DefaultWidgetRegistry.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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 ro.nextreports.server.web.dashboard;

import java.util.ArrayList;
import java.util.List;

/**
 * @author Decebal Suiu
 */
public class DefaultWidgetRegistry implements WidgetRegistry {

	private List<WidgetDescriptor> widgetDescriptors;
	
	public DefaultWidgetRegistry() {
		widgetDescriptors = new ArrayList<WidgetDescriptor>();
	}
	
	public List<WidgetDescriptor> getWidgetDescriptors() {
		return widgetDescriptors;
	}

	public void registerWidget(WidgetDescriptor widgetDescriptor) {
		if (widgetDescriptor != null) {
			widgetDescriptors.add(widgetDescriptor);
		}
	}

	public void setWidgetDescriptors(List<WidgetDescriptor> widgetDescriptors) {
		this.widgetDescriptors = widgetDescriptors;
	}
	
	public WidgetDescriptor getWidgetDescriptor(String widgetClassName) {
		for (WidgetDescriptor widgetDescriptor : widgetDescriptors) {
			if (widgetDescriptor.getWidgetClassName().equals(widgetClassName)) {
				return widgetDescriptor;
			}
		}
		
		throw new RuntimeException("Cannot find descriptor for widget '" + widgetClassName + "'");
	}

}