/*
* 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.convert.SequenceRowKeyConverter.SEPARATOR_SPLITTER;
import static org.richfaces.convert.TreeConverterUtil.escape;
import static org.richfaces.convert.TreeConverterUtil.unescape;
import static org.richfaces.model.TreeDataModel.SEPARATOR_CHAR;
import java.util.Iterator;
import java.util.List;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.convert.Converter;
import javax.faces.convert.ConverterException;
import org.richfaces.component.AbstractTree;
import org.richfaces.model.DeclarativeModelKey;
import org.richfaces.model.SequenceRowKey;
import com.google.common.base.Strings;
import com.google.common.collect.Lists;
/**
* @author Nick Belaevski
*
*/
public class DeclarativeModelSequenceKeyConverter implements Converter {
public static final String CONVERTER_ID = "org.richfaces.DeclarativeModelSequenceKeyConverter";
public Object getAsObject(FacesContext context, UIComponent component, String value) throws ConverterException {
if (Strings.isNullOrEmpty(value)) {
return null;
}
Iterator<String> split = SEPARATOR_SPLITTER.split(value).iterator();
AbstractTree tree = (AbstractTree) component;
List<DeclarativeModelKey> declarativeKeys = Lists.newArrayList();
while (split.hasNext()) {
String modelId = unescape(split.next());
String modelKeyAsString = unescape(split.next());
DeclarativeModelKey declarativeKey = tree.convertDeclarativeKeyFromString(context, modelId, modelKeyAsString);
declarativeKeys.add(declarativeKey);
}
return new SequenceRowKey((Object[]) declarativeKeys.toArray(new DeclarativeModelKey[declarativeKeys.size()]));
}
public String getAsString(FacesContext context, UIComponent component, Object value) {
if (value == null) {
return "";
}
SequenceRowKey sequenceRowKey = (SequenceRowKey) value;
Object[] declarativeKeys = sequenceRowKey.getSimpleKeys();
AbstractTree tree = (AbstractTree) component;
StringBuilder result = new StringBuilder();
for (Object declarativeKeyObject : declarativeKeys) {
DeclarativeModelKey declarativeKey = (DeclarativeModelKey) declarativeKeyObject;
String modelId = escape(declarativeKey.getModelId());
String modelKeyAsString = escape(tree.convertDeclarativeKeyToString(context, declarativeKey));
if (result.length() != 0) {
result.append(SEPARATOR_CHAR);
}
result.append(modelId);
result.append(SEPARATOR_CHAR);
result.append(modelKeyAsString);
}
return result.toString();
}
}