CollectorFactory.java

/**
 * Copyright 2014 SAP AG
 *
 * 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 org.aim.api.measurement.collector;

import java.util.Properties;

/**
 * This factory creates collectors and readers according to the specified
 * collector type.
 * 
 * @author Alexander Wert
 * 
 */
public final class CollectorFactory {

	/**
	 * Private constructor for utility class.
	 */
	private CollectorFactory() {

	}

	/**
	 * Creates a {@link IDataCollector} object for the passed collector type. If
	 * passed collector type is unknown an {@link IllegalArgumentException} is
	 * thrown.
	 * 
	 * @param collectorType
	 *            type of the collector to be created
	 * @param properties
	 *            properties specifying the configuration of the created
	 *            collector.
	 * @return a new instance of a collector
	 */
	public static AbstractDataSource createDataSource(String collectorType, Properties properties) {
		if (properties == null) {
			properties = new Properties();
		}

		AbstractDataSource dataSource = null;
		try {
			dataSource = (AbstractDataSource) Class.forName(collectorType).newInstance();
			dataSource.initialize(properties);
		} catch (Exception e) {
			return null;
		}
		return dataSource;

	}

}