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/***********************************************************************************************************************
 *
 * OpenBlueSky - NetBeans Platform Enhancements
 * Copyright (C) 2006-2011 by Tidalwave s.a.s. (http://www.tidalwave.it)
 *
 ***********************************************************************************************************************
 *
 * 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.
 *
 ***********************************************************************************************************************
 *
 * WWW: http://openbluesky.kenai.com
 * SCM: https://kenai.com/hg/openbluesky~src
 *
 **********************************************************************************************************************/
package it.tidalwave.swing;

import javax.annotation.CheckForNull;
import java.lang.reflect.Method;
import org.openide.util.Lookup;
import it.tidalwave.util.As;
import it.tidalwave.util.AsException;
import it.tidalwave.role.Displayable;

/***********************************************************************************************************************
 *
 * @author  Fabrizio Giudici
 * @version $Id$
 *
 **********************************************************************************************************************/
public final class DisplayNameListCellRenderer extends SimpleListCellRenderer
  {
    @CheckForNull
    private final Method getDisplayNameMethod;
    
    public DisplayNameListCellRenderer (final Class clazz) 
      {
        Method method = null;

        try 
          {
            method = clazz.getMethod("getDisplayName");
          } 
        catch (NoSuchMethodException e) 
          {
          } 
        catch (SecurityException e) 
          {
          }

        getDisplayNameMethod = method;
      }

    @Override @edu.umd.cs.findbugs.annotations.SuppressWarnings("REC_CATCH_EXCEPTION")
    protected String getDisplayName (final T object) 
      {
        if (getDisplayNameMethod != null)
          {
            try
              {
                return (String)getDisplayNameMethod.invoke(object);
              }
            catch (Exception e)
              {
                return "??? - " + object;
              }
          }
        else if (object instanceof Lookup.Provider)
          {
            try
              {
                return ((Lookup.Provider)object).getLookup().lookup(Displayable.class).getDisplayName();
              }
            catch (AsException e)
              {
              }
          }
        else if (object instanceof As)
          {
            try
              {
                return ((As)object).as(Displayable.class).getDisplayName();
              }
            catch (AsException e)
              {
              }
          }

        return "??? - " + object;
      }
  }