/**
 * Copyright (C) 2009 eXo Platform SAS.
 * 
 * This 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 software 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 software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */

package org.exoplatform.services.token.attribute;

import org.exoplatform.services.token.Node;

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

/**
 *  Author : Nhu Dinh Thuan
 *          Email:nhudinhthuan@yahoo.com
 * Aug 6, 2006
 */
@SuppressWarnings("serial")
public class Attributes extends ArrayList<Attribute>
{

   private Node<?> node;

   public Attributes(Node<?> n)
   {
      this.node = n;
   }

   public Attribute get(String name)
   {
      int i = indexOf(name);
      if (i < 0)
         return null;
      return get(i);
   }

   public String getAttributeValue(String name)
   {
      int i = indexOf(name);
      if (i < 0)
         return null;
      return get(i).getValue();
   }

   public void set(List<Attribute> list)
   {
      for (Attribute ele : list)
      {
         int i = indexOf(ele);
         if (i < 0)
            add(ele);
         else
            get(i).setValue(ele.getValue());
      }
      node.setValue(toString().toCharArray());
   }

   public void set(Attribute attr)
   {
      int i = indexOf(attr);
      if (i < 0)
         add(attr);
      else
         get(i).setValue(attr.getValue());
      node.setValue(toString().toCharArray());
   }

   public void remove(String name)
   {
      int i = indexOf(name);
      if (i < 0)
         return;
      remove(i);
      node.setValue(toString().toCharArray());
   }

   public void removeAll()
   {
      clear();
      node.setValue(toString().toCharArray());
   }

   public int indexOf(Object elem)
   {
      if (elem instanceof Attribute)
      {
         return super.indexOf(elem);
      }
      if (elem == null)
         return -1;
      for (int i = 0; i < size(); i++)
      {
         if (get(i).equals(elem))
            return i;
      }
      return -1;
   }

   public String toString()
   {
      StringBuilder builder = new StringBuilder();
      builder.append(node.getName().toString());
      if (size() > 0)
         builder.append(' ');
      for (Attribute ele : this)
      {
         builder.append(ele.getName()).append('=');
         builder.append('"').append(ele.getValue()).append('"');
         builder.append(' ');
      }
      return builder.toString();
   }

}

