/HTML Coding Library
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
//
// J. Alex Taylor, President, Founder, CEO, COO, CFO, OOPS hairyfatguy.com
// [email protected]
//------------------------------------------------------------------------------

public abstract class ListSettingImpl extends SettingImpl
{
   //---------------------------------------------------------------------------
   public ListSettingImpl(String inName)
   {
      super(inName);
   }

   //---------------------------------------------------------------------------
   public ListSettingImpl(String inName, Object inValue)
   {
      this(inName);
      if (inValue != null)
      {
         if (! (inValue instanceof Collection))
         {
            throw new RuntimeException("The specified value (" + inValue.getClass().getSimpleName() + ") must be a Collection!");
         }

         List listValue;
         if (! (inValue instanceof List))
         {
            listValue = new ArrayList((Collection) inValue);
         }
         else
         {
            listValue = (List) inValue;
         }

         setObjectValue(listValue);
      }
   }

   //---------------------------------------------------------------------------
   public ListSettingImpl(XMLTag inXMLTag)
   {
      super(inXMLTag);

      List valueSubtags = inXMLTag.getSubtagsByName(SettingXML.VALUE);
      if (valueSubtags != null)
      {
         for (XMLTag subtag : valueSubtags)
         {
            addValueFromString(subtag.getUnescapedContent());
         }
      }
   }

   //---------------------------------------------------------------------------
   protected abstract void addValueFromString(String inValue);

   //---------------------------------------------------------------------------
   protected void setValueFromString(String inValue)
   {
      setObjectValue(inValue);
   }

}