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import java.net.MalformedURLException;
import java.net.URL;
import java.util.Locale;

import wicket.util.convert.ConversionException;
import wicket.util.convert.IConverter;

/**
 * Converts from and to URLs.
 *
 * @author Eelco Hillenius
 */
public class URLConverter implements IConverter
{
	/**
	 * Construct.
	 */
	public URLConverter()
	{
	}

	/**
	 * @see wicket.util.convert.IConverter#convertIConverter#convertToObject(java.lang.Object, java.lang.Class)
	 */
	public Object convertconvertToObject(Object value, Class c)
	{
		if (value == null)
		{
			return null;
		}

		if (c == URL.class)
		{
			if (value.getClass() == URL.class)
			{
				return value;
			}

			try
			{
				return new URL(value.toString());
			}
			catch (MalformedURLException e)
			{
				throw new ConversionException("'" + value + "' is not a valid URL");
			}
		}
		return value.toString();
	}

	/**
	 * @see wicket.util.convert.ILocalizable#setLocale(java.util.Locale)
	 */
	public void setLocale(Locale locale)
	{
	}

	/**
	 * @see wicket.util.convert.ILocalizable#getLocale()
	 */
	public Locale getLocale()
	{
		return Locale.getDefault();
	}
}