/******************************************************************************
* JBoss, a division of Red Hat *
* Copyright 2009, Red Hat Middleware, LLC, and individual *
* contributors as indicated by the @authors tag. See the *
* copyright.txt in the distribution for a full listing of *
* individual contributors. *
* *
* 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.gatein.common.i18n;
import org.gatein.common.io.UndeclaredIOException;
import org.gatein.common.util.ConversionException;
import org.gatein.common.util.NullConversionException;
import org.gatein.common.text.CharBuffer;
import org.gatein.common.text.CharWriter;
import java.io.IOException;
import java.util.Locale;
/**
* @author <a href="mailto:julien@jboss.org">Julien Viet</a>
* @version $Revision: 7228 $
*/
public abstract class AbstractLocaleFormat implements LocaleFormat
{
public Locale getLocale(String value) throws ConversionException
{
if (value == null)
{
throw new NullConversionException("No null locale value accepted");
}
return internalGetLocale(value);
}
public String toString(Locale locale) throws ConversionException
{
if (locale == null)
{
throw new NullConversionException("No null locale accepted");
}
return internalToString(locale);
}
public void write(Locale locale, CharWriter writer) throws IOException, ConversionException
{
if (locale == null)
{
throw new NullConversionException("No null locale accepted");
}
if (writer == null)
{
throw new IllegalArgumentException("No null writer accepted");
}
internalWrite(locale, writer);
}
protected abstract Locale internalGetLocale(String value) throws ConversionException;
protected String internalToString(Locale locale) throws ConversionException
{
try
{
CharBuffer buffer = new CharBuffer();
internalWrite(locale, buffer);
return buffer.asString();
}
catch (IOException e)
{
throw new UndeclaredIOException(e);
}
}
protected abstract void internalWrite(Locale locale, CharWriter writer) throws IOException, ConversionException;
}