GenericListItemConverter.java

/*
 * Copyright (C) 2009-2011 Open Wide
 * Contact: contact@openwide.fr
 * 
 * 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.
 */

package fr.openwide.core.wicket.more.markup.html.basic;

import java.util.Locale;

import org.apache.wicket.util.convert.converter.AbstractConverter;
import org.bindgen.Binding;

import fr.openwide.core.jpa.more.business.generic.model.GenericListItem;
import fr.openwide.core.spring.util.SpringBeanUtils;

class GenericListItemConverter extends AbstractConverter<GenericListItem<?>> {

	private static final long serialVersionUID = -6934415690685574154L;
	
	private Binding<String> binding;

	public GenericListItemConverter(Binding<String> binding) {
		this.binding = binding;
	}

	@Override
	public GenericListItem<?> convertToObject(String value, Locale locale) {
		throw new IllegalAccessError();
	}

	@Override
	public String convertToString(GenericListItem<?> value, Locale locale) {
		if (value == null) {
			return "";
		} else {
			Object propertyValue = SpringBeanUtils.getBeanWrapper(value).getPropertyValue(binding.getPath());
			if (propertyValue == null) {
				return "";
			} else {
				return propertyValue.toString();
			}
		}
	}

	@SuppressWarnings("unchecked")
	@Override
	protected Class<GenericListItem<?>> getTargetType() {
		return (Class<GenericListItem<?>>) (Object) GenericListItem.class;
	}

}