DataFormComponentBuilder.java

/**
 * 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 wicket.contrib.groovy.builder.impl.databinder;

import java.io.Serializable;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;

import wicket.Component;
import wicket.contrib.groovy.builder.BaseComponentBuilder;
import wicket.contrib.groovy.builder.WicketComponentBuilderException;
import wicket.contrib.groovy.builder.util.AttributeUtils;
import wicket.contrib.groovy.builder.util.ListConstructors;

/**
 * 
 * @author Kevin Galligan
 *
 */
public class DataFormComponentBuilder extends BaseComponentBuilder
{

	public DataFormComponentBuilder(Class componentClass)
	{
		super(componentClass);
	}

	public List getConstructorParameters(String key, Map attributes)
	{
		Object modelClass = attributes.remove("class");
		
		if(modelClass == null)
			modelClass = attributes.remove("modelClass");
		
		if(modelClass == null)
			throw new WicketComponentBuilderException("Model class param required (either 'class' or 'modelClass')");
		
		Serializable persistentObjectId = (Serializable) attributes.remove("id");
		
		try
		{
			List retList = ListConstructors.newList(key, AttributeUtils.classValue(modelClass));
			if(persistentObjectId != null)
				retList.add(persistentObjectId);
			
			return retList;
		}
		catch (ClassNotFoundException e)
		{
			throw new WicketComponentBuilderException("Can't create construction params", e);
		}
	}

	public Component create(String key, Map attributes) throws Exception
	{
		Component component = createComponentInstace(key, attributes);
		setOtherProperties(component, attributes);
		
		return component;
	}

}