/*
* JBoss, Home of Professional Open Source
* Copyright 2010, Red Hat, Inc. and individual contributors
* 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.richfaces.convert;
import static org.richfaces.component.util.Strings.NamingContainerDataHolder.SEPARATOR_CHAR_JOINER;
import static org.richfaces.component.util.Strings.NamingContainerDataHolder.SEPARATOR_CHAR_SPLITTER;
import static org.richfaces.convert.TreeConverterUtil.escape;
import static org.richfaces.convert.TreeConverterUtil.unescape;
import java.util.Iterator;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.convert.Converter;
import javax.faces.convert.ConverterException;
import org.richfaces.model.DeclarativeModelKey;
import com.google.common.base.Strings;
/**
* @author Nick Belaevski
*
*/
public class DeclarativeModelKeyConverter implements Converter {
private Converter delegateConverter;
public DeclarativeModelKeyConverter(Converter delegateConverter) {
super();
this.delegateConverter = delegateConverter;
}
public Object getAsObject(FacesContext context, UIComponent component, String value) {
if (Strings.isNullOrEmpty(value)) {
return null;
}
String s = unescape(value);
Iterator<String> split = SEPARATOR_CHAR_SPLITTER.split(s).iterator();
String modelId = (String) split.next();
Object modelKey = delegateConverter.getAsObject(context, component, split.next());
if (split.hasNext()) {
throw new ConverterException(value);
}
return new DeclarativeModelKey(modelId, modelKey);
}
public String getAsString(FacesContext context, UIComponent component, Object value) {
if (value == null) {
return "";
}
DeclarativeModelKey declarativeModelKey = (DeclarativeModelKey) value;
String convertedModelKey = delegateConverter.getAsString(context, component, declarativeModelKey.getModelKey());
String keyString = SEPARATOR_CHAR_JOINER.join(declarativeModelKey.getModelId(), convertedModelKey);
return escape(keyString);
}
}